EP3584643B1 - Augenblicklich schaltende steuervorrichtung für datumsanzeige von uhren - Google Patents

Augenblicklich schaltende steuervorrichtung für datumsanzeige von uhren Download PDF

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Publication number
EP3584643B1
EP3584643B1 EP18178458.8A EP18178458A EP3584643B1 EP 3584643 B1 EP3584643 B1 EP 3584643B1 EP 18178458 A EP18178458 A EP 18178458A EP 3584643 B1 EP3584643 B1 EP 3584643B1
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EP
European Patent Office
Prior art keywords
toothed wheel
date
cam
rotation
instantaneous
Prior art date
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Active
Application number
EP18178458.8A
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English (en)
French (fr)
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EP3584643A1 (de
Inventor
Gilles Rey-Mermet
Nicolas Goy
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Manufacture dHorlogerie Audemars Piguet SA
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Manufacture dHorlogerie Audemars Piguet SA
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Application filed by Manufacture dHorlogerie Audemars Piguet SA filed Critical Manufacture dHorlogerie Audemars Piguet SA
Priority to EP18178458.8A priority Critical patent/EP3584643B1/de
Priority to CN201910315336.XA priority patent/CN110618597B/zh
Priority to US16/408,269 priority patent/US11429066B2/en
Priority to JP2019110289A priority patent/JP7393135B2/ja
Publication of EP3584643A1 publication Critical patent/EP3584643A1/de
Application granted granted Critical
Publication of EP3584643B1 publication Critical patent/EP3584643B1/de
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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
    • G04B19/243—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator
    • G04B19/247—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator disc-shaped
    • G04B19/253—Driving or releasing mechanisms
    • G04B19/25333—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement
    • G04B19/25373—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement driven or released stepwise by an energy source which is released at determined moments by the clockwork movement
    • G04B19/25386—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement driven or released stepwise by an energy source which is released at determined moments by the clockwork movement manually corrected at the end of months having less than 31 days
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
    • G04B19/243—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator
    • G04B19/247—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator disc-shaped
    • G04B19/253—Driving or releasing mechanisms
    • G04B19/25333—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement
    • G04B19/25373—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement driven or released stepwise by an energy source which is released at determined moments by the clockwork movement
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
    • G04B19/243—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator
    • G04B19/247—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator disc-shaped
    • G04B19/253—Driving or releasing mechanisms
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
    • G04B19/243—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator
    • G04B19/247—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator disc-shaped
    • G04B19/253—Driving or releasing mechanisms
    • G04B19/25333—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement
    • G04B19/25353—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement driven or released stepwise by the clockwork movement

Definitions

  • the present invention relates to an instantaneous date control device for a date display of a timepiece, in particular for a date display of a mechanical wristwatch, according to claim 1, as well as a horological movement, respectively a timepiece comprising such an instantaneous date control device.
  • instant change-type date displays are known in horology. These displays make it possible to avoid the disadvantages of date displays of the dragging date change type, which are normally of rather simple construction but only produce a more or less slow date change, and therefore clearly perceptible by the user. This is further manifested by the fact that the displayed date is no longer centered in the date window for several minutes or hours, when the date disc shifts.
  • instantaneous change type date displays are equipped with a more complex mechanism making it possible to effect the date change by instantaneous rotation of the date disc, that is to say by a jump. snapshot that normally occurs every day at midnight.
  • This type of instantaneous date display is also known from the document DE 1,673,663 which discloses an instantaneous date mechanism comprising a first mobile bearing a cam which is free to rotate over a limited angular range, a control lever applied by a first spring to said cam, and an actuation lever driven by said control lever and allowing rotation by the 'intermediary of a drive finger step by step a date disc.
  • Said actuating lever is equipped with a sliding guide in which is housed a pin fixedly mounted on a bridge of the corresponding timepiece and the drive finger, articulated on the actuating lever, is pre-stressed. by a second spring in the direction of the date disc.
  • German patent FROM 10 2015 011 324 describes a mechanism similar to that disclosed by the document DE 1,673,663 and likewise comprising a first mobile carrying a cam, but having more than one second mobile on which is fixed a pin which, instead of being fixed to a bridge as in the mechanism according to the document DE 1,673,663 , is eccentrically housed in a sliding guide of a drive lever.
  • the mechanism according to the document FROM 10 2015 011 324 combines the control lever and the actuating lever of the mechanism according to the document DE 1,673,663 in a piece called the date trigger rocker.
  • the sliding guide provided in the mechanism according to the document DE 1,673,663 on the actuating lever is arranged in the mechanism according to the document FROM 10 2015 011 324 on said drive lever.
  • the latter is mounted in this case, removing the second spring pre-stressing the drive finger of the mechanism according to the document DE 1,673,663 , pivotally on the date release lever in order to move the drive lever away from the date disc and bring it closer with the aid of said sliding guide.
  • This mechanism enables instantaneous date display and partially avoids the problem affecting other mechanisms as well. Similar, namely that a manual correction of the hours and / or the date using the crown of the corresponding timepiece during "hours prohibited from manual correction" may lead, depending on the exact circumstances, to a malfunction, or even damage, of the date mechanism. On the other hand, it does not completely solve this problem because a manual correction is not possible during the instantaneous change of the date.
  • guidance of the path of the drive lever of the mechanism according to the document FROM 10 2015 011 324 by sliding, also present in the mechanism according to the document DE 1,673,663 does not seem optimal.
  • the aim of the present invention is therefore to remedy the aforementioned drawbacks of the known devices and to provide an instantaneous date control device for horological date displays which also makes it possible to minimize the torque take-up on the watch movement.
  • effective protection of the date disc against a double jump a possibility of manual correction of the hours and / or the date using the crown of the corresponding timepiece, in particular a anti-clockwise setting and rapid date correction, without any time range restriction, that is to say without "prohibited manual correction times", and without risk of damage to the device, as well as an optimized trajectory of moving parts during operation of the device.
  • These objectives should be achieved by ensuring a relatively space-saving and modular construction which should also lend itself to low-profile movements as well as reliable operation of the device.
  • the present invention proposes an instantaneous date control device for a horological date display of the aforementioned type, in particular for a mechanical timepiece, which is distinguished by the characteristics set out in claim 1, as well as a movement. watchmaker, respectively a corresponding timepiece comprising such a device.
  • the rocker mobile further comprises a pivot pin placed eccentrically on said second toothed wheel and said trigger and drive rocker is entirely pivotally mounted.
  • the instantaneous date device is designed so as to allow an instantaneous change of the date indication while guaranteeing a low torque take-up on the watch movement, due to the distribution of the torque take-up over maximum duration of the day as well as instantaneous release of accumulated energy.
  • the drive finger is arranged in a retractable manner with respect to the trigger and drive rocker in order to allow the correction of the date by a rapid correction means of date of the corresponding timepiece.
  • the drive finger is formed either by a separate part pivotably mounted on the trigger and drive rocker or by a flexible part mounted on or formed from one part with the trigger and drive rocker.
  • the trigger and drive lever comprises a pre-stressing spring exerting a force on the drive finger pre-stressing it in its normal operating position in the direction of the teeth located on the date disc.
  • the replacement of the sliding guide according to the patent FROM 10 2015 011 324 by a pivot axis placed eccentrically on the second toothed wheel of the device according to the present invention, while arranging the trigger and drive rocker on the second toothed wheel instead of placing it on a bridge, allows a additional function which consists in separating the triggering and driving force exerted by the triggering and driving spring placed on a bridge and the prestressing force exerted by the prestressing spring arranged on the triggering and driving rocker. Due to the presence of the sliding guide, this function cannot be performed in a mechanism according to the patent. FROM 10 2015 011 .
  • the triggering and driving force of the triggering and driving spring and the preloading force of the preload spring do however typically not have the same threshold, so that the presence of the preload spring in the device
  • the control according to the present invention has the additional advantage of allowing improved user comfort, as will be explained more clearly below.
  • the first mobile and / or the second mobile of the device can be the object of alternative arrangements, more specifically by using a unidirectional disengagement means arranged, either on the first toothed wheel, or between the first toothed wheel and the cam. This offers a particularly advantageous both from the point of view of the mounting of the cam on the first toothed wheel of the first mobile, and from the relative movement between these parts.
  • An instantaneous date control device is intended to be integrated into a timepiece equipped with a date display, in particular in a wristwatch equipped with a mechanical horological movement.
  • the device can also be used in a timepiece provided with a watch movement of another type, for example a quartz movement, so that the following explanations apply equally to all these cases.
  • the instantaneous date control device for a date display comprises a date disc 1, a gear train 2 forming a kinematic link between the instantaneous control device and a basic watch movement of the part d 'corresponding clockwork, a first mobile 3, the cam mobile, a second mobile 4, the rocker mobile, a trigger and drive rocker 4.3, a trigger and drive spring 5, and a holding means 6.
  • these components can be mounted on a bridge or a frame of the basic watch movement of the corresponding timepiece, or, in the case of modular construction, on a bridge or a frame of a module. instantaneous date which can then be placed as a block on the basic watch movement. Since the structure and the operation of the device are identical in both cases, the following explanations also apply equally to these cases.
  • the watchmaker typically speaks of a date disc 1
  • the latter is typically produced by a ring on which the dates from 1 to 31 and which is provided on its inner periphery with a set of teeth comprising an adequate number of teeth, normally 31 teeth.
  • these teeth are, in the control device according to the present invention, produced by more or less asymmetrical saw teeth.
  • the gear train 2 which forms the kinematic connection between the instantaneous control device and the basic horological movement of the corresponding timepiece may for example consist, as can be seen by way of example in FIGS.
  • first intermediate pinion 2.1 driven by an hour wheel
  • first intermediate gear 2.1 rotates counterclockwise
  • second intermediate gear 2.2 rotates clockwise, as symbolically indicated by arrows at the figure 1b
  • the first and second intermediate gears 2.1, 2.2 also have a speed reduction function so that the first and second mobile 3, 4 rotate at the speed of one revolution per day.
  • the first mobile 3, the cam wheel comprises a first toothed wheel 3.1 driven by said gear train 2 at the speed of one revolution per day and a cam 3.2 mounted so as to rotate freely, over a limited angular range and / or in a single direction of rotation, on said first toothed wheel 3.1 as well as temporarily coupled in rotation to said first toothed wheel 3.1, so that the cam 3.2 is driven by the first toothed wheel 3.1, due to its freedom rotating in a limited angular range and / or in a single direction of rotation, discontinuously at the speed of one revolution per day.
  • the first toothed wheel 3.1 and therefore the cam normally rotate in an anti-clockwise direction.
  • the games figures 2a to 2c, 2d to 2f , 2g to 2i and 2d to 2l show, each time in a perspective view, a top plan view and a cross section, four different embodiments of the first mobile of an instantaneous date control device according to the present invention.
  • the cam 3.2 is mounted so as to rotate freely, over a limited angular range, on said first toothed wheel 3.1 as well as temporarily coupled in rotation to said first toothed wheel 3.1 via a guide groove 3.1.1 substantially in the form of a semi-circular arc arranged on the first toothed wheel 3.1 as well as a pin 3.2.1 fixed on the cam and housed in said guide groove 3.1.1, or vice versa.
  • said cam 3.2 is rotatably mounted on said first toothed wheel 3.1 about an eccentric axis of rotation 3.1.2 relative to the axis of rotation of the first toothed wheel 3.1, said guide groove 3.1.1 substantially in the shape of a semi-circular arc being moreover also centered around said eccentric axis of rotation 3.1.2.
  • the cam 3.2 is driven in an anti-clockwise direction by the first toothed wheel 3.1, that is to say that it is temporarily coupled in rotation to the first toothed wheel 3.1, while it can rotate freely, in particular in the anti-clockwise direction, over a limited angular range by the guide groove 3.1.1 in the form of a semi-circular arc, therefore over an angular range of approximately 180 °.
  • the cam 3.2 is mounted so as to rotate freely, over a limited angular range, on said first toothed wheel 3.1 as well as temporarily coupled in rotation to said first toothed wheel 3.1 via a guide groove 3.1.4.1 substantially in the form of a sector of a circular arc arranged on the first toothed wheel 3.1, this sector preferably having an angular extent lying in the range from 25 ° to 65 °, as well as a pin 3.2.1 fixed on the cam and housed in said guide groove 3.1.4.1, or vice versa.
  • the first toothed wheel 3.1 is separated into two parts, namely in a ring 3.1.3 of the first toothed wheel driven counterclockwise by said gear train 2 and in a disc 3.1.4 of the first cogwheel.
  • the disc 3.1.4 comprises said guide groove 3.1.4.1 and is housed inside the ring 3.1.3 in a freely rotating manner, but kinematically linked to the ring 3.1.3 by a unidirectional release means arranged on these two parts 3.1.3, 3.1.4 of the first toothed wheel 3.1.
  • the ring 3.1.3 comprises a hook 3.1.3.1 of the unidirectional release means and the disc 3.1.4 comprises a drive shoulder 3.1.4.2 corresponding to the unidirectional release means, so that the drive of the ring 3.1.3 counterclockwise also causes the drive of the disc 3.1.4 of the first toothed wheel 3.1 as soon as the hook 3.1.3.1 of the ring 3.1.3 comes into contact with the shoulder d 3.1.4.2 drive of the disc 3.1.4.
  • a training of the ring 3.1.3 that is to say of the first toothed wheel 3.1, clockwise causes a disengagement of the one-way disengagement means, so that the disc 3.1.4 is not driven in this case.
  • the cam 3.2 is rotatably mounted on said first toothed wheel 3.1 coaxially with respect to the axis of rotation of the first toothed wheel 3.1.
  • the cam 3.2 is driven in an anti-clockwise direction by the first toothed wheel 3.1, that is to say that it is temporarily coupled in rotation to the first toothed wheel 3.1, while it can rotate freely, in particular in the anti-clockwise direction, over an angular range limited by the guide groove 3.1.4.1 in the form of a sector of a circular arc, therefore over an angular range ranging from approximately 25 ° to 65 °.
  • the cam 3.2 could even rotate, in an anti-clockwise direction and due to the presence of the unidirectional release means, completely freely with respect to the ring 3.1.3, but causes the disc 3.1.4 when the relative rotation between the cam 3.2 and the disc 3.1.4 exceeds the angular range limited by the guide groove 3.1.4.1 on the disc 3.1.4.
  • the rotation of the disc 3.1.4 in the anti-clockwise direction does not cause rotation of the ring 3.1.3.
  • the cam 3.2 is mounted so as to rotate freely, in a single direction of rotation, on said first toothed wheel 3.1 as well as temporarily coupled in rotation to said first toothed wheel 3.1 by means of d 'a unidirectional release means 3.1.5, 3.2.2 arranged between the first toothed wheel 3.1 and the cam 3.2.
  • the first toothed wheel 3.1 comprises a drive shoulder 3.1.5 of the unidirectional release means and the cam 3.2 comprises a hook 3.2.2 corresponding to the unidirectional disengagement means, so that the drive of the first toothed wheel 3.1 in the anti-clockwise direction also causes the drive of the cam 3.2 as soon as the drive shoulder 3.1.5 of the first toothed wheel 3.1 comes into contact with the hook 3.2.2 of the cam 3.2, while a clockwise drive of the first toothed wheel 3.1 causes a disengagement of the one-way disengaging means, so that the cam 3.2 is not not driven in this direction of rotation.
  • the cam 3.2 is rotatably mounted on said first toothed wheel 3.1 coaxially with respect to the axis of rotation of the first toothed wheel 3.1.
  • the cam 3.2 is driven in an anti-clockwise direction by the first toothed wheel 3.1, that is to say it is temporarily coupled in rotation to the first toothed wheel 3.1, as soon as the drive shoulder 3.1.5 of the first toothed wheel 3.1 comes into contact with the hook 3.2.2 of the cam 3.2 and the cam 3.2 can rotate freely, without considering the other parts of the device , in an anti-clockwise direction, this also due to the disengagement of the unidirectional release means 3.1.5, 3.2.2.
  • the cam 3.2 is also mounted so as to rotate freely, in a single direction of rotation, on said first toothed wheel 3.1 as well as temporarily coupled in rotation to said first toothed wheel 3.1 by means of a unidirectional release means 3.1 .5, 3.2.2 arranged between the first toothed wheel 3.1 and the cam 3.2.
  • This embodiment then has the same construction principle as the third embodiment of the first mobile, but by having a minimum height is specifically adapted to integration into extra-flat movements, as visible in particular on the figure 2l .
  • the second mobile 4 comprises a second toothed wheel 4.1 driven by means of said first toothed wheel 3.1 at the speed of one revolution per day.
  • the direction of rotation of the second toothed wheel 4.1 of the second mobile 4 is, as indicated symbolically by an arrow at the figure 1b , opposite to that of said first toothed wheel 3.1 of the first mobile 3.
  • the second toothed wheel 4.1 is driven directly by the first toothed wheel 3.1, but it is obviously possible to provide intermediate wheels ensuring a suitable kinematic link between the first toothed wheel 3.1 and the second toothed wheel 4.1.
  • the trigger and drive rocker 4.3 carries a feeler 4.4 resting on said cam 3.2 mounted on the first toothed wheel 3.1 of the first mobile 3 and serving as a trigger finger as well as giving the angular orientation of the rocker. triggering and drive 4.3 relative to the other parts of the device. Said trigger and drive rocker 4.3 also carries a drive finger 4.5 which can engage with the teeth 1.1 located on the date disc 1 in order to drive the latter step by step. In addition, said trigger and drive rocker 4.3 carries a hooking means 4.7, for example a pin, on which the trigger and drive spring 5 rests.
  • the trigger and drive spring 5 is mounted on a bridge or the frame of the corresponding timepiece, or even of an instantaneous date module, and exerts on said hooking means 4.7 of the trigger lever and d drive 4.3 a preload force capable of pressing the feeler 4.4 against the cam 3.2 of the first mobile 3.
  • the trigger and drive spring 5 stores enough energy to ensure an instantaneous jump of the date disc 1.
  • the holding means 6 indicated that symbolically at the figure 1b and produced for example by a jumper or any other suitable elastic means, makes it possible to ensure the angular position of the date disc 1 between two instantaneous jumps.
  • the support force exerted by the holding means 6 is chosen so that the date disc 1 cannot jump under the effect of an external shock, but nevertheless allowing one and only one instantaneous jump of the control disc.
  • date 1 under the effect of said drive finger 4.5 as well as a possible rapid correction of the date.
  • the elasticity of the drive finger 4.5 of the trigger and drive lever 4.3 is an optional security.
  • the instantaneous control device is distinguished, in particular, from the fact that the rocker mobile 4 further comprises a pivot axis 4.2 placed eccentrically on said second toothed wheel 4.1.
  • Said trigger and drive rocker 4.3 is entirely pivotally mounted about this pivot axis 4.2 on said second toothed wheel 4.1, so that said second toothed wheel 4.1 allows said pivot axis 4.2 to be displaced by rotation.
  • the trigger and drive rocker 4.3 so as to place the drive finger 4.5 of the trigger and drive rocker 4.3 behind a tooth 1.1 of the date disc 1 just before each instantaneous jump as well as to place it in outer periphery of the path of the teeth 1.1 of the date disc 1 after each instantaneous jump.
  • the cooperation between the first toothed wheel 3.1, the cam 3.2 mounted on said first toothed wheel 3.1 and the feeler 4.4 of the triggering and drive rocker 4.3 makes it possible to tension the release and drive spring 5 when the rocker trigger and drive 4.3 is remote, respectively its drive finger 4.5 is placed outside the path of the teeth 1.1 of the date disc 1 as well as instantaneously release the energy accumulated by the trigger spring and d 'drive 5 when the rocker triggering and drive 4.3 is brought together, respectively its drive finger 4.5 is momentarily placed behind a tooth 1.1 of the date disc 1 in order to cause a switching of the position of the date disc 1 by an instantaneous jump.
  • this drive finger 4.5 is arranged in a retractable manner with respect to the trigger and drive rocker 4.3 in order to allow the date to be corrected by means of rapid date correction means of the corresponding timepiece.
  • the drive finger 4.5 may be formed by a separate piece pivotally mounted on the trigger and drive rocker 4.3, as shown schematically and by way of example in Figures la and 1b, 3a and 3b as well as 3d and 3e.
  • the drive finger 4.5 can be formed by a flexible part mounted on or formed integrally with the trigger and drive latch 4.3, as shown schematically and by way of example at figures 3g and 3h as well as 3j and 3k.
  • the drive finger 4.5 can be equipped with a stop cooperating with a limiting shoulder arranged on the trigger and drive rocker 4.3 so as to limit the pivoting of the drive finger 4.5 to an angular range desired, as also visible in Figures 1a and 1b, 3a and 3b, 3d and 3e as well as 3g and 3h.
  • this rocker 4.3 comprises, in a particularly preferred and advantageous manner, a preload spring 4.6 exerting a preload force on the finger drive 4.5 which preloads it in the direction of the teeth 1.1 located on the date disc 1.
  • the preloading force of the preload spring 4.6 on the trigger and drive lever 4.3 is chosen so as to be able to secure, in cooperation with the holding means 6, the angular position of the date disc 1 just after each instantaneous jump, in order to avoid any unexpected displacement of the date disc 1, as will become clearer in the remainder of the description.
  • the feeler 4.4 located on the trigger and drive rocker 4.3 is still equipped with a roller 4.4.1 mounted idle in rotation on the free end of said feeler 4.4 in order to reduce the friction between the feeler 4.4 of the rocker 4.3 and the cam 3.2 of the first mobile 3.
  • the figures 3d and 3f show a second embodiment of the trigger and drive rocker 4.3 which is not fitted with a roller on the probe 4.4, but which has a minimum height and is therefore specifically suitable for integration into movements extra-thin, as visible in particular on the figure 3f .
  • the figures 3g and 3k show a third embodiment of the trigger and drive rocker 4.3 which is equipped with a drive finger 4.5 formed integrally with the rocker 4.3.
  • the different parts of the trigger and drive rocker 4.3 cannot be physically in contact.
  • the finger joins this limiting shoulder only during the jump, under the effect of the force to be supplied to move the date disc.
  • this embodiment is specifically adapted for integration into extra-thin movements.
  • the components described above of the various embodiments of an instantaneous date control device according to the present invention can be manufactured by traditional means, such as milling, cutting, stamping, bar turning, and / or electrochemical processes, but they can also be manufactured using non-traditional materials and processes such as silicon, machined by the Deep Reactive Ion Etching (DRIE) process, nickel machined by electroforming, for example using the UV-Liga process, or by 3D printing.
  • DRIE Deep Reactive Ion Etching
  • the hour wheel of the basic watch movement of this timepiece drives the gear train 2 which in turn turns the first gear 3.1 at a speed of one revolution per day in a counterclockwise direction.
  • the cam 3.2 mounted on the first toothed wheel 3.1 and due to its rotational freedom in a limited angular range and / or in a single direction of rotation, is then driven, according to the explanations given above with respect to the different shapes of execution of the first mobile 3, discontinuously at the speed of one revolution per day in the anti-clockwise direction.
  • the trigger and drive rocker 4.3 whose feeler 4.4 is applied against the spiral peripheral surface of the cam 3.2, then tension the trigger and drive spring 5.
  • the first toothed wheel 3.1 turns the second toothed wheel 4.1 of the second mobile 4 at the speed of one revolution per day in the clockwise direction, so as to move by rotating said pivot axis 4.2 of the trigger and drive rocker 4.3 and thus to place the drive finger 4.5 of the trigger and drive rocker 4.3 behind a tooth of the date disc 1 just before each instantaneous jump and placing it on the outer periphery of the path of the teeth of the date disc 1 after each instantaneous jump.
  • An instantaneous jump of the date disc 1 occurs when the feeler 4.4 of the trigger and drive lever 4.3 arrives on the steep, even almost radial, side of the cam 3.2 and, using the energy accumulated by the trigger and drive spring 5 sufficient to ensure an instantaneous jump of the date disc 1, advances the cam 3.2 instantaneously in the anti-clockwise direction.
  • the cam 3.2 is then and temporarily remains in an advanced angular position with respect to the first toothed wheel 3.1, which is possible thanks to the guide groove 3.1.1, 3.1.4.1 and / or thanks to the unidirectional release means arranged on the two parts 3.1.3, 3.1.4 of the first toothed wheel 3.1, respectively between the first toothed wheel 3.1 and the cam 3.2 of the first mobile 3.
  • the continuous drive by the hour wheel and the gear train 2 then causes the advance of the first toothed wheel 3.1 until the cam 3.2 is again temporarily coupled in rotation with this first toothed wheel 3.1, so that the cycle begins again.
  • the drive finger 4.5 remains, while being brought back, between two teeth 1.1 of the date disc 1 during the operating steps of the device illustrated in figures 4a to 4c , then gradually moves away from the teeth, respectively from the date disc 1, as visible on the figures 4d and 4e , to then position itself behind the next tooth 1.1 of the date disc 1 which will be used for its next instantaneous switching, as visible on the figures 4f and 4g . It remains to be noted in this context that the fact that the drive finger 4.5 remains temporarily between two teeth of the date disc 1 following each instantaneous jump produces an additional advantage of an instantaneous control device according to the present invention.
  • the preload spring 4.6 whose primary function is to exert a preload force on the drive finger 4.5 to preload it in the direction of the teeth 1.1 located on the date disc 1, can thus also be provided with the secondary function of securing, in cooperation with the holding means 6, the angular position of the date disc 1 just after each instantaneous jump, in order to avoid any unexpected displacement of the date disc 1, in particular in order to avoid any double jump unexpected.
  • the prestressing force of this prestressing spring 4.6 on the trigger and drive rocker 4.3 is in this case chosen in a corresponding manner, moreover depending on the arrangement of the holding means 6.
  • the guide groove 3.1.1 substantially in the form of a semi-circular arc and the eccentric axis of rotation 3.1.2 on the first toothed wheel 3.1 as well as thanks to the corresponding shape of the peripheral surface of the cam 3.2 which have the effect that the cooperation between the cam 3.2 and the trigger and drive lever 4.3 during a back correction produces a trajectory of the finger of drive 4.5 which remains out of contact with nts 1.1 of the date disc 1.
  • the unidirectional disengagement means arranged either on the first toothed wheel 3.1 or between the first toothed wheel 3.1 and the cam 3.2.
  • a backward correction produces in these embodiments of the first mobile 3 simply a disengagement of the unidirectional disengagement means, so that the cam 3.2 is not driven and that a rotation of the release lever and drive 4.3 during a backward correction produces a path of the drive finger 4.5 which remains out of contact with the teeth 1.1 of the date disc 1.
  • the cam 3.2 has in the first embodiment of the first mobile 3 with a less marked slope on its part forming the drop of the cam in order to allow the sensor 4.4 of the trigger and drive lever 4.3 to ascend this slope during a correction backwards which causes a winding of the trigger and drive spring 5.
  • the part forming the fall of the cam may have a more marked slope because the disengagement of the disengagement means unidirectional prevents winding of the trigger and drive spring 5 during a backward correction, which at the same time results in a longer load sector on the cam 3.2, and therefore in a better distribution of the torque.
  • the separation of the triggering and driving force exerted by the triggering and driving spring 5 placed on a frame or a bridge of the timepiece, or even of an instantaneous control module, and of the pre-stressing force exerted by the pre-stressing spring 4.6 arranged on the trigger and drive rocker 4.3 makes it possible to improve the comfort of use, because these forces typically do not have the same threshold and the user does not feel, in a control device according to the present invention, a much lower return force than in mechanisms of the prior art when it wants to perform a rapid correction of the date.
  • the present invention also relates to a movement and a timepiece comprising such an instantaneous control device which are, without it being necessary to describe them in full detail, within the reach of those skilled in the art having the instruction. technique according to the present description.
  • it is a wristwatch equipped with a mechanical watch movement Having available the detailed description given above of both the structure and the operation of various embodiments of the instantaneous date control device according to the present invention, it is also clear to those skilled in the art that this device presents many advantages over date mechanisms of the prior art.
  • the instantaneous calendar device allows an instantaneous change of the date indication while guaranteeing a low torque take-up on the watch movement, given that the torque take-up is distributed over a maximum period of time. of the day as well as the accumulated energy is released instantly.
  • the pivot axis placed eccentrically on the second toothed wheel of the device according to the present invention, while arranging the trigger and drive rocker entirely on the second toothed wheel, allows an optimized trajectory of the different parts of the device.
  • the device has effective protection of the date disc against a double jump as well as the possibility of manual correction of the hours and / or the date using the crown of the corresponding timepiece.
  • the instantaneous date device according to the present invention achieves, due to the separation of the triggering and driving force exerted by the triggering and driving spring placed on the frame or a bridge and the force of preload exerted by the preload spring arranged on the trigger and drive rocker, improved user comfort.
  • Element of the device according to the invention 1 date disc 2 reduction gear train 3 first mobile 3.1 first gear 3.1.1 guide groove 3.1.2 eccentric rotation axis 3.1.3 ring of the first toothed wheel 3.1.3.1 hook of the unidirectional release means 3.1.4 disc of the first toothed wheel 3.1.4.1 guide groove 3.1.4.2 training shoulder 3.1.5 training shoulder 3.2 cam 3.2.1 pin 3.2.2 hook of the unidirectional release means 4 second mobile 4.1 second gear 4.2 pivot axis 4.3 trigger rocker 4.4 feeler 4.5 drive finger 4.6 preload spring 4.7 hanging medium 5 trigger and drive spring 6 holding means

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Claims (15)

  1. Augenblicklich schaltende Steuervorrichtung für eine Datumsanzeige für Uhren, insbesondere für eine Datumsanzeige für mechanische Armbanduhren, wobei die Steuervorrichtung umfasst:
    - eine Datumsscheibe (1),
    - einen Getriebezug (2), der eine kinematische Verbindung zwischen der Steuervorrichtung und einem Uhrwerk der besagten Uhr bildet,
    - ein erstes Drehteil (3), das Kurvenscheibendrehteil, das umfasst
    ∘ ein erstes Zahnrad (3.1), das von dem besagten Getriebezug (2) mit einer Drehzahl von einer Umdrehung pro Tag angetrieben wird, und
    ∘ eine Kurvenscheibe (3.2), die über einen begrenzten Winkelbereich und/oder in eine einzige Drehrichtung frei drehend an dem ersten Zahnrad (3.1) montiert sowie zeitweise drehschlüssig an das besagte erste Zahnrad (3.1) gekoppelt ist, derart dass die Kurvenscheibe (3.2) aufgrund ihrer Drehfreiheit in einem Winkelbereich und/oder in einer einzigen Drehrichtung von dem besagten ersten Zahnrad (3.1) auf unstetige Weise mit der Drehzahl von einer Umdrehung pro Tag angetrieben wird,
    - ein zweites Drehteil (4), das Wippendrehteil, das umfasst
    ∘ ein zweites Zahnrad (4.1), das über das besagte erste Zahnrad (3.1) mit der Drehzahl von einer Umdrehung pro Tag angetrieben wird,
    - eine Auslöse- und Antriebswippe (4.3), die trägt
    ∘ einen Taster (4.4), der sich auf die besagte, an dem ersten Zahnrad (3.1) montierte Kurvenscheibe (3.2) stützt und als Auslösefinger dient, und
    ∘ einen Antriebsfinger (4.5), der mit sich auf der Datumsscheibe (1) befindenden Zähnen (1.1) in Eingriff gelangen kann,
    - eine Auslöse- und Antriebsfeder (5), die auf einem Gestell der entsprechenden Uhr montiert ist und auf die besagte Auslöse- und Antriebswippe (4.3) eine Vorspannungskraft ausübt, die geeignet ist, den Taster (4.4) gegen die Kurvenscheibe (3.2) aufzudrücken sowie genügend Energie zu speichern, um einen augenblicklichen Sprung der Datumsscheibe (1) sicherzustellen, und
    - ein Haltemittel (6), das das Sicherstellen der Winkelposition der Datumsscheibe (1) zwischen zwei augenblicklichen Sprüngen ermöglicht,
    dadurch gekennzeichnet, dass das Wippendrehteil (4) ferner umfasst
    ∘ eine Schwenkachse (4.2), die exzentrisch auf dem besagten zweiten Zahnrad (4.1) platziert ist, wobei die besagte Auslöse- und Antriebswippe (4.3) vollständig um die besagte Schwenkachse (4.2) schwenkbar auf dem besagten zweiten Zahnrad (4.1) montiert ist,
    derart dass das besagte zweite Zahnrad (4.1) das Verlagern der besagten Schwenkachse (4.2) der Auslöse- und Antriebswippe (4.3) durch Drehung ermöglicht, derart dass der Antriebsfinger (4.5) der Auslöse- und Antriebswippe (4.3) unmittelbar vor jedem augenblicklichen Sprung hinter einem Zahn (1.1) der Datumsscheibe (1) platziert wird und er nach jedem augenblicklichen Sprung an der äußeren Peripherie der Bahn der Zähne (1.1) der Datumsscheibe (1) platziert wird.
  2. Vorrichtung nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass der Antriebsfinger (4.5) auf in Bezug auf die Auslöse- und Antriebswippe (4.3) einziehbare Weise angeordnet ist, um die Einstellung des Datums durch ein Mittel zur Schnelleinstellung des Datums der entsprechenden Uhr zu ermöglichen.
  3. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Antriebsfinger (4.5) von einem getrennten Teil gebildet ist, das auf schwenkbare Weise auf der Auslöse- und Antriebswippe (4.3) montiert ist.
  4. Vorrichtung nach einem der vorhergehenden Ansprüche 1 bis 2, dadurch gekennzeichnet, dass der Antriebsfinger (4.5) von einem flexiblen Teil gebildet ist, das an der Auslöse- und Antriebswippe (4.3) montiert oder einteilig damit gebildet ist.
  5. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Auslöse- und Antriebswippe (4.3) eine Vorspannungsfeder (4.6) umfasst, die eine Vorspannungskraft auf den Antriebsfinger (4.5) ausübt, die ihn in Richtung der sich auf der Datumsscheibe (1) befindenden Zähne (1.1) vorspannt.
  6. Vorrichtung nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass die Vorspannungskraft der Vorspannungsfeder (4.6) auf der Auslöse- und Antriebswippe (4.3) derart gewählt wird, dass im Zusammenwirken mit dem Haltemittel (6) die Winkelposition der Datumsscheibe (1) unmittelbar nach jedem augenblicklichen Sprung gesichert werden kann, um jede unerwartete Verlagerung der Datumsscheibe (1) zu vermeiden.
  7. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Taster (4.4), der sich auf der Auslöse- und Antriebswippe (4.3) befindet, mit einer Rolle (4.4.1) ausgerüstet ist.
  8. Vorrichtung nach einem der vorhergehenden Ansprüche 1 bis 7, dadurch gekennzeichnet, dass die Kurvenscheibe (3.2) über einen begrenzten Winkelbereich frei drehbar auf dem besagten ersten Zahnrad (3.1) montiert sowie mittels einer Führungsnut (3.1.1), die im Wesentlichen die Form eines Halbkreisbogens auf dem ersten Zahnrad (3.1) aufweist, und eines Sperrstifts (3.2.1) auf der Kurvenscheibe, der in der besagten Führungsnut (3.1.1) untergebracht ist, oder umgekehrt, zeitweise drehschlüssig an das besagte erste Zahnrad (3.1) gekoppelt ist, wobei die besagte Kurvenscheibe (3.2) auf dem besagten ersten Zahnrad (3.1) um eine in Bezug auf die Drehachse des ersten Zahnrads (3.1) exzentrische Drehachse (3.1.2) drehbar montiert ist.
  9. Vorrichtung nach einem der vorhergehenden Ansprüche 1 bis 7, dadurch gekennzeichnet, dass die Kurvenscheibe (3.2) über einen begrenzten Winkelbereich frei drehbar auf dem besagten ersten Zahnrad (3.1) montiert sowie mittels einer Führungsnut (3.1.4.1), die im Wesentlichen die Form eines Kreisbogenabschnitts auf dem ersten Zahnrad (3.1) aufweist, und eines Sperrstifts (3.2.1) auf der Kurvenscheibe, der in der besagten Führungsnut (3.1.4.1) untergebrachtist, oder umgekehrt, sowie mittels eines unidirektionalen Auskupplungsmittels (3.1.3, 3.1.4), das auf dem besagten ersten Zahnrad (3.1) angeordnet ist, zeitweise drehschlüssig an das besagte erste Zahnrad (3.1) gekoppelt ist, wobei die besagte Kurvenscheibe (3.2) auf dem besagten ersten Zahnrad (3.1) in Bezug auf die Drehachse des ersten Zahnrads (3.1) koaxial drehbar montiert ist.
  10. Vorrichtung nach einem der vorhergehenden Ansprüche 1 bis 7, dadurch gekennzeichnet, dass die Kurvenscheibe (3.2) in einer einzigen Drehrichtung frei drehbar auf dem besagten ersten Zahnrad (3.1) montiert sowie mittels eines unidirektionalen Auskupplungsmittels (3.1.5, 3.2.2), das zwischen dem ersten Zahnrad (3.1) und der Kurvenscheibe (3.2) angeordnet ist, zeitweise drehschlüssig an das besagte erste Zahnrad (3.1) gekoppelt ist, wobei die besagte Kurvenscheibe (3.2) auf dem besagten ersten Zahnrad (3.1) in Bezug auf die Drehachse des ersten Zahnrads (3.1) koaxial drehbar montiert ist.
  11. Vorrichtung nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass die Auslöse- und Antriebswippe (4.3) einteilig gebildet ist.
  12. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Drehrichtung des besagten zweiten Zahnrads (4.1) des zweiten Drehteils (4) derjenigen des besagte ersten Zahnrads (3.1) des ersten Drehteils (3) entgegengesetzt ist.
  13. Uhrwerk, dadurch gekennzeichnet, dass es eine augenblicklich schaltende Steuervorrichtung nach einem der vorhergehenden Ansprüche umfasst.
  14. Uhr, dadurch gekennzeichnet, dass sie eine augenblicklich schaltende Steuervorrichtung nach einem der vorhergehenden Ansprüche 1 bis 12 oder ein Uhrwerk nach dem vorhergehenden Anspruch umfasst.
  15. Uhr nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass es sich um eine Armbanduhr handelt, die mit einem mechanischen Uhrwerk ausgerüstet ist.
EP18178458.8A 2018-06-19 2018-06-19 Augenblicklich schaltende steuervorrichtung für datumsanzeige von uhren Active EP3584643B1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP18178458.8A EP3584643B1 (de) 2018-06-19 2018-06-19 Augenblicklich schaltende steuervorrichtung für datumsanzeige von uhren
CN201910315336.XA CN110618597B (zh) 2018-06-19 2019-04-19 用于时钟的日期显示的瞬时日期控制装置
US16/408,269 US11429066B2 (en) 2018-06-19 2019-05-09 Instantaneous control device for a date display of a timepiece
JP2019110289A JP7393135B2 (ja) 2018-06-19 2019-06-13 時計の日付表示のための瞬時制御装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP18178458.8A EP3584643B1 (de) 2018-06-19 2018-06-19 Augenblicklich schaltende steuervorrichtung für datumsanzeige von uhren

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EP3584643B1 true EP3584643B1 (de) 2020-11-11

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JP7349382B2 (ja) * 2020-02-07 2023-09-22 シチズン時計株式会社 回し車及び時計
EP4109182A1 (de) * 2021-06-23 2022-12-28 ETA SA Manufacture Horlogère Suisse Zusätzliches modul zur anzeige der zeitzonen
EP4194965B1 (de) * 2021-12-08 2025-12-31 Patek Philippe SA Genève Betätigungsmechanismus für uhr

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JP6788345B2 (ja) * 2015-01-12 2020-11-25 ロレックス・ソシエテ・アノニムＲｏｌｅｘ Ｓａ 時計カレンダー機構のモバイルを駆動する装置
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EP3584643A1 (de) 2019-12-25
CN110618597B (zh) 2022-06-03
CN110618597A (zh) 2019-12-27
JP2019219391A (ja) 2019-12-26
US20190384223A1 (en) 2019-12-19
JP7393135B2 (ja) 2023-12-06
US11429066B2 (en) 2022-08-30

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