• 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 invention relates to a watch with a first display and a second display. With a twenty-four hour wheel 1 which can be rotatably driven about an axis of rotation 2 by a clockwork mechanism with one revolution per 24 hours, by which a switching lever 4 can be pivotably driven, which has a switching tooth through which a first wheel 18 of the first display and / or a second wheel 16 of the second display can be incremented. The shift lever 4 has a first shift tooth 12 and a second shift tooth 11 protruding radially, with the first shift tooth 12 engaging the first wheel 18 in incremental rotation around a first axis 15 and the second shift tooth 11 engaging the second wheel 16 by one the second axis 17 parallel to the first axis 15 can be engaged in the second wheel 16 in a rotating incremental manner, the shift lever 4 being rotatable once per 24 hours along a fixed switching curve 13 by an angle of 360 ° around the axis of rotation 2 and radially outward to the axis of rotation 2 and is then guided radially inward.
    公开号:CH716439A2
    申请号:CH00778/20
    申请日:2020-06-25
    公开日:2021-01-29
    发明作者:Lehmann Steve
    申请人:Lange Uhren Gmbh；
    IPC主号:
    专利说明:

    description
    The invention relates to a clock with a first display and a second display, with a twenty-four hour wheel rotatably drivable about an axis of rotation by a clockwork with one revolution per 24 hours, from which a shift lever is pivotably drivable, which has a switching tooth, through which a first wheel of the first display and / or a second wheel of the second display can be incremented.
    In such a clock, it is known that a single display can be incremented by the switching tooth.
    The object of the invention is to create a clock of the type mentioned above, which enables both a first display and a second display to be switched forward in a way that saves components and space.
    This object is achieved according to the invention in that the shift lever protrudes radially and has a first shift tooth and a second shift tooth, the first shift tooth engaging the first wheel rotating incrementally about a first axis parallel to the first axis of rotation and the second shift tooth The second wheel can be engaged in the second wheel, rotating continuously about a second axis parallel to the first axis, whereby the shift lever can be rotated once per 24 hours along a fixed switching curve by an angle of 360 ° around the axis of rotation and radially to the axis of rotation outwards and then is guided radially inward, wherein in the radially inner position of the shift lever, the first shift tooth is disengaged from the first wheel and the second shift tooth is disengaged from the second wheel, and the shift lever moves radially outward from the radially inner position with progressive rotary movement will as well as at the same time per rotation times while advancing by one step in each case, the first gear tooth engages the first wheel and the second gear tooth engages the second wheel to then be moved again radially inward into the radially inner position.
    With this design, only a single component is required for switching both the first wheel and the second wheel. Both the first wheel and the second wheel are switched on without any significant time lag. As a result, a simple component and space-saving structure of the clock is achieved.
    The first switching tooth and the second switching tooth are pivoted through 360 ° on the same switching diameter.
    The inventive design allows a gear having many teeth such as the second wheel to rotate safely over a large angular path.
    Switching the first wheel through the second switching tooth and switching the second wheel through the first switching tooth is avoided.
    Due to the design according to the invention, the most varied of displays of a clock can be advanced.
    Preferably, the first display is a weekday display and the second display is a date display. The first switching tooth is a weekday switching tooth and the second switching tooth is a date switching tooth. The first wheel is then a weekday wheel that can be rotated about a weekday axis and the second wheel is a date wheel that can be rotated about a date axis.
    A particularly flat structure is achieved when the shift lever and the first wheel and / or the second wheel are in one plane.
    A compact structure is achieved in that the shift lever is guided so that it can move parallel to the twenty-four hour wheel and radially to the twenty-four hour wheel.
    It also leads to a compact structure if the first wheel is arranged immediately next to the second wheel.
    It leads to a simple structure if the switching curve extends parallel to the twenty-four hours wheel and the switching lever is arranged between the twenty-four hours wheel and the switching curve, the switching lever having a first follower pin which is guided along the switching curve and the switching lever having a second Has follower pin which is guided in a radial slot of the twenty-four hour wheel.
    It is sufficient if the follower pin is in contact with the switching cam over approximately 180 ° during the rotation of the shift lever and its radially outward movement. With the further rotation of the shift lever and its radial inward movement, the follower pin can be lifted from the shift cam.
    In this case, the first follower pin and the second follower pin can save components to form a component extending parallel to the axis of rotation of the twenty-four hour wheel, which has a first part protruding toward the switching curve and a second part protruding toward the twenty-four hour wheel.
    If the shift lever is acted upon by a spring force with its first follower pin in contact with the shift cam, correct guidance of the shift lever always takes place during the radially outward movement of the shift lever.
    A pretensioned spring arm can act with one end of the shift lever radially inward to the axis of rotation of the twenty-four hour wheel, the second end of which is fixed diametrically to the first end on the other side of the axis of rotation on the twenty-four hour wheel.
    If the axis of rotation of the twenty-four hour wheel protrudes into a radially directed elongated guide hole of the shift lever, the axis of rotation having a diameter corresponding to the width of the elongated guide hole, the shift lever is safely guided radially displaceably at two radially spaced guide points with little component effort. The first shift tooth and the second shift tooth are preferably arranged on the shift lever at a certain distance from one another in the direction of rotation of the shift lever.
    To secure the newly assumed position of the first wheel and / or the second wheel after an increment, a first detent can be resiliently engaged in the tooth gaps of the first wheel and / or a second detent can be resiliently engaged in the tooth gaps of the second wheel.
    As a result, the first display and / or the second display are in an aligned position after switching.
    The second notch can be latched into a tooth space of the second wheel leading to the engagement of the first notch in a tooth gap of the first wheel.
    This leads to the fact that after the second notch has locked into a tooth gap of the second wheel, the first notch is just before it snaps into the first wheel. So if the second notch has locked, then the adjacent tooth of the second wheel has turned the shift lever from behind so that enough distance has been realized to push the first wheel over the locking point of its first notch. This means that the first display and the second display snap into place at the same time.
    Furthermore, when the second notch engages, energy for engaging the first wheel is emitted from the second notch.
    Embodiments of the invention are shown in the drawing and are described in more detail below. Show it
    FIG. 1 shows a schematic diagram of a first exemplary embodiment of a day of the week and date display mechanism of a watch in a first switching position
    FIG. 2 shows a basic illustration of the weekday and date display mechanism according to FIG. 1 in a second switching position
    FIG. 3 shows a basic illustration of the weekday and date display mechanism according to FIG. 1 in a third switching position
    FIG. 4 shows a sectional illustration along the line III-III in FIG
    FIG. 5 shows a basic illustration of the weekday and date display mechanism according to FIG. 1 in a fourth switching position
    FIG. 6 shows a basic illustration of the weekday and date display mechanism according to FIG. 1 in a fifth switching position
    FIG. 7 shows a basic illustration of a second exemplary embodiment of a day of the week and date display mechanism of a watch in a first switching position
    FIG. 8 shows a basic illustration of the weekday and date display mechanism according to FIG. 7 in a second switching position.
    The day of the week and date display mechanism of a clock shown in the figures has a twenty-four hour wheel 1 which can be rotatably driven about an axis of rotation 2 by a clockwork of the clock, not shown, with one rotation per twenty four hours in a counterclockwise direction.
    A shift lever 4 is arranged in a radially displaceable manner parallel to the surface 3 of the twenty-four hour wheel 1. At its radially inner end region, the shift lever 4 has a radially directed elongated guide hole 5 through which the axis of rotation 2 extends, the width of the elongated guide hole 5 corresponding to the diameter of the axis of rotation 2. At its radially outer end region, the shift lever 4 has a follower pin 6 parallel to the axis of rotation 2, which has a first part 7 directed away from the twenty-four hour wheel 1 and a second part 8 directed towards the twenty-four hour wheel 1.
    With its second part 8 of the follower pin 6 protrudes into a radial slot 9 in the twenty-four hour wheel 1, the slot 9 having a width corresponding to the diameter of the follower pin 6 with play.
    The first part 7 of the follower pin 6 is acted upon by a pretensioned spring arm 10 to rest on a switching cam 13 radially inwardly towards the axis of rotation 2 of the twenty-four hour wheel 1. The spring arm 10 is fixedly arranged with its one end on the shift lever 4, guided in an arc around the axis of rotation 2 and with his
    second end diametrically to the first end on the other side of the axis of rotation 2 on the twenty-four hour wheel
    I is firmly arranged.
    The switching cam 13 extends at an angle of 360 ° and is attached to a fixed switching cam lever 14 in such a way that the first part 7 of the follower pin 6 can penetrate under the switching contour lever 14. It is sufficient here if the follower pin 6 is in contact with the switching cam 13 only over approximately 180 ° during the rotation of the switching lever 4 and its radially outward movement. During the further rotation of the shift lever 4 and its radial inward movement, the follower pin 6 can be lifted off the shift cam 13.
    The shift lever 4 has a date shift tooth 11 and a weekday shift tooth 12, which protrude radially from the radially outer circumferential contour of the shift lever 4 at a certain distance in the counterclockwise direction.
    A date wheel 16 with thirty-one teeth is rotatably mounted about a date axis 17 parallel to the axis of rotation 2 of the twenty-four hour wheel 1 and a weekday wheel 18 with seven teeth designed as a weekday star is rotatably mounted about a weekday axis 15 parallel to the axis of rotation 2 of the twenty-four hour wheel 1.
    Shift lever 4, date wheel 16 and weekday wheel 18 are located in one plane and are arranged with respect to one another that in the radially outer position of the shift lever 4, the date shift tooth 11 engages in a tooth gap of the date wheel 16 and at the same time the weekday shift tooth 12 engages in a Tooth gap of the weekday wheel 18 arrives.
    As the rotation of the twenty-four hour wheel 1 and the shift lever 4 progresses, the date wheel 16 and the weekday wheel 18 are advanced by one tooth pitch before the date shift tooth 11 again out of the tooth gap of the date wheel 16 and the weekday shift tooth 12 again by subsequent movement of the shift lever 4 radially inward step out of the tooth gap of the weekday wheel 18.
    The date wheel 16 directly or indirectly drives a date display element (not shown) and the day wheel 18 directly or indirectly drives a day of the week display element (not shown).
    In the embodiment of Figures 7 and 8, a date notch 19 is provided, which can be resiliently engaged in a tooth gap of the date wheel 16. A weekday ratchet 20 can be resiliently latched into a tooth gap of the weekday wheel 18.
    Due to the resilient engagement in the date wheel 16 and the weekday wheel 18, these wheels are held in their correct rest position.
    In the exemplary embodiment of FIGS. 7 and 8, the day of the week notch 20 snaps into a gap between the teeth of the day of the week wheel 18 after the date notch snaps into a gap between the teeth of the date wheel 16.
    The following describes the operational sequence of the day of the week and date display mechanism shown.
    The twenty-four hour wheel 1 rotates counterclockwise once every twenty four hours.
    As can be seen in FIG. 1, the twenty-four hour wheel 1 takes the shift lever 4 with it about the axis of rotation 2 via the elongated hole 9 and the follower pin 6. In this position, the shift lever 4 is in its radially inner position, so that the weekday shift tooth 12 is disengaged from the weekday wheel 18 and the date shift tooth 11 disengaged from the date wheel 16.
    When the twenty-four hour wheel 1 continues to rotate in accordance with FIG. 2, the follower pin 6 slides along the switching curve 13. The switching lever 4 moves radially outward and the spring arm 10 is further tensioned. The date switching tooth 11 comes close to the date wheel 16 and the weekday switching tooth 12 comes close to the weekday wheel 18.
    When the twenty-four hour wheel 1 continues to rotate in accordance with FIG. 3, the spring arm 10 is most strongly tensioned, since the follower pin reaches the greatest deflection on the switching cam 13.
    At this moment, the shift lever 4 begins to rotate the date wheel 16 by the date switching tooth
    I1 and thus an advance of the date display. The day of the week wheel 18 is rotated by the day of the week switching tooth 12 and thus the day of the week display is switched on a little later.
    The rotation of the weekday wheel 18 and the date wheel 16 could also take place simultaneously, depending on the distance between the date switching tooth 11 and the weekday switching tooth 12.
    When the twenty-four hour wheel 1 continues to rotate in accordance with FIG. 5, the approximately maximum radial deflection of the date wheel 16 and the weekday wheel 18 with respect to their previous rest position is shown. If the twenty-four hour wheel 1 is rotated further, the date switching tooth 11 and the weekday switching tooth 12 move again in the direction of the axis of rotation 2 and the tension of the spring arm 10 is reduced.
    In the position shown in Figure 6 you can see that the shift lever 4 with the date shift tooth 11 and the weekday shift tooth 12 and with the follower pin 6 can plunge under the cam lever 14 freely milled from below. It is thus possible to rotate the shift lever 4 through 360 °. The date shift tooth 11 moves past the weekday wheel 18 with sufficient play so that it cannot shift.
    权利要求:
    Claims (11)
    [1]
    1. Clock with a first display and a second display, with a twenty-four hour wheel (1) which can be driven rotatably about an axis of rotation (2) by a clockwork mechanism with one revolution per 24 hours, one of which is a switching lever (4) which can be driven pivotably Has shift tooth by means of which a first wheel (18) of the first display and / or a second wheel (16) of the second display can be incremented, characterized in that the shift lever (4) radially protruding a first shift tooth (12) and a second Has shift tooth (11), the first shift tooth (12) engaging the first wheel (18) in the first wheel (18) so as to rotate about a first axis (15) parallel to the axis of rotation (2) and the second shift tooth (11) the second wheel (16) about a second axis (17) parallel to the first axis (15) can be engaged in the second wheel (16) with incremental rotation, the switching lever (4) once per 24 hours along a fixed switching curve (13) by one Angle of 360 ° is rotatable around the axis of rotation (2) and is guided radially to the axis of rotation (2) outwards and then radially inwards, whereby in the radially inner position of the shift lever (4) the first shift tooth (12) disengaged from the first wheel ( 18) and the second shift tooth (11) is disengaged from the second wheel (16), and the shift lever (4) is moved radially outward from the radially inner position with progressive rotary movement and at the same time once per rotation, advancing one step at a time the first shift tooth (12) engages in the first wheel (18) and the second shift tooth (11) engages the second wheel (16) in order to then be moved radially inward again into the radially inner position.
    [2]
    2. Clock according to claim 1, characterized in that the shift lever (4) and the first wheel (18) and / or the second wheel (16) are in one plane.
    [3]
    3. Clock according to one of the preceding claims, characterized in that the shift lever (4) is movably guided parallel to the twenty-four hour wheel (1) and radially to the twenty-four hour wheel (1).
    [4]
    4. Clock according to claim 3, characterized in that the switching curve (13) extends parallel to the twenty-four hours wheel (1) and the switching lever (4) is arranged between the twenty-four hours wheel (1) and the switching curve (13), the switching lever (4 ) has a first follower pin which is guided along the switching curve (13) and wherein the shift lever (4) has a second follower pin which is guided in a radial slot (9) of the twenty-four hour wheel (1).
    [5]
    5. Clock according to claim 4, characterized in that the first follower pin and the second follower pin form a component extending parallel to the axis of rotation (2) of the twenty-four hour wheel (1), which has a first part (7) and a protruding first part (13) to the twenty-four hour wheel (1) protruding second part (8).
    [6]
    6. Clock according to one of claims 4 and 5, characterized in that the switching lever (4) is acted upon by a spring force with its first follower pin in contact with the switching cam (13).
    [7]
    7. Clock according to one of claims 3 to 6, characterized in that the axis of rotation (2) of the twenty-four hour wheel (1) protrudes into a radially directed elongated guide hole (5) of the shift lever (4), the axis of rotation (2) one of the width of the Has guide slot (5) corresponding diameter.
    [8]
    8. Clock according to one of the preceding claims, characterized in that the first switching tooth (12) and the second switching tooth (11) are arranged in the direction of rotation of the shift lever (4) at a certain distance from each other on the shift lever (4).
    [9]
    9. Clock according to one of the preceding claims, characterized in that a first detent (20) resiliently in the tooth gaps of the first wheel (18) and / or a second detent (19) is resiliently latched into the tooth gaps of the second wheel (16) .
    [10]
    10. Clock according to claim 9, characterized in that the second detent (19) can be engaged with the locking of the first detent (20) in a tooth gap of the first wheel (18) leading into a tooth gap of the second wheel (16).
    [11]
    11. Clock according to one of the preceding claims, characterized in that a manually operable correction device in the first wheel (18) and / or the second wheel (16) can be engaged and the first wheel (18) and / or the step-by-step through the correction device second wheel (16) can be indexed, the switching cam (13) being movable by the correction device, the switching cam (23) out of the range of the switching lever (4).
    类似技术:
    公开号 | 公开日 | 专利标题
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    DE2952909C1|1982-04-22|Current calendar work
    DE1425095B1|1970-12-17|Device for actuating a pull cable
    DE2227270C3|1978-04-06|Device for the discontinuous and reversible rotary drive of the selection drums of sample devices
    DE2756395A1|1978-06-29|REVERSIBLE DRIVE MECHANISM FOR RATCHET WRENCH
    EP0450167A1|1991-10-09|Watch
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    DE700722C|1940-12-28|Gun box changing device for looms
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    DE2840690A1|1980-03-27|Time switch with day and week program - has program disc and ring carrying riders operating switching cams as required
    CH712616B1|2021-07-30|Date switching of a calendar of a clock.
    DE2301988C3|1977-12-15|Timing mechanism for a clock or the like
    DE2235524A1|1973-02-08|QUICK CORRECTION DEVICE FOR WATCHES WITH CALENDAR DISPLAY
    同族专利:
    公开号 | 公开日
    CN112305888B|2022-01-28|
    DE102019120272B3|2020-06-18|
    JP2021021732A|2021-02-18|
    CN112305888A|2021-02-02|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    DE102019120272.8A|DE102019120272B3|2019-07-26|2019-07-26|Watch with a first display and a second display|
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