EP2015146B1 - Instant display mechanism for a timepiece - Google Patents

Instant display mechanism for a timepiece Download PDF

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Publication number
EP2015146B1
EP2015146B1 EP07112479A EP07112479A EP2015146B1 EP 2015146 B1 EP2015146 B1 EP 2015146B1 EP 07112479 A EP07112479 A EP 07112479A EP 07112479 A EP07112479 A EP 07112479A EP 2015146 B1 EP2015146 B1 EP 2015146B1
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EP
European Patent Office
Prior art keywords
cam
finger
assembly
spring
toothing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Application number
EP07112479A
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German (de)
French (fr)
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EP2015146A1 (en
Inventor
Ivan Villar
Gilles Rey-Mermet
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Omega SA
Original Assignee
Omega SA
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Filing date
Publication date
Application filed by Omega SA filed Critical Omega SA
Priority to AT07112479T priority Critical patent/ATE500537T1/en
Priority to DE602007012856T priority patent/DE602007012856D1/en
Priority to EP07112479A priority patent/EP2015146B1/en
Priority to JP2008177553A priority patent/JP5294392B2/en
Priority to SG200805170-8A priority patent/SG149761A1/en
Priority to US12/172,358 priority patent/US7643379B2/en
Priority to CN2008101358047A priority patent/CN101441433B/en
Publication of EP2015146A1 publication Critical patent/EP2015146A1/en
Priority to HK09110654.7A priority patent/HK1132803A1/en
Application granted granted Critical
Publication of EP2015146B1 publication Critical patent/EP2015146B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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    • 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

Definitions

  • the invention relates to the field of watchmaking. More specifically, it concerns a mechanism for instant display of a time indication, such as a simple or annual calendar, an indication of the day of the week or the month.
  • Such display mechanisms are well known to those skilled in the art. They generally comprise a display member provided with a toothing, movable in rotation, and driven by a mobile arranged to deliver a brief pulse, passing from one indication of time to the next.
  • the mobile is conventionally formed of a finger intended to cooperate with the toothing to advance in steps, a cam integral with the rotation of the finger, and a driving wheel that draws its motive force from a movement.
  • FIG. 1 An example of such an instant display mechanism is illustrated in figure 1 .
  • the mechanism conventionally comprises a display member 10 formed of a date ring 12 provided with a toothing 14, rotatably mounted on a not shown plate.
  • the display member 10 is angularly positioned by means of a jumper 16. It is actuated in rotation by a mobile 18, which itself is rotated in the clockwise direction by a gear wheel 20 meshing with a wheel hours 22.
  • the mobile 18 comprises a finger 24 and a cam 26 integral in rotation with the finger 24 and oriented angularly with respect to the finger 24.
  • the cam 26 is provided with a pin 28 engaged in a cutout 30 of the finger 24.
  • the mobile 18 further comprises a driving wheel 32, engaged with the reference 20, in which is practiced an opening in a circular arc 34 having an active end 34a and a passive end 34b.
  • the stud 28 passes through the opening 34, so that the finger-cam assembly 26 forms with the driving wheel 32 a play coupling, in which the finger-cam assembly 26 is free to pivot at a certain angle.
  • a rocker 36 bears on the cam 26 under the action of a spring 38.
  • the cam 26, illustrated in figure 2 comprises a portion 26a with increasing radius, a portion 26b with a rapidly decreasing radius, and a portion 26c with a minimum radius.
  • the different portions define, for a given point of support of the lever 36, different angular sectors of positioning of the finger 24, corresponding to distinct modes of advance of the finger assembly 24 - cam 26.
  • the first two portions 26a and 26b define two angular sectors, respectively BA and AB, delimited by two angular positions A and B of the finger 24. In position A, the finger 24 is oriented upstream but clear of the toothing 14, and in position B, the finger 24 is oriented downstream but engaged in the toothing 14.
  • the finger 24 is said 'engaged' in the toothing 14 if it is located in the path of the toothing 14, and 'cleared' of the toothing 14 if it is located outside the path of the toothing 14.
  • the last portion 26c defines a stable position of the finger assembly 24 - cam 26, wherein the finger 24 is in position B.
  • the finger assembly 24 - cam 26 is rotated by the driving wheel 32, under the action of the pin 28 which cooperates with the active end 34a of the opening 34.
  • the rocker 36 bears on the portion 26a, so that the spring 38 tends progressively under the effect of the increase in radius of the cam 26.
  • the finger 24 is in position B and the rocker 36 is in abutment on the portion 26c, which corresponds to the minimum voltage energy position of the spring 38.
  • the finger assembly 24 - cam 26 is in position stable. This configuration is illustrated in figure 3 .
  • the pin 28 is now located approximately two-thirds of the opening 34, so that the driving wheel 32 stops driving the entire finger 24-cam 26 for the time necessary for the active end 34a of the opening 34 catches the post 28. This period of time is typically of the order of 8 hours.
  • the display mechanism of a time indication is generally provided with a fast correction device intended to directly drive the display member 10 in its current direction of operation, ie the clockwise direction in this case. .
  • a fast correction device intended to directly drive the display member 10 in its current direction of operation, ie the clockwise direction in this case.
  • the display member 10 drives the finger 24 in rotation through its toothing 14. Note that this manipulation is possible because the post 28 is not in abutment against the passive end 34b of the opening 34, but at a distance sufficient for the finger 24 to disengage from the toothing 14 without being blocked by the driving wheel 32.
  • the finger 24 can be oriented in a singular position referenced S. In this position S, the finger 24 bears on the top of the toothing 14, on which it exerts a significant force because of the action the spring 38 which holds the rocker 36 bears against the portion 26a with increasing radius of the cam 26.
  • the display member 10 is locked in an intermediate position, because the action of the jumper 16 which tends to rotate, is not sufficient to counter the action of the spring 38 which blocks it. This configuration is illustrated in figure 4 .
  • the finger 24 is positioned in the singular position S, the user may wish to go back, if he finds that he should rather correct the display in the direction of rotation opposite the current direction of operation.
  • the rapid correction devices do not allow rapid correction in this direction of reverse rotation, because of the high risk of breakage of the display mechanism.
  • they are provided with disengaging means or drive means for tilting the correction of a display member to another, according to the direction of rotation.
  • the correction in the opposite direction of the current operation is possible via the correction of the time.
  • the document EP1785783 describes an annual calendar mechanism in which the date indications are corrected almost instantaneously by means of a trigger system similar to that described above.
  • the shape of the cam simply determines the angle of rotation of the gear wheel, but it does not allow to prevent locking position for the indexing fingers with respect to the internal teeth of the driven annular disks, and in particular that indexing finger secured to the gear wheel relative to the lower annular disc.
  • the cam is furthermore arranged to rotate, under the triggering action of the spring, the finger-cam assembly so as to disengage the finger from the toothing after the finger-cam assembly has stepped the display member.
  • the finger 24 can no longer be immobilized in the singular position S in which it blocks the rotation of the display member 10. As a result, even in the event of a rearward correction by the user, any risk of breakage of the finger 24 or the toothing 14, is eliminated.
  • the instant display mechanism represented in figure 5 like the mechanism illustrated in figure 1 to 4 , a display member 10 rotatably mounted on a not shown plate, angularly positioned by means of a jumper 16, and actuated in rotation by a mobile 39.
  • the mobile 39 is identical, in its structure, to the mobile 18 described above, but is distinguished by the characteristics of its cam 40, shown in plan view in figure 6 .
  • the cam 40 illustrated in figure 6 comprises, as the cam 26, a first portion 40a increasing radius, a second portion 40b radius rapidly decreasing and a portion 40c minimum radius. It further comprises a second portion 40d with increasing radius and a second portion 40e with rapidly decreasing radius, forming together a spout 42 located between the portions 40c and 40a. At the boundary between the portions 40e and 40a is a point 40f of locally minimum radius of the cam 40.
  • the two portions 40d and 40e define two new angular sectors, respectively BC and CD, delimited by two angular positions C and D of the finger 24, and corresponding to two distinct modes of advance of the finger assembly 24 - cam 40.
  • position C the finger 24 is oriented downstream of the position B, but still engaged in the toothing 14, and in position D, it is oriented downstream of the C position but clear of the toothing 14.
  • the point 40f of locally small radius defines a second stable position of the finger assembly 24 - cam 40, wherein the finger 24 is oriented in angular position D.
  • the cycle of rotation of the mobile 39 is started at the point D.
  • the drive and the operation of the mobile 39 is identical to that of the mobile 18 on the sector BA. It is the same for the AB sector.
  • the finger 24 is in position B and the rocker 36 bears on the portion 40c.
  • the finger assembly 24 - cam 26 occupies its first stable position, and the pin 28 is located two-thirds of the opening 34.
  • the user manipulates the fast correction device.
  • the toothing 14 then drives the finger assembly 24 - cam 26 via the finger 24, on the angular sector BC corresponding to the cam portion 40d.
  • the spring 38 is stretched under the effect of the increase in radius of the cam 40.
  • figure 7 illustrates this step of the rotation cycle of the mobile 39.
  • the finger-cam assembly 26 If the user stops his manipulation before the finger 24 has reached or exceeded the angular position C, the finger-cam assembly 26 returns, under the action of the spring 38, to its first stable position in which, the finger 24 occupies the angular position B.
  • the finger 24 is driven, without user action and without the possibility of stopping in the singular position S, an angular position C located upstream of the singular position S , at an angular position D located downstream of the singular position S.
  • the user can then, without any risk of breakage of the finger 24 or the toothing 14, go back using the correction of the time.
  • the user does not manipulate the rapid correction device, and the end 34a of the opening 34 catches the pin 28 in a period of time of about eight hours. It is then the driving wheel 32 which drives the finger assembly 24 - cam 40 on the angular sector BC. Then the finger assembly 24 - cam 26 pivots rapidly under the action of the spring 38 on the angular sector CD. The finger 24 being in position D, the finger assembly 24 - cam 26 occupies its second stable position.
  • the tenon 28 is now slightly downstream of the active end 34a of the opening 34, so that the driving wheel stops driving the entire finger 24-cam 26 for the time necessary for the end active 34a of the opening 34 catches the post 28. This period of time is typically of the order of two hours. Beyond these two hours, the driving wheel again controls the finger assembly 24 - cam 26, and the rotation cycle resumes from the position D.
  • first and second portions of rapidly decreasing radius 40b and 40e of the cam 40 are adjacent.
  • the second portion 40d with increasing radius does not exist, and the minimum radius portion 40c is coincident with the point 40f at locally minimum radius.
  • the finger assembly 24 - cam 26 is rotated by the spring 38, from the angular position A to the angular position D, without stopping in the stable position B, and without going through another training mode between positions B and C.
  • This embodiment prevents the risk of breakage of the finger 24 and the toothing 14, in the same way as the embodiment described above. However, it is less advantageous because the finger 24, after driving the display member 10, is no longer engaged in the toothing 14. Therefore, it is not able to block the rotation of the display member 10, and in particular to prevent the risk of several consecutive jumps.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Toys (AREA)
  • Transmission Devices (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Displays For Variable Information Using Movable Means (AREA)
  • Electric Clocks (AREA)

Abstract

The mechanism has a display unit (10) provided with a tooth (14) movably mounted in rotation and positioned by a jumper (16). A driving mobile (39) is movably mounted in rotation, and comprises a cam (40) and an inverse cam (24), and a spring (38) indirectly cooperates with the cam. The cam is arranged for pivoting an inverse cam and cam assembly under a relaxation action of the spring in a manner to drive a step of the display unit and to release the inverse cam of the tooth after driving the assembly by the step of the display unit.

Description

L'invention se rapporte au domaine de l'horlogerie. Elle concerne plus précisément un mécanisme d'affichage instantané d'une indication de temps, tel qu'un quantième simple ou annuel, une indication du jour de la semaine ou du mois.The invention relates to the field of watchmaking. More specifically, it concerns a mechanism for instant display of a time indication, such as a simple or annual calendar, an indication of the day of the week or the month.

De tels mécanismes d'affichage sont bien connus de l'homme de métier. Ils comportent généralement un organe d'affichage muni d'une denture, mobile en rotation, et entraîné par un mobile agencé pour lui délivrer une impulsion brève, au passage d'une indication de temps à la suivante. Le mobile est classiquement formé d'un doigt destiné à coopérer avec la denture pour la faire avancer par pas, d'une came solidaire en rotation du doigt, et d'une roue entraîneuse qui tire sa force motrice d'un mouvement.Such display mechanisms are well known to those skilled in the art. They generally comprise a display member provided with a toothing, movable in rotation, and driven by a mobile arranged to deliver a brief pulse, passing from one indication of time to the next. The mobile is conventionally formed of a finger intended to cooperate with the toothing to advance in steps, a cam integral with the rotation of the finger, and a driving wheel that draws its motive force from a movement.

Un exemple d'un tel mécanisme d'affichage instantané est illustrée en figure 1. Le mécanisme comprend classiquement un organe d'affichage 10 formé d'un anneau de quantième 12 muni d'une denture 14, monté mobile en rotation sur une platine non représentée. L'organe d'affichage 10 est positionné angulairement à l'aide d'un sautoir 16. Il est actionné en rotation par un mobile 18, lui-même entraîné en rotation dans le sens horaire par un renvoi 20 en prise avec une roue des heures 22.An example of such an instant display mechanism is illustrated in figure 1 . The mechanism conventionally comprises a display member 10 formed of a date ring 12 provided with a toothing 14, rotatably mounted on a not shown plate. The display member 10 is angularly positioned by means of a jumper 16. It is actuated in rotation by a mobile 18, which itself is rotated in the clockwise direction by a gear wheel 20 meshing with a wheel hours 22.

Le mobile 18 comporte un doigt 24 et une came 26 solidaire en rotation du doigt 24 et orientée angulairement par rapport au doigt 24. A cet effet, la came 26 est munie d'un tenon 28 engagé dans une découpe 30 du doigt 24. Le mobile 18 comporte encore une roue entraîneuse 32, en prise avec le renvoi 20, dans laquelle est pratiquée une ouverture en arc de cercle 34 comportant une extrémité 34a active et une extrémité 34b passive. Le tenon 28 traverse l'ouverture 34, de sorte que l'ensemble doigt 24 - came 26 forme avec la roue entraîneuse 32 un accouplement à jeu, dans lequel l'ensemble doigt 24 - came 26 est libre de pivoter d'un certain angle. Une bascule 36 vient en appui sur la came 26 sous l'action d'un ressort 38.The mobile 18 comprises a finger 24 and a cam 26 integral in rotation with the finger 24 and oriented angularly with respect to the finger 24. For this purpose, the cam 26 is provided with a pin 28 engaged in a cutout 30 of the finger 24. The mobile 18 further comprises a driving wheel 32, engaged with the reference 20, in which is practiced an opening in a circular arc 34 having an active end 34a and a passive end 34b. The stud 28 passes through the opening 34, so that the finger-cam assembly 26 forms with the driving wheel 32 a play coupling, in which the finger-cam assembly 26 is free to pivot at a certain angle. . A rocker 36 bears on the cam 26 under the action of a spring 38.

La came 26, illustrée en figure 2, comporte une portion 26a à rayon croissant, une portion 26b à rayon rapidement décroissant, et une portion 26c à rayon minimum. Les différentes portions définissent, pour un point d'appui donné de la bascule 36, différents secteurs angulaires de positionnement du doigt 24, correspondant à des modes d'avance distincts de l'ensemble doigt 24 - came 26. Les deux premières portions 26a et 26b définissent deux secteurs angulaires, respectivement BA et AB, délimités par deux postions angulaires A et B du doigt 24. En position A, le doigt 24 est orienté en amont mais dégagé de la denture 14, et en position B, le doigt 24 est orienté en aval mais engagé dans la denture 14. On précisera que le doigt 24 est dit 'engagé' dans la denture 14 s'il est situé sur le trajet de la denture 14, et 'dégagé' de la denture 14 s'il est situé hors du trajet de la denture 14. La dernière portion 26c définit une position stable de l'ensemble doigt 24 - came 26, dans laquelle le doigt 24 est en position B.The cam 26, illustrated in figure 2 , comprises a portion 26a with increasing radius, a portion 26b with a rapidly decreasing radius, and a portion 26c with a minimum radius. The different portions define, for a given point of support of the lever 36, different angular sectors of positioning of the finger 24, corresponding to distinct modes of advance of the finger assembly 24 - cam 26. The first two portions 26a and 26b define two angular sectors, respectively BA and AB, delimited by two angular positions A and B of the finger 24. In position A, the finger 24 is oriented upstream but clear of the toothing 14, and in position B, the finger 24 is oriented downstream but engaged in the toothing 14. It will be specified that the finger 24 is said 'engaged' in the toothing 14 if it is located in the path of the toothing 14, and 'cleared' of the toothing 14 if it is located outside the path of the toothing 14. The last portion 26c defines a stable position of the finger assembly 24 - cam 26, wherein the finger 24 is in position B.

Sur le premier secteur angulaire BA, l'ensemble doigt 24 - came 26 est entraîné en rotation par la roue entraîneuse 32, sous l'action du tenon 28 qui coopère avec l'extrémité active 34a de l'ouverture 34. Sur l'ensemble de ce secteur angulaire, la bascule 36 est en appui sur la portion 26a, de sorte que le ressort 38 se tend progressivement sous l'effet de l'augmentation de rayon de la came 26.On the first angular sector BA, the finger assembly 24 - cam 26 is rotated by the driving wheel 32, under the action of the pin 28 which cooperates with the active end 34a of the opening 34. On the whole of this angular sector, the rocker 36 bears on the portion 26a, so that the spring 38 tends progressively under the effect of the increase in radius of the cam 26.

Lorsque le doigt 24 arrive en position A, le point d'appui de la bascule 36 passe de la portion 26a à la portion 26b. Sous l'effet de la diminution rapide de rayon de la came 26, le ressort se détend brusquement, entraînant en rotation l'ensemble doigt 24 - came 26 sur l'ensemble du deuxième secteur angulaire AB.When the finger 24 arrives at position A, the fulcrum of the rocker 36 passes from the portion 26a to the portion 26b. Under the effect of the rapid decrease of radius of the cam 26, the spring relaxes abruptly, rotating the whole finger 24 - cam 26 over the entire second angular sector AB.

En fin de pivotement, le doigt 24 est en position B et la bascule 36 est en appui sur la portion 26c, qui correspond à la position d'énergie de tension minimum du ressort 38. L'ensemble doigt 24 - came 26 est en position stable. Cette configuration est illustrée en figure 3. Le tenon 28 est maintenant situé aux deux tiers environ de l'ouverture 34, de sorte que la roue entraîneuse 32 cesse d'entraîner l'ensemble doigt 24 - came 26 pendant le laps de temps nécessaire pour que l'extrémité active 34a de l'ouverture 34 rattrape le tenon 28. Ce laps de temps est typiquement de l'ordre de 8 heures.At the end of pivoting, the finger 24 is in position B and the rocker 36 is in abutment on the portion 26c, which corresponds to the minimum voltage energy position of the spring 38. The finger assembly 24 - cam 26 is in position stable. This configuration is illustrated in figure 3 . The pin 28 is now located approximately two-thirds of the opening 34, so that the driving wheel 32 stops driving the entire finger 24-cam 26 for the time necessary for the active end 34a of the opening 34 catches the post 28. This period of time is typically of the order of 8 hours.

Le passage brutal du doigt 24 de la position A à la position B a entraîné en rotation d'un pas l'organe d'affichage 10. Pendant environ 8 heures après cette rotation de l'organe d'affichage 10, le doigt 24 est bloqué en position B sous l'effet du ressort 38 qui maintient la bascule 36 en appui sur la portion 26c. Dans cette position, on a constaté qu'un risque de mauvaise manipulation pouvant entraîner des dégâts importants, n'est pas exclu.The abrupt passage of the finger 24 from the position A to the position B has caused the display member 10 to be rotated by a step. For about 8 hours after this rotation of the display member 10, the finger 24 is locked in position B under the effect of the spring 38 which maintains the rocker 36 bearing on the portion 26c. In this position, it has been found that a risk of mishandling which can lead to serious damage is not excluded.

En effet, le mécanisme d'affichage d'une indication de temps est généralement muni d'un dispositif de correction rapide destiné à entraîner directement l'organe d'affichage 10 dans son sens de fonctionnement courant, soit le sens horaire dans le cas présent. Lorsque l'utilisateur actionne le dispositif de correction rapide alors que le doigt 24 est en position B, engagé dans la denture 14, l'organe d'affichage 10 vient entraîner le doigt 24 en rotation, par l'intermédiaire de sa denture 14. On notera que cette manipulation est possible car le tenon 28 n'est pas en butée contre l'extrémité passive 34b de l'ouverture 34, mais à une distance suffisante pour que le doigt 24 puisse se dégager de la denture 14 sans être bloqué par la roue entraîneuse 32.Indeed, the display mechanism of a time indication is generally provided with a fast correction device intended to directly drive the display member 10 in its current direction of operation, ie the clockwise direction in this case. . When the user actuates the rapid correction device while the finger 24 is in position B, engaged in the toothing 14, the display member 10 drives the finger 24 in rotation through its toothing 14. Note that this manipulation is possible because the post 28 is not in abutment against the passive end 34b of the opening 34, but at a distance sufficient for the finger 24 to disengage from the toothing 14 without being blocked by the driving wheel 32.

Si le dispositif de correction rapide est actionné partiellement, le doigt 24 peut se trouver orienté dans une position singulière référencée S. Dans cette position S, le doigt 24 est en appui sur le sommet de la denture 14, sur laquelle il exerce une force importante en raison de l'action du ressort 38 qui maintient la bascule 36 en appui sur la portion 26a à rayon croissant de la came 26. L'organe d'affichage 10 est bloqué dans une position intermédiaire, car l'action du sautoir 16 qui tend à le faire tourner, n'est pas suffisante pour contrer l'action du ressort 38 qui le bloque. Cette configuration est illustrée en figure 4.If the rapid correction device is partially actuated, the finger 24 can be oriented in a singular position referenced S. In this position S, the finger 24 bears on the top of the toothing 14, on which it exerts a significant force because of the action the spring 38 which holds the rocker 36 bears against the portion 26a with increasing radius of the cam 26. The display member 10 is locked in an intermediate position, because the action of the jumper 16 which tends to rotate, is not sufficient to counter the action of the spring 38 which blocks it. This configuration is illustrated in figure 4 .

Le doigt 24 étant positionné dans la position singulière S, l'utilisateur peut souhaiter revenir en arrière, s'il constate qu'il aurait dû plutôt corriger l'affichage dans le sens de rotation inverse du sens de fonctionnement courant. Généralement, les dispositifs de correction rapide ne permettent pas la correction rapide dans ce sens de rotation inverse, en raison du risque élevé de casse du mécanisme d'affichage. A cet effet, ils sont pourvus de moyens de débrayage ou de moyens baladeurs destinés à faire basculer la correction d'un organe d'affichage à un autre, selon le sens de rotation. Toutefois, la correction en sens inverse du fonctionnement courant, est possible par l'intermédiaire de la correction de l'heure. Si, donc, l'utilisateur tente de corriger la position de l'organe d'affichage 10 dans le sens de rotation inverse du fonctionnement courant, alors que le doigt 24 est immobilisé dans la position singulière S, cette manipulation entraîne immanquablement la casse du doigt 24 ou d'une partie de la denture 14. Le mécanisme d'affichage instantané n'est alors plus fonctionnel.The finger 24 is positioned in the singular position S, the user may wish to go back, if he finds that he should rather correct the display in the direction of rotation opposite the current direction of operation. Generally, the rapid correction devices do not allow rapid correction in this direction of reverse rotation, because of the high risk of breakage of the display mechanism. For this purpose, they are provided with disengaging means or drive means for tilting the correction of a display member to another, according to the direction of rotation. However, the correction in the opposite direction of the current operation is possible via the correction of the time. If, therefore, the user attempts to correct the position of the display member 10 in the opposite direction of rotation of the current operation, while the finger 24 is immobilized in the singular position S, this manipulation inevitably entails the breakage of the finger 24 or a portion of the toothing 14. The instant display mechanism is then no longer functional.

Le document EP1785783 décrit un mécanisme de quantième annuel dans lequel les indications de quantième sont corrigées de manière quasi-instantanée grâce à un système de déclenchement similaire à celui décrit ci-dessus. La forme de la came détermine simplement l'angle de rotation de la roue d'engrenage, mais elle ne permet toutefois pas d'empêcher de position bloquante pour les doigts d'indexation par rapport aux dentures intérieures des disques annulaires entraînés, et notamment celle du doigt d'indexation solidaire de la roue d'engrenage par rapport au disque annulaire inférieur.The document EP1785783 describes an annual calendar mechanism in which the date indications are corrected almost instantaneously by means of a trigger system similar to that described above. The shape of the cam simply determines the angle of rotation of the gear wheel, but it does not allow to prevent locking position for the indexing fingers with respect to the internal teeth of the driven annular disks, and in particular that indexing finger secured to the gear wheel relative to the lower annular disc.

La présente invention a pour but de remédier à cet inconvénient en proposant un mécanisme d'affichage instantané dans lequel la position singulière S est rendue impossible. Plus précisément, l'invention concerne un mécanisme d'affichage instantané pour pièce d'horlogerie comportant :

  • un organe d'affichage muni d'une denture, monté mobile en rotation, positionné à l'aide d'un sautoir,
  • un mobile d'entraînement monté mobile en rotation, comprenant une came et un doigt solidaire en rotation de la came, le doigt coopérant avec la denture pour entraîner l'organe d'affichage par pas,
  • un ressort coopérant au moins indirectement avec la came,
la came étant agencée pour faire pivoter, sous l'action de détente du ressort, l'ensemble doigt - came de manière à entraîner d'un pas l'organe d'affichage.The object of the present invention is to remedy this drawback by proposing an instantaneous display mechanism in which the singular position S is rendered impossible. More specifically, the invention relates to an instantaneous display mechanism for a timepiece comprising:
  • a display member provided with a toothing, rotatably mounted, positioned by means of a jumper,
  • a drive wheel mounted rotatably, comprising a cam and a finger integral in rotation with the cam, the finger cooperating with the toothing for driving the display member in steps,
  • a spring cooperating at least indirectly with the cam,
the cam being arranged to rotate, under the action of expansion of the spring, the finger-cam assembly so as to lead one step the display member.

Selon l'invention, la came est, en outre, agencée pour faire pivoter, sous l'action de détente du ressort, l'ensemble doigt - came de manière à dégager le doigt de la denture après que l'ensemble doigt - came ait entraîné d'un pas l'organe d'affichage.According to the invention, the cam is furthermore arranged to rotate, under the triggering action of the spring, the finger-cam assembly so as to disengage the finger from the toothing after the finger-cam assembly has stepped the display member.

Grâce à cette caractéristique de la came, le doigt 24 ne peut plus être immobilisé dans la position singulière S dans laquelle il bloque la rotation de l'organe d'affichage 10. Il en résulte que, même en cas de correction arrière par l'utilisateur, tout risque de casse du doigt 24 ou de la denture 14, est éliminé.Thanks to this characteristic of the cam, the finger 24 can no longer be immobilized in the singular position S in which it blocks the rotation of the display member 10. As a result, even in the event of a rearward correction by the user, any risk of breakage of the finger 24 or the toothing 14, is eliminated.

D'autres caractéristiques et avantages de la présente invention ressortiront plus clairement de la description détaillée qui suit d'un exemple de réalisation d'un mécanisme d'affichage instantané selon l'invention, cet exemple étant donné à titre purement illustratif et non limitatif seulement, en liaison avec le dessin annexé sur lequel :

  • la figure 5 est une vue de dessus d'un mécanisme d'affichage selon l'invention,
  • la figure 6 est une vue d'une came appartenant audit mécanisme d'affichage, et
  • les figures 7 et 8 illustrent le fonctionnement du mécanisme d'affichage selon l'invention.
Other features and advantages of the present invention will emerge more clearly from the following detailed description of an exemplary embodiment of an instantaneous display mechanism according to the invention, this example being given for purely illustrative and not limiting purposes only. , in connection with the appended drawing in which:
  • the figure 5 is a top view of a display mechanism according to the invention,
  • the figure 6 is a view of a cam belonging to said display mechanism, and
  • the figures 7 and 8 illustrate the operation of the display mechanism according to the invention.

Le mécanisme d'affichage instantané représenté en figure 5, comprend, à l'instar du mécanisme illustré en figure 1 à 4, un organe d'affichage 10 monté mobile en rotation sur une platine non représentée, positionné angulairement à l'aide d'un sautoir 16, et actionné en rotation par un mobile 39. Le mobile 39 est identique, dans sa structure, au mobile 18 décrit précédemment, mais s'en distingue par les caractéristiques de sa came 40, représentée en vue de dessus en figure 6.The instant display mechanism represented in figure 5 , like the mechanism illustrated in figure 1 to 4 , a display member 10 rotatably mounted on a not shown plate, angularly positioned by means of a jumper 16, and actuated in rotation by a mobile 39. The mobile 39 is identical, in its structure, to the mobile 18 described above, but is distinguished by the characteristics of its cam 40, shown in plan view in figure 6 .

La came 40 illustrée en figure 6, comporte, comme la came 26, une première portion 40a à rayon croissant, une deuxième portion 40b à rayon rapidement décroissant et une portion 40c à rayon minimum. Elle comporte, en outre, une deuxième portion 40d à rayon croissant et une deuxième portion 40e à rayon rapidement décroissant, formant ensemble un bec 42 situé entre les portions 40c et 40a. A la limite entre les portions 40e et 40a se situe un point 40f de rayon localement minimum de la came 40.The cam 40 illustrated in figure 6 , comprises, as the cam 26, a first portion 40a increasing radius, a second portion 40b radius rapidly decreasing and a portion 40c minimum radius. It further comprises a second portion 40d with increasing radius and a second portion 40e with rapidly decreasing radius, forming together a spout 42 located between the portions 40c and 40a. At the boundary between the portions 40e and 40a is a point 40f of locally minimum radius of the cam 40.

Les deux portions 40d et 40e définissent deux nouveaux secteurs angulaires, respectivement BC et CD, délimités par deux positions angulaires C et D du doigt 24, et correspondant à deux modes d'avance distincts de l'ensemble doigt 24 - came 40. En position C, le doigt 24 est orienté en aval de la position B, mais toujours engagé dans la denture 14, et en position D, il est orienté en aval de la position C mais dégagé de la denture 14. Le point 40f de rayon localement minimum définit une deuxième position stable de l'ensemble doigt 24 - came 40, dans laquelle le doigt 24 est orienté en position angulaire D.The two portions 40d and 40e define two new angular sectors, respectively BC and CD, delimited by two angular positions C and D of the finger 24, and corresponding to two distinct modes of advance of the finger assembly 24 - cam 40. In position C, the finger 24 is oriented downstream of the position B, but still engaged in the toothing 14, and in position D, it is oriented downstream of the C position but clear of the toothing 14. The point 40f of locally small radius defines a second stable position of the finger assembly 24 - cam 40, wherein the finger 24 is oriented in angular position D.

Le fonctionnement du mécanisme d'affichage instantané muni de la came 40 est illustré sur les figures 7 et 8.The operation of the instant display mechanism provided with the cam 40 is illustrated on the figures 7 and 8 .

On commence le cycle de rotation du mobile 39 au point D. Sur le premier secteur angulaire DA, l'entraînement et le fonctionnement du mobile 39 est identique celui du mobile 18 sur le secteur BA. Il en est de même pour le secteur AB. En fin de pivotement sur le secteur AB, le doigt 24 est en position B et la bascule 36 est en appui sur la portion 40c. L'ensemble doigt 24 - came 26 occupe sa première position de stable, et le tenon 28 est situé aux deux tiers de l'ouverture 34.The cycle of rotation of the mobile 39 is started at the point D. On the first angular sector DA, the drive and the operation of the mobile 39 is identical to that of the mobile 18 on the sector BA. It is the same for the AB sector. At the end of pivoting on the sector AB, the finger 24 is in position B and the rocker 36 bears on the portion 40c. The finger assembly 24 - cam 26 occupies its first stable position, and the pin 28 is located two-thirds of the opening 34.

Lorsque le doigt est en position B, deux cas de figure peuvent se présenter.When the finger is in position B, two cases can occur.

Dans un premier cas de figure, qui nous intéresse particulièrement, l'utilisateur manipule le dispositif de correction rapide. La denture 14 entraîne alors l'ensemble doigt 24 - came 26 par l'intermédiaire du doigt 24, sur le secteur angulaire BC correspondant à la portion de came 40d. Le ressort 38 se tend sous l'effet de l'augmentation de rayon de la came 40. La figure 7 illustre cette étape du cycle de rotation du mobile 39.In a first case, which is of particular interest to us, the user manipulates the fast correction device. The toothing 14 then drives the finger assembly 24 - cam 26 via the finger 24, on the angular sector BC corresponding to the cam portion 40d. The spring 38 is stretched under the effect of the increase in radius of the cam 40. figure 7 illustrates this step of the rotation cycle of the mobile 39.

Si l'utilisateur stoppe sa manipulation avant que le doigt 24 n'ait atteint ou dépassé la position angulaire C, l'ensemble doigt 24 - came 26 revient, sous l'action du ressort 38, à sa première position stable dans laquelle, le doigt 24 occupe la position angulaire B.If the user stops his manipulation before the finger 24 has reached or exceeded the angular position C, the finger-cam assembly 26 returns, under the action of the spring 38, to its first stable position in which, the finger 24 occupies the angular position B.

On se référera maintenant à la figure 8. Si l'utilisateur poursuit sa manipulation, le doigt 24 dépasse la position C, dans laquelle il est encore engagé dans la denture 14, et la bascule 36 passe de la portion 40d à la portion 40e. Le ressort se détend brusquement sous l'effet de la diminution de rayon de la came 40, et entraîne l'ensemble doigt 24 - came 40 en rotation sur l'ensemble du secteur angulaire CD. En fin de pivotement, le doigt 24 est en position D, dégagé de la denture 14, et l'ensemble doigt 24 - came 40 occupe sa deuxième position stable. De plus, l'organe d'affichage 10, entraîné par le sautoir 16, a tourné d'un pas.We will now refer to the figure 8 . If the user continues its manipulation, the finger 24 exceeds the position C, in which it is still engaged in the toothing 14, and the rocker 36 passes from the portion 40d to the portion 40e. The spring suddenly relaxes under the effect of the decrease in radius of the cam 40, and causes the entire finger 24 - cam 40 to rotate over the entire angular sector CD. At the end of pivoting, the finger 24 is in position D, clear of the toothing 14, and the finger assembly 24 - cam 40 occupies its second stable position. In addition, the display member 10, driven by the jumper 16, has turned a step.

Grâce à la deuxième portion 40e à rayon rapidement décroissant, le doigt 24 est donc entraîné, sans action de l'utilisateur et sans possibilité d'arrêt dans la position singulière S, d'une position angulaire C située en amont de la position singulière S, à une position angulaire D située en aval de la position singulière S. L'utilisateur peut alors, sans aucun risque de casse du doigt 24 ou de la denture 14, revenir en arrière à l'aide de la correction de l'heure.Thanks to the second portion 40e rapidly decreasing radius, the finger 24 is driven, without user action and without the possibility of stopping in the singular position S, an angular position C located upstream of the singular position S , at an angular position D located downstream of the singular position S. The user can then, without any risk of breakage of the finger 24 or the toothing 14, go back using the correction of the time.

Dans un deuxième cas de figure, l'utilisateur ne manipule pas le dispositif de correction rapide, et l'extrémité 34a de l'ouverture 34 rattrape le tenon 28 dans un laps de temps de huit heures environ. C'est alors la roue entraîneuse 32 qui entraîne l'ensemble doigt 24 - came 40 sur le secteur angulaire BC. Puis l'ensemble doigt 24 - came 26 pivote rapidement sous l'action du ressort 38, sur le secteur angulaire CD. Le doigt 24 étant en position D, l'ensemble doigt 24 - came 26 occupe sa deuxième position stable.In a second case, the user does not manipulate the rapid correction device, and the end 34a of the opening 34 catches the pin 28 in a period of time of about eight hours. It is then the driving wheel 32 which drives the finger assembly 24 - cam 40 on the angular sector BC. Then the finger assembly 24 - cam 26 pivots rapidly under the action of the spring 38 on the angular sector CD. The finger 24 being in position D, the finger assembly 24 - cam 26 occupies its second stable position.

Le tenon 28 est maintenant légèrement en aval de l'extrémité active 34a de l'ouverture 34, de sorte que la roue entraîneuse cesse d'entraîner l'ensemble doigt 24 -- came 26 pendant le laps de temps nécessaire pour que l'extrémité active 34a de l'ouverture 34 rattrape le tenon 28. Ce laps de temps est typiquement de l'ordre de deux heures. Au-delà de ces deux heures, la roue entraîneuse commande à nouveau l'ensemble doigt 24 - came 26, et le cycle de rotation reprend à partir de la position D.The tenon 28 is now slightly downstream of the active end 34a of the opening 34, so that the driving wheel stops driving the entire finger 24-cam 26 for the time necessary for the end active 34a of the opening 34 catches the post 28. This period of time is typically of the order of two hours. Beyond these two hours, the driving wheel again controls the finger assembly 24 - cam 26, and the rotation cycle resumes from the position D.

On a ainsi décrit un mécanisme d'affichage d'une indication de temps exempt des risques de casse existant dans les mécanismes connus. Il va de soi que la présente invention n'est pas limitée au mode de réalisation qui vient d'être décrit, et que diverses modifications et variantes simples peuvent être envisagées par l'homme de métier, sans sortir du cadre de la présente invention telle que définie par les revendications annexées.A mechanism for displaying a time indication that is free from the risks of breakage existing in the known mechanisms has thus been described. It goes without saying that the present invention is not limited to the embodiment which has just been described, and that various modifications and simple variants can be envisaged by those skilled in the art, without departing from the scope of the present invention such as defined by the appended claims.

On notera en particulier, que, dans un mode de réalisation simplifié, la première et la deuxième portions à rayon rapidement décroissant 40b et 40e de la came 40 sont attenantes. La deuxième portion 40d à rayon croissant n'existe pas, et la portion à rayon minimum 40c est confondue avec le point 40f à rayon localement minimum.It will be noted in particular that, in a simplified embodiment, the first and second portions of rapidly decreasing radius 40b and 40e of the cam 40 are adjacent. The second portion 40d with increasing radius does not exist, and the minimum radius portion 40c is coincident with the point 40f at locally minimum radius.

Grâce à cette structure de came 40, l'ensemble doigt 24 - came 26 est entraîné en rotation par le ressort 38, depuis la position angulaire A à la position angulaire D, sans marquer d'arrêt en position stable B, et sans passer par un autre mode d'entraînement entre les positions B et C.With this cam structure 40, the finger assembly 24 - cam 26 is rotated by the spring 38, from the angular position A to the angular position D, without stopping in the stable position B, and without going through another training mode between positions B and C.

Ce mode de réalisation prévient les risques de casse du doigt 24 et de la denture 14, au même titre que le mode de réalisation décrit précédemment. Toutefois, il est moins avantageux, car le doigt 24, après entraînement de l'organe d'affichage 10, n'est plus engagé dans la denture 14. Par conséquent, il n'est pas en mesure de bloquer la rotation de l'organe d'affichage 10, et en particulier de prévenir le risque de plusieurs sauts consécutifs.This embodiment prevents the risk of breakage of the finger 24 and the toothing 14, in the same way as the embodiment described above. However, it is less advantageous because the finger 24, after driving the display member 10, is no longer engaged in the toothing 14. Therefore, it is not able to block the rotation of the display member 10, and in particular to prevent the risk of several consecutive jumps.

Claims (10)

  1. Instantaneous display mechanism for a timepiece, including:
    - a display member (10) fitted with a toothing (14) mounted so as to move in rotation, positioned using a jumper spring (16),
    - a drive wheel set (39) mounted so as to move in rotation, including a cam (40) and a finger (24) secured in rotation to the cam (40), said finger (24) cooperating with said toothing (14) to drive the display member (10) by steps,
    - a spring (38) cooperating at least indirectly with said cam (40),
    said cam (40) being arranged for pivoting, via the slackening action of said spring (38), the finger (24) cam (40) assembly so as to drive said display member (10) through one step,
    characterized in that said cam (40) is further arranged for pivoting the finger (24) - cam (40) assembly, via the slackening action of said spring (38), so as to release said finger (24) from said toothing (14) after the finger (24) - cam (40) assembly has driven said display member (10) through one step.
  2. Display mechanism according to claim 1, characterized in that said cam (40) is further arranged for holding, via the pressure action of said spring (38), said finger (24) engaged in said toothing (14), after the finger (24) - cam (40) assembly has driven said display member (10) through one step.
  3. Display mechanism according to any of claims 1 and 2, characterized in that said cam (40) includes a first portion of decreasing radius (40b) arranged for causing the finger (24) - cam (40) assembly to pivot, via the slackening action of said spring (38), so as to drive said display member (10) through one steep, and a second portion of decreasing radius (40e) arranged for causing the finger (24) - cam (40) assembly to pivot, via the slackening action of said spring (38), so as to release said finger (24) from said toothing (14), after the finger (24) - cam (40) assembly has driven said display member (10) through one steep.
  4. Display mechanism according claim 3, characterized in that said cam (40) further includes a portion of minimum radius (40c) inserted between said first (40b) and second (40e) portions of decreasing radius, and arranged for holding, via the pressure action of said spring (38), said finger (24) engaged in said toothing (14), after finger (24) - cam (40) assembly has driven said display member (10) through one step.
  5. Display mechanism according to any of claims 1 to 4, characterized in that said drive wheel set (39) further includes a drive wheel (32) provided with an aperture in the form of an arc of a circle (34), in which a stud (28), secured to the finger (24) - cam (40) assembly, is engaged, said aperture (34) cooperating with said stud (28) to drive the finger (24) - cam (40) assembly in rotation or to leave said assembly free to pivot via the slackening action of said spring (38).
  6. Display mechanism according to claims 5, characterized in that said cam (40) further includes a first portion of increasing radius (40a) inserted between said second (40e) and first (40b) portions of decreasing radius, and arranged for straining said spring (38) via the rotational drive action of the drive wheel (32).
  7. Display mechanism according to any of claims 5 and 6, characterized in that said cam (40) further incudes a second portion of increasing radius (40d) inserted between said portion of minimum radius (40c) and said second portion of decreasing radius (40e), and arranged for straining said spring (38) via the rotational drive action of the drive wheel (32).
  8. Display mechanism according to claim 3, characterized in that said first (40b) and second (40e) portions of decreasing radius are adjoining.
  9. Display mechanism according to claim 8, characterized in that said drive wheel (39) further includes a drive wheel (32) provided with an aperture in the shape of an arc of a circle (34), in which stud (28), secured to the finger (24) - cam (40) assembly, is engaged, said aperture (34) cooperating with said stud (28) to drive the finger (24) - cam (40) assembly in rotation or to leave said assembly free via the slackening action of said spring (38).
  10. Display mechanism according to claim 9, characterized in that said cam (40) further includes a portion of minimum radius arranged for holding finger (24) released from said toothing (14), via the pressure action of said spring (38), after the finger (24) - cam (40) assembly has driven said display member (10) through one step.
EP07112479A 2007-07-13 2007-07-13 Instant display mechanism for a timepiece Active EP2015146B1 (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
AT07112479T ATE500537T1 (en) 2007-07-13 2007-07-13 INSTANT DISPLAY MECHANISM FOR CLOCK
DE602007012856T DE602007012856D1 (en) 2007-07-13 2007-07-13 Instantaneous display mechanism for watch
EP07112479A EP2015146B1 (en) 2007-07-13 2007-07-13 Instant display mechanism for a timepiece
JP2008177553A JP5294392B2 (en) 2007-07-13 2008-07-08 Instantaneous display mechanism for watches
SG200805170-8A SG149761A1 (en) 2007-07-13 2008-07-09 Instantaneous display mechanism for a timepiece
US12/172,358 US7643379B2 (en) 2007-07-13 2008-07-14 Instantaneous display mechanism for a timepiece
CN2008101358047A CN101441433B (en) 2007-07-13 2008-07-14 Instantaneous display mechanism for a timepiece
HK09110654.7A HK1132803A1 (en) 2007-07-13 2009-11-13 Instantaneous display mechanism for a timepiece

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07112479A EP2015146B1 (en) 2007-07-13 2007-07-13 Instant display mechanism for a timepiece

Publications (2)

Publication Number Publication Date
EP2015146A1 EP2015146A1 (en) 2009-01-14
EP2015146B1 true EP2015146B1 (en) 2011-03-02

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Application Number Title Priority Date Filing Date
EP07112479A Active EP2015146B1 (en) 2007-07-13 2007-07-13 Instant display mechanism for a timepiece

Country Status (8)

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US (1) US7643379B2 (en)
EP (1) EP2015146B1 (en)
JP (1) JP5294392B2 (en)
CN (1) CN101441433B (en)
AT (1) ATE500537T1 (en)
DE (1) DE602007012856D1 (en)
HK (1) HK1132803A1 (en)
SG (1) SG149761A1 (en)

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EP2407833B1 (en) * 2010-07-14 2013-03-13 Breitling AG Clearance compensation mechanism for clock movement
EP2428855B1 (en) 2010-09-08 2019-07-03 Rolex S.A. Clock piece fitted with a device for displaying predetermined time periods
EP2503407B1 (en) * 2011-03-23 2017-06-28 Montres Breguet SA Timepiece movement comprising an instant actuator controlled by the movement
WO2013102598A2 (en) 2011-12-27 2013-07-11 Rolex S.A. Spring for clock movement
WO2013102600A2 (en) 2011-12-27 2013-07-11 Rolex S.A. Spring for clock movement
EP2642354B1 (en) * 2012-03-23 2015-10-21 Omega SA Mechanism for displaying and correcting the state of two different time magnitudes
CH707269B1 (en) * 2012-11-16 2018-07-13 Winston Harry Sa Display mechanism for several different horometric information and timepiece including such a mechanism.
US11550265B2 (en) 2017-11-02 2023-01-10 Rolex Sa Drive device for horology calendar system
EP3567438B1 (en) * 2018-05-09 2022-03-23 Rolex Sa Timepiece calendar system
EP3584643B1 (en) * 2018-06-19 2020-11-11 Manufacture d'Horlogerie Audemars Piguet SA Instantaneous command device for date display of timepieces
EP3677970A1 (en) 2019-01-07 2020-07-08 Rolex Sa Drive device for a display element
EP3772673B1 (en) * 2019-08-08 2022-04-06 ETA SA Manufacture Horlogère Suisse Timepiece indexing element
CN113093503B (en) * 2020-01-08 2024-01-05 精工爱普生株式会社 Movement and timepiece

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JPS59100278U (en) * 1982-12-23 1984-07-06 セイコーエプソン株式会社 Clock calendar mechanism
JPH0293788U (en) * 1989-01-12 1990-07-25
CH681128B5 (en) * 1990-10-02 1993-07-30 Ebauchesfabrik Eta Ag
CH682285B5 (en) * 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.
KR950702716A (en) * 1993-06-17 1995-07-29 아오키 토모유키 Timepiece and a Mechanism for changing the display
DE02405094T1 (en) * 2002-02-11 2004-05-19 Rolex Sa Annual calendar mechanism for clockwork
EP1596261B1 (en) * 2004-05-14 2007-08-01 Rolex S.A. Annual calendar for a watch movement
EP1746470A1 (en) * 2005-07-20 2007-01-24 Breitling AG Timepiece with calendar mechanism
ATE528699T1 (en) * 2005-11-11 2011-10-15 Omega Sa ANNUAL CALENDAR MECHANISM FOR CLOCK MOVEMENT

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Publication number Publication date
DE602007012856D1 (en) 2011-04-14
EP2015146A1 (en) 2009-01-14
CN101441433B (en) 2011-08-10
JP2009020103A (en) 2009-01-29
JP5294392B2 (en) 2013-09-18
SG149761A1 (en) 2009-02-27
US20090016169A1 (en) 2009-01-15
US7643379B2 (en) 2010-01-05
CN101441433A (en) 2009-05-27
ATE500537T1 (en) 2011-03-15
HK1132803A1 (en) 2010-03-05

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