• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The present invention relates to a timepiece whose movement drives at least two cams (10a, 10b, 10c) at speeds corresponding respectively to at least two indications to be displayed. To take the indication given by one of said cams (10a, 10b, 10c), a lever (22a, 22b, 22c) per cam (10a, 10b, 10c) cooperates with a cam (10a, 10b, 10c) through its feeler (24a, 24b, 24c). Each lever (22a, 22b, 22c) includes a guide member (28a, 28b, 28c) arranged to cooperate with a timing system and to toggle the lever (22a, 22b, 22c) between an on state and a off state. The synchronization system comprises a pinion (18). Rakes (26a, 26b, 26c) engage with this pinion (18) when their respective lever (22a, 22b, 22c) is in the activated state. In addition, a kinematic display chain is in permanent engagement with this pinion (18). The invention allows the sequential indication of several information by means of a single display.
    公开号:CH709538B1
    申请号:CH00586/14
    申请日:2014-04-16
    公开日:2018-05-31
    发明作者:Bougard Vincent；Lété Patrick；Clement Xavier
    申请人:Hublot Sa；
    IPC主号:
    专利说明:

    Description TECHNICAL FIELD [0001] The present invention relates to the field of watchmaking. It relates, more particularly, to a timepiece comprising a clockwork movement, and at least a first and a second cams intended to be driven by the movement at a speed respectively corresponding to a first and a second indication.
    STATE OF THE ART [0002] Several types of watchmaking mechanisms are known, in which cams are driven by the movement so as to provide information relating to an indication to a set of feelers. For example, for displays of the retrograde type, a needle is generally positioned by a rocker which, at one end carries a rake kinematically connected to a wheel integral with the needle, and at another end carries a probe held in contact with a cam by an elastic member. The shape of the cam is defined so that the needle moves retrograde next to a scale corresponding to the indication to be displayed. Some pieces include several retrograde displays of this type, to display, for example, the hour, the minute and the date. All these displays are offered simultaneously and are independent.
    In another application, the minute repeats also include an hour cam, a quarter cam and a minute cam, intended respectively to position an hour ringing part, a quarter ring part and a ringing part. minutes, so that each of them produces a bell whose number of hits matches, respectively, the time, quarter and minutes compared to a quarter of the current time.
    The present invention aims to propose a new use of cams driven by the movement and giving information relating to an indication, to provide a new system to indicate sequentially one or the other of the indications. , by means of a single display.
    Disclosure of the invention [0005] More precisely, the invention relates to a timepiece comprising: - a clockwork movement, - at least a first and a second cam intended to be driven by the movement at a speed corresponding respectively to a first and a second indication, - a synchronization system comprising: - a drive board operable by a control device, o a pinion, o a selection wheel interacting with the drive board, - the minus first and second levers, each lever comprising: a probe capable of cooperating with one of the first and second cams to take information relating to the indication respectively given by said cam, a rake capable of coming into engagement with the pinion, o a guide element arranged to cooperate with the selection wheel and move the lever from one to the other of a state activated in which its rake is engaged with said pinion and a deactivated state in which its rake is disengaged from said pinion, - a kinematic display chain comprising a mobile in permanent engagement with the pinion and connected to a display device .
    Another aspect of the invention relates to a timepiece comprising: - a watch movement, - N cams intended to be driven by the movement at a speed corresponding to a respective indication, - a synchronization system comprising : o a drive board actuated by a control device,
    a mobile frame in rotation, integral with the drive board and arranged to be driven at the rate of N no 3607N o a pinion mounted free on the axis of rotation of the frame, - at least one lever pivotally mounted on the frame and comprising: a probe capable of cooperating with one of the N cams to take information relating to the indication respectively given by said cam, a rake engaged with the pinion, a kinematic display chain comprising a differential and connecting the pinion and a display device.
    BRIEF DESCRIPTION OF THE DRAWINGS [0007] Other details of the invention will appear more clearly on reading the description which follows, given with reference to the appended drawing in which: FIG. 1 is a top view for viewing a timepiece according to the invention; fig. 2 is a sectional view of an element of the timepiece according to the invention; figs. 3 and 4 represent a part of the elements of the timepiece according to the invention, in two positions that these elements can take; figs. 5 and 6 show another part of the elements of the timepiece according to the invention, also in two positions that these elements can take: FIG. 7 shows an example of implementation of the timepiece according to the invention; figs. 8 and 9, 10a, 10b, 10c, 10d and 10e show different mechanisms for implementing the example of FIG. 7, and FIG. 11 shows another embodiment for solving the same technical problem.
    Embodiment of the Invention [0008] FIG. 1 the particular elements of the present invention. For the sake of clarity, common parts known to those skilled in the art have not been shown. The timepiece that will be described below, can display different indications by means of a single display. The present application relates to the mechanism for transmitting to the display, information relating to the indication to be displayed.
    Thus, the invention relates to a timepiece with a watch movement, provided with a power source, a work train, an exhaust and a regulator. This movement causes at least a first and a second cams to be driven by the movement at a speed respectively corresponding to a first and a second indications. In the proposed example, there are three cams, a first 10a for displaying the minutes, a second 10b for displaying the hours and a third 10c for displaying the date. The shape of the cams can be adapted according to the speed of rotation that the movement prints them. Thus, the hour cam 10b rotates in 24 hours and has two symmetrical spiral parts for display in 12 hours. The minute cam 10a performs one revolution per hour and has a single spiral. The date cam 10c performs, in the particular example, one revolution per month but has two cam parts for a date display in a first sequence of 1 to 15 and a second sequence of 16 to 31, as will be detailed here. -after. The shape of the cams and the drive speeds given in the example are not limiting and the skilled person can adapt them.
    The timepiece according to the invention further comprises a synchronization system comprising a drive board 16 operable by a control device not shown, a pinion 18 and a selection wheel 20 interacting with the drive board .
    In an advantageous configuration described below, the synchronization system is a synchronizing mobile 12 having a shaft 14 carrying the drive board 16 integral with the shaft 14 and operable by a control device, not shown. . This control device is arranged so as to act on the drive board 16 to cause rotation of the synchronizing wheel 12. The control device can be manual, and be actuated typically by the action of a push on a flip-flop, terminated by a pawl that can advance the drive board 16 by one step. Alternatively, the control device could be automatic, with a wheel driven by the movement and periodically driving the drive board.
    The synchronizing mobile 12 also carries the pinion 18 mounted freely on the shaft and the selection wheel 20 integral with the shaft 14 whose role will be detailed below. The skilled person may consider other configurations to achieve the synchronization system, without the need to describe them.
    To interact with the cams 10a, 10b and 10c, the timepiece according to the invention comprises at least a first and a second lever, in this case three, 22a, 22b and 22c, in the proposed example . Each lever is respectively associated with a cam and comprises: a feeler 24a, 24b, 24c capable of cooperating with the periphery of its respective cam to take information relating to the indication given by said cam 10a, 10b, 10c, a rake 26a, 26b, 26c engageable with the pinion 18, - a guide member 28a, 28b, 28c arranged to cooperate with the selection wheel 20.
    Each lever 22 is capable of occupying an activated state in which its rake 26 is engaged with the pinion 18, and a deactivated state in which its rake 26 is disengaged from said pinion 18. By cooperating with the guide element 28, the selection wheel 20 makes it possible to move the lever 22 from its activated state to its deactivated state, and vice versa.
    Each lever 22a, 22b, 22c is respectively associated with a resilient member 30a, 30b, 30c exerting on it a force tending to bring the probe 24a, 24b, 24c in contact with its respective cam 10a, 10b, 10c. The levers 22 are dimensioned so that when a lever is resting on its respective cam 10, its rake 26 is engaged with the pinion 18, that is to say that the lever 22 is in its state activated.
    The timepiece according to the invention also comprises a kinematic display chain comprising a mobile in permanent engagement with the pinion 18, and connected to a display device 32. As can be seen better in FIG. . 3, the mobile may be formed of a display rocker 34 comprising a first rake engages the pinion 18. This rocker also comprises a second rake, meshing with an intermediate lever 36, itself engaged with a wheel 38 of the display device 32 which will be described later. The amplitude of the displacements of the display rocker 34 can be controlled by means of a stop 40, which makes it possible to limit the maximum position of the display device.
    As best shown in Figs. 5 and 6, the selection wheel 20 comprises a guide structure, adapted to cooperate with the guide element 28 of the levers 22, to constrain the latter in their deactivated state, against their respective elastic member 30. The guide structure advantageously comprises a recess 42 formed on one face of the selection wheel 20. This recess 42 defines an inner wall 42a and an outer wall 42b opening.
    The selection wheel 20 comprises at least one deactivating member arranged to cross, when the selection wheel 20 is rotated, the guide element 28 of the levers 22 when they are in their activated state, and bringing the guide element 28 into the guide structure, in order to bring them into their deactivated state. Advantageously, the deactivating member is an inclined plane 44 extending the outer wall 42b of the recess 42.
    Thus, the selection wheel 20 is arranged to activate sequentially the levers 22, a single lever being at most activated simultaneously.
    In operation, Figs. 4 and 5 show the mechanism with the lever 22c in the activated state. The guide element 28c of this lever is not housed in the recess 42 and the elastic member 30c brings the probe 24c in contact with its cam 10c. The rake 26c is engaged with the pinion 18, which has the consequence that the display rocker 34 transmits information related to the indication of the cam 10c. The guide elements 28a and 28b of the other levers 22a and 22b are housed in the recess 42 and are in their deactivated state: they are not in contact with their cam 10a and 10b and the rakes 26a and 26b are disengaged from the pinion 18 .
    By rotating the synchronization wheel 12 via the control device, the inclined plane 44 of the disabling member crosses the guide member 28c and brings it back into the recess 42. Momentarily, when changing the information, the pinion 18 is no longer engaged with any of the levers 22, the display is no longer subject to the elastic members 30. It may advantageously provide a spring system acting on the display device, against the elastic members, in order to position transiently and unstabilized, the display in a waiting position, between two information changes.
    Continuing the rotation of the synchronization mobile 12, another lever goes into its activated state, transmitting to the display device information related to the indication of the next cam. The other levers are disabled. Thus, the display device can successively give information relating to several indications.
    We can imagine an alternative system to that just described to bring to the display device 32 one of several information available. Thus, in fig. 11, the synchronization system comprises a frame 200 rotatably mounted, integral with a non-visible drive board. The chassis 200 is arranged to be driven at a rate of N no 3607N. A pinion 218 is mounted free on the axis of rotation of the frame. At least one lever 222 comprising a feeler 224 and a rake 226 engaged with the pinion 218, is pivotally mounted on the frame. The system further comprises N cams 210, driven and shaped respectively according to the information they represent. Depending on the angular position of the frame 200, the probe of the lever 222 cooperates with one or the other of the cams 210 and transmits information corresponding to the pinion 218. The rake being in permanent engagement with the pinion, it will be possible to introduce a differential between the pinion and the display device, in order to subtract the angle traveled by the frame during a change of information to display.
    In a particularly interesting way, the display device 32 proposed to be associated with the selection mechanism described above, comprises a single index 50 movably mounted in translation opposite several scales. These scales are respectively arranged on display faces of a prism 52, rotatably mounted along a longitudinal axis. The display faces being arranged parallel to the longitudinal axis. According to the example proposed in FIG. 7, the proposed prism 52 is of square section and therefore comprises four faces.
    One can, with such a display, indicate the hour, the minute, the date, a moon phase, a second time zone, provide a day / night indication, or an indication of the power reserve. Two faces can be used to display the same indication, such as the date, as mentioned above, with a face for days from 1 to 15 and a face for days 16 to 31.
    The display device 32 comprises, advantageously: a mechanism for controlling and positioning the prism 52, arranged so as to activate one or the other of the display faces, a positioning mechanism of the index 50, able to position said index 50 according to the information to be displayed.
    As will be detailed below, the control mechanism and the positioning mechanism are synchronized.
    The positioning mechanism of the index 50 may be the mechanism described above, the wheel 38 driven by the intermediate lever 36 being a sun wheel, around which is rotatably mounted a satellite 54. More specifically, the wheel 38 pivots about its axis and carries an arm 56, rigidly connected to it, on which is mounted the satellite 54. The latter is engaged with a fixed toothing 58 concentric with the sun gear. In a particularly advantageous manner, the diameter of the sun gear is equal to half the diameter of the fixed toothing 58. In this particular configuration, if the index 50 is available on the nominal diameter of the satellite 54, then, when the sun gear is driven in rotation, the index 50 moves in a rectilinear path, passing through a diameter of the fixed toothing 58.
    To improve the visibility and guidance of the index 50, it can be achieved by means of a carriage 60 mounted on the nominal diameter of the satellite 54 and guided on a slide 62 positioned on a diameter of the toothing. fixed 58, parallel to the axis of rotation of the prism 52.
    The satellite 54 can also be kinematically connected to a balancing mechanism 70, to compensate for the displacement of the center of gravity of the arm during its movements. This balancing mechanism 70 is provided with a flyweight 72 capable of being rotated with respect to an axis 74, the flyweight 72 being mounted off-center with respect to this axis 74.
    For the drive of the flyweight 72, it can be provided that the satellite 54 comprises a second board 76, itself engaged with a first reference 78, coaxial with the sun gear, which meshes with a second reference 80 causing a toothing 72a integral with the weight 72. The spring system acting on the display device and mentioned above, may be a spring 82, for example spiral type, acting on the flyweight 72. Thus, as can be seen on fig. 3 and 4, when the satellite 54 traverses the fixed toothing 58, the flyweight 72 pivots about its axis 74 in a movement generally inverse to the displacement of the satellite 54.
    To control the rotation of the prism 52, the mechanism for controlling and positioning the prism, better visible in FIGS. 8, 9 and 10 comprises: - a control cam 90 whose periphery defines several radii with reference to a point of rotation, and - a control flip-flop 92 having a probe held in abutment against the periphery of the steering cam 90 and provided with a rake kinematically connected to a not shown gear, mounted integral with the prism 52 and centered on the axis of rotation of the prism 52.
    The rake of the flip-flop 92 can be connected with a mobile 94, which meshes perpendicularly with the pinion of the prism 52. Depending on the radius palpated by the flip-flop 92, one or the other of the faces prism 52 is offered in the view of the user.
    The control cam 90 is advantageously mounted integrally on the shaft 14 of the synchronizing wheel 12, which coordinates the position of the index 50 as a function of the activated cam 10, according to the mechanism described above. , with the face of the prism 52 which is also activated.
    权利要求:
    Claims (15)
    [1]
    For the case where information is indicated on two sides of the prism 52, it must be possible to rotate the prism 52 independently of the lever, according to the example the lever 22c, whether it is in its activated state or not, in order to keep the surprise position synchronized with the information to be displayed. To do this, the control cam 90 includes a retractable surprise 96, capable of providing an additional radius with which the control flip-flop 92 is capable of cooperating. Surprise 96 is actuated automatically by a drive rocker 98, driven periodically, as shown in Figs. 10a, 10b and 10c. More precisely, and as is also visible in FIG. 2, the surprise 96 is secured to a driving star 100, with which can cooperate an actuating finger 102 that includes the drive rocker 98, which is pivotally mounted on the axis of the lever 22c which is capable of provide the information to display. Thus, in the case where it is the date which is indicated on two sides of the prism 52, the lever 22c is made in two parts, pivoting along the same axis, but free one with reference to the other . The lever 22c thus comprises a first element 122c comprising the probe 24c, on which the spring 30c exerts a force tending to maintain it in abutment against the cam, in this case the date cam 10c. The actuating finger 102 is pivotally mounted on this first element. The lever 22c also comprises a second element 124c comprising the rake 26c and the guide element 28c, so that the rake is activated when the guide element 28c does not cooperate with the selection wheel 20. A spring , for example similar to the spring 30c, is further arranged to exert on the second element 124c, a force tending to maintain it in abutment, against a stop 126 disposed on the first element 122c. Thus, when the second element 124c is not positioned by the selection wheel 20, it is made integral with the first element 122c by abutment on this first, so that the two elements are moved by the probe support 24c against the cam 10c, as if the lever was in one part. Thus, the date cam 10c, as indicated above, comprises two similar portions, so that the index 50 moves in two round trips during a cycle of 31 days. When the first member 122c of the lever 22c drops when the cam is driven in the clockwise direction, the actuating finger 102 drives the drive star 100 by one step and presents the surprise 96 to the control lever 92 (FIG. 9). This actuation takes place regardless of whether or not the lever 22c is activated. If the lever 22c is activated, then the second element 124c moves simultaneously to the first element, moving the index 50. If the lever 22c is not activated, then the first element 122c remains driven by the cam 10c, while the second member 124c is positioned by the guide member 28c. In some cases, and depending on the information to be indicated, the surprise 96 must not be activated when the cam is driven in the counterclockwise direction, during a correction. This is the case for example with a GMT indicating cam which must be inactive compared to the surprise in case of setting the time anti-clockwise. This safety function is provided by an insulator 110 mounted on the cam. It comprises a lug 112 for each portion of the cam, in this case, two with reference to the example of FIGS. 11. The drive rocker 93 comprises a second finger 113, and a spring 114 exerts on the actuating finger 102 a force tending to press the second finger 113 against a pin 112. The lever 22c may also include a pin limiting 116, arranged to cooperate with the actuating finger 102 to limit the action of the spring 114. Thus, in normal operation, when the lever 22c drops, the drive rocker 98 is positioned on one of the lugs 112 and follows a path during which it actuates the drive star 100. If the cam is driven counter-clockwise, then the drive rocker 98 is no longer positioned on a pin 112, which also rotated. The position of the actuating finger 102 is then defined by the positioning pin 116 (Fig. 10c). It can then actuate the drive star 100. Thus, for the operation of the display device, the angular positions of the selection wheel 20 and the control cam 90 are indexed, to have a synchronization information transmitted by the index 50 and the face of the prism 52 provided by the display device. When one of the levers 22 is activated as described above, the intermediate lever 36 positions the index 50 along the slide, with reference to the scale proposed by the prism 52 When this lever is activated, the control cam 90 actuates its rocker and drives the prism 52 in rotation so that the ad-hoc face is simultaneously activated. claims
    1. Timepiece comprising: - a watch movement, - at least first and second cams intended to be driven by the movement at a speed respectively corresponding to a first and a second indication, - a synchronization system comprising a drive plate (16) operable by a control device, a pinion (18), a selection wheel (20) interacting with the driving board (16), at least a first and a second lever, each lever comprising: a probe capable of cooperating with one of the first and second cams to take information relating to the indication respectively given by said cam, a rake (26) capable of coming into contact with the pinion (18), o a guide element (28) arranged to cooperate with the selection wheel (20) and move the lever to each other of an activated state in which its rake is engaged with with said pinion (18) and a deactivated state in which its rake (26) is disengaged from said pinion (18), - a kinematic display chain comprising a mobile (34) in permanent engagement with the pinion (18) and connected to a display device (32).
    [2]
    2. Timepiece according to claim 1 wherein the synchronization system is a synchronization wheel (12) having a shaft carrying the drive board (16) and the selection wheel (20) mounted integral with the shaft, the pinion (18) freely mounted on the shaft.
    [3]
    3. Timepiece according to one of claims 1 and 2, characterized in that the selection wheel (20) is arranged to activate sequentially the levers (22), a single lever being at most activated simultaneously.
    [4]
    4. Timepiece according to claim 3, characterized in that the selection wheel (20) comprises a guide structure, adapted to cooperate with said guide element (28) of the levers, to constrain the latter in their deactivated state. against a first elastic member (30) exerting on each lever a force tending to bring them into their activated state, and in that said selection wheel (20) comprises at least one deactivating member arranged to cross when the selection wheel (20) is rotated, the guide element of the levers (22) when in their activated state, and bringing said guide member into the guide structure.
    [5]
    5. Timepiece according to claim 4, characterized in that said guide structure comprises a recess (42) defining an inner wall (42a) and an outer wall (42b) opening, said recess being formed on one side of the selection wheel and in that the deactivating member is an inclined plane (44) extending the outer wall of the recess.
    [6]
    6. Timepiece according to one of the preceding claims, characterized in that the display device comprises an index (50) mounted to move in translation opposite several scales, and in that said scales are respectively arranged on display faces of a prism (52), said prism (52) being rotatably mounted along a longitudinal axis, said display faces being disposed parallel to said longitudinal axis.
    [7]
    7. Timepiece according to claim 6, characterized in that the display device is arranged to indicate more information, each information corresponding to at least one scale, each scale being disposed on a display face.
    [8]
    8. Timepiece according to claim 7, characterized in that the display device comprises: a mechanism for controlling and positioning the prism (52), arranged so as to activate one or the other of the faces. display, - a positioning mechanism of the index (50), able to position said index (50) according to the information to be displayed, and in that the control mechanism and the positioning mechanism are synchronized.
    [9]
    9. Timepiece according to one of claims 6 to 8, characterized in that the index (50) is arranged on the nominal diameter of a satellite (54) rotatably mounted around a sun wheel (38). ) kinematically connected to the positioning mechanism of the index (50) and engaged with a fixed toothing (58) concentric with the sun wheel, the diameter of the sun wheel being equal to half the diameter of the fixed toothing (58) .
    [10]
    10. Timepiece according to claim 9, characterized in that the index (50) is further mounted on a slide (62) positioned on a diameter of the fixed toothing (58).
    [11]
    11. Timepiece according to one of claims 9 and 10, characterized in that the satellite (54) is also kinematically connected to a balancing mechanism (70) having a weight (72) likely to be driven in rotation relative to an axis and mounted off-center with respect to this axis.
    [12]
    12. Timepiece according to one of claims 8 to 11, characterized in that the mechanism for controlling and positioning the prism (52) comprises: a control cam (90) whose periphery defines several reference radii at a point of rotation, - a control rocker (92) provided with a probe held in abutment against the periphery of the control cam (90) and provided with a rake kinematically connected to a pinion mounted integral with the prism (52 ) and centered on the axis of rotation of the prism (52).
    [13]
    13. Timepiece according to claim 12, characterized in that the control cam (90) comprises a retractable surprise (96), capable of providing an additional radius to said control cam (90).
    [14]
    14. Timepiece according to claim 13, characterized in that the retractable surprise (96) is actuated automatically by a drive rocker (98), driven periodically.
    [15]
    15. Timepiece comprising: - a clockwork movement, N cams intended to be driven by the movement at a speed corresponding to a respective indication, a synchronization system comprising: o a drive board actuated by a control device; ordered. a frame movable in rotation, integral with the drive board and arranged to be driven at the rate of N no 3607N o a pinion (218) mounted free on the axis of rotation of the frame, at least one lever pivotally mounted on the chassis and comprising: a probe capable of cooperating with one of the cams N to take information relating to the indication respectively given by said cam, a rake (26) engaged with the pinion (218), a chain kinematic display comprising a differential and connecting the pinion (18) and a display device (32).
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    同族专利:
    公开号 | 公开日
    CH709538B8|2018-07-31|
    CH709538A2|2015-10-30|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    法律状态:
    2016-08-15| PCOW| Change of address of patent owner(s)|
    2016-08-15| NV| New agent|Representative=s name: E-PATENT S.A., CH |
    2018-03-15| PUE| Assignment|Owner name: HUBLOT SA, CH Free format text: FORMER OWNER: CHRONODE SA, CH |
    2018-03-15| NV| New agent|Representative=s name: GEVERS SA, CH |
    2018-06-15| PK| Correction|Free format text: RECTIFICATION INVENTEUR |
    2018-07-31| PK| Correction|Free format text: CORRECTION DE L'INVENTEUR |
    2019-06-14| NV| New agent|Representative=s name: BOVARD SA NEUCHATEL CONSEILS EN PROPRIETE INTE, CH |
    优先权:
    申请号 | 申请日 | 专利标题
    CH00586/14A|CH709538B8|2014-04-16|2014-04-16|Timepiece.|CH00586/14A| CH709538B8|2014-04-16|2014-04-16|Timepiece.|
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