A fluid receiving container and a fluid injector

专利摘要:
Summary “liquid storage container and liquid jet apparatus” A conventional liquid storage container presents a problem where it is difficult to reduce the possibility of liquid leakage occurring. a liquid storage container includes a storage section 181 configured to store a liquid, a liquid injection section connected to the storage section 181 and configured to inject the liquid into the storage section 181, a second tube 186 communicated with air, an air introduction section communicated with the second air chamber 186 and configured to introduce air into the second air chamber 186, a second communication passage 187 which communicates with the storage section 181 and the second air chamber 186 together, and a connecting port 107 between the storage section 181 and the second communication passage 187 situated above an opening 128 in a position where opening 128 is oriented upwards in a direction that intersects with one direction. horizontal when aperture 128 is defined as an intersection at which inkjet section 101 and storage section 181 intersect. They talk to each other.
公开号:BR112015026607A2
申请号:R112015026607
申请日:2014-10-22
公开日:2020-03-10
发明作者:Mano Takashi；Koike Yasunori
申请人:Seiko Epson Corp；
IPC主号:

专利说明:

“LIQUID STORAGE CONTAINER AND LIQUID JET APPLIANCE”
FIELD OF TECHNIQUE [001] The present invention relates to a liquid storage container and a liquid jet apparatus, among others.
PREVIOUS TECHNIQUE [002] Inkjet printers have been conventionally used as an example of a liquid jet apparatus. In an inkjet printer, printing on a media, such as printing paper, can be accomplished by discharging an ink, which is an example of a liquid, from an ejection head onto the media . In such an inkjet printer, there is a conventionally known configuration in which ink was collected in a tank, which is an example of a liquid storage container, is supplied to the ejection head. An ink injection port is provided for this tank. A user can refill the tank with ink from the ink injection port. In such a tank, there is a conventionally known configuration in which a liquid storage chamber in which the ink is stored and an air storage chamber in which the air is introduced are in communication with each other through a communication section ( see document No. ² JP-A-2012-20495 (patent document 1), for example).
CITATION LIST
PATENT LITERATURE
PTL1: JP 2012-20495A
SUMMARY
TECHNICAL PROBLEM [003] In the tank described in patent document 1 above, even when, for example, the ink that is inside the liquid storage chamber flows
2/62 out of the air storage chamber side through the communication section, the ink that flowed out from the storage chamber side can still be collected in the air storage chamber. This tank therefore makes it easier to reduce the leakage of the ink that is inside the liquid storage chamber out of the tank through the air release port. However, with the tank described above, in an injection position where the ink is injected into the liquid injection port, the side opening of the liquid storage chamber of the communication section is located below the liquid injection port and therefore, the ink within the liquid storage section readily flows into the communication section. Then, when an external force, such as vibration, acts in a state where the ink has flowed into the communication section, the ink within the communication section becomes more likely to flow into the air storage chamber. When ink is more likely to flow into the air storage chamber, then there is an increased possibility that the ink may leak out of the tank from the air release port. In this way, a conventional liquid storage container presents a problem in which it is difficult to reduce the possibility that liquid leakage will occur.
SOLUTION TO THE PROBLEM [004] The present invention was made in order to solve the problem described above at least in part, and can be carried out in the form of the following modes or application examples.
[005] [APPLICATION EXAMPLE 1] A liquid storage container is characterized by comprising a liquid storage section configured to store a liquid, a liquid injection section configured to inject the liquid into the liquid storage section, a air chamber air chamber communicated with air, an air introduction section
3/62 communicated with the air chamber and configured to introduce air into the air chamber, a communication passage that communicates with the liquid storage section and the air chamber together, and a connection port between the section liquid storage port and the communication passage located above a liquid injection port in a position where the liquid injection port is oriented upwards in a direction that intersects with a horizontal direction when the liquid injection port is defined as an intersection at which the liquid injection section and the liquid storage section intersect.
[006] In the liquid storage container of this application example, the connection port between the liquid storage section and the communication passage is located above the liquid injection port and therefore the liquid within the storage section of liquid is less likely to reach the connection port. For this reason, the possibility that the liquid within the liquid storage section may flow in the communication passage is reduced. As a result, the possibility that the liquid within the liquid storage section may reach the air chamber is reduced and therefore the possibility that the liquid within the liquid storage section may leak out of the liquid storage container. liquid through the air introduction section from the air chamber can be reduced.
[007] [APPLICATION EXAMPLE 2] A liquid storage container, as described above, is characterized by additionally comprising a side wall that surrounds the liquid injection port from outside the liquid storage section and protrudes into out towards the outside of the liquid storage section, and a lid configured to block the liquid injection port when fitted to the side wall from one side of the side wall opposite the liquid injection port side, where the section of
4/62 liquid storage includes an upper region that is located above the liquid injection port, the connection port is provided for the upper region, and the volume of the upper region is greater than the volume of the lid that is attached to the side wall.
[008] In this application example, the volume of the upper region is greater than the volume of the lid that is fitted to the side wall and therefore, even when the lid is fitted to the side wall in a state where, for example, the interior the side wall was filled with liquid, the liquid that is pressed against the inside of the liquid storage section with the lid can still be collected in the upper region. This causes the liquid within the liquid storage section to reach the connection port less readily even in a configuration that has a lid, and therefore makes it possible to reduce the possibility that liquid within the liquid storage section may leak. out of the liquid storage container through the air inlet section from the air chamber.
[009] [APPLICATION EXAMPLE 3] A liquid storage container is characterized by comprising a liquid storage section configured to store a liquid, a liquid injection section configured to inject the liquid into the liquid storage section, a air chamber air chamber communicated with air, an air introduction section communicated with the air chamber and configured to introduce air into the air chamber, and a communication passage that communicates with the liquid storage section and the air chamber together, at least part of the liquid storage section being optically transmissive, a marking indicating an upper limit for a quantity of liquid in the liquid storage section is provided within an optically transmissive region of the liquid storage section, and one
5/62 connection port between the liquid storage section and the communication passage is located above the marking in a position where a liquid injection port is oriented upwards in a direction that intersects with a horizontal direction when the liquid injection port is defined as an intersection at which the liquid injection section and the liquid storage section intersect.
[010] With the liquid storage container of this application example, the connection port between the liquid storage section and the communication passage is located above the marking that indicates the upper limit for the liquid quantity and, therefore, the liquid within the liquid storage section is less likely to reach the connection port. For this reason, the possibility that liquid within the liquid storage section may flow in the communication passage is reduced. As a result, the possibility that the liquid within the liquid storage section may reach the air chamber is reduced and therefore the possibility that the liquid within the liquid storage section may leak out of the liquid storage container. liquid through the air introduction section from the air chamber can be reduced.
[011] [APPLICATION EXAMPLE 4] A liquid storage container as described above is characterized in that it further comprises a wrap member that has a groove and a recess that communicates with the groove, and a leaf member that covers the groove and the recess to seal the groove and the recess, at least part of the communication passage being formed by a space surrounded by the groove and the leaf member, and at least part of the liquid storage section being formed through a space surrounded by the recess and the leaf member.
[012] In this application example, at least part of the
6/62 communication can be configured with the wrap member and the leaf member, such as at least a part of the liquid storage section.
[013] [APPLICATION EXAMPLE 5] A liquid storage container as described above is characterized by the fact that a rib that is convex towards the leaf member side is provided within the recess.
[014] In this application example, the rib is provided within the recess and, therefore, it is easy to use the rib to regulate the deformation of the leaf member when the leaf member is deformed towards the interior of the recess.
[015] [APPLICATION EXAMPLE 6] A liquid storage container, as described above, is characterized by the fact that the leaf member is attached to the rib.
[016] In this application example, the leaf member is attached to the rib and, therefore, the deformation of the leaf member on the side opposite the wrap member side is easily regulated.
[017] [APPLICATION EXAMPLE 7] A liquid storage container, as described above, is characterized by the fact that the recess has two internal walls facing each other along the rib, and a gap between the rib and a inner wall of the two inner walls is equal to a gap between the rib and the other inner wall of the two inner walls.
[018] In this application example, the deformation of the leaf member is easily regulated equally between the rib and an inner wall and between the rib and the other inner wall.
[019] [APPLICATION EXAMPLE 8] A liquid storage container, as described above, is characterized by the fact that the recess has two internal walls facing each other, a plurality of ribs are provided within the recess and are aligned along a direction in which the
7/62 two inner walls are facing each other, and a gap between an inner wall of the two inner walls and the rib that is adjacent to an inner wall in the direction, one gap between the other inner wall of the two inner walls and the rib that is adjacent to the other inner wall in the direction, and a span of two of the ribs that are adjacent in the direction are all the same.
[020] In this application example, the deformation of the leaf member is easily mutually regulated equally between an inner wall and a rib adjacent to that inner wall, between the other inner wall and a rib adjacent to that inner wall, and between two ribs that are adjacent to each other.
[021] [APPLICATION EXAMPLE 9] A liquid storage container, as described above, is characterized by the fact that the air chamber is located above the liquid storage section and part of the communication passage is located above the air chamber in position.
[022] In this application example, the air chamber is located above the liquid storage section and part of the communication passage is above the air chamber and therefore the liquid that flowed into the communication passage from the liquid storage section will rise less readily above the air chamber, due to the action of gravity. For this reason, the liquid that flowed into the communication passage from the liquid storage section will reach the air chamber less readily. As a result, it is easier to prevent the liquid that flowed from the liquid storage section to the communication passage from leaking out of the liquid storage container.
[023] [APPLICATION EXAMPLE 10] A liquid storage container, as described above, is characterized by the fact that the communication passage includes a first portion and a second portion, and the first portion
8/62 and the second portion are located on opposite sides of each other along the air chamber in the horizontal direction in position.
[024] In this application example, the route of the communication passage can be lengthened by placing the space surrounding the air chamber to use and form the communication passage in order to pass around the air chamber.
[025] [APPLICATION EXAMPLE 11] A liquid jet apparatus is characterized in that it comprises a first wrap, a mechanism unit that includes a mechanism portion covered by the first wrap and configured to perform a printing operation, a second wrap attached to the first wrap, and a plurality of liquid storage containers. The plurality of liquid storage containers are covered by the second wrap and are arranged to supply a liquid to a printing section of the mechanism unit via supply tubes.
[026] In the liquid jet apparatus of this application example, the plurality of liquid storage containers is disposed within the same second wrap and therefore any variation, such as in the height of the connection port between the storage section of liquid and the communication passage in the plurality of liquid storage containers can be reduced. As a result, even in a case where a plurality of liquid storage containers are used, it is possible to provide all liquid storage containers with the effect of reducing the possibility that the liquid may leak out of the storage containers. of liquid through the air inlet sections.
[027] [APPLICATION EXAMPLE 12] A liquid jet apparatus is characterized in that it comprises a wrap, a mechanism unit that includes a mechanism portion covered by the wrap and configured to perform a printing operation and a plurality of storage containers in
9/62 net. The plurality of liquid storage containers are covered by the wrap and are arranged to supply a liquid to a printing section of the mechanism unit via supply tubes.
[028] In the liquid jet apparatus of this application example, the plurality of liquid storage containers is disposed within the same wrap and therefore any variation, such as in the height of the connection port between the liquid storage section and the communication passage in the plurality of liquid storage containers can be reduced. As a result, even in a case where the plurality of liquid storage containers is used, it is possible to provide all liquid storage containers with the effect of reducing the possibility that the liquid may leak out of the storage containers. of liquid through the air inlet sections.
BRIEF DESCRIPTION OF THE DRAWINGS [029] Figure 1 is a perspective view that illustrates a printer in the present modalities;
[030] Figure 2 is a perspective view that illustrates a printer in the present modalities;
[031] Figure 3 is a perspective view illustrating a printer mechanism unit in the present embodiments;
[032] Figure 4 is an exploded perspective view that illustrates a tank in a first mode;
[033] Figure 5 is a side view in which a tank in the first embodiment is seen from the side of a leaf member;
[034] Figure 6 is a perspective view that illustrates a wrapper in the first modality;
[035] Figure 7 is a cross-sectional view in which a section of
10/62 ink injection, a supply port and an air communication port in the present modalities are cut in the XZ plane;
[036] Figure 8 is a side view in which a tank in the first embodiment is seen from the side of a leaf member;
[037] Figure 9 is a side view in which a tank in the first embodiment is seen from the side of a leaf member;
[038] Figures 10A and 10B are seen in cross-section in which a first buffer chamber in the first embodiment is cut in the YZ plane;
[039] Figures 11A and 11B are a cross-sectional view illustrating another example of a first buffer chamber in the first embodiment;
[040] Figure 12 is an exploded perspective view showing a tank in a second mode;
[041] Figure 13 is a side view in which a tank in the second embodiment is seen from the side of a leaf member;
[042] Figure 14 is a perspective view that illustrates a wrap in the second embodiment;
[043] Figure 15 is a side view in which a tank in the second embodiment is seen from one side of the leaf member;
[044] Figure 16 is an enlarged view of section A in Figure 15;
[045] Figure 17 is a side view in which a tank in the second embodiment is seen from one side of the leaf member;
[046] Figure 18 is a side view in which a tank in the second embodiment is seen from a leaf member side;
[047] Figure 19 is a perspective view that illustrates a multifunctional peripheral in the present modalities;
[048] Figure 20 is a perspective view that illustrates a multifunctional peripheral in the present modalities;
11/62 [049] Figure 21 is a perspective view that illustrates a printer in the present modalities; and [050] Figure 22 is a perspective view illustrating a printer mechanism unit in the present embodiments.
DESCRIPTION OF THE MODALITIES [051] The modalities will be described below with reference to the accompanying drawings, using the example of an inkjet printer (hereinafter referred to as a printer), which is an example of a liquid jet apparatus. In each of the drawings, there may be cases where the scales of the configurations and members have been changed in order to make the respective configurations large enough to be recognizable.
[052] A printer 1 in the present embodiments, as illustrated in Figure 1, has a first wrap 3 and a tank unit 5. Printer 1 has the ability to print on a print media P of the printing paper or the like using of ink, which is an example of a liquid. The tank unit 5 has a second wrap 7, which is an example of a wrap member, and a plurality of (two or more) tanks 9. The first wrap 3 and the second wrap 7 constitute an external printer housing 1. Here, in Figure 1, the XYZ geometry axes that have been assigned are geometry axes of coordinates that are orthogonal to each other. The XYZ geometry axes were assigned when necessary in the drawings subsequently illustrated, as well. On each of the XYZ geometry axes, the orientation of the arrow illustrates the plus direction (forward direction), and the orientation opposite the orientation of the arrow illustrates the minus direction (negative direction). In a state where printer 1 is used, printer 1 is arranged on a horizontal plane which is defined by the direction of the X axis and the direction of the Y axis In the state of use of printer 1, the direction of the Z axis is a direction orthogonal to the horizontal plane, and the direction of the axis
12/62 geometric Z is vertically descending.
[053] A mechanism unit 10 (Figure 3) from printer 1 is stored in the first wrapper 3. The mechanism unit 10 and a mechanism portion to perform the printing operation on printer 1. A more detailed description of the mechanism unit 10 will be provided below. The plurality of tanks 9 is stored within the second wrapper 7, as shown in Figure 1, and each of the plurality of tanks 9 stores the ink that is supplied for printing. In the present embodiments, there are four of the tanks 9 that are provided. In the four tanks 9, there is a different type of ink for each of the tanks 9. In the present modalities, the four types of ink that are used consist of black, yellow, magenta and cyan. One of each is supplied in a tank 9 that stores black ink, a tank 9 that stores yellow ink, a tank 9 that stores magenta ink and a tank 9 that stores cyan ink. In printer 1, the plurality of tanks 9 is provided on the outside of the first wrap 3. Therefore, in printer 1, the plurality of tanks 9 is not embedded in the first wrap 3, which covers the mechanism unit 10.
[054] A paper discharge section 11 is also provided for printer 1. On printer 1, media P is discharged from paper discharge section 11. On printer 1, a surface on which the paper discharge section paper 11 is provided is understood as a front surface 13. Printer 1 also has an operation panel 17 on an upper surface 15 that crosses the front surface 13. A power button 18A, another operation button 18B and the like are provided for the operation panel 17. The tank unit 5 is provided for a side section 19 that crosses the front surface 13 and the upper surface 15 in the first wrap 3. Window sections 21 are provided for the second wrap 7. The window 21 are provided for a side section
13/62 which intersects with a front surface 23 and an upper surface 25 in the second envelope 7. The window sections 21 are optically transparent. The four tanks 9 described above are provided for positions that overlap window sections 21. For this reason, a worker using printer 1 can see the four tanks 9 through window sections 21.
[055] In the present modalities, the locations of each of the tanks 9 facing the window sections 21 are optically transparent. The inks inside tanks 9 can be seen from the optically transparent locations of each of the tanks 9. In this way, viewing the four tanks 9 through the window sections 21 allows the worker to see the amount of ink that is found in each one of the tanks 9. An upper limit marking 28 indicating an upper limit for the amount of ink and a lower limit marking 29 indicating a lower limit for the amount of ink are provided for each of the tanks 9, in the locations that are facing the window sections
21. The worker can use the upper limit markings 28 and the lower limit markings 29 as references to check the amount of paint found in each of the tanks 9. However, the first wrapper 3 and the second wrapper 7 are made up by bodies separated from each other. For this reason, in the present embodiments, the second wrap 7 can be separated from the first wrap 3, as shown in Figure 2. The second wrap 7 is attached to the first wrap 3 by mounting screws 31. Also, as shown in Figure 2, the second wrap 7 covers at least partially the four (two or more) tanks 9, such as, for example, the front surfaces, upper surfaces and lateral surfaces thereof.
[056] Printer 1 has a print section 41 and supply tubes 43, as shown in Figure 3, which is a perspective view illustrating the mechanism unit 10. Print section 41 has a carriage 45,
14/62 a print head 47 and four relay units 49. The print head 47 is mounted on the carriage 45, like the relay units 49. Supply tubes 43 are flexible and are supplied between tanks 9 and relay units 49. Inks in tanks 9 are sent to relay units 49 through supply tubes 43. Relay units 49 relay to the print head 47 the inks that are delivered from tanks 9 through supply tubes 43. The print head 47 discharges the inks supplied as ink droplets.
[057] Printer 1 also has a medium transport mechanism (not shown) and a head transport mechanism (not shown). The media transport mechanism transports the print media P along the direction of the Y axis by driving a transport roller 51 using energy that originates from a motor (not shown). The head transport mechanism transports the carriage 45 along the direction of the geometric axis X by transmitting the energy that originates from an engine 53 to the carriage 45 through a timing belt 55. The print head 47 is mounted on the carriage 45. For this reason, the print head 47 can be transported in the direction of the geometric axis X via the carriage 45, by the head transport mechanism. The print head 47 is supported by the carriage 45 in a state facing the media P. Inks are discharged from the print head 47 while the relative position of the print head 47 relative to the media P is being changed by the media transport mechanism and the head transport mechanism, so that printing is performed on the P.
[058] Several types of tanks 9 will be described. For the purpose of discriminating between the different modalities of tanks 9 below, a different alphabetic character for each of the modalities will be attached to the reference
15/62 numeric for tanks 9.
(FIRST MODE) [059] A 9A tank as in the first mode will now be described. Tank 9A, as shown in Figure 4, has a wrap 61, which is an example of a main tank body and a sheet member 63. Wrap 61 consists, for example, of a synthetic resin, such as nylon or polypropylene. The sheet member 63 is formed by a synthetic resin (for example, nylon, polypropylene or the like) in the form of a film and is flexible. In the present embodiment, the leaf member 63 is optically transparent. The tank 9A has a configuration in which the casing 61 and the leaf member 63 are connected to each other. Connecting sections 64 are provided for wrap 61. Figure 4 depicts connecting sections 64 with hatch in order to better illustrate the configuration. The leaf member 63 is connected to the connecting sections 64 of the wrap 61. In the present embodiment, the wrap 61 and the leaf member 63 are welded together.
[060] Tank 9A, as shown in Figure 5, has a storage section 65 and a communication section 67. Communication section 67 has a first air chamber 68, a second air chamber 69, a first air passage communication 71, a third air chamber 72, a second communication passage 73, a first buffer chamber 74 and a second buffer chamber 75. In tank 9A, ink is stored within storage section 65. Figure 5 illustrates a state in which the tank 9A is seen from the side of the leaf member 63, and depicts the wrap 61 with the leaf member 63 between it. The storage section 65, the first air chamber 68, the second air chamber 69, the first communication passage 71, the third air chamber 72 and the second communication passage 73 are divided from each other by the connecting sections 64 The first buffer chamber 74 and the second
16/62 buffer chamber 75 are each provided within the second communication passage 73.
[061] Wrap 61 has a first wall 81, a second wall 82, a third wall 83, a fourth wall 84, a fifth wall 85, a sixth wall 86, a seventh wall 87 and an eighth wall 88. The first chamber air 68, the second air chamber 69, the first communication passage 71 and the third air chamber 72 are arranged on the side of the fifth wall 85 opposite the storage section 65. When the first wall 81 is seen in view flat from the leaf member side 63, then the storage section 65 is surrounded by the second wall 82, the third wall 83, the fourth wall 84 and the fifth wall 85.
[062] When the first wall 81 is seen in plan view from the side of the leaf member 63, then the first air chamber 68, the second air chamber 69, the first communication passage 71 and the third air chamber air 72 are surrounded by the fifth wall 85, the sixth wall 86, the seventh wall 87 and the eighth wall 88. The first wall 81 of the storage section 65 and the first wall 81 of the first air chamber 68, of the second air chamber 69 and the third air chamber 72 are the same wall as each other. In other words, in the present embodiment, the first wall 81 is shared between the storage section 65, the first air chamber 68, the second air chamber 69 and the third air chamber 72.
[063] The second wall 82, the third wall 83, the fourth wall 84 and the fifth wall 85 each cross the first wall 81, as shown in Figure 6. The second wall 82 and the third wall 83 are provided in positions that are facing each other along the first wall 81 in the direction of the geometric axis X. The fourth wall 84 and the fifth wall 85 are provided in positions that are facing each other along the first wall 81 in the
17/62 direction of the geometric axis Z. The second wall 82 intersects with each of the fourth wall 84 and the fifth wall 85. The third wall 83 also intersects with each of the fourth wall 84 and the fifth wall 85.
[064] The second wall 82, the third wall 83, the fourth wall 84 and the fifth wall 85 protrude outwards in the + direction of the geometric axis Y from the first wall 81. Because of this, when the first wall 81 is a main wall, a recess 91 consists of the second wall 82, the third wall 83, the fourth wall 84 and the fifth wall 85, which extend in the + direction of the geometric axis Y from the main wall. The recess 91 is configured with an orientation so that it is concave towards the direction - of the Y axis. The recess 91 forms an opening towards the + direction of the Y axis, that is, towards the side of the leaf member. 63 (Figure 4). In other words, the recess 91 is provided in an orientation so as to be concave towards the direction - of the Y geometric axis, that is, towards the opposite side to the leaf member 63 (Figure 4). When the leaf member 63 is attached to the wrap 61, the recess 91 is closed by the leaf member 63, thereby constituting the storage section 65. The first wall 81 through the eighth wall 88, each, is not limited to be flat walls, and they can also be those that comprise irregularities.
[065] The sixth wall 86 projects outwardly from the fifth wall 85 towards the side of the fifth wall 85 opposite to the fourth wall 84, that is, towards the direction + of the Z axis side of the fifth wall 85, as shown in Figure 5. The seventh wall 87 projects outwardly from the fifth wall 85 towards the side of the fifth wall 85 opposite the fourth wall 84, that is, towards the + direction of the axis side geometric Z of the fifth wall 85. The sixth wall 86 and the seventh wall 87 are provided in positions that face each other along the first air chamber 68, the second
18/62 air chamber 69, from the first communication passage 71 and from the third air chamber 72 in the direction of the geometric axis X. The eighth wall 88 is provided in a position facing the fifth wall 85 along the first air chamber 68, of the second air chamber 69, of the first communication passage 71 and of the third air chamber 72 in the direction of the geometric axis Z. The sixth wall 86 intersects each one between the fifth wall 85 and the eighth wall 88. A seventh wall 87 also intersects with each of the fifth wall 85 and the eighth wall 88.
[066] A ninth wall 93 through which the first air chamber 68 and the second air chamber 69 are divided in the direction of the geometric axis Z is provided between the fifth wall 85 and the eighth wall 88. Also, a tenth wall 94 and an eleventh wall 95 are provided between the sixth wall 86 and the seventh wall 87. Between the first air chamber 68, the second air chamber 69 and the third air chamber 72, a separation in the direction of the geometric axis X is formed by the eleventh wall 94 and the eleventh wall 95. The tenth wall 94 is provided on the side of the seventh wall 87 rather than the sixth wall 86 and is facing the sixth wall 86. The eleventh wall 95 is provided on the side of the sixth wall 86 more than the seventh wall 87 and faces the seventh wall 87. The eleventh wall 95 is provided on the side of the seventh wall 87 more than the tenth wall 94.
[067] The sixth wall 86, the seventh wall 87, the eighth wall 88, the ninth wall 93, the tenth wall 94 and the eleventh wall 95 each protrude outward in the + direction of the Y geometric axis from of the first wall 81, as shown in Figure 6. The sixth wall 86, the ninth wall 93, the tenth wall 94 and the eighth wall 88, which extend in the + direction of the geometric axis Y from the first wall 81, constitute a recess 97 together. The sixth wall 86, the fifth wall 85, the tenth wall 94 and the ninth wall 93, which extend in the + direction of the geometric axis Y from the first wall 81, together constitute a recess 98. A fifth wall 85, seventh wall 87,
19/62 the eighth wall 88 and the eleventh wall 95, which extend in the + direction of the geometric axis Y from the first wall 81, together constitute a recess 99.
[068] The recess 97, the recess 98 and the recess 99 each form an opening towards the + direction of the geometric axis Y, that is, towards the side of the leaf member 63 (Figure 4). In other words, the recess 97, the recess 98 and the recess 99 are provided in an orientation so that they are concave towards the direction - of the Y geometric axis, that is, towards the opposite side to the leaf member 63 (Figure 4). Then, when the leaf member 63 is connected to the casing 61, the recess 97 is closed by the leaf member 63, thereby constituting the first air chamber 68. Likewise, when the leaf member 63 is connected to the envelope 61, the recess 98 is closed by the leaf member 63, thereby constituting the second air chamber 69, and the recess 99 is closed by the leaf member 63, thereby constituting the third air chamber 72. The quantities in which the second wall 82, the eighth wall 88 and the ninth wall 93 the eleventh wall 95 project outwardly from the first wall 81 are defined to have the same amount of projection from each other.
[069] The second wall 82 and the sixth wall 86 have a staggered difference in the direction of the geometric axis X. The second wall 82 is located on the side of the third wall 83 more than the sixth wall 86, that is, in the direction - of the side of the geometric axis X more than the sixth wall 86. The third wall 83 and the seventh wall 87 have a staggered difference in the direction of the geometric axis X. The seventh wall 87 is located on the side of the second wall 82 more than the third wall 83, that is, in the + direction of the geometric axis X more than the third wall 83. An ink injection section 101 is provided between the third wall 83 and the seventh wall 87 in the state where the first wall 81 is seen in
20/62 plan view from the side of the leaf member 63. The ink injection section 101 is provided for the fifth wall 85.
[070] The first communication passage 71 is provided between the 10th wall 94 and the eleventh wall 95, as shown in Figure 5, and forms the communication between the second air chamber 69 and the third air chamber 72. The second communication passage 73 is provided on the outside of storage section 65, the first air chamber 68, the second air chamber 69, the first communication passage 71 and the third air chamber 72. The second communication passage 73 forms the communication between the third air chamber 72 and the storage section 65. A communication port 102 is provided for the ninth wall 93. The first air chamber 68 and the second air chamber 69 are in communication with each other through the communication port 102. The second air chamber 69 is communicated with the first communication passage 71 through a communication port 103. Also, the third air chamber 72 is communicated with the first pass communication message 71 through communication port 104. The first communication passage 71 is winding. The second air chamber 69 is communicated with the third air chamber 72 after meandering the first communication passage 71.
[071] As shown in Figure 6, an extended section 105 is provided for wrap 61. The second communication passage 73 is provided for extended section 105. The extended section 105 has a location 105A that extends outward toward direction + on the side of the geometric axis X from the fifth wall 85 along the edge of the opening of the recess 91, in a region of the fifth wall 85, that is, the direction - on the side of the geometric axis X more than the seventh wall 87. Location 105A also extends outward in the direction - on the side of the X geometric axis from the seventh wall 87 along the edge of the recess opening 99 in the seventh wall 87. In addition, the extended section 105
21/62 has a location 105B that extends outwards towards the direction + on the side of the geometric axis Z from the eighth wall 88. In addition, the extended section 105 has a location 105C that extends outwards towards the direction + on the side of the geometric axis X from the sixth wall 86 along the edge of the openings in the recess 97 and the recess 98 in the sixth wall 86. The extended section 105 has an additional location 105D that extends outwards towards the direction + on the side of the geometric axis X from the second wall 82 along the edge of the recess opening 91 in the second wall 82. The second communication passage 73 is configured as a groove 117 which is provided for the extended section 105 in an orientation of so as to be concave towards the opposite side to the leaf member 63.
[072] Here, within the recess 91, a recess 109 is provided. The recess 109 is provided in an orientation so as to be concave towards the opposite side of the fifth wall 85 rather than the fourth wall 84, i.e. , towards the direction - on the side of the geometric axis Z more than the fourth wall 84. Then, in the recess 109, a supply port 113 is provided for a wall 111 which faces the third wall 83 and the second wall 82 For this reason, supply port 113 is provided between the third wall 83 and the second wall 82 in a state where the first wall 81 is seen in plan view. The ink injection section 101 and the supply port 113 each form the communication between the exterior of the casing 61 and the interior of the recess 91. The supply port 113 projects outwardly towards the side of the second wall 82 along the direction of the geometric axis X from wall 111.
[073] Also, an air communication port 115 is provided for the eighth wall 88. The air communication port 115 projects outward from the eighth wall 88 to the side of the eighth wall 88 opposite the fifth wall 85, that is, in the + direction of the geometric axis Z side of the eighth wall 88. The communication port
22/62 of air 115 is provided in a position that overlaps recess 97 when the eighth wall 88 is seen in plan view, that is, when the eighth wall 88 is seen in plan view in the XY plane. The air communication port 115 forms the communication between the exterior of the casing 61 and the interior of the recess 97. The air communication port 115 is a communication passage for air in order to introduce the air that is outside the casing 61 inside the recess 97. In the casing 61, the connecting sections 64 are provided along the respective contours of each one between the recess 91, the recess 97, the recess 98, the recess 99, the recess 109, the first passage of communication 71 and the second communication passage 73.
[074] The leaf member 63 faces the first wall 81 along the second wall 82 the eighth wall 88 in the direction of the geometric axis Y, as shown in Figure 4. The leaf member 63 has a size that covers the recess 91, the recess 97, the recess 98, the recess 99, the recess 109 and the extended section 105, when viewed in plan view. The sheet member 63 is welded to the connecting sections 64 in a state where there is a gap with the first wall 81 on the other side. This causes the recess 91, the recess 97, the recess 98, the recess 99, the recess 109, the first communication passage 71, and the second communication passage 73 to be sealed by the leaf member 63. For this reason, the leaf member 63 can also be referred to as a cover for the wrap 61.
[075] The second communication passage 73 has a communication port 106 and a communication port 107, as shown in Figure 5. The communication port 106 is an opening that opens towards the interior of the third air chamber 72. The communication port 107 is an opening that opens towards the interior of the storage section 65. The third air chamber 72 passes from the communication port 106 through the second air passage.
23/62 communication 73 through communication port 107 to storage section 65. From the above, storage section 65 passes through the second communication passage 73, the third air chamber 72, the first communication passage 71, the second air chamber 69, the first air chamber 68 and the air communication port 115 to the outside of the tank 9A. This means that the communication section 67 establishes communication between the air communication port 115 and the storage section 65. The air that flowed into the first air chamber 68 from the air communication port 115 flows inwards. from the second air chamber 69 through the communication port 102. The air that flowed into the second air chamber 69 flows into the third air chamber 72 through the first communication passage 71. Then, the air that flowed inward from the third air chamber 72 flows into the storage section 65 through the second communication passage 73.
[076] The ink injection section 101 is provided for the fifth wall 85. The ink injection section 101 is provided inside a recess 121 that is surrounded by the seventh wall 87, by the extended section 105, by the third wall 83 and through the first wall 81, as shown in Figure 6. As previously determined, the extended section 105 projects out from the side of the eighth wall 88 more than the fifth wall 85. The seventh wall 87 also projects out from the side of the eighth wall 88 more than the fifth wall 85. Likewise, in the present embodiment, the first wall 81 and the third wall 83, each protrude out side of the eighth wall 88 more than the fifth wall 85. So , the extended section 105 intersects both the seventh wall 87 and the third wall 83. The first wall 81 also intersects both the third wall 83 and the seventh wall 87. For this reason, a region of the fifth wall 85 what if another on the side of the third wall 83 more than the seventh wall 87 constitutes the recess 121, which is surrounded by the seventh wall 87, by the extended section
24/62
105, the third wall 83 and the first wall 81. The recess 121 is provided in an orientation so as to be concave towards the side of the fourth wall 84 from the side of the fifth wall 85.
[077] Due to the configuration described above, the ink injection section 101 is surrounded by the seventh wall 87, the extended section 105, the third wall 83 and the first wall 81. In other words, the ink injection section 101 is supplied to a region of the fifth wall 85 which is surrounded by the seventh wall 87, the extended section 105, the third wall 83 and the first wall 81. Then, the recess 121 serves as an ink receiving section. The ink receiving section can receive, for example, the ink that overflows from the ink injection section 101, or the ink that flowed during the injection. In this way, the recess 121 has a function as an ink receiving section for receiving the ink.
[078] In casing 61, a recess 123 is provided on the side of the sixth wall 86 opposite the side of the recess 97. The recess 123 and the recess 97 are aligned by sandwiching the sixth wall 86 in the direction of the X geometric axis. Also, in the casing 61, a recess 124 is provided on the side of the sixth wall 86 opposite the side of the recess 98. The recess 124 and the recess 98 are aligned by sandwiching the sixth wall 86 in the direction of the geometric axis X. The recess 123 and the recess 124 are, each, provided in an orientation so as to be concave towards the opposite side to the side of leaf member 63 (Figure 4). Both the recess 123 and the recess 124 are provided within the groove 117, and are aligned by sandwiching a twelfth wall 125 in the direction of the geometric axis Z. The recess 123 and the recess 124, each, are also referred to as configurations in which the depth in a part of the groove 117 is increased.
[079] When sheet member 63 is attached to wrap 61, groove 117 is
25/62 closed by the leaf member 63, which thus constitutes the second communication passage 73, as shown in Figure 5. Then, in the second communication passage 73, the recess 123 is configured as the first buffer chamber 74 and the recess 124 is configured as the second buffer chamber 75. In the present document, as determined above, the recess 123 and the recess 124 each can also be referred to as configurations in which the depth in a part of the groove 117 is increased . For this reason, the first buffer chamber 74 and the second buffer chamber 75 can also be determined as configurations in which the depth in a part of the second communication passage 73 is increased. Consequently, the respective cross-sectional areas of the first buffer chamber 74 and the second buffer chamber 75 in the horizontal plane (XY plane) are wider than the cross-sectional area of the second communication passage 73 in the horizontal plane (XY plane) . The respective cross-sectional areas of the first buffer chamber 74 and the second buffer chamber 75 in the horizontal plane (XY plane) are narrower than the cross-sectional area of the third air chamber 72 in the horizontal plane (XY plane). Thus, the respective volumes of the first buffer chamber 74 and the second buffer chamber 75 are less than the volume of the third air chamber 72.
[080] A plurality of support sections 127 is provided within the storage section 65, as illustrated in Figure 5. In the present embodiment, two support sections 127 are provided. Below, in cases where a distinction is made between the two support sections 127, then, the two support sections 127 should be denoted by a support section 127A and a support section 127B. The two support sections 127 are aligned in the direction of the geometric axis X. Among the two support sections 127, the support section 127A is located on the side of the third wall 83 more than the support section 127B. Both
26/62 support sections 127 are each separated from each other between the second wall 82, the third wall 83, the fourth wall 84 and the fifth wall 85. In the present embodiment, the gap between the third wall 83 and the support section 127A, the gap between the support section 127A and the support section 127B and the gap between the second wall 82 and the support section 127B are defined to be equal to each other. According to this configuration, deformations of the leaf member 63 can be equally regulated between the third wall 83 and the support section 127A, between the support section 127A and the support section 127B, and between the second wall 82 and the section support 127B. In a configuration in which a support section 127 is provided, then the gap between the third wall 83 and the support section 127 and the gap between the second wall 82 and the support section 127 are defined to be the same to others. This makes it possible to regulate the deformations of the leaf member 63 between the third wall 83 and the support section 127 equally and between the second wall 82 and the support section 127.
[081] The two support sections 127 are provided for the first wall 81, as shown in Figure 6, and project outwardly from the first wall 81 towards the side of leaf member 63 (Figure 4), that is , towards the + direction on the side of the Y geometric axis. Each of the two support sections 127 has a flat shape that extends along the YZ plane. The amount in which the two support sections 172 project outwardly from the first wall 81 is defined to be equal to the amounts in which the second wall 82 and the fifth wall 85 project outwardly from the first wall 81. In each of the two support sections 127, the connecting sections 64 are provided for an end section on the side opposite the side of the first wall 81, that is, on the side of the leaf member 63 (Figure 4). The leaf member 63 is also connected to the connecting sections 64 in each of the two support sections 127.
27/62 [082] The ink injection section 101 has an opening 128 and a side wall 129, as shown in Figure 7, which is a cross-sectional view in which the ink injection section 101, the supply port 113 and the air communication port 115 are cut along the XZ plane. Aperture 128 is a through hole which is provided for fifth wall 85. Aperture 128 is also an intersection at which the ink injection section 101 and the storage section 65 intersect. A configuration in which the side wall 129 projects outwardly into the storage section 65 can also be employed as the configuration of the ink injection section 101. In a configuration where the side wall 129 projects outwardly into the interior of the storage section. storage section 65, also, the intersection at which the ink injection section 101 and storage section 65 intersect can be defined as opening 128. The recess 91 is communicated with the outside of the recess 91 through the aperture 128, which is a through hole. The side wall 129 is provided on the side of the fifth wall 85 opposite the side of the fourth wall 84 and surrounds the periphery of the aperture 128, thereby forming an ink injection path. The side wall 129 projects outwardly from the fifth wall 85 towards the opposite side to the side of the fourth wall 84. In the present embodiment, the side wall 129 projects outwardly to the side of the fourth wall 84 more than each between the first wall 81 and the third wall 83. The side wall 129 makes it possible to prevent the ink that was collected in the recess 121 from flowing into the opening 128. The first buffer chamber 74 (Figure 5), is located above opening 128 in the direction of the Z geometric axis.
[083] In tank 9A, ink 141 is stored inside storage section 65, as shown in Figure 8, which is a side view in which tank 9A is seen from the side of leaf member 63. Figure 8 omits any description of leaf member 63 and portrays connecting sections 64 with hatch to
28/62 in order to better illustrate the configuration. The ink 141 within the storage section 65 is supplied to the print head 47 from the supply port 113. In the present embodiment, in a state where printer 1 is used for printing, then supply tube 43 is connected to the supply port and a cap 143 is attached to the ink injection section 101. Suction through the interior of the supply tube 43 via the relay unit 49 causes the ink 141 inside the recess 91 to reach the print head 47 from the supply port 113.
[084] In association with printing by the print head 47, the ink 141 within the storage section 65 is sent to the side of the print head 47. For this reason, the pressure within the storage section 65 becomes lower than atmospheric pressure in association with printing by the print head 47. When the pressure within the storage section 65 becomes lower than the atmospheric pressure, then the air within the third air chamber 72 passes through the second air passage communication 73 and is sent into storage section 65. This makes it easier for the pressure within storage section 65 to be maintained at atmospheric pressure. Air flows into the third air chamber 72 from the air communication port 115 after passing through the first air chamber 68, the second air chamber 69 and the first communication passage 71, in the given order. From the above, ink 141 inside tank 9A is supplied to print head 47. When ink 141 inside storage section 65 in tank 9A is consumed and little ink 141 remains, then the worker can refill the inside of the storage section 65 with new ink from ink injection section 101.
[085] The second communication pass 73, as illustrated in Figure 9, can be divided into a first pass 151, a second pass 152, a third pass 153, a fourth pass 154, a fifth pass 155
29/62 and a sixth pass 156. The first pass 151 originates from the communication port 106 and goes towards the third wall 83 along the fifth wall 85, that is, along the direction of the geometric axis X. The first passage 151 leads, from the communication port 106, to an inversion section 161. The inversion section 161 is a location where the orientation of the flow path in the second communication passage 73 is inverted. In inversion section 161, the orientation of the flow path is reversed from the direction - from the geometric axis X to the direction + of the geometric axis X. On the route taken by air from the air communication port 115 leading to the section storage 65, the side of the air communication port 115 is the upstream side and the side of the communication port 107 is the downstream side.
[086] The second passage 152 goes from the inversion section 161 towards the seventh wall 87 along the direction of the extension of the first passage 151, that is, along the direction of the geometric axis X. The second passage 152 leads, from from the inversion section 161, to a bending section 162. The bending section 162 is a location where the orientation of the flow path in the second communication passage 73 is flexed. In the bending section 162, the direction of the flow path is bent from the + direction of the X axis to the + direction of the Z axis. The third pass 153 goes from the bending section 162 towards the eighth wall 88 along from the seventh wall 87, that is, along the direction of the geometric axis Z. The third passage 153 leads, from the bending section 162, to a bending section 163. The bending section 163 is a place where the orientation of the flow path in the second communication passage 73 is flexed. In the bending section 163, the orientation of the flow path is flexed from the + direction of the Z axis to the + direction of the X axis.
[087] The fourth passage 154 goes from the bending section 163 towards the sixth wall 86 along the eighth wall 88, that is, along the axis direction
30/62 geometric X. In the direction of the geometric axis Z, the fourth passage 154 is located above the third air chamber 72. The fourth passage 154 leads, from the bending section 163, to a bending section 164. The section flexion 164 is a location where the orientation of the flow path in the second communication passage 73 is flexed. In the bending section 164, the orientation of the flow path is bent from the + direction of the X axis to the direction - of the Z axis. The fifth passage 155 leads, from the bending section 164 towards the fourth wall 84 along the sixth wall 86, that is, along the direction of the geometric axis Z. The fifth passage 155 leads from the bending section 164 towards an inversion section 165.
[088] As determined above, in the direction of the geometric axis Z, the fourth passage 154 is located above the third air chamber 72. In other words, a part of the second communication passage 73 is located above the third air chamber 72. According to this configuration, the ink that flowed into the second communication passage 73 from the storage section 65 will rise less readily above the third air chamber 72, due to the action of gravity. For this reason, the ink that flowed into the second communication passage 73 from the storage section 65 will arrive less readily at the third air chamber 72. As a result, it is easier to prevent the ink that flowed from the section storage 65 into the second communication passage 73 leaks out of tank 9A.
[089] Also, in tank 9A, the third passage 153 and the fifth passage 155 are located on mutually opposite sides along the third air chamber 72 in the direction of the geometric axis X. According to this configuration, the route of the second passage of communication 73 can be lengthened by placing the space surrounding the third air chamber 72 to use and form the second communication passage 73 in order to pass around the third air chamber 72. The
31/62 lengthening the route of the second communication passage 73 is preferable from the point of view of making it less likely that the liquid component of the ink within the storage section 65 evaporates and from the point of view of making it less likely that the ink that flowed from storage section 65 into the second communication passage 73 arrives in the third air chamber 72.
[090] The inversion section 165 is a place where the orientation of the flow path in the second communication passage 73 is inverted. In inversion section 165, the direction of the flow path is reversed from the direction - from the Z axis to the + direction of the Z axis. The sixth pass 156 runs from the inversion section 165 towards the fifth wall 85 along from the second wall 82, that is, along the direction of the geometric axis Z. The sixth passage 156 leads, from the inversion section 165, to the communication port 107 through a flexing section 166. The flexing section 166 it is a place where the orientation of the flow path in the second communication passage 73 is flexed. The second communication passage 73 is communicated with the interior of the storage section 65 through the communication port 107 after the orientation of the flow path is flexed in the flexion section 166 from the + direction of the Z axis to the - direction geometric axis X.
[091] The first buffer chamber 74 and the second buffer chamber 75 are each provided for the fifth passage 155 in the second communication passage 73. The first buffer chamber 74 is arranged between the ninth wall 93 and the eighth wall 88 in the direction of the geometric axis Z. The second buffer chamber 75 is arranged between the fifth wall 85 and the ninth wall 93 in the direction of the geometric axis Z. For this reason, in the vertical direction, the first buffer chamber 74 is located above the second buffer chamber 75.
[092] The locations for the first buffer chamber 74 and the second buffer chamber 75 are not limited to the fifth passage 155. Anyone
32/62 of the locations of the first passage 151 to the sixth passage 156 can also be used as the disposal locations of the first buffer chamber 74 and the second buffer chamber 75. Also, any of the locations of the inversion section 161, of the section inversion 165, bending section 162, bending section 163, bending section 164 and bending section 166 can also be used in the disposal locations of the first buffer chamber 74 and the second buffer chamber 75.
[093] The communication port 106 is located at the intersection where the seventh wall 87 and the fifth wall 85 intersect. In another view, the communication port 106 is located at the lower end of the third air chamber 72 in the vertical direction. The communication port 107 is located at the intersection where the second wall 82 and the fifth wall 85 intersect. In another view, the communication port 107 is located at the upper end of the storage section 65 in the vertical direction. In the present embodiment, the communication port 107 is located below the second buffer chamber 75 in the vertical direction. The communication port 103 is located at the intersection where the fifth wall 85 and the tenth wall 94 intersect. In another view, the communication port 103 is located at a lower end of the second air chamber 69 in the vertical direction. The communication port 104 is located at the intersection where the fifth wall 85 and the eleventh wall 95 intersect. In another view, the communication port 104 is located at the lower end of the third air chamber 72 in the vertical direction.
[094] In this document, the communication port 107 is located above the upper limit marking 28 in the vertical direction, as shown in Figure 7. The upper limit marking 28 is located below the fifth wall 85 in the vertical direction. For this reason, the upper limit marking 28 is located below the opening 128 of the ink injection section 101 in the vertical direction. This makes it more
33/62 it is easy to avoid a case in which the ink may pass the upper limit marking 28 and reach the opening 128 when the worker is injecting the ink into tank 9A from the ink injection section 101. For this reason, it is easier to avoid a case where the paint overflows from the ink injection section 101 when the worker is injecting the ink into tank 9A from the ink injection section 101.
[095] In the first modality, the direction of the geometric axis Z corresponds to a direction that intersects with the horizontal direction, the storage section 65 corresponds to a liquid storage section, the ink injection section 101 corresponds to a section for liquid injection, opening 128 corresponds to a liquid injection port and the third air chamber 72 corresponds to an air chamber. The air communication port 115, the first air chamber 68, the communication port 102, the second air chamber 69 and the first communication passage 71 correspond to an air inlet section. The second communication passage 73 corresponds to a communication passage, each one of the first buffer chamber 74 and the second buffer chamber 75 corresponds to a collection section, and the wrap 61 corresponds to a wrap member. The support sections 127 correspond to ribs. The second wall 82 and the third wall 83 correspond to two internal walls facing each other along the ribs. One between the third passage 153 or the fifth passage 155 corresponds to a first portion and the other between the third passage 153 and the fifth passage 155 corresponds to a second portion.
[096] In the first embodiment, the first buffer chamber 74 and the second buffer chamber 75 are provided for the second communication passage 73. For this reason, even if, for example, the ink within the storage section 65 can flow back towards the side of the third air chamber 72 through the second communication passage 73, the ink can be captured in the
34/62 the first buffer chamber 74 and the second buffer chamber 75 and therefore the ink within the storage section 65 can be more easily prevented from reaching the third air chamber 72. This makes it easier to avoid a case where the ink inside the storage section 65 seeps out from the air communication port 115 to the outside of the tank 9A. The number of buffer chambers, however, is not limited to two, namely, the first buffer chamber 74 and the second buffer chamber 75. One or three or more can also be employed as the number of buffer chambers.
[097] In the first embodiment, the first buffer chamber 74 and the second buffer chamber 75 are provided for the fifth passage 155 (Figure 9) of the second communication passage 73. In a case where the ink within the storage section 65 flows back towards the side of the third air chamber 72 through the second communication passage 73, then the ink that flowed back in the fifth passage 155 will flow from the bottom to the top in the direction of the geometric axis Z. The orientation of this flow is opposite to the orientation in which the air is flowing from the side of the third air chamber 72 towards the side of the storage section 65. The ink 141 that flows from the bottom to the top through the fifth passage 155 will be collected from the top of the first buffer chamber 74, as shown in Figure 10A, which is a cross-sectional view in which the first buffer chamber 74 is cut in the YZ plane. For this reason, the liquid level of ink 141 that arrived in the first buffer chamber 74 increases from the bottom towards the top of the first buffer chamber 74.
[098] Here, in a case where, for example, the ink 141 flowing back from the side of the storage section 65 towards the side of the third air chamber 72 flows from the top towards the bottom in fifth pass 155, then the ink 141 flowing back flows towards the first buffer chamber 74 from above the first buffer chamber 74. At that moment, as
35/62 illustrated in Figure 10B, conceivably, ink 141 may fail to reach the inside of the first buffer chamber 74 and may instead end up passing through the first buffer chamber 74, or the ink 141 that has arrived inside the first buffer chamber 74 it may end up flowing out from the first buffer chamber 74 through the action of gravity. In such a case, it is not possible to fully exploit the capacity of the first buffer chamber 74.
[099] In contrast to such a case, in the present embodiment, ink 141 that arrived in the first buffer chamber 74 will be collected from the bottom towards the top of the first buffer chamber 74 and, therefore, it is possible to efficiently explore the capacity of the first buffer chamber 74.
[0100] Also, according to the present modality, the first buffer chamber 74 has a smaller cross-sectional area than the cross-sectional area of the third air chamber 72 and, therefore, the distance in the horizontal direction from the wall inner of the first buffer chamber 74 to the second communication passage 73 is shorter than the distance in the horizontal direction from the inner wall of the third air chamber 72 to the second communication passage 73. For this reason, the ink inside the first buffer chamber 74 arrives more easily at the second communication passage 73 compared to the ink that flowed into the third air chamber 72. In other words, the ink within the first buffer chamber 74 returns more easily to the second flow passage communication 73 compared to the ink that flowed into the third air chamber 72. This makes it possible to reduce the amount of ink that remains inside the first buffer chamber 74 in addition to the amount of ink remaining within the third air chamber 72. As a result, in a case where ink in an amount that can be captured with the first buffer chamber 74 flows out of the side of the third air chamber 72 from storage section 65, then the amount of ink remaining in the first chamber
36/62 of buffer 74 can be reduced and, therefore, ink waste can be mitigated.
[0101] In the first embodiment, the first buffer chamber 74 is supplied on the upstream side of the second buffer chamber 75 and therefore the ink that overflowed from the second buffer chamber 75 can be captured with the first buffer chamber 74. This makes it easy to prevent even more the ink inside the storage section 65 from reaching the third air chamber 72 and therefore makes it easier to avoid even more a case where the ink inside the storage section 65 leaks out. from the air communication port 115 to the outside of tank 9A.
[0102] In the first mode, as determined above, the first buffer chamber 74 is located above the opening 128 in the direction of the geometric axis Z. According to this configuration, even if, for example, the ink can be injected at capacity up to the opening 128, the ink is less likely to advance to a higher position than the opening 128 and therefore it is easier to avoid a case where the first buffer chamber 74 ends up being filled with the ink. To more easily avoid the case in which the first buffer chamber 74 ends up being filled with ink, it is sufficient that at least part of the first buffer chamber 74 is located above the opening 128 in the direction of the Z axis. it is possible to make it easy to avoid the case where the first buffer chamber 74 ends up being filled with ink.
[0103] In the first mode, the communication port 107 is located above the upper limit marking 28 in the vertical direction. For this reason, it is easier to avoid a case where the ink inside the storage section 65 arrives at the communication port 107. As a result, it is easier to prevent the ink inside the storage section 65 from flowing from the communication port. 107 into the second communication passage 73 and therefore it is easier to avoid a
37/62 in which case the ink inside the storage section 65 seeps out from the air communication port 115 to the outside of the tank 9A.
[0104] In the first mode, the communication port 107 is located at the upper end of the storage section 65 in the vertical direction. For this reason, in the state in which the printer 1 is used, it is easy to prevent the ink within the storage section 65 from flowing from the communication port 107 into the second communication passage 73. As a result, it is easier avoid a case where the ink inside the storage section 65 seeps out from the air communication port 115 to the outside of the tank 9A.
[0105] In the first embodiment, the inversion section 165 is provided for the second communication passage 73. The second communication passage 73 is inverted in the inversion section 165 from an orientation that goes vertically downwards from vertically upwards for an orientation that goes vertically upwards from vertically downwards. For this reason, when the position of the tank 9A is not turned over in the state in which the ink entered the second communication passage 73 from the communication port 107, then the ink that entered the second communication passage 73 does not readily exceed the inversion section 165 and flows back to the upstream side of the fifth passage 155. For this reason, it is easy to further prevent the ink within the storage section 65 from reaching the third air chamber 72.
[0106] In the first embodiment, support sections 127 projecting outwardly towards the side of sheet member 63 from the first wall 81 of wrap 61 are provided. For this reason, the leaf member 63 can be supported with the support sections 127 when, for example, the leaf member 63 is pressed towards the first wall 81 of the wrap 61, that is, towards the interior of the storage 65. This makes it easier to regulate flexion of the leaf member 63. As a result, it is possible to mitigate any
38/62 capacity contraction within storage section 65 when, for example, sheet member 63 is pressed towards the interior of storage section 65. For this reason, it is easier to avoid a case where the ink inside the storage section 65 can flow from the communication port 107 into the second communication passage 73 when, for example, the leaf member 63 is pressed towards the interior of the storage section 65.
[0107] In the first embodiment, there is a plurality of support sections 127 provided within the storage section 65 and, therefore, it is possible to further mitigate any capacity contraction within the storage section 65 when the leaf member 63 is pressed towards the interior of the storage section 65. For this reason, it is easy to avoid yet another case where the ink within the storage section 65 may flow from the communication port 107 into the second communication passage 73 when, for example, leaf member 63 is pressed towards the interior of leaf member 63.
[0108] In the first embodiment, the leaf member 63 is connected to the connecting sections 64 provided for the support sections 127. For this reason, the positional displacement of the leaf member 63 is easily prevented. Also, any increase in capacity within storage section 65 can sometimes be mitigated, such as when, for example, the pressure within storage section 65 becomes higher than atmospheric pressure.
[0109] The above embodiment illustrates an example in which tank 9A consists of wrap 61 and leaf member 63, however, the configuration of tank 9A is not limited to this. An example in which, for example, the casing 61 consists of a plurality of members can also be employed as the tank configuration 9A. Examples in which the wrapper 61 consists of
39/62 a plurality of members include an example in which the first wall 81 of envelope 61 is made up of another member. In addition, examples in which the first wall 81 of the wrap 61 is made up of another member include an example in which the first wall 81 is made up of a leaf member different from the leaf member 63. This example can be a configuration in which the wrap 61 is sandwiched between the leaf member 63 and the other leaf member. Tank 9A can be configured by this configuration, too.
[0110] In the first embodiment above, it may also be possible to employ a configuration in which the depth of the first buffer chamber 74 is less on the underside than the upper side of the first buffer chamber 74 in the direction of the Z axis, as illustrated in Figure 11 A. In the example illustrated in Figure 11 A, a slope 168 is provided inside the first buffer chamber 74. Slope 168 is inclined in an orientation that increasingly approaches the leaf member 63 side that goes from the side upper towards the lower side of the first buffer chamber 74, i.e., in which the first buffer chamber 74 becomes increasingly shallow from the upper side towards the lower side of the first buffer chamber 74.
[0111] According to this configuration, the ink that was collected in the first buffer chamber 74 returns more readily from the bottom side of the first buffer chamber 74 to the second communication passage 73, due to the action of gravity towards the bottom side of the first buffer chamber 74. At that time, when the configuration is one in which the first buffer chamber 74 is shallower on the lower side than on the upper side, the ink within the first buffer chamber 74 approaches more readily of the second communication passage 73 on the lower side rather than on the upper side of the first buffer chamber 74. For that reason, the ink inside the first buffer chamber 74 becomes increasingly easier to guide until the second communication passage 73 a
40/62 from the upper side towards the lower side of the first buffer chamber 74. As a result, the ink that was collected in the first buffer chamber 74 is more readily returned to the second communication passage 73. This makes it possible to further reduce plus the amount of ink remaining in the first buffer chamber 74 and therefore makes it possible to further mitigate ink waste.
[0112] As a method for causing the first buffer chamber 74 to become shallower on the lower side than on the upper side, it may also be possible to employ, for example, a method in which the slope 168 is configured to be staggered, as shown in Figure 11B. A similar effect is still achieved with this setting, too. A configuration in which the slope 168 is also provided in the second buffer chamber 75 can also be employed. When slope 168 is supplied to the second buffer chamber 75 as well, the amount of ink remaining in the second buffer chamber 75 can also be further reduced and therefore the waste of the ink can be further mitigated. It should be noted that Figures 11A and 11B each illustrate cross-sectional views in which the first buffer chamber 74 is cut in the YZ plane.
(SECOND MODE) [0113] A 9B tank in the second mode will now be described. In the second mode, the same numerical references are assigned as in the first mode to settings that are the same as the first mode and a detailed description of them is omitted. Tank 9B, as shown in Figure 12, has a wrap 171 and the leaf member 63. Wrap 171 consists, for example, of a synthetic resin, such as nylon or polypropylene. The tank 9B has a configuration in which the shell 171 and the leaf member 63 are connected to each other. Connecting sections 64 are provided for the wrap
41/62
171. Figure 12 depicts connecting sections 64 with hatch in order to better illustrate the configuration. The leaf member 63 is connected to the connecting sections 64 of the envelope 171. In the present embodiment, the envelope 171 and the leaf member 63 are connected to each other by welding.
[0114] Tank 9B, as shown in Figure 13, has a storage section 181 and a communication section 183. The communication section 183 has a first air chamber 184, a first communication passage 185, a first air chamber air 186, a second communication passage 187 and a buffer chamber 188. The ink is stored within the storage section 181. Figure 13 illustrates a state in which the tank 9B is seen from the leaf member side 63, and depicts wrap 171 with sheet member 63 between it. The storage section 181, the first air chamber 184, the first communication passage 185, the second air passage 186 and the second communication passage 187 are divided from each other by the connecting sections 64. The buffer chamber 188 is provided inside the second communication passage 187.
[0115] Wrap 171 has first wall 81 and eighth wall 88, similarly to wrap 61. Wrap 171 also has ninth wall 191, eleventh wall 192, eleventh wall 193 and twelfth wall 194. The first air chamber 184, the first communication passage 185 and the second air chamber 186 are disposed opposite the storage section 181 from the fifth wall 85. When the first wall 81 is seen in plan view from from the leaf member side 63, the storage section 181 is surrounded by the second wall 82, the third wall 83, the fourth wall 84, the fifth wall 85, the ninth wall 191 and the tenth wall 192.
[0116] When the first wall 81 is seen in plan view from the side of
42/62 leaf member 63, then the first air chamber 184, the first communication passage 185 and the second air chamber 186 are surrounded by the fifth wall 85, the sixth wall 86, the seventh wall 87, the eighth wall 88, through the ninth wall 191 and the tenth wall 192. The first wall 81 of the storage section 181 and the first wall 81 of the first air chamber 184 and the second air chamber 186 are the same wall as each other. In other words, in the present embodiment, the first wall 81 is shared between the storage section 181, the first air chamber 184 and the second air chamber 186. The ink injection section 101, the supply port 113 and the air communication port 115 are also provided for wrap 171. The disposal locations of the ink injection section 101, supply port 113 and air communication port 115 are each similar to the first embodiment.
[0117] The second wall 82, the third wall 83, the fourth wall 84, the fifth wall 85, the ninth wall 191 and the tenth wall 192, each intersect with the first wall 81, as illustrated in Figure 14. The second wall 82 and the third wall 83 are provided in positions that face each other along the first wall 81 in the direction of the geometric axis X. The fourth wall 84 and the fifth wall 85 are provided in positions that are facing each other. to the others along the first wall 81 in the direction of the geometric axis Z. The third wall 83 intersects each one between the fourth wall 84 and the fifth wall 85. The ninth wall 191 is located opposite the storage 181 from the fifth wall 85. In other words, the ninth wall 191 is located above the fifth wall 85 in the vertical direction. The ninth wall 191 faces the fourth wall 84. The second wall 82 intersects each one between the fourth wall 84 and the ninth wall 191. The tenth wall 192 is located between the second wall 82 and the third wall 83. The tenth wall 192 faces the second wall 82. tenth wall 192 intersects with each of the
43/62 fifth wall 85 and ninth wall 191.
[0118] The second wall 82, the third wall 83, the fourth wall 84, the fifth wall 85, the ninth wall 191 and the tenth wall 192 protrude outward in the + direction of the Y geometric axis form the first wall 81. Due to this, when the first wall 81 is a main wall, a recess 201 is configured by the second wall 82, the third wall 83, the fourth wall 84, the fifth wall 85, the ninth wall 191 and the tenth wall 192 that extend in the + direction of the Y geometric axis from the main wall. The recess 201 is configured with an orientation so as to be concave towards the direction - of the Y axis The recess 201 forms an opening that goes towards the + direction of the Y axis, that is, towards the side of the leaf member 63 (Figure 12). In other words, the recess 201 is provided in an orientation so as to be concave towards the direction - of the Y geometric axis, that is, towards the side opposite the side of the leaf member 63 (Figure 12). When the leaf member 63 is connected to the envelope 171, the recess 201 is closed by the leaf member 63, thereby constituting the storage section 181. The first wall 81 the eighth wall 88, the ninth wall 191 and the tenth wall 192, each one, is not limited to being flat walls, and can also be those that include irregularities.
[0119] The sixth wall 86 projects outwards from the ninth wall 191 towards the side of the ninth wall 191 opposite the side of the fourth wall 84, that is, towards the direction + on the side of the geometric axis Z of the ninth wall 191, as illustrated in Figure 13. The seventh wall 87 projects outwardly from the fifth wall 85 towards the side of the fifth wall 85 opposite the fourth wall 84, that is, towards the + direction of the axis side geometric Z of the fifth wall 85. The sixth wall 86 and the seventh wall 87 are provided in positions facing each other along the first air chamber 184, the first passage of
44/62 communication 185 and the second air chamber 186 in the direction of the geometric axis X. The eighth wall 88 is provided for a position facing the fifth wall 85 and the ninth wall 191 along the first air chamber 184, of the first communication passage 185 and the second air chamber 186 in the direction of the geometric axis Z. The sixth wall 86 intersects with each one between the ninth wall 191 and the eighth wall 88. The seventh wall 87 intersects with each one among the fifth wall 85 and the eighth wall 88.
[0120] The eleventh wall 193 and the twelfth wall 194 are provided between the sixth wall 86 and the seventh wall 87. Between the first air chamber 184 and the second air chamber 186, a separation is formed in the direction of the axis geometric X through the eleventh wall 193 and the eleventh wall 194. The eleventh wall 193 is provided to the side of the seventh wall 87 more than the sixth wall 86, and is facing the sixth wall 86. The twelfth wall 194 more is provided for the sixth wall side 86 than the seventh wall 87, and is facing the seventh wall 87. The twelfth wall 194 is provided for the side of the seventh wall 87 more than the eleventh wall 193.
[0121] The sixth wall 86, the seventh wall 87, the eighth wall 88, the eleventh wall 193 and the twelfth wall 194 each protrude outward in the + direction of the Y geometric axis from the first wall 81 , as shown in Figure 14. The sixth wall 86, the ninth wall 191, the eleventh wall 193 and the eighth wall 88, which extend in the + direction of the geometric axis Y from the first wall 81, together constitute a recess 202. The fifth wall 85, the seventh wall 87, the eighth wall 88 and the twelfth wall 194, which extend in the + direction of the geometric axis Y from the first wall 81, together constitute a recess 203.
[0122] The recess 202 and the recess 203 each form an opening towards the + direction of the geometric Y axis, that is, towards the side of the
45/62 leaf member 63 (Figure 12). In other words, the recess 202 and the recess 203 are each provided in an orientation so that they are concave towards the direction - of the Y geometric axis, that is, towards the side opposite the side of the leaf member 63 (Figure 12). Then, when the leaf member 63 is connected to the casing 171, the recess 202 is closed by the leaf member 63, thereby constituting the first air chamber 184. Likewise, when the leaf member 63 is connected to the envelope 171, the recess 203 is closed by the leaf member 63, thereby constituting the second air chamber 186. The quantities in which the second wall 82 the eighth wall 88 and the ninth wall 191 the twelfth wall 194 project outwardly from the first wall 81 are defined so as to have the same amount of projection from each other.
[0123] The first communication passage 185 is provided between the eleventh wall 193 and the twelfth wall 194, as shown in Figure 13, and forms the communication between the first air chamber 184 and the second air chamber 186. A second communication passage 187 is provided outside the storage section 181, the first air passage 184, the first communication passage 185 and the second air passage 186. The second communication passage 187 forms the communication between the second air chamber 186 and storage section 181. The communication port 204 is provided for the eleventh wall 193. The first air chamber 184 is communicated with the first communication passage 185 through the communication port 204. One port communication device 205 is also provided for the twelfth wall 194. The second air chamber 186 is communicated with the first communication passage 185 through the communication port action 205. The first communication passage 185 is meandering. The first air chamber 184 is communicated with the second air chamber 186 after snaking through the first air passage.
46/62 communication 185.
[0124] The extended section 105, as in the first modality, is also provided for envelope 171, as shown in Figure 14. In envelope 171, also, the second communication passage 187 is provided for extended section 105. In envelope 171 also, extended section 105 has location 105A, location 105B, location 105C and location 105D. Similar to the first embodiment, the second communication passage 187 is configured as the groove 117 which is provided for the extended section 105 in an orientation so as to be concave towards the side opposite the leaf member 63.
[0125] The second communication passage 187 has the communication port 106 and the communication port 107, as shown in Figure 13. The communication port 106 is an opening that opens towards the interior of the second air chamber 186. The communication port 107 is an opening that opens towards the interior of the storage section 181. The second air chamber 186 passes from the communication port 106 through the second communication passage 187 through the communication port 107 to the storage section 181. From the above, storage section 181 passes through the second communication passage 187, the second air chamber 186, the first communication passage 185, the first air chamber 184 and the air communication port 115 to the outside of tank 9B. This means that the communication section 183 establishes the communication between the air communication port 115 and the storage section 181. The air that flowed from the air communication port 115 into the first air chamber 184 flows in. from the second air chamber 186 through the first communication passage 185. Then, the air that flowed into the second air chamber 186 flows into the storage section 181 through the second communication passage 187.
[0126] As shown in Figure 14, in envelope 171, a recess
47/62
206 is provided to the side of the sixth wall 86 opposite to the side of the recess 202. The recess 206 and the recess 202 are aligned by sandwiching the sixth wall 86 in the direction of the geometric axis X. The recess 206 is provided in an orientation to be concave towards the side opposite the side of the leaf member 63 (Figure 12). The recess 206 is provided within the groove 117. The recess 206 can also be referred to as a configuration in which the depth in a part of the groove 117 is increased. When the leaf member 63 is connected to the envelope 171, the groove 117 is closed by the leaf member 63, thereby constituting the second communication passage 187, as shown in Figure 13. Then, in the second communication passage 187, the recess 206 is constituted as a buffer chamber 188. In the present document, the cross-sectional area of the buffer chamber 188 in the horizontal direction (the XY plane) is wider than the cross-sectional area of the second communication passage 187 in the horizontal direction (the XY plane). The cross-sectional area of the buffer chamber 188 in the horizontal direction (the XY plane) is narrower than the cross-sectional area of the second air chamber 186 in the horizontal direction (the XY plane).
[0127] In tank 9B, as in the first embodiment, the leaf member 63 is connected to the connecting sections 64 in each of the two support sections 127. In tank 9B, as in the first embodiment, the gap between the third wall 83 and support section 127A, the gap between support section 127A and support section 127B, and the gap between second wall 82 and support section 127B are defined to be equal to each other. Also, in tank 9B, as well as in the first mode, the second communication passage 187, as shown in Figure 15, can be divided into the first passage 151, the second passage 152, the third passage 153, the fourth passage 154, the fifth pass 155 and sixth pass 156. Also, in tank 9B, as well
48/62 as in the first modality, the flow path orientation is inverted in each of the inversion section 161 and the inversion section 165. In each of the flexion section 162, the flexion section 163 and the section of flexion 164, the orientation of the flow path is flexed.
[0128] Also, in tank 9B, as in the first mode, buffer chamber 188 is located above the fifth wall 85 in the direction of the geometric axis Z. For this reason, in tank 9B, as well as in the first mode, the chamber buffer 188 is located above the opening 128 (Figure 7) of the ink injection section 101. In addition, as in the first modality, in order to easily avoid the case in case the buffer chamber 188 ends up being filled with the ink it is sufficient that at least a part of the buffer chamber 188 is located above the opening 128 in the direction of the geometric axis Z. In this configuration, it is still possible to make it easy to avoid the case in which the buffer chamber 188 ends up being filled with ink .
[0129] The buffer chamber 188 is provided for the fifth passage 155 in the second communication passage 187. The buffer chamber 188 is arranged between the ninth wall 191 and the eighth wall 88 in the direction of the geometric axis Z. The disposition location buffer chamber 188 is not limited to the fifth passage 155. Any of the locations of the first passage 151 to the sixth passage 156 can also be used as the disposal location of the buffer chamber 188. In addition, any of the locations of the inversion section 161, inversion section 165, flexion section 162, flexion section 163, flexion section 164 and flexion section 166 can also be employed as the location of buffer chamber 188.
[0130] In tank 9B, the communication port 106 is located at the intersection where the seventh wall 87 and the fifth wall 85 intersect. From another point of view, the communication port 106 is located at the lower end of the second
49/62 air chamber 186 in the vertical direction. The communication port 107 is located at the intersection where the second wall 82 and the ninth wall 191 intersect. In another view, the communication port 107 is located at the upper end of the storage section 181 in the vertical direction. In the present embodiment, the communication port 107 is located below the buffer chamber 188 in the vertical direction. The communication port 204 is located at the intersection where the ninth wall 191 and the eleventh wall 193 intersect. In another view, the communication port 204 is located at the lower end of the first air chamber 184 in the vertical direction.
[0131] As in the first modality, the communication port 107 is located above the upper limit marking 28 in the vertical direction, as shown in Figure 13. The upper limit marking 28 is located below the fifth wall 85 in the vertical direction. For this reason, the upper limit marking 28 is located below the opening 128 of the ink injection section 101 in the vertical direction. This makes it easier to avoid a case where the ink may pass the upper limit marking 28 and reach the opening 128 when the worker is injecting the ink into tank 9B from the ink injection section 101. For this reason, it is more it is easy to avoid a case where the ink overflows from the ink injection section 101 when the worker is injecting the ink into tank 9B from the ink injection section 101.
[0132] As determined above, the ninth wall 191 is located opposite the storage section 181 more than the fifth wall 85. In other words, the ninth wall 191 is located above the fifth wall 85 in the direction of the axis geometric Z. Then, the communication port 107 is located at the intersection where the second wall 82 and the ninth wall 191 intersect. For this reason, the communication port 107 is located above the fifth wall 85 in the direction of the geometric axis Z. In this document, the opening 128 (Figure 7) of the
50/62 ink injection section 101 is provided for the fifth wall 85, as in the first embodiment. Consequently, the communication port 107 is located above the opening 128 (Figure 7) in the direction of the geometric axis Z.
[0133] Communication port 205 is located on the side of the eighth wall 88 more than the intersection at which the fifth wall 85 and the twelfth wall 194 intersect, as shown in Figure 16, which is an enlarged view of the section A in Figure 15. In another view, the communication port 205 is located above a lower end 211 of the second air chamber 186 in the vertical direction. In addition, in tank 9B, the communication port 205 is located on the side of the fifth wall 85 more than the intersection at which the eighth wall 88 and the twelfth wall 194 intersect. In another view, the communication port 205 is located below an upper end 213 of the second air chamber 186 in the vertical direction.
[0134] In the present embodiment, the communication port 205 is located above a position which is raised at a distance H1 from the lower end 211. The dimension H1 is a dimension of the communication port 106 in the direction of the geometric axis Z. The communication port 205 is also located below a position that has been decreased by an H2 dimension from the upper end 213. The H2 dimension is a dimension of the communication port 205 in the direction of the Z-axis.
[0135] In the second mode, the direction of the geometric axis Z corresponds to a direction that intersects with the horizontal direction, the storage section 181 corresponds to a liquid storage section, the ink injection section 101 corresponds to a section for liquid injection, opening 128 corresponds to a liquid injection port, the second air chamber 186 corresponds to an air chamber and the communication port 107 corresponds to a connection port. The air communication port 115, the first air chamber 184 and
51/62 the first communication passage 185 corresponds to an air intake system. The second communication passage 187 corresponds to a communication passage and the envelope 171 corresponds to a envelope member. The second wall 82 and the third wall 83 correspond to two internal walls facing each other along the ribs. One between the third passage 153 or the fifth passage 155 corresponds to a first portion and the other between the third passage 153 and the fifth passage 155 corresponds to a second portion.
[0136] In the second modality, effects similar to those of the first modality are also obtained. In the second embodiment, as determined above, the communication port 205 is located above the lower end 211 of the second air chamber 186 (Figure 16). For this reason, when, for example, ink flowed from storage section 181 into the second air chamber 186 through the second communication passage 187, it is easy to avoid a case where the ink that flowed into the second air chamber 186 ends up arriving directly at the communication port 205. In other words, the ink that flowed from the storage section 181 into the second air chamber 186 through the second communication passage 187 is promptly interrupted inside the second chamber of air 186. As a result, it is easy to further avoid a case where the ink inside the storage section 181 seeps out from the air communication port 115 to the outside of the tank 9B.
[0137] Also, in the second embodiment, as determined above, the communication port 205 is located below the upper end 213 of the second air chamber 186 (Figure 16). For this reason, when the vertical orientation of the tank 9B is reversed in a state where, for example, ink flowed from storage section 181 into the second air chamber 186 through the second communication passage 187, then it is easy to avoid a case where
52/62 ink inside the second air chamber 186 can reach directly at the communication port 205. In other words, even in a state where the vertical orientation of the tank 9B has been inverted, the ink has flowed from the storage section 181 into the second air chamber 186 through the second communication passage 187 is readily interrupted within the second air chamber 186. As a result, it is easy to avoid yet another case in which the ink inside the storage section 181 leaks out from the air communication port 115 to the outside of tank 9B.
[0138] Furthermore, in the second embodiment, as determined above, the communication port 205 is located above the position that is raised by the dimension H1 from the lower end 211. According to this configuration, when, for example, the ink flowed from the storage section 181 into the second air chamber 186 through the second communication passage 187, it is easy to avoid a case where the ink that flowed into the second air chamber 186 ends up moving along the fifth wall 85 from the communication port 106 and arrive directly at the communication port 205. In other words, the ink that flowed from the storage section 181 into the second air chamber 186 through the second communication passage 187 is promptly interrupted inside the second air chamber 186. As a result, it is easy to avoid yet another case where the ink inside the storage section 181 seeps out from the p air communication loop 115 to the outside of tank 9B.
[0139] Also, in the second mode, as determined above, the communication port 205 is located below the position that is reduced by the dimension H2 from the upper end 213. According to this configuration, when the vertical orientation of the tank 9B is inverted in a state where, for example, ink flowed from storage section 181 into the second chamber
53/62 of air 186 through the second communication passage 187, it is easy to avoid a case where the ink inside the second air chamber 186 ends up arriving directly at the communication port 205. In other words, even in a state where the vertical orientation of the tank 9B has been reversed, the paint that has flowed from the storage section 181 into the second air chamber 186 through the second communication passage 187 is readily interrupted in the air chamber 186. As a result, it is easy to avoid yet another case in which the ink inside the storage section 181 seeps out from the air communication port 115 to the outside of the tank 9B.
[0140] In the second embodiment, the ninth wall 191 is located on the side of the eighth wall 88 more than the fifth wall 85, as shown in Figure 17. In another view, the ninth wall 191 is located vertically above the fifth wall 85. In other words, the height of the ninth wall 191 from the fourth wall 84 is greater than the height of the fifth wall 85 from the fourth wall 84. The tenth wall 192 is provided between the ninth wall 191 and the fifth wall 85 This configuration causes a recess 221 to be configured in the storage section 181. The recess 221 is provided in an orientation so as to be concave towards the side of the eighth wall 88 more than the fifth wall 85, that is, in direction + direction of the side of the geometric axis Z more than the fifth wall 85. In the recess 221, the communication port 107 is provided in a position that faces the tenth wall 192. For this reason, the communication port 107 is located in side of the ninth wall 191 more than the fifth wall 85. In another view, the communication port 107 is located vertically above the fifth wall 85. In the second embodiment, the recess 221 corresponds to an upper region.
[0141] As determined above, the opening 128 (Figure 7) of the ink injection section 101 is provided for the fifth wall 85, as in the first
54/62 modality. For this reason, the communication port 107 is located above the opening 128 (Figure 7) in the direction of the geometric axis Z. According to this configuration, the ink within the storage section 181 will arrive less readily at the communication port 107. For this reason, the possibility that the ink within the storage section 181 may flow into the second communication passage 187 is reduced. As a result, the possibility that the ink inside the storage section 181 can reach the second air chamber 186 can be reduced and, therefore, the possibility that the ink inside the storage section 181 may leak out of the tank 9B a from the second air chamber 186 through the first communication passage 185 and the first air chamber 184 can be reduced.
[0142] In addition, as illustrated, for example, in Figure 17, it is conceivable that when the ink is being injected from the ink injection section 101, the liquid level of the ink inside the tank 9B may end up reaching the fifth wall 85. When the liquid level of the ink reaches the fifth wall 85, then the ink reaches the opening 128 of the ink injection section 101. In tank 9B, even in such a case, the air space is still maintained in the recess 221. When cap 143 is implanted after injection, as shown in Figure 18, then it is believed that there will be higher pressure inside storage section 181 and the liquid level of the ink will increase in the recess 221. In the tank 9B, the air gap is still present in recess 221, even when such a case occurs and, therefore, the raised liquid surface will arrive less readily at the communication port 107. For this reason, compared to the first mod As a matter of fact, it is easy to prevent even more the ink inside the storage section 181 from flowing from the communication port 107 into the second communication passage 187. As a result, it is easy to avoid yet another case where the ink inside the storage section 181 leaks out from the air communication port
55/62
115 to the outside of tank 9B.
[0143] In the present embodiment, the volume of the recess 221 is greater than the volume, outside the space surrounded by the side wall 129 of the ink injection section 101, in which the cap 143 is fitted. This makes it possible, even though the cap 143 can be mounted in a state where the space that is surrounded by the side wall 129 is filled to capacity with ink, to use the volume of the recess 221 to capture the amount of ink that is pressed into storage section 181 through cover 143. As a result, even though the space that is surrounded by side wall 129 can be filled to capacity with ink, the ink within storage section 181 will reach the storage door less readily. communication 107. As a result, it is easy to prevent even more the ink inside the storage section 181 from flowing into the second communication passage 187 from the communication port 107. As a result, it is easy to avoid yet another case where the ink inside the storage section 181 seeps out from the air communication port 115 to the outside of the tank 9B.
[0144] The mode described above illustrates an example in which tank 9B consists of wrap 171 and leaf member 63, however, the configuration of tank 9B is not limited to this. An example in which, for example, envelope 171 is made up of a plurality of members can also be employed as the tank configuration 9B. Examples in which shell 171 is made up of a plurality of members include an example in which the first wall 81 of shell 171 is made up of another member. Furthermore, examples in which the first wall 81 of envelope 171 is made up of another member include an example in which the first wall 81 is made up of a leaf member different from leaf member 63. This example can be a configuration in which the wrap 171 is sandwiched between the leaf member 63 and the other leaf member
56/62 sheet. Tank 9B can be configured by this configuration, too.
[0145] In the second embodiment described above, as well as in the first embodiment, the configuration in which the slope 168 shown in Figures 11A and 11B has been added to the buffer chamber 188 can also be employed. According to this configuration, as in the first embodiment, the amount of ink remaining in the buffer chamber 188 can also be further reduced and, therefore, the waste of the ink can be further mitigated.
[0146] In each of the above embodiments, the plurality of tanks 9 is not embedded in the first wrap 3 covering the mechanism unit 10. In other words, each of the above embodiments employs a configuration in which the plurality of tanks 9 is disposed on the outside of the first wrap 3. A configuration in which the plurality of tanks 9 is embedded in the first wrap 3, however, can also be employed. Below, a configuration in which the plurality of tanks 9 are embedded in the casing will be described, using the example of a multifunctional peripheral, which is an example of a liquid jet apparatus.
[0147] A multifunctional peripheral 500 in the present embodiment has a printer 503 and a scanning unit 505, as shown in Figure 19. In the multifunctional peripheral 500, the printer 503 and the scanning unit 505 are stacked on top of each other. In the state in which the printer 503 is used, the scanning unit 505 is located vertically above the printer 503. Here, in Figure 19, the geometry axes XYZ, which are coordinate geometry axes, are orthogonal to each other. The XYZ geometry axes were assigned, when necessary, to the drawings subsequently illustrated, as well. The XYZ geometry axes in Figure 19 confirm the XYZ geometry axes in Figure 1, as well as the XYZ geometry axes in Figures 19 and later. On the 500 multifunctional peripheral, the same numerical references are assigned
57/62 that printer 1 to configurations that are similar to printer 1 and a detailed description of it is omitted.
[0148] The scanning unit 505 is of the table type, and has an imaging element (not shown), such as an image sensor, also as a printing roller and a cover. Through the imaging element, a scanning unit 505 can read an image that has been recorded on a medium, such as paper, as image data. For this reason, the scanning unit 505 functions as a device for reading images and the like. The scan unit 505 is configured to rotate with respect to a wrap 507 of the printer 503, as shown in Figure 20. A surface on the print side 503 of the print roll of the scan unit 505 covers the wrap 507 of the printer 503 and it also has a function as a cover for the 503 printer.
[0149] The 503 printer is capable of printing on the P media of the printing paper or similar with the use of ink, which is an example of a liquid. The printer 503, as illustrated in Figure 21, has a wrap 507 also like the plurality of tanks 9, which is an example of a liquid storage container. The wrapper 507 is an integrally formed article that forms an external housing of the printer 503, and houses a mechanism unit 511 of the printer 503. The plurality of tanks 9 is stored is stored within the envelope 507, and each of the plurality of tanks 9 stores ink that is supplied for printing. On the 503 printer, there are four tanks 9 provided. The four tanks 9 have different types of paint between them. The four types of ink black, yellow, magenta and cyan are used as the types of ink in the 503 printer. There is a tank 9 provided for each of the different types of ink.
[0150] The 503 printer also has a 512 operator panel. One button
58/62 from power source 513 another operation button 514 and the like are provided for operator panel 512. The worker who operates the printer 503 can turn to operator panel 512 and in that state operate the power source button 513 or the operation button 514. On the printer 503, the surface on which the operation panel 512 is provided is understood as the front surface. On the front surface of the 503 printer, a window section 515 is provided for the wrapper 507. The window section 515 is optically transparent. The four tanks 9 described above are provided in positions that overlap with the window section 515. For this reason, the worker is able to see the four tanks 9 through the window section 515.
[0151] On printer 503, the locations of each of the tanks 9 that face window section 515 are optically transparent. The inks inside the tanks 9 can be seen from the optically transparent locations of each of the tanks 9. In this way, the visualization of the four tanks 9 through the window section 515 allows the worker to visualize the amount of ink that is in each of the tanks 9. In the printer 503, due to the fact that the window section 515 is provided for the front surface of the printer 503, the operator can turn to the operation panel 512 and, in this state, view each of the tanks 9 from window section 515. For this reason, the worker can check the amount of ink remaining in each of the tanks 9 while also operating the printer 503.
[0152] Printer 503 has print section 41 and supply tubes 43, as shown in Figure 22, which is a perspective view illustrating mechanism unit 511. Print section 41 and supply tubes 43 they have configurations similar to those of the print section 41 and the supply tubes 43 in printer 1, respectively. On printer 503, as well as printer 1, the medium transport mechanism transports the medium
59/62 of printing P along the direction of the geometric axis Y, driving the transport roller 51 with the use of the energy that originates from the motor 53 (not shown). In printer 503, as in printer 1, the head transport mechanism transports the carriage 45 along the direction of the geometric axis X by transmitting the energy that originates from the motor 53 to the carriage 45 through the timing belt 55. A the print head 47 is mounted on the carriage 45. For this reason, the print head 47 can be transported in the direction of the geometric axis X via the carriage 45, by the head transport mechanism. Inks are discharged from the print head 47 while the relative position of the print head 47 in relation to the print medium P is being changed by the media transport mechanism and the head transport mechanism, so that the print is performed on the P.
[0153] In each of the modalities described above, the liquid jet device can be a liquid jet device that consumes a liquid other than an ink by ejecting, discharging or coating with the liquid. A liquid that carries particles, tears or filaments is also understood to be included as a state of a liquid that is transformed into tiny liquid droplets and discharged from the liquid jet apparatus. It is sufficient that the liquid, as referred to in this document, is such a material that it can be consumed with a liquid jet apparatus. For example, it is sufficient that the liquid is a substance when the substance is in the liquid phase, and liquids of high or low viscosity, suns, gel waters and other inorganic solvents, organic solvents, solutions, liquid resins, liquid metals (molten metals ) and other liquid bodies are understood to be included. Not only liquids in the form of a state of a substance, but also solvents in which a functional material composed of a solid matter, such as a pigment or particles of metal has been dissolved or dispersed or the like, are also understood to be included. The examples
Representatives of liquids may include an ink, as described in the above embodiments, a liquid crystal, or the like. In this document, the term ink encompasses a variety of compositions in the form of a liquid, such as water-soluble paints and general oil-soluble paints, as well as gel paints, hot melt paints and the like. Other specific examples of the liquid jet apparatus may include a liquid jet apparatus for ejecting a liquid that contains, in the form of a dispersion or solution, a material, such as an electrode material or colored material that is used, among others. , in the manufacture of liquid crystal screens, electroluminescent (EL) screens, surface emitting screens or color filters. Other examples may include a liquid-jet apparatus for ejecting biological organic material used to make biochips; a liquid-jet apparatus for ejecting a liquid that serves as a sample, used as a precision pipette; or printing device, a microdispenser or the like. Additional examples include: a liquid-jet device to eject a lubricant at points located to a precision machine, such as a watch or camera; or a liquid jet apparatus for ejecting a clear resin solution, such as an ultraviolet curable resin onto a substrate to form, among others, a hemispherical microlens (optical lens) used in an optical communication element or the like. Another example may be a liquid jet apparatus for ejecting an acid or alkaline etching solution to etch a substrate or the like.
NUMERICAL REFERENCE LIST [0154] 1 printer; 3 first wrap; 5 tank unit; 7 second wrap; 9, 9A, 9B tanks; 10 mechanism unit; 11 paper discharge section; 13 front surface; Top surface; 17 operation panel; 18A power button; 18B operation button; 19 side section; 21 window sections; 23 front surface; 25 upper surface; 27 side section; 28 boundary marking
61/62 higher; 29 lower limit marking; 31 mounting screws; 41 printing section; 43 supply tubes; 45 car; 47 print head; 49 retransmission units; 51 transport roller; 53 engine; 55 timing belt; 61 case; 63 leaf member; 64 connecting sections; 65 storage section; 67 communication section; 68 first air chamber; 69 second air chamber; 71 first communication pass; 72 third air chamber; 73 second communication pass; 74 first buffer chamber; 75 second buffer chamber; 81 first wall; Second wall; 83 third wall; 84 fourth wall; 85 fifth wall; 86 sixth wall; 87 seventh wall; 88 eighth wall; 91 recess; 93 ninth wall; 94 tenth wall; 95 eleventh wall; 97 recess; 98 recess; 99 recess; 101 ink injection section; 102, 103, 104 communication port; 105 extended section; 105A, 105B, 105C, 105D local; 106, 107 communication port; 109 recess; 111 wall; 113 supply port; 115 air communication port; 117 groove; 121 recess; 123 recess; 124 recess; 125 twelfth wall; 127, 127A, 127B support sections; 128; opening; 129 side wall; 141 ink; 143 cover; 151 first pass; 152 second pass; 153 third pass; 154 fourth pass; 155 fifth pass; 156 sixth pass; 161 inversion section; 162 bending section; 163 bending section; 164 bending section; 165 inversion section; 166 bending section; 168 slope; 171 case; 181 storage section; 183 communication section; 184 first air chamber; 185 first communication pass; 186 second air chamber; 187 second pass of communication; 188 buffer chamber; 191 ninth wall; 192 tenth wall; 193 eleventh wall; 194 twelfth wall; 201 recess; 202 indentation; 203 recess; 204 communication port; 205 communication port; 206 recess; 211 lower end; 213 upper end; 221 recess; 500 multifunctional peripheral; 503 printer; 505 scanning unit; 507 case; 511 mechanism unit; 512
62/62 operation panel; 513 power source button; 514 operation button; 515 window section; P media

权利要求:
Claims (13)
[1]
1. Liquid jet apparatus comprising a liquid storage container FEATURED by the fact that:
the liquid storage container includes:
a liquid storage section configured to store a liquid;
a liquid inlet portion connected to the liquid storage section and configured to receive liquid in the liquid storage section;
an air communication port communicating with the air;
a communication passage through which the air communication port and the liquid storage section are communicated with each other;
the liquid inlet portion includes an inner end open to the liquid storage section, an outer end open out of the liquid storage section and a side wall extending from the inner end to the outer end.
in a state of use in which the liquid jet apparatus consumes the liquid, a communication port connecting the liquid storage section with the communication passage is located above the inner end;
the liquid storage container additionally includes a lid, which is configured to close the liquid inlet portion in a state that the lid is inserted from the outer end in a space surrounded by the side wall;
the liquid storage section includes an upper region that is above the inner edge in the state of use;
the communication port is provided in the upper region; and the upper region has a volume greater than the volume of a portion of the
[2]
2/4 space in which the cover is inserted.
2. Liquid jet apparatus according to claim 1, CHARACTERIZED by the fact that at least part of the liquid storage section is optically transmissive;
the optically transmissive part has a marking indicating an amount of liquid remaining in the liquid storage section;
in the state of use, the communication port is located above the mark.
[3]
Liquid jet apparatus according to claim 1,
CHARACTERIZED by the fact that:
the liquid storage container additionally comprises:
a wrap member that has a groove and a recess in communication with the groove; and a sheet member that covers the groove and the recess to seal the groove and the recess;
at least part of the communication passage is formed by a space surrounded by the groove and the leaf member.
[4]
4. Liquid-jet apparatus according to claim 3, characterized by the fact that a rib that is convex towards the leaf member is provided within the recess.
[5]
5. Liquid jet apparatus according to claim 4, CHARACTERIZED by the fact that the leaf member is connected to the rib.
[6]
A liquid jet apparatus according to claim 4,
CHARACTERIZED by the fact that the recess has two internal walls facing each other along
3/4 of the rib, and a gap between the rib and an inner wall of the two inner walls is equal to a gap between the rib and the other inner wall of the two inner walls.
[7]
7. Liquid jet apparatus according to claim 4, CHARACTERIZED by the fact that the recess has two internal walls facing each other;
a plurality of ribs are provided within the recess and are aligned along a direction in which the two inner walls are facing each other, and a gap between an inner wall of the two inner walls and the rib that is adjacent to a wall internal in the direction, a gap between the other internal wall of the two internal walls and the rib that is adjacent to the other internal wall in the direction, and a gap of two of the ribs that are adjacent in the direction are all the same.
[8]
8. Liquid jet apparatus according to claim 1, CHARACTERIZED by the fact that it additionally comprises:
a mechanism unit that includes a mechanism portion and configured to perform a printing operation that includes ejecting a liquid, where the mechanism unit and the liquid storage container are covered by a wrap.
[9]
9. Liquid jet apparatus according to claim 8, CHARACTERIZED by the fact that it comprises:
an optically transmissive window section is provided in the wrapper; and the liquid storage container is provided in a visible location through the window section
[10]
A liquid jet apparatus according to claim 2,
4/4
CHARACTERIZED for additionally understanding:
a wrap;
a mechanism unit that includes a mechanism portion configured to perform a printing operation that includes ejecting a liquid; where the liquid storage container is covered by the wrap and is arranged to supply a liquid to a printing section of the mechanism unit through a supply tube; and the liquid storage container is provided in the wrap so that the mark faces the window section.
[11]
11. Liquid jet apparatus according to claim 9, characterized in that it additionally comprises an operator panel, where the operator panel and the window section are provided on a front side of the liquid jet apparatus.
[12]
Liquid jet apparatus according to claim 9, further characterized by comprising a paper unloading section, where the window section is provided on one side on which the paper unloading section is located.
[13]
13. Liquid jet apparatus according to claim 7, characterized in that it further comprises a digitizing unit, where the mechanism unit and the liquid storage container are located below the digitizing unit.

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同族专利:

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公开号 | 公开日

---

RU2015153805A3|2018-04-02|

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PH12015502156B1|2016-01-25|

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CN105150689A|2015-12-16|

---

RU2656797C2|2018-06-06|

---

EP2868473A2|2015-05-06|

---

US20150109386A1|2015-04-23|

---

TWI630122B|2018-07-21|

---

US9834000B2|2017-12-05|

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US20160318307A1|2016-11-03|

---

CN104553339B|2017-08-11|

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TW201520072A|2015-06-01|

---

CN105150689B|2019-03-08|

---

CN104553339A|2015-04-29|

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CN107187207A|2017-09-22|

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EP2868473A3|2016-08-10|

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RU2015153805A|2017-06-21|

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CN107187207B|2019-01-18|

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JP2015080907A|2015-04-27|

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WO2015059928A1|2015-04-30|

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JP6260196B2|2018-01-17|

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PH12015502156A1|2016-01-25|

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MX2015014560A|2016-06-21|

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KR20160074441A|2016-06-28|

---

EP2868473B1|2018-11-14|

---

CN204398531U|2015-06-17|

---

US9403371B2|2016-08-02|

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2021-07-13| B350| Update of information on the portal [chapter 15.35 patent gazette]|

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优先权:

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申请号 | 申请日 | 专利标题

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JP2013219889A|JP6260196B2|2013-10-23|2013-10-23|Liquid container and liquid ejecting apparatus|

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