专利摘要:
The invention relates to a date setting of a calendar of a watch, with a switching lever 4 which can be driven pivotably about a pivot axis 5 between a normal position and a pivot position once every twenty-four hours. With a button 25, which is attached to a monthly curve 27 of a month ring 20 rotatable about an axis of rotation 21, which represents the twelve months of a year and, depending on the number of days in a month, has a greater or lesser distance from the axis of rotation 21 of the month ring 20 as well as with one step per month and one revolution per year can be driven rotatably. With a rotatably mounted date wheel 14 having thirty-one teeth or a multiple thereof. With a pawl tooth 11, spring-loaded radially towards the date wheel 14, a pawl 9 articulated on the shift lever 4 and radially engaging in the tooth gaps of the date wheel 14, through which the pivoting movement of the shift lever 4 from the normal position into the pivot position, the date wheel 14 can be rotated in daily steps by thirty-one daily positions per revolution.
公开号:CH712616B1
申请号:CH00746/17
申请日:2017-06-07
公开日:2021-07-30
发明作者:Geyer Burkhard
申请人:Lange Uhren Gmbh;
IPC主号:
专利说明:

The invention relates to a date setting of a calendar of a clock, with a shift lever that is pivotable about a pivot axis between a normal position and a pivot position once every twenty-four hours, with a button that is rotatable about an axis of rotation on a monthly curve Monthly ring is attached, which represents the twelve months of a year and, depending on the number of days in a month, has a greater or lesser distance to the axis of rotation of the month's ring and can be rotated with one step per month and one revolution per year, with a thirty-one or a multiple of them having teeth rotatably mounted date wheel, with a pawl tooth, spring-loaded radially towards the date wheel, of a pawl articulated on the shift lever, which can be radially engaged in the gaps between the teeth of the date wheel, with the pawl and the pivoting movement of the shift lever from the normal position into the pivoted position , the The date wheel can be driven rotatably by the engaging ratchet tooth in daily steps by thirty-one daily positions per revolution.
The object of the invention is to provide a date setting of a calendar of a clock of the type mentioned, which is simple and easy to assemble with a small number of components.
This object is achieved in that a date backdrop extends radially outside of the tip circle of the date wheel along part of the date wheel, on which the ratchet tooth is in contact in the normal position of the shift lever, the ratchet tooth being pivoted into the pivot position away from the date setting and radially engaging in a tooth gap of the date wheel and the date wheel can be further rotated by a day step and by pivoting the lever from the pivot position into the normal position, the ratchet tooth can be moved out of engagement with the date wheel and in contact with the date setting.
Through this training, a daily advance of the date wheel takes place with a few simple components by pivoting the shift lever from the normal position to the pivot position, especially driven by the clock mechanism, the ratchet tooth from the date setting down into engagement with the teeth of the date wheel slides and turns the date wheel one day step further.
Is with a rotary movement of the date wheel after a thirtieth day position of a thirty-day month detected by the button on the monthly curve of the pawl tooth radially engaged in a tooth gap of the date wheel and the date wheel can be further rotated by two daily steps and by pivoting the lever out of the pivot position In the normal position of the ratchet tooth, out of engagement with the date wheel and in contact with the date backdrop, no manual switching to the first day position of the next month is required for a month with thirty days after the thirtieth day position of the date wheel, but instead a direct switching takes place automatically on the first day position of the following month.
This is done in a simple way if the date backdrop can be moved by a day step against the direction of rotation of the date wheel during the rotation of the date wheel after the thirtieth day position of a thirty-day month detected by the button on the monthly curve.
In a simple embodiment, the date backdrop can be arranged at a first end region of a two-armed first date lever pivotable about a date lever axis, which counteracts the lever kinematics by one day step by one of the button and one on the date wheel at a distance from the date wheel axis movably drivable lever kinematics the direction of rotation of the date wheel can be pivoted about a date lever axis, the lever kinematics being movable by the button between a thirty-day month position and a thirty-one day month position.
The lever kinematics can have a two-armed, pivotable about a second axis of rotation second date lever, on the first arm of which the button is arranged on the monthly curve and the second arm is hinged to one end of a third date lever, the second end of the third date lever is hinged to the second end of the first date lever.
If the third date lever of the lever kinematics has a ramp directed radially to the axis of rotation of the date wheel, which protrudes in the thirty-day monthly position of the lever kinematics in the circumferential area of the cam and in the thirty-one-day monthly position of the lever kinematics from the circumferential area of the cam is pivoted, the third date lever being pivoted about its articulation on the second date lever by the cam running up against the ramp in the thirty-day month position of the lever kinematics, that the first date lever is pivoted from the third date lever by a day step against the direction of rotation of the date wheel is pivotable about a date lever axis, the resulting change in the position of the date backdrop enables the ratchet tooth to slide into the toothing of the date wheel earlier by one day, thus turning the date wheel by two days.
For a simple pivot drive of the shift lever it leads when the shift lever has a radial shift lever arm which can be acted upon by a drive arm rotating about a drive axis of rotation and can be moved from its normal position into its pivot position once every twenty-four hours against a spring force.
For a simple rotary drive of the monthly curve by one step per month, a drive train can be driven by the date wheel, from which in turn the monthly ring can be driven rotatably with one step per month.
A date display of the clock can be driven by the date wheel.
A month display element for displaying the current month can be driven by the month ring.
However, it is component-saving if the month ring forms a month display element for displaying the current month.
The month ring fulfills a double function as a support component for the month curve and as a month display element.
An embodiment of the invention is shown in the drawing and is described in more detail below. 1 shows a view of a date setting of a calendar of a clock in the normal position of a shift lever for a 31-day month View of a date switch according to Figure 1 in a phase to a pivot position of the shift lever for a 31-day month 1 before the pivoting position of the shift lever for a 30-day month, FIG. 7 shows an enlarged view of section “Y” from FIG. 6, FIG. 8 shows an enlarged section from FIG. 1 on the 31st of a month, FIG. 9 shows a section along line BB in FIG 8 Figure 10 shows an enlarged detail from Figure 1 on the 30th of a month.
The illustrated date circuit of a calendar of a watch has a calendar drive wheel 1 which is rotatably driven at one revolution per twenty-four hours, for example by a clockwork. A drive arm 2 is arranged on the calendar drive wheel 1, which rotates with the calendar drive wheel 1 around the axis of rotation of the calendar drive wheel 1 and engages once per revolution with a switching lever arm 3 of a switching lever 4 pivotable about a pivot axis 5 and engages the switching lever 4 against the force of a first spring 6 from a normal position in which the shift lever is in contact with a stop 7, pivoted into a pivot position.
On a pawl arm 8 of the shift lever 4, a pawl 9 is pivotably articulated about a pawl axis 10, which has a pawl tooth 11 which, with its pawl tip 12, is directed radially to a date wheel axis 13 of a date wheel 14 and by a second spring 15 to the date wheel axis 13 is subjected to force.
The date wheel 14 has thirty-one teeth, which corresponds to the thirty-one day positions of the date wheel 14.
By pivoting the shift lever 4 from the normal position into the pivot position, the pawl 9 is always moved a distance that corresponds to two divisions of the date wheel 14 about the date wheel axis 13, regardless of the length of the month.
At a first end region 33 of a two-armed date lever 17 pivotable about a date lever axis 16 parallel to the date wheel axis 13, a date setting 18 is arranged, which extends radially outside the tip circle of the date wheel 14 along part of the date wheel 14. In the normal position of the shift lever 4, the ratchet tooth 11 is in radial contact with the date setting 18 and cannot engage in the gaps between the teeth of the date wheel 14.
When the shift lever 4 moves from the normal position to the pivot position, the ratchet tooth 11 first slides counterclockwise on the date setting 18 by a tooth pitch of the date wheel 14, then in the circumferential direction of the date setting 18 at the date setting end 19 radially into a tooth gap of the date wheel 14 and to move a second tooth pitch counterclockwise. The date wheel 14 is rotated further counterclockwise by one tooth division.
A month ring 20 is arranged to be rotatable about an axis of rotation 21 which, in the present case, coincides with the pivot axis 5 of the shift lever 4. The inner periphery of the monthly ring 20 forms a monthly curve 27, which represents the twelve months of a year and, depending on the number of days in a month (30 or 31 days), has a greater or lesser distance from the axis of rotation 21 of the monthly ring 20. A long month has a greater distance and a short month has a smaller distance from the axis of rotation 21 of the month ring 20.
A two-armed second date lever 23 can be pivoted about a second axis of rotation 22 parallel to the first axis of rotation 21, which has a button 25 at the free end of its first arm 24, which by a third spring 26 acting on the second date lever 24 is in contact with the monthly curve 27 is held.
The second arm 28 of the second date lever 23 is articulated at its free end to the first end 30 of a third date lever 29. The second end 31 of the third date lever 29 is articulated to the second end region 32 of the first date lever 17.
The third date lever 29 has in its central region a ramp 34 directed radially to the date wheel axis 13, which, depending on the position of the button 25 on the month curve 27, protrudes radially into the circumferential area of a cam 35 arranged on the date wheel 14 or radially outside of the Circulation area of the cam 35 is located. In the case of a short month of the monthly ring 20 scanned by the button 25, the ramp 34 protrudes in the circumferential area of the cam 35 and in the case of a long month of the monthly ring 20 scanned by the button 25, the ramp 34 is located outside the circumferential area of the cam 35.
The cam 35 is arranged on the date wheel 14 in such a way that it reaches the area of the ramp 34 in a twenty-ninth day position of the date wheel 14.
If a long month with thirty-one days is scanned by the button 25, there is no contact between the ramp 34 and the cam 35.
In a short month with thirty days, the ramp 34 is moved into the circumferential area of the cam 35 by the second date lever 23 and the third date lever 29 and lifts when the cam 35 hits the ramp 34 when the date wheel 14 passes from the twenty-ninth Day position to the thirtieth day position the third date lever 29 radially away from the date wheel 14. This movement is transmitted via the second end 31 of the third date lever 29 to the first date lever 17 and, under the force of a fourth spring 36, pivots it clockwise about a day position.
The ratchet tooth 11 thus falls radially into a tooth gap of the date wheel 14 at its date setting end 19. If the shift lever 4 is now pivoted, the ratchet tooth of the pawl 9 rotates the date wheel 14 not only by one position of the day but by two positions, i.e. from the thirty-first position of the day, skipping the thirty-first position directly to the first position of the day of the following month.
The date wheel 14 drives a month switch wheel 37 which is rotatable about a drive axis of rotation and has the same number of teeth as the date wheel 14. A radially directed switching finger 39 is arranged on the month switching wheel 37, one end of which is rotatable about the drive axis of rotation 38 and the other end, forming a radially directed switching tip 40, protrudes radially beyond the tip circle of the month switching wheel 37.
The switching finger 39 reaches once per revolution of the monthly switching wheel 37 a step-up position and engages with its switching tip 40 in a switching wheel 41, which is rotatable about a parallel to the drive axis of rotation 38 ratchet wheel axis 42 and star-like twelve teeth 43 has, the twelve months one Year.
On the shift finger 39 a parallel to the ratchet wheel axis 42 loose pin 44 is arranged, which protrudes into a concentric groove 45 of the ratchet wheel, the length of which corresponds to a slack that extends over two daily positions of the date wheel 14 and thus also of the month switching wheel. In normal operation, the release pin 44 rests on the rear end of the groove 45 in the direction of rotation of the month switch wheel 37, so that the month switch wheel 37 takes the switch finger 39 with it.
On the shift finger 39 a concentric circumferential, radially resilient spring arm 46 is cantilevered with its one end, which has a locking projection 47 at its exposed end, which protrudes with play through a concentric elongated hole 50 in the monthly switching wheel 37. A pin-like stop 48 is fixedly arranged on a plate 49 in the circumferential area of the latching projection 47.
Once per revolution of the monthly switching wheel 37, an indexing position is reached at the end of the month in which the latching projection 47 comes into contact with the stop 48. In the following step of the monthly switching wheel 37, the spring arm 46 is first deflected radially inward, the rotational movement of the switching finger 39 being briefly delayed in relation to the monthly switching wheel 37. As a result, the switching tip 40 of the switching finger 39 is held outside the area of rotation of the teeth 43 of the switching wheel 41, should the switching finger 39 have advanced within its range of motion in the groove 45 due to external influences such as impact or impact. In the following step of the monthly switching wheel 37, the latching projection 47 engages over the stop 48 under the resilient deflection of the spring arm 46 radially inward.
In addition to the shift finger 39, the indexing wheel 41 can also be indexed by a manual indexing device 51 by one indexing wheel pitch.
The incremental position corresponds to the penultimate day of the respective month. In this indexing position, the switching tip 40 of the switching finger 39 is securely held out of the circumferential area of the teeth 43 of the switching wheel 41 by the spring arm 46 and the latching projection. If the indexing wheel 41 is manually indexed by the indexing device 51 on this penultimate day of the month, the index finger 39 is not rotated along with the teeth 43 of the indexing wheel 41 due to the fact that the indexing tip 40 does not intervene and the monthly indexing wheel 37 does not anticipate indexing .
In the switching position on the thirty-first day of a month, there is the possibility of anticipating the advance of the indexing wheel 41 by the monthly indexing wheel 37 by means of a manual indexing by means of the indexing device 51.
The ratchet wheel 41 is firmly connected to a coaxial indexing wheel 52 which engages a pinion 53. The pinion 53 is in turn connected coaxially to a monthly ring drive 54, which engages in a radially rotating ring gear 55 of the monthly ring 20.
When the indexing wheel 41 is advanced by one division, the monthly ring 20 is rotated further by one monthly division via the indexing wheel 52, the pinion 53 and the monthly ring drive 54.
List of reference symbols
1 calendar drive wheel 2 drive arm 3 gear lever arm 4 gear lever 5 pivot axis 6 first spring 7 stop 8 ratchet arm 9 ratchet 10 ratchet axis 11 ratchet tooth 12 ratchet tip 13 date wheel axis 14 date wheel 15 second spring 16 date lever axis 17 first date lever 18 date setting 19 date setting end 20 month ring 21 first rotation axis 22 second axis of rotation 23 second date lever 24 first arm 25 button 26 third spring 27 month curve 28 second arm 29 third date lever 30 first end 31 second end 32 second end area 33 first end area 34 ramp 35 cams 36 fourth spring 37 month switching wheel 38 drive rotation axis 39 switching finger 40 switching tip 41 switching wheel 42 ratchet wheel axle 43 teeth 44 loose pin 45 groove 46 spring arm 47 locking lug 48 stop 49 plate 50 elongated hole 51 indexing device 52 indexing wheel 53 pinion 54 monthly ring drive 55 gear rim
权利要求:
Claims (11)
[1]
1. Date setting of a calendar of a clock, with a switching lever (4) which can be driven once every twenty-four hours about a pivot axis (5) between a normal position and a pivot position, with a button (25) which is connected to a monthly curve (27) a month ring (20) rotatable about an axis of rotation (21) is attached, which represents the twelve months of a year and, depending on the number of days in a month, has a greater or lesser distance from the axis of rotation (21) of the month ring (20) and with is rotatably drivable one step per month and one revolution per year, with a rotatably mounted date wheel (14) having thirty-one or a multiple thereof teeth, with a ratchet tooth (11) spring-loaded radially towards the date wheel (14) and one on the shift lever (4) hinged pawl (9), which can be engaged radially in the tooth gaps of the date wheel (14), by the pawl (9), by the pivoting movement of the lever (4) the normal position into the swivel position, the date wheel (14) can be rotated via the engaging ratchet tooth (11) in daily steps by thirty-one daily positions per revolution, characterized in that a date backdrop (18) extends radially outside the tip circle of the date wheel (14) along a Part of the date wheel (14) extends on which the ratchet tooth (11) is in contact in the normal position of the switching lever (4), with the ratchet tooth (11) moving away from the date setting (18) by pivoting the switching lever (4) into the pivoting position and radially engaging in a tooth gap of the date wheel (14) and the date wheel (14) can be rotated by one day increment and by pivoting the switch lever (4) from the pivot position into the normal position, the ratchet tooth (11) disengaged from the date wheel (14) and is movable in attachment to the date backdrop (18).
[2]
2. Date switch according to claim 1, characterized in that upon a rotary movement of the date wheel (14) after a thirtieth day position of a by the button (25) on the monthly curve (27) detected thirty-day month of the ratchet tooth (11) radially in a The tooth gap of the date wheel (14) can be engaged and the date wheel (14) can be further rotated by two daily steps and, by pivoting the switching lever (4) from the pivot position into the normal position, the ratchet tooth (11) disengages from the date wheel (14) and is in contact with the Date backdrop (18) is movable.
[3]
3. Date setting according to claim 2, characterized in that during the rotary movement of the date wheel (14) after the thirtieth day position of a thirty-day month detected by the button (25) on the monthly curve (27), the date backdrop (18) by one day increment is movable against the direction of rotation of the date wheel (14).
[4]
4. Date setting according to claim 3, characterized in that the date backdrop (18) is arranged at a first end region (33) of a two-armed first date lever (17) which can be pivoted about a date lever axis (16) and which is controlled by one of the buttons (25) as well a cam (35) arranged on the date wheel (14) at a distance from the date wheel axis (13) movably drivable lever kinematics by one day step against the direction of rotation of the date wheel (14) around the date lever axis (16), the lever kinematics being controlled by the button ( 25) is movable between a thirty-day monthly position and a thirty-one-day monthly position.
[5]
5. Date switch according to claim 4, characterized in that the lever kinematics has a two-armed second date lever (23) pivotable about a second axis of rotation (22), on the first arm (24) of which the button (25) rests on the monthly curve (27) is arranged and the second arm (28) is articulated to one end (30) of a third date lever (29), the second end (31) of the third date lever (29) on the second end region (32) of the first date lever (17 ) is hinged.
[6]
6. Date switch according to claim 5, characterized in that the third date lever (29) of the lever kinematics has a ramp (34) directed radially to the axis of rotation of the date wheel (14), which in the thirty-day month position of the lever kinematics in the area of rotation of the cam (35) protrudes and in the thirty-one-day monthly position of the lever kinematics is pivoted out of the circumferential area of the cam (35), with the third cam (35) coming up against the ramp (34) in the thirty-day monthly position of the lever kinematics The date lever (29) can be pivoted about its articulation on the second date lever (23) in such a way that the first date lever (17) can be pivoted from the third date lever (29) by one day step against the direction of rotation of the date wheel (14) about a date lever axis (16) is.
[7]
7. Date setting according to one of the preceding claims, characterized in that the shift lever (4) has a radial shift lever arm (3) which can be acted upon by a drive arm (2) driven to rotate about a drive axis of rotation and once every twenty-four hours against a spring force from its normal position is movable into its pivot position.
[8]
8. Date setting according to one of the preceding claims, characterized in that a drive train can be driven by the date wheel (14), of which the month ring (20) can be rotatably driven with one step per month.
[9]
9. Date setting according to one of the preceding claims, characterized in that a date display of the clock can be driven by the date wheel (14).
[10]
10. Date switching according to one of the preceding claims, characterized in that a month display element for displaying the current month can be driven by the month ring (20).
[11]
11. Date switching according to one of claims 1 to 9, characterized in that the month ring forms a month display element for displaying the current month.
类似技术:
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同族专利:
公开号 | 公开日
CN107526283B|2019-10-25|
JP6442568B2|2018-12-19|
DE102016111464B3|2017-08-31|
JP2017227637A|2017-12-28|
CH712616A2|2017-12-29|
CN107526283A|2017-12-29|
引用文献:
公开号 | 申请日 | 公开日 | 申请人 | 专利标题

CH535447A|1970-08-19|1972-12-15|Schild Sa A|Watch movement with date and day of the week|
CH682285B5|1991-12-20|1994-02-28|Ebauchesfabrik Eta Ag|Timepiece of the mechanical or electromechanical type comprising a drive wheel driving at least a display device such as a display of dates.|
JPH0843547A|1994-07-29|1996-02-16|Citizen Watch Co Ltd|Calendar mechanism of clock|
CH691086A5|1997-01-30|2001-04-12|Girard Perregaux Sa|clockwork perpetual calendar.|
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DE102005014328B3|2005-03-24|2006-07-20|Lange Uhren Gmbh|Calendar date circuit for clock, has latch sliding during pivoting of lever, where pivoting parts are switched at position where sprocket is placed in lever normal position and in tactile finger position, at raising of month level slide|
法律状态:
优先权:
申请号 | 申请日 | 专利标题
DE102016111464.2A|DE102016111464B3|2016-06-22|2016-06-22|Date shift of a calendar of a clock|
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