EP1953611A1 - Timepiece comprising a mechanism for driving a device displaying a time-related value - Google Patents

Timepiece comprising a mechanism for driving a device displaying a time-related value Download PDF

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Publication number
EP1953611A1
EP1953611A1 EP07001959A EP07001959A EP1953611A1 EP 1953611 A1 EP1953611 A1 EP 1953611A1 EP 07001959 A EP07001959 A EP 07001959A EP 07001959 A EP07001959 A EP 07001959A EP 1953611 A1 EP1953611 A1 EP 1953611A1
Authority
EP
European Patent Office
Prior art keywords
display device
finger
spring
wheel
timepiece
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.)
Granted
Application number
EP07001959A
Other languages
German (de)
French (fr)
Other versions
EP1953611B1 (en
Inventor
Olivier Mahler
Alphonse Bron
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.)
Longines Watch Co Francillon Ltd
Original Assignee
Compagnie des Montres Longines Francillon SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Compagnie des Montres Longines Francillon SA filed Critical Compagnie des Montres Longines Francillon SA
Priority to DE602007005214T priority Critical patent/DE602007005214D1/en
Priority to EP07001959A priority patent/EP1953611B1/en
Priority to AT07001959T priority patent/ATE460690T1/en
Priority to US12/018,880 priority patent/US7645068B2/en
Priority to EP08708291A priority patent/EP2115537B1/en
Priority to US12/525,268 priority patent/US8937850B2/en
Priority to KR1020097015929A priority patent/KR101418625B1/en
Priority to CN2008800035588A priority patent/CN101611356B/en
Priority to PCT/EP2008/050973 priority patent/WO2008095813A2/en
Priority to JP2009546776A priority patent/JP5254995B2/en
Priority to JP2008018758A priority patent/JP5139821B2/en
Priority to CN2008100090515A priority patent/CN101236402B/en
Publication of EP1953611A1 publication Critical patent/EP1953611A1/en
Priority to HK09100241.8A priority patent/HK1123103A1/en
Application granted granted Critical
Publication of EP1953611B1 publication Critical patent/EP1953611B1/en
Priority to HK10106140.4A priority patent/HK1140270A1/en
Priority to US14/561,076 priority patent/US9778621B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G04B19/02—Back-gearing arrangements between gear train and hands
    • 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
    • G04B27/00—Mechanical devices for setting the time indicating means
    • 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
    • G04B19/25—Devices for setting the date indicators manually

Definitions

  • the present invention relates to a correction mechanism for a device for displaying a time value of a timepiece. More specifically, the present invention relates to such a mechanism for the bidirectional correction of a display device of a temporal magnitude such as a date mechanism.
  • FIG. figure 1 A date display mechanism is shown in FIG. figure 1 attached to this patent application.
  • this date display mechanism is driven by a reference 2 which is integral with an hour wheel (not shown).
  • the reference 2 rotates in a clockwise direction and performs a complete revolution in twelve hours.
  • This reference 2 meshes with a date drive wheel 4 which rotates counterclockwise at the rate of one revolution in twenty-four hours.
  • This date drive wheel 4 carries a finger 6 by which it drives at a rate of one step per day a date wheel 8 which is indexed by a jumper 10 and which carries a cam 12.
  • the cam has an abrupt flank 14 which marks the passage between the date of the last day of a given month and the date of the first day of the following month, in other words between the date "31" and the date "1".
  • the date display mechanism 1 is completed by a control lever 16 provided at one of its ends with an arm 18 by which it bears against the cam 12 during normal operation, and comprising at its other end a rake 20 by which it meshes with a date display wheel 22 which carries the date indicator (not shown).
  • the control rocker 16 is pivoted at 24 while a second rocker 26 said return rocker is pivoted at 28.
  • This rocker 26 has a similar structure to that of the control rocker 16, including a rake 30 by which it meshes with the date display wheel 22.
  • the return lever 26 is constrained by a spring element 32 which tends to rotate in the clockwise direction.
  • the biasing lever 26 tends to turn the date display wheel 22 counterclockwise, which tends to turn the control lever 16 clockwise and to maintain its arm 18. support against the profile of the cam 12.
  • the return lever 26 has a probe 36 which cooperates with a circular cam 38 centered on the center of the movement and on the inside profile of which the probe 36 of the latch reminder 26 comes in support. Note that in the situation in which the date display mechanism is represented on the figure 1 , the probe 36 of the return lever 26 is located at a recess 40 that has the circular cam 38 on its inner profile.
  • the winding stem 42 is kinematically connected to the circular cam 38 via an element 44 which makes it possible to transform a linear displacement of said winding stem 42 into a pivoting movement of said circular cam 38.
  • this causes the annular cam 38 to pivot counterclockwise in a manner which does not will not be detailed here.
  • the anti-clockwise pivoting of the annular cam 38 makes it possible to move the arm 18 of the control lever 16 away from the trajectory of the cam 12.
  • the date display mechanism 1 described above is particularly well suited for use in a timepiece-type watch time zone.
  • the winding stem 42 has three stable positions, namely a neutral position in which it allows the reassembly of the movement, a first drawn position which allows the correction of the time zone indicator (It can be a jumping indicator that moves forward or backward by an entire step of one hour without the minute display being affected) and a second drawn position that allows the time setting of the watch.
  • the date driving wheel 4 must therefore be able to drive, via its finger 6, the date wheel 8 both clockwise and counterclockwise. This is done without any difficulty when the correction is made by means of the winding stem 42.
  • the winding stem 42 drives the hour wheel and therefore the return 2 which in turn drives the driving wheel of date 4 and its finger 6.
  • the indication of the date may be correct by means of the rapid corrector 48 shown in FIG. figure 1 . Indeed, by successive presses on the fast corrector 48, it is possible to increment the indication of the date in steps of one unit, passing this indication for example from "1" to "2", then from "2" to "3” and so on.
  • the hour wheel, the reference 2 and therefore the driving wheel of date 4 are substantially immobile.
  • the pawl When correcting the display of the watch in the opposite direction, the pawl is driven clockwise, which causes it to pivot about the first pivot against the action of the spring when meets a tooth of the date ring. This pivoting effect makes the ratchet pass on the teeth of the date ring without it driving it backwards.
  • the Hamilton system described above is a ratchet system that drives the date ring only clockwise and fades when the ring is corrected in the opposite direction. Said pawl is not capable of driving the date ring in both the clockwise and counterclockwise directions during the normal correction phase of the date display.
  • the ratchet system briefly described above is capable of driving the date ring only in one direction. In the opposite direction, it disappears in rapid correction phase.
  • the Citizen system described above also does not allow to drive the date plate in both directions.
  • the present invention relates to a timepiece comprising a drive mechanism of a display device of a magnitude related to time, this drive mechanism being itself driven by the movement of the workpiece timepiece, this timepiece further comprising at least a first correction member acting on the display device via a motion train and the drive mechanism, and at least one second correction member acting directly on the time-dependent display device, the timepiece characterized in that the drive mechanism is arranged to drive the time-related magnitude display device in both directions when the first correction member is actuated, and to cancel out when acts on the second correction element acting directly on the display device of the magnitude related to time.
  • the present invention provides a timepiece whose drive mechanism of a display device of a magnitude related to time is able to drive this display device both in the direction clockwise and in the opposite direction when a correction operation is to be carried out via the workings of the movement, and which is also capable of being erased when it is desired to carry out directly a correction operation of the display device .
  • This is particularly advantageous in that, even when the first correction member is engaged with the display device, it is still possible to correct the indication provided by this display device by means of the second correction member. .
  • the indication provided by the display device of a quantity related to time can therefore be corrected at any time.
  • the drive mechanism comprises a finger by which it is able to drive the display device in forward and reverse when it itself is driven by the first correction element via the cog of the movement, this finger being able to fade when one acts on said display device via the second correction member.
  • the drive mechanism comprises a wheel carrying the finger, this finger being connected to a spring by a first pin around which it can pivot, the pivoting angle of said finger being limited by a second pin which is secured and which is engaged in a light made in the driving wheel, the spring holding the finger in a position in which it is engaged with the toothing of a driven wheel of the display device to drive this wheel in the clockwise or counterclockwise direction, this spring allowing said finger to disengage from the toothing of the driven wheel during a correction of the display device by means of the second display member.
  • the drive mechanism drives the display device in a dragging manner and the second correction member makes it possible to manually correct said display device by incrementing it in successive steps of one unit.
  • the present invention proceeds from the general inventive idea of providing a drive mechanism of a time-related display device capable of driving this display device in both clockwise and anti-clockwise directions. when it is itself driven by the movement of the timepiece, and is also capable of being erased when a manual correction of said display device is made by incrementing its indication in successive steps of a unit. Thanks to these arrangements, the present invention makes it possible to correct the indication provided by the display device at any time, even when the drive of said display device is of the trailing type.
  • the present invention will be described in connection with a date display device. It goes without saying that this example is given purely for illustrative purposes only, and that the present invention applies to any type of display device of a magnitude related to time such as the day of the week, the indication of the month of the year or the indication of the moon phases.
  • the drive mechanism according to the invention is shown in plan and in section respectively on the Figures 2 and 3 annexed to this patent application.
  • this mechanism comprises a driving wheel 52 which plays the same role with respect to a display device of a magnitude related to time (not shown).
  • the driving wheel of date 4 vis-à-vis the date mechanism 1 shown in the figure 1 .
  • this driving wheel 52 is driven by the hour wheel of the movement of the timepiece via the reference 2, and in turn, it drives via a finger 54 the date wheel 8 of the date display device 1.
  • the finger 54 is carried by the driving wheel 52.
  • the finger 54 has an oblong opening 56 through which it is engaged on a hub 58 of said driving wheel 52.
  • a spring 60 holds the finger 54 in a position in which this finger 54 is engaged with the toothing of the date wheel 8 to drive it in the clockwise or counterclockwise direction.
  • this spring 60 also allows the finger 54 to disengage from the toothing of the date wheel 8 during a manual correction of the date indication by means of the rapid corrector 48
  • the spring 60 is disposed between the driving wheel 52 and the finger 54.
  • the spring 60 has a circular opening 62 having two diametrically opposed lugs 64a and 64b through which it is frictionally engaged on the hub 58 of said wheel In the normal operating mode, the spring 60 is stationary relative to the driving wheel 52.
  • the friction fitting of said spring 60 on said driving wheel 52, enabled by the presence of the two lugs 64a and 64b, is simply provided to allow fine adjustment of the drive mechanism 50 according to the invention as described below.
  • the finger 54 is coupled with the spring 60 by means of a pin 66.
  • This pin 66 is driven into the finger 54 but is free to pivot in an opening in the spring 60 in which it is engaged.
  • This pin 66 constitutes the pivot point of the finger 54.
  • a second pin 68 also driven into the finger 54 and which is engaged in an oblong opening 70 formed in the driving wheel 52 in which the pin 68 is free to move .
  • the pin 68 is positioned in a recess 72 provided towards the free end 74a of a substantially semi-circular elastic arm 74 of the spring 60.
  • the finger 54 must be rigid. By this is meant that the finger 54 must be able to drive the date wheel 8 clockwise as anti-clockwise without arming itself in the manner of a spring mechanism of instantaneous or semi-instantaneous type. It is also recalled that normal operating mode means the periods when the return 2 drives the driving wheel 52 either because this reference 2 is driven by the movement of the timepiece clockwise, or because this reference 2 is clockwise or counter-clockwise by actuation of the winding stem 42. In other words, in normal operation, the return 2 rotates and drives the drive wheel 52 which itself drives the date wheel 8.
  • the fast correction phase The situation is quite different in the fast correction phase.
  • the user of the watch wants to be able to increment by successive steps of a unit the indication provided by the date display device which belongs in particular to the date wheel 8 by means of the fast corrector 48.
  • the reference 2 can be regarded as substantially immobile to the extent that, driven by the hour wheel, it performs a complete revolution in twelve hours. Therefore, in the fast correction phase, the driving wheel 52 is stationary. If, at the moment when the user chooses to correct the date indication with the help of the fast corrector 48, the finger 54 is not in contact with the toothing of the date wheel 8, there is no of particular problem.
  • the present invention overcomes this problem. Indeed, when attempting to advance the date wheel 8 by means of the rapid corrector 48, it exerts on the finger 54 a thrust in the direction shown by the arrow A on the figure 2 . Under the effect of this thrust, the finger 54 which was applied against the hub 58 by the semicircular portion 56a of its oblong opening 56 moves and abuts against said hub 58 by the semi-circular portion 56b opposite the semi-circular portion 56a of its oblong opening 56. At the same time, said finger 54 pivots around the pin 66 and deviates from the trajectory of the tooth of the date wheel 8 with which it was engaged, which allows to this tooth to pass.
  • the spring 60 is mounted almost permanently on the hub 58 of the driving wheel 52, only a tool 76 engaged in an opening 78 made in said driving wheel 52 at the a notch 80 of the spring 60 for slightly moving said spring 60 relative to said hub 58 by a few degrees in the clockwise or counterclockwise direction to catch any games and synchronize the date jump with the jump of the day.
  • the spring 60 can be rigidly mounted on the driving wheel 52 if the tolerance between the jump of the date indication and the jump of the day indication is large.
  • the fast correction mechanism 48 is shown in detail at the figure 1 . It comprises in particular a quick-action push-button 82 which acts against the elastic restoring force exerted by a spring 84 kept under tension between a first pin 86 secured to the frame of the watch and a second pin 88 carried by a rocker. control 90 on which the pusher 82 acts. This control lever 90 is able to pivot around the pin 86 and carries a corrector element 92 which enters the teeth of the date wheel 8.

Abstract

The watch has a drive mechanism (50) with a finger (54) to driving a calendar date display device forward and backward when the drive mechanism is driven by a correction element. The finger is moved aside when the device is acted via another correction element and fixed to a spring (60) by a pin. The spring holds the finger in a position that is engaged in a toothing of a driven wheel of the device to drive the wheel in a clockwise or anti-clockwise direction. The spring allows the finger to free the spring from the toothing when the device is corrected by one of elements.

Description

La présente invention concerne un mécanisme de correction pour un dispositif d'affichage d'une grandeur temporelle d'une pièce d'horlogerie. Plus précisément, la présente invention concerne un tel mécanisme pour la correction bidirectionnelle d'un dispositif d'affichage d'une grandeur temporelle telle qu'un mécanisme de quantième.The present invention relates to a correction mechanism for a device for displaying a time value of a timepiece. More specifically, the present invention relates to such a mechanism for the bidirectional correction of a display device of a temporal magnitude such as a date mechanism.

Un mécanisme d'affichage de quantième est représenté à la figure 1 annexée à la présente demande de brevet. Désigné dans son ensemble par la référence numérique générale 1, ce mécanisme d'affichage de quantième est entraîné par un renvoi 2 qui est solidaire d'une roue des heures (non représentée). Autrement dit, le renvoi 2 tourne dans le sens des aiguilles d'une montre et effectue un tour complet en douze heures. Ce renvoi 2 engrène avec une roue entraîneuse de quantième 4 qui tourne dans le sens anti-horaire à raison d'un tour en vingt-quatre heures. Cette roue entraîneuse de quantième 4 porte un doigt 6 par lequel elle entraîne à raison d'un pas par jour une roue de quantième 8 qui est indexée par un sautoir 10 et qui porte une came 12. En un endroit de son profil, la came présente un flanc abrupt 14 qui marque le passage entre le quantième du dernier jour d'un mois donné et le quantième du premier jour du mois suivant, autrement dit entre le quantième "31" et le quantième "1".A date display mechanism is shown in FIG. figure 1 attached to this patent application. Designated as a whole by the general numerical reference 1, this date display mechanism is driven by a reference 2 which is integral with an hour wheel (not shown). In other words, the reference 2 rotates in a clockwise direction and performs a complete revolution in twelve hours. This reference 2 meshes with a date drive wheel 4 which rotates counterclockwise at the rate of one revolution in twenty-four hours. This date drive wheel 4 carries a finger 6 by which it drives at a rate of one step per day a date wheel 8 which is indexed by a jumper 10 and which carries a cam 12. At one point of its profile, the cam has an abrupt flank 14 which marks the passage between the date of the last day of a given month and the date of the first day of the following month, in other words between the date "31" and the date "1".

Le mécanisme d'affichage de quantième 1 est complété par une bascule de commande 16 pourvue à l'une de ses extrémités d'un bras 18 par lequel elle est en appui contre la came 12 en période de fonctionnement normal, et comprenant à son autre extrémité un râteau 20 par lequel elle engrène avec une roue d'affichage de quantième 22 qui porte l'indicateur de quantième (non représenté). La bascule de commande 16 est pivotée en 24 tandis qu'une seconde bascule 26 dite bascule de rappel est pivotée en 28. Cette bascule de rappel 26 présente une structure similaire à celle de la bascule de commande 16, comprenant notamment un râteau 30 par lequel elle engrène avec la roue d'affichage de quantième 22. Comme on peut le voir à l'examen de la figure 1, la bascule de rappel 26 est contrainte par un élément ressort 32 qui tend à la faire tourner dans le sens horaire. A son tour, la bascule de rappel 26 tend à faire tourner la roue d'affichage de quantième 22 dans le sens anti-horaire, ce qui tend à faire tourner la bascule de commande 16 dans le sens horaire et à maintenir son bras 18 en appui contre le profil de la came 12.The date display mechanism 1 is completed by a control lever 16 provided at one of its ends with an arm 18 by which it bears against the cam 12 during normal operation, and comprising at its other end a rake 20 by which it meshes with a date display wheel 22 which carries the date indicator (not shown). The control rocker 16 is pivoted at 24 while a second rocker 26 said return rocker is pivoted at 28. This rocker 26 has a similar structure to that of the control rocker 16, including a rake 30 by which it meshes with the date display wheel 22. As can be seen from the examination of the figure 1 , the return lever 26 is constrained by a spring element 32 which tends to rotate in the clockwise direction. In turn, the biasing lever 26 tends to turn the date display wheel 22 counterclockwise, which tends to turn the control lever 16 clockwise and to maintain its arm 18. support against the profile of the cam 12.

A son extrémité opposée à celle qui porte le râteau 30, la bascule de rappel 26 présente un palpeur 36 qui coopère avec une came circulaire 38 centrée sur le centre du mouvement et sur le profil intérieur de laquelle le palpeur 36 de la bascule de rappel 26 vient en appui. On remarque que dans la situation dans laquelle le mécanisme d'affichage de quantième est représenté sur la figure 1, le palpeur 36 de la bascule de rappel 26 est situé au niveau d'un décrochement 40 que présente la came circulaire 38 sur son profil intérieur.At its opposite end to the one carrying the rake 30, the return lever 26 has a probe 36 which cooperates with a circular cam 38 centered on the center of the movement and on the inside profile of which the probe 36 of the latch reminder 26 comes in support. Note that in the situation in which the date display mechanism is represented on the figure 1 , the probe 36 of the return lever 26 is located at a recess 40 that has the circular cam 38 on its inner profile.

On voit sur la figure 1 que le bras 18 de la bascule de commande 16 est au fond du flanc abrupt 14 que présente la came 12 sur son profil. Ceci signifie que le mécanisme indicateur de quantième auquel appartient notamment la roue de quantième 6 et sa came associée 12 vient de passer du dernier quantième "31" d'un mois donné au premier quantième "1" du mois suivant. Supposons maintenant que, partant de cette situation, il faille corriger l'indication du quantième. Si, au cours de cette correction, la roue de quantième 8 tourne dans le sens des aiguilles d'une montre, on n'observe aucun problème particulier. Le bras 18 de la bascule de commande 16 va suivre le profil de la came 12 et entraîner par son râteau 20 la roue d'affichage de quantième 22, ce qui aura pour effet d'incrémenter pas à pas l'indication du quantième. Il en va par contre autrement si l'opération de correction du quantième provoque une rotation en sens contraire de la roue de quantième 8 et donc de la came 12. En effet, dans ce cas, le bras 18 de la bascule de commande 16 va s'arc-bouter contre le flanc abrupt 14 du profil de ladite came 12 et le mécanisme va se retrouver bloqué. C'est la raison pour laquelle il faut faire en sorte que, lors d'une correction de l'indication du quantième en marche arrière, le bras 18 de la bascule de commande 16 se trouve écarté du trajet de la came 12. La came circulaire 38, associée à une tige de remontoir 42, est prévue pour remédier à ce problème.We see on the figure 1 that the arm 18 of the control lever 16 is at the bottom of the steep side 14 that has the cam 12 on its profile. This means that the date indicator mechanism which notably belongs to the date wheel 6 and its associated cam 12 has just passed from the last calendar "31" of a given month to the first calendar "1" of the following month. Suppose now that, starting from this situation, it is necessary to correct the indication of the date. If, during this correction, the date wheel 8 rotates in the direction of clockwise, no particular problem is observed. The arm 18 of the control lever 16 will follow the profile of the cam 12 and cause its rake 20 the date display wheel 22, which will have the effect of incrementing step by step indication of the date. It is otherwise if the date correction operation causes a rotation in the opposite direction of the date wheel 8 and therefore the cam 12. Indeed, in this case, the arm 18 of the control lever 16 goes to bend against the steep side 14 of the profile of said cam 12 and the mechanism will be blocked. This is the reason why it must be ensured that, during a correction of the indication of the date in reverse, the arm 18 of the control lever 16 is removed from the path of the cam 12. The cam circular 38, associated with a winding stem 42, is provided to remedy this problem.

En effet, la tige de remontoir 42 est reliée cinématiquement à la came circulaire 38 via un élément 44 qui permet de transformer un déplacement linéaire de ladite tige de remontoir 42 en un mouvement de pivotement de ladite came circulaire 38. En supposant que l'on exerce une traction sur la tige de remontoir 42 pour la faire passer de sa position neutre de remontage à une première position tirée, cela provoque le pivotement de la came annulaire 38 dans le sens contraire des aiguilles d'une montre d'une manière qui ne sera pas davantage détaillée ici. Néanmoins, on comprendra que le pivotement dans le sens anti-horaire de la came annulaire 38 permet d'écarter le bras 18 de la bascule de commande 16 de la trajectoire de la came 12. En effet, sous l'effet du pivotement de ladite came annulaire 38, le palpeur 36 de la bascule de rappel 26 remonte le long du flanc 46 du décrochement 40 et glisse sur le périmètre intérieur de la came annulaire 38. Ce faisant, la bascule de rappel 26 pivote dans le sens contraire des aiguilles d'une montre et provoque, via la roue d'affichage de quantième 22, le pivotement de la bascule de commande 16 également dans le sens anti-horaire, ce qui a pour effet d'écarter le bras 18 de cette bascule de commande 16 du trajet de la came 12.Indeed, the winding stem 42 is kinematically connected to the circular cam 38 via an element 44 which makes it possible to transform a linear displacement of said winding stem 42 into a pivoting movement of said circular cam 38. Assuming that one pulling the winding stem 42 to move it from its neutral winding position to a first pulled position, this causes the annular cam 38 to pivot counterclockwise in a manner which does not will not be detailed here. Nevertheless, it will be understood that the anti-clockwise pivoting of the annular cam 38 makes it possible to move the arm 18 of the control lever 16 away from the trajectory of the cam 12. Indeed, under the effect of the pivoting of said Annular cam 38, the probe 36 of the return lever 26 goes up along the side 46 of the recess 40 and slides on the inside perimeter of the annular cam 38. In doing so, the return lever 26 pivots in the opposite direction of the needles d a watch and causes, via the date display wheel 22, the pivoting of the flip-flop 16 also in the counter-clockwise direction, which has the effect of moving the arm 18 of this control lever 16 away from the path of the cam 12.

Quand on fait passer la tige de remontoir 42 de sa première position tirée à une seconde position tirée, cela provoque un pivotement supplémentaire de la came annulaire 38. Ce pivotement est cependant sans effet sur la bascule de rappel 26 dans la mesure où son palpeur 36 a gravi le flanc 46 du décrochement 40 et glisse sur le périmètre intérieur de la came annulaire 38. Le bras 18 de la bascule de commande 16 reste donc toujours en dehors du trajet de la came 12.When the winding stem 42 is passed from its first drawn position to a second pulled position, this causes an additional pivoting of the annular cam 38. This pivoting however has no effect on the return lever 26 since its probe 36 has climbed the flank 46 of the recess 40 and slides on the inner perimeter of the annular cam 38. The arm 18 of the control lever 16 therefore always remains outside the path of the cam 12.

Intéressons nous maintenant aux raisons pour lesquelles il est nécessaire d'écarter le bras 18 de la bascule de commande 16 du trajet de la came 12. En supposant que la tige de remontoir 42 est amenée dans sa première position tirée, on peut la faire tourner en marche avant ou en marche arrière. Or, quand on fait tourner la tige de remontoir 42, on fait tourner la roue des heures (non représentée) et donc aussi le renvoi 2. Si le renvoi 2 tourne dans le sens horaire, autrement dit le sens dans lequel il tourne en régime de fonctionnement normal, la came 12 tourne dans le sens anti-horaire et le bras 18 de la bascule de commande 16 glisse sans problème le long du profil de ladite came 12. Par contre, si le renvoi 2 tourne dans le sens anti-horaire, la came 12 va tourner dans le sens horaire et le bras 18 de la bascule de commande 16 va venir s'arc-bouter contre le flanc abrupt 14 de ladite came 12 et se bloquer. C'est la raison pour laquelle il faut, dans ce cas, que le bras 18 de la bascule de commande 16 soit écarté du trajet de la came 12.Let us now consider the reasons why it is necessary to move the arm 18 of the control lever 16 away from the path of the cam 12. Assuming that the winding stem 42 is brought into its first drawn position, it can be rotated. in forward or reverse. However, when the winding stem 42 is rotated, the hour wheel (not shown) is rotated and thus also the reference 2. If the reference 2 rotates in the clockwise direction, in other words the direction in which it is running. in normal operation, the cam 12 rotates counterclockwise and the arm 18 of the control lever 16 slides smoothly along the profile of said cam 12. On the other hand, if the return 2 rotates in the counterclockwise direction , the cam 12 will rotate in the clockwise direction and the arm 18 of the control lever 16 will come bend against the steep side 14 of said cam 12 and lock. This is why it is necessary, in this case, that the arm 18 of the control lever 16 is spaced from the path of the cam 12.

Le mécanisme d'affichage de quantième 1 décrit ci-dessus est particulièrement bien adapté à une utilisation dans une pièce d'horlogerie du type montre à fuseau horaire. Dans le cas d'une telle montre à fuseau, la tige de remontoir 42 présente trois positions stables, à savoir une position neutre dans laquelle elle permet le remontage du mouvement, une première position tirée qui permet la correction de l'indicateur de fuseau horaire (il peut s'agir d'un indicateur sautant qui avance ou recule par pas entier d'une heure sans que l'affichage des minutes en soit affecté) et une seconde position tirée qui permet la mise à l'heure de la montre. La roue entraîneuse de quantième 4 doit donc pouvoir entraîner, via son doigt 6, la roue de quantième 8 aussi bien dans le sens horaire que dans le sens anti-horaire. Cela se fait sans difficulté aucune lorsque la correction est opérée au moyen de la tige de remontoir 42. En effet, dans ce cas, la tige de remontoir 42 entraîne la roue des heures et donc le renvoi 2 qui à son tour entraîne la roue entraîneuse de quantième 4 et son doigt 6. Par contre, il peut y avoir problème lorsqu'on veut corriger l'indication du quantième au moyen du correcteur rapide 48 représenté à la figure 1. En effet, par pressions successives sur le correcteur rapide 48, on peut incrémenter l'indication du quantième par pas d'une unité, faisant passer cette indication par exemple de "1" à "2", puis de "2" à "3" et ainsi de suite. Il faut bien comprendre que, dans ce cas de figure, la roue des heures, le renvoi 2 et donc la roue entraîneuse de quantième 4 sont sensiblement immobiles. Par conséquent, si l'on veut procéder au réglage rapide de l'indication de quantième à un moment où le doigt 6 est en prise avec la denture de la roue de quantième 8 (pendant une durée d'environ 1 heure à 1 heure et demie au voisinage de minuit lorsque l'entraînement de la roue de quantième 8 par la roue entraîneuse de quantième 4 est du type traînant), on se retrouve dans une situation de blocage. II existe donc un besoin pour un système d'entraînement, par exemple d'un mécanisme d'affichage de quantième, et plus généralement pour tout type de dispositif d'affichage d'une grandeur liée au temps qui soit capable d'entraîner un tel mécanisme ou dispositif à la fois dans le sens horaire et dans le sens anti-horaire en régime de fonctionnement normal et qui ait la faculté de s'effacer en phase de correction rapide.The date display mechanism 1 described above is particularly well suited for use in a timepiece-type watch time zone. In the case of such a spindle watch, the winding stem 42 has three stable positions, namely a neutral position in which it allows the reassembly of the movement, a first drawn position which allows the correction of the time zone indicator (It can be a jumping indicator that moves forward or backward by an entire step of one hour without the minute display being affected) and a second drawn position that allows the time setting of the watch. The date driving wheel 4 must therefore be able to drive, via its finger 6, the date wheel 8 both clockwise and counterclockwise. This is done without any difficulty when the correction is made by means of the winding stem 42. In fact, in this case, the winding stem 42 drives the hour wheel and therefore the return 2 which in turn drives the driving wheel of date 4 and its finger 6. On the other hand, there may be a problem when it is desired to correct the indication of the date by means of the rapid corrector 48 shown in FIG. figure 1 . Indeed, by successive presses on the fast corrector 48, it is possible to increment the indication of the date in steps of one unit, passing this indication for example from "1" to "2", then from "2" to "3" and so on. It should be understood that, in this case, the hour wheel, the reference 2 and therefore the driving wheel of date 4 are substantially immobile. Therefore, if one wants to proceed to the quick adjustment of the date indication at a time when the finger 6 is engaged with the toothing of the date wheel 8 (for a period of about 1 hour to 1 hour and half around midnight when the drive of the date wheel 8 by the date drive wheel 4 is of the trailing type), we find ourselves in a situation of blocking. There is therefore a need for a drive system, for example a date display mechanism, and more generally for any type of display device of a magnitude related to time that is capable of causing such a device. mechanism or device both clockwise and counter-clockwise in normal operating mode and has the ability to fade in rapid correction phase.

Pour répondre à ce besoin, différentes solutions sont déjà disponibles. Par exemple, on connaît par le document de brevet FR 2,080,602 au nom de Hamilton Watch Company un mécanisme de réglage rapide pour pièce d'horlogerie à calendrier. Comme il ressort des figures 1 et 2 et de la description correspondante page 6, ligne 35 à page 7, ligne 38, l'action de réglage rapide de l'anneau des quatrièmes est assurée au moyen d'un cliquet articulé sur un premier pivot et d'un ressort de cliquet articulé sur un second pivot. Un épaulement du cliquet est normalement en butée contre la partie de montage du ressort sur le second pivot. En phase de correction rapide de l'anneau des quantièmes, le cliquet pivote en sens inverse de celui des aiguilles d'une montre autour du premier pivot à l'intérieur des limites périphériques des dents de l'anneau des quantièmes. Chaque rotation du cliquet fait progresser l'anneau des quantièmes d'une dent. Lorsqu'on corrige l'affichage de la montre en sens inverse, le cliquet est entraîné dans le sens des aiguilles d'une montre, ce qui le fait pivoter autour du premier pivot à l'encontre de l'action du ressort lorsqu'il rencontre une dent de l'anneau des quantièmes. Cet effet de pivotement fait passer le cliquet sur les dents de l'anneau des quantièmes sans qu'il entraîne celui-ci vers l'arrière.To meet this need, different solutions are already available. For example, it is known from the patent document FR 2,080,602 to Hamilton Watch Company a quick adjustment mechanism for timepiece calendar. As is apparent from figures 1 and 2 and the corresponding description on page 6, line 35 to page 7, line 38, the rapid adjustment action of the ring of fourths is ensured by means of a pawl articulated on a first pivot and an articulated ratchet spring on a second pivot. A shoulder of the pawl is normally in abutment with the spring mounting portion on the second pivot. In the rapid correction phase of the date ring, the pawl pivots counterclockwise around the first pivot within the peripheral limits of the teeth of the date ring. Each rotation of the pawl advances the ring of the dates of a tooth. When correcting the display of the watch in the opposite direction, the pawl is driven clockwise, which causes it to pivot about the first pivot against the action of the spring when meets a tooth of the date ring. This pivoting effect makes the ratchet pass on the teeth of the date ring without it driving it backwards.

Le système Hamilton décrit ci-dessus est un système à cliquet qui entraîne l'anneau des quantièmes dans le sens horaire seulement et qui s'efface lorsque ledit anneau est corrigé en sens opposé. Ledit cliquet n'est pas capable d'entraîner l'anneau des quantièmes dans les deux sens horaire et anti-horaire en phase de correction normale de l'affichage des quantièmes.The Hamilton system described above is a ratchet system that drives the date ring only clockwise and fades when the ring is corrected in the opposite direction. Said pawl is not capable of driving the date ring in both the clockwise and counterclockwise directions during the normal correction phase of the date display.

On connaît aussi par le document de brevet FR 1,426,305 au nom de L'horlogerie de Savoie un mécanisme de quantième à cliquet de remise au jour rapide. Comme il ressort des figures 1 et 2 et de la description page 1, colonne de droite, ligne 19 à page 2, colonne de gauche, ligne 6, le mode de remise au jour rapide s'opère via un cliquet qui est entraîné dans le sens contraire des aiguilles d'une montre et qui, sous l'action d'un ressort, reste appliqué contre une goupille. Après une rotation suffisante, l'extrémité du cliquet vient buter contre la face de la denture de l'anneau de quantième, ce qui oblige le cliquet à se dégager de la goupille, son extrémité franchissant la dent en regard de la denture puis pénétrant dans le creux suivant de cette denture.It is also known from the patent document FR 1,426,305 in the name of the watchmaking of Savoie a ratchet date mechanism quick release. As is apparent from figures 1 and 2 and from the description on page 1, right column, line 19 to page 2, left column, line 6, the quick release mode is operated via a ratchet which is driven counter-clockwise and which, under the action of a spring, remains applied against a pin. After a sufficient rotation, the end of the pawl abuts against the face of the toothing of the date ring, which forces the pawl to disengage from the pin, its end crossing the tooth next to the teeth and then entering the next hollow of this toothing.

Le système à cliquet brièvement décrit ci-dessus n'est capable d'entraîner l'anneau de quantième que dans un sens seulement. Dans le sens contraire, il s'efface en phase de correction rapide.The ratchet system briefly described above is capable of driving the date ring only in one direction. In the opposite direction, it disappears in rapid correction phase.

On connaît également par le document de brevet US 3,993,868 au nom de Citizen Watch Co. Ltd. une pièce d'horlogerie avec un mécanisme de quantième. Comme il ressort de la figure 4 et de la description correspondante colonne 2, lignes 3 à 53, un levier élastique comprenant un cliquet d'entraînement et deux bras élastiques est monté de manière pivotante sur la roue de quantième et maintenu par un rivet. Dans l'état normal, le ressort élastique est positionné de telle sorte que les bras entourent un moyeu de la roue de quantième. Lorsque le cliquet est soumis à une force d'entraînement dans une première direction, l'un de ses bras est déformé de manière élastique et, lorsque la force dépasse un seuil prédéterminé, ce bras est davantage déformé et vient en contact avec un axe de commutateur. D'autre part, lorsque le cliquet est forcé dans une seconde direction opposée à la première lors d'une rotation rapide de la plaque de quantièmes, l'autre bras est déformé. Le cliquet du levier élastique agit de façon à entraîner en rotation la plaque de quantièmes, puis le cliquet entre en contact avec l'axe d'interrupteur en raison de la déformation du bras.It is also known from the patent document US 3,993,868 on behalf of Citizen Watch Co. Ltd. a timepiece with a date mechanism. As is apparent from the figure 4 and corresponding description column 2, lines 3 to 53, an elastic lever comprising a drive pawl and two resilient arms is pivotally mounted on the date wheel and held by a rivet. In the normal state, the elastic spring is positioned so that the arms surround a hub of the date wheel. When the pawl is subjected to a driving force in a first direction, one of its arms is elastically deformed and, when the force exceeds a predetermined threshold, the arm is further deformed and comes into contact with an axle. switch. On the other hand, when the pawl is forced in a second direction opposite to the first during a rapid rotation of the date plate, the other arm is deformed. The ratchet of the resilient lever acts to rotate the date plate, then the pawl comes into contact with the switch shaft due to deformation of the arm.

Le système Citizen décrit ci-dessus ne permet pas non plus d'entraîner la plaque de quantièmes dans les deux sens.The Citizen system described above also does not allow to drive the date plate in both directions.

Au vu de ce qui précède, la présente invention a pour but de procurer un nouveau système d'entraînement pour un organe indicateur d'une grandeur liée au temps qui pallie les insuffisances de l'art antérieur.In view of the foregoing, it is an object of the present invention to provide a novel drive system for a time-dependent indicator member which overcomes the shortcomings of the prior art.

A cet effet, la présente invention concerne une pièce d'horlogerie comprenant un mécanisme d'entraînement d'un dispositif d'affichage d'une grandeur liée au temps, ce mécanisme d'entraînement étant lui-même entraîné par le mouvement de la pièce d'horlogerie, cette pièce d'horlogerie comprenant en outre au moins un premier organe de correction agissant sur le dispositif d'affichage via un rouage du mouvement et le mécanisme d'entraînement, et au moins un second organe de correction agissant directement sur le dispositif d'affichage de la grandeur liée au temps, la pièce d'horlogerie étant caractérisée en ce que le mécanisme d'entraînement est agencé de façon à entraîner le dispositif d'affichage de la grandeur liée au temps dans les deux sens lorsque le premier organe de correction est actionné, et de façon à s'effacer lorsqu'on agit sur le second organe de correction agissant directement sur le dispositif d'affichage de la grandeur liée au temps.For this purpose, the present invention relates to a timepiece comprising a drive mechanism of a display device of a magnitude related to time, this drive mechanism being itself driven by the movement of the workpiece timepiece, this timepiece further comprising at least a first correction member acting on the display device via a motion train and the drive mechanism, and at least one second correction member acting directly on the time-dependent display device, the timepiece characterized in that the drive mechanism is arranged to drive the time-related magnitude display device in both directions when the first correction member is actuated, and to cancel out when acts on the second correction element acting directly on the display device of the magnitude related to time.

Grâce à ces caractéristiques, la présente invention procure une pièce d'horlogerie dont le mécanisme d'entraînement d'un dispositif d'affichage d'une grandeur liée au temps est capable d'entraîner ce dispositif d'affichage à la fois dans le sens des aiguilles d'une montre et dans le sens opposé lorsqu'on veut effectuer une opération de correction via les rouages du mouvement, et qui est également capable de s'effacer lorsqu'on veut effectuer directement une opération de correction du dispositif d'affichage. Ceci se révèle particulièrement avantageux dans la mesure où, même lorsque le premier organe de correction est en prise avec le dispositif d'affichage, il est toujours possible de corriger l'indication fournie par ce dispositif d'affichage au moyen du second organe de correction. L'indication fournie par le dispositif d'affichage d'une grandeur liée au temps peut donc être corrigée à tout moment.Thanks to these features, the present invention provides a timepiece whose drive mechanism of a display device of a magnitude related to time is able to drive this display device both in the direction clockwise and in the opposite direction when a correction operation is to be carried out via the workings of the movement, and which is also capable of being erased when it is desired to carry out directly a correction operation of the display device . This is particularly advantageous in that, even when the first correction member is engaged with the display device, it is still possible to correct the indication provided by this display device by means of the second correction member. . The indication provided by the display device of a quantity related to time can therefore be corrected at any time.

Selon une caractéristique complémentaire de l'invention, le mécanisme d'entraînement comprend un doigt par lequel il est capable d'entraîner en marche avant comme en marche arrière le dispositif d'affichage lorsque lui-même est entraîné par le premier organe de correction via le rouage du mouvement, ce doigt étant capable de s'effacer lorsqu'on agit sur ledit dispositif d'affichage via le second organe de correction.According to an additional characteristic of the invention, the drive mechanism comprises a finger by which it is able to drive the display device in forward and reverse when it itself is driven by the first correction element via the cog of the movement, this finger being able to fade when one acts on said display device via the second correction member.

Selon une autre caractéristique de l'invention, le mécanisme d'entraînement comprend une roue portant le doigt, ce doigt étant relié à un ressort par une première goupille autour de laquelle il peut pivoter, l'angle de pivotement dudit doigt étant limité par une seconde goupille dont il est solidaire et qui est engagée dans une lumière pratiquée dans la roue entraîneuse, le ressort maintenant le doigt dans une position dans laquelle celui-ci est en prise avec la denture d'une roue menée du dispositif d'affichage pour entraîner cette roue dans le sens horaire ou anti-horaire, ce ressort permettant audit doigt de se dégager de la denture de la roue menée lors d'une correction du dispositif d'affichage au moyen du second organe d'affichage.According to another characteristic of the invention, the drive mechanism comprises a wheel carrying the finger, this finger being connected to a spring by a first pin around which it can pivot, the pivoting angle of said finger being limited by a second pin which is secured and which is engaged in a light made in the driving wheel, the spring holding the finger in a position in which it is engaged with the toothing of a driven wheel of the display device to drive this wheel in the clockwise or counterclockwise direction, this spring allowing said finger to disengage from the toothing of the driven wheel during a correction of the display device by means of the second display member.

Selon encore une autre caractéristique de l'invention, le mécanisme d'entraînement entraîne le dispositif d'affichage de manière traînante et le second organe de correction permet de corriger manuellement ledit dispositif d'affichage en l'incrémentant par pas successifs d'une unité.According to yet another characteristic of the invention, the drive mechanism drives the display device in a dragging manner and the second correction member makes it possible to manually correct said display device by incrementing it in successive steps of one unit.

D'autres caractéristiques et avantages de la présente invention ressortiront plus clairement de la description détaillée qui suit d'un exemple de réalisation de la pièce d'horlogerie 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 1, déjà mentionnée, est une vue en plan d'une partie d'un mouvement horloger comprenant un dispositif d'affichage de quantième entraîné par un mécanisme d'entraînement selon l'art antérieur;
  • la figure 2 est une vue en plan d'un mécanisme d'entraînement d'un dispositif d'affichage d'une grandeur liée au temps selon l'invention;
  • la figure 3 est une vue en coupe du mécanisme d'entraînement de la figure 2, et
  • la figure 4 est une vue analogue à celle de la figure 2 dans le cas où l'on procède à une correction rapide.
Other features and advantages of the present invention will emerge more clearly from the detailed description which follows of an exemplary embodiment of the timepiece according to the invention, this example being given for purely illustrative and nonlimiting purposes only in connection with the attached drawing in which:
  • the figure 1 , already mentioned, is a plan view of a part of a watch movement comprising a date display device driven by a drive mechanism according to the prior art;
  • the figure 2 is a plan view of a drive mechanism of a display device of a time-related magnitude according to the invention;
  • the figure 3 is a sectional view of the drive mechanism of the figure 2 , and
  • the figure 4 is a view similar to that of the figure 2 in the case of a quick correction.

La présente invention procède de l'idée générale inventive qui consiste à procurer un mécanisme d'entraînement d'un dispositif d'affichage d'une grandeur liée au temps capable d'entraîner ce dispositif d'affichage dans les deux sens horaire et anti-horaire lorsqu'il est lui-même entraîné par le mouvement de la pièce d'horlogerie, et qui est également capable de s'effacer lorsqu'on procède à une correction manuelle dudit dispositif d'affichage en incrémentant son indication par pas successifs d'une unité. Grâce à ces dispositions, la présente invention permet de corriger l'indication fournie par le dispositif d'affichage à tout moment, même lorsque l'entraînement dudit dispositif d'affichage est du type traînant.The present invention proceeds from the general inventive idea of providing a drive mechanism of a time-related display device capable of driving this display device in both clockwise and anti-clockwise directions. when it is itself driven by the movement of the timepiece, and is also capable of being erased when a manual correction of said display device is made by incrementing its indication in successive steps of a unit. Thanks to these arrangements, the present invention makes it possible to correct the indication provided by the display device at any time, even when the drive of said display device is of the trailing type.

La présente invention va être décrite en liaison avec un dispositif d'affichage du quantième. Il va de soi que cet exemple est donné à titre purement illustratif seulement, et que la présente invention s'applique à toute type de dispositif d'affichage d'une grandeur liée au temps telle que le jour de la semaine, l'indication du mois de l'année ou encore l'indication des phases de lune.The present invention will be described in connection with a date display device. It goes without saying that this example is given purely for illustrative purposes only, and that the present invention applies to any type of display device of a magnitude related to time such as the day of the week, the indication of the month of the year or the indication of the moon phases.

Le mécanisme d'entraînement selon l'invention est représenté en plan et en coupe respectivement sur les figures 2 et 3 annexées à la présente demande de brevet. Désigné dans son ensemble par la référence numérique générale 50, ce mécanisme comprend une roue entraîneuse 52 qui joue vis-à-vis d'un dispositif d'affichage d'une grandeur liée au temps (non représenté) le même rôle que celui tenu par la roue entraîneuse de quantième 4 vis-à-vis du mécanisme de quantième 1 représenté à la figure 1. En d'autres termes, cette roue entraîneuse 52 est entraînée par la roue des heures du mouvement de la pièce d'horlogerie via le renvoi 2, et entraîne à son tour via un doigt 54 la roue de quantième 8 du dispositif d'affichage de quantième 1.The drive mechanism according to the invention is shown in plan and in section respectively on the Figures 2 and 3 annexed to this patent application. Designated as a whole by the general reference numeral 50, this mechanism comprises a driving wheel 52 which plays the same role with respect to a display device of a magnitude related to time (not shown). the driving wheel of date 4 vis-à-vis the date mechanism 1 shown in the figure 1 . In other words, this driving wheel 52 is driven by the hour wheel of the movement of the timepiece via the reference 2, and in turn, it drives via a finger 54 the date wheel 8 of the date display device 1.

Le doigt 54 est porté par la roue entraîneuse 52. A cet effet, le doigt 54 présente une ouverture oblongue 56 par laquelle il est engagé sur un moyeu 58 de ladite roue entraîneuse 52. Un ressort 60 maintient le doigt 54 dans une position dans laquelle ce doigt 54 est en prise avec la denture de la roue de quantième 8 pour entraîner celle-ci dans le sens horaire ou anti-horaire. Toutefois, comme on le verra en détail ci-après, ce ressort 60 autorise également le doigt 54 à se dégager de la denture de la roue de quantième 8 lors d'une correction manuelle de l'indication de quantième au moyen du correcteur rapide 48. Comme on peut le constater à l'examen des figures 2 et 3, le ressort 60 est disposé entre la roue entraîneuse 52 et le doigt 54. A cet effet, le ressort 60 présente une ouverture circulaire 62 présentant deux oreilles 64a et 64b diamétralement opposées par laquelle il est engagé à friction sur le moyeu 58 de ladite roue entraîneuse 52. On notera qu'en régime de fonctionnement normal, le ressort 60 est immobile relativement à la roue entraîneuse 52. Le montage à friction dudit ressort 60 sur ladite roue entraîneuse 52, permis par la présence des deux oreilles 64a et 64b, est simplement prévu pour permettre un réglage fin du mécanisme d'entraînement 50 selon l'invention comme décrit ci-dessous.The finger 54 is carried by the driving wheel 52. For this purpose, the finger 54 has an oblong opening 56 through which it is engaged on a hub 58 of said driving wheel 52. A spring 60 holds the finger 54 in a position in which this finger 54 is engaged with the toothing of the date wheel 8 to drive it in the clockwise or counterclockwise direction. However, as will be seen in detail below, this spring 60 also allows the finger 54 to disengage from the toothing of the date wheel 8 during a manual correction of the date indication by means of the rapid corrector 48 As can be seen from the examination of Figures 2 and 3 , the spring 60 is disposed between the driving wheel 52 and the finger 54. For this purpose, the spring 60 has a circular opening 62 having two diametrically opposed lugs 64a and 64b through which it is frictionally engaged on the hub 58 of said wheel In the normal operating mode, the spring 60 is stationary relative to the driving wheel 52. The friction fitting of said spring 60 on said driving wheel 52, enabled by the presence of the two lugs 64a and 64b, is simply provided to allow fine adjustment of the drive mechanism 50 according to the invention as described below.

Le doigt 54 est couplé avec le ressort 60 au moyen d'une goupille 66. Cette goupille 66 est chassée dans le doigt 54 mais est libre de pivoter dans une ouverture pratiquée dans le ressort 60 dans laquelle elle est engagée. Cette goupille 66 constitue le point de pivotement du doigt 54. Il est prévu une seconde goupille 68 également chassée dans le doigt 54 et qui est engagée dans une ouverture oblongue 70 ménagée dans la roue entraîneuse 52 dans laquelle cette goupille 68 est libre de se déplacer. Comme on peut l'observer à l'examen de la figure 2, la goupille 68 est positionnée dans une échancrure 72 prévue vers l'extrémité libre 74a d'un bras élastique 74 de forme sensiblement semi-circulaire du ressort 60.The finger 54 is coupled with the spring 60 by means of a pin 66. This pin 66 is driven into the finger 54 but is free to pivot in an opening in the spring 60 in which it is engaged. This pin 66 constitutes the pivot point of the finger 54. There is provided a second pin 68 also driven into the finger 54 and which is engaged in an oblong opening 70 formed in the driving wheel 52 in which the pin 68 is free to move . As can be seen from the examination of figure 2 , the pin 68 is positioned in a recess 72 provided towards the free end 74a of a substantially semi-circular elastic arm 74 of the spring 60.

En régime de fonctionnement normal tel qu'illustré à la figure 2 du mécanisme d'entraînement 50 selon la présente invention, le doigt 54 doit être rigide. On entend par là que le doigt 54 doit pouvoir entraîner la roue de quantième 8 en sens horaire comme anti-horaire sans s'armer à la façon d'un mécanisme à ressort de type instantané ou semi-instantané. On rappelle également que par régime de fonctionnement normal on entend les périodes où le renvoi 2 entraîne la roue entraîneuse 52 soit parce que ce renvoi 2 est entraîné par le mouvement de la pièce d'horlogerie en sens horaire, soit parce que ce renvoi 2 est entraîné en sens horaire ou anti-horaire par actionnement de la tige de remontoir 42. En d'autres termes, en régime de fonctionnement normal, le renvoi 2 tourne et entraîne la roue entraîneuse 52 qui elle-même entraîne la roue de quantième 8. Ceci est rendu possible par le fait que le ressort 60 exerce sur le doigt 54 un couple de retenue suffisant pour permettre audit doigt 54 de vaincre le léger couple exercé par la roue de quantième 8. De même, le doigt 54 est en butée par la partie semi-circulaire 56a de son ouverture oblongue 56 contre le moyeu 58 de la roue entraîneuse 52.Under normal operating conditions as illustrated in figure 2 of the drive mechanism 50 according to the present invention, the finger 54 must be rigid. By this is meant that the finger 54 must be able to drive the date wheel 8 clockwise as anti-clockwise without arming itself in the manner of a spring mechanism of instantaneous or semi-instantaneous type. It is also recalled that normal operating mode means the periods when the return 2 drives the driving wheel 52 either because this reference 2 is driven by the movement of the timepiece clockwise, or because this reference 2 is clockwise or counter-clockwise by actuation of the winding stem 42. In other words, in normal operation, the return 2 rotates and drives the drive wheel 52 which itself drives the date wheel 8. This is made possible by the fact that the spring 60 exerts on the finger 54 a sufficient holding torque to allow auditing finger 54 to overcome the slight torque exerted by the date wheel 8. Similarly, the finger 54 is abutted by the semicircular portion 56a of its oblong opening 56 against the hub 58 of the driving wheel 52.

Il en va tout autrement en phase de correction rapide. Pendant une telle phase, l'utilisateur de la montre veut pouvoir incrémenter par pas successifs d'une unité l'indication fournie par le dispositif d'affichage de quantième auquel appartient notamment la roue de quantième 8 au moyen du correcteur rapide 48. Dans ce cas, le renvoi 2 peut être considéré comme sensiblement immobile dans la mesure où, entraîné par la roue des heures, il effectue un tour complet en douze heures. Par conséquent, en phase de correction rapide, la roue entraîneuse 52 est immobile. Si, au moment où l'utilisateur choisit de corriger l'indication de quantième à l'aide du correcteur rapide 48, le doigt 54 n'est pas en prise avec la denture de la roue de quantième 8, il n'y a pas de problème particulier. Si, au contraire, ce moment coïncide avec la période où le doigt 54 est en prise avec la denture de la roue de quantième 8 (classiquement aux alentours de minuit), il y a situation de blocage. En effet, le renvoi 2, et donc la roue entraîneuse 52 et le doigt 54, sont immobiles et l'on ne parvient pas à faire avancer la roue de quantième 8.The situation is quite different in the fast correction phase. During such a phase, the user of the watch wants to be able to increment by successive steps of a unit the indication provided by the date display device which belongs in particular to the date wheel 8 by means of the fast corrector 48. In this case, the reference 2 can be regarded as substantially immobile to the extent that, driven by the hour wheel, it performs a complete revolution in twelve hours. Therefore, in the fast correction phase, the driving wheel 52 is stationary. If, at the moment when the user chooses to correct the date indication with the help of the fast corrector 48, the finger 54 is not in contact with the toothing of the date wheel 8, there is no of particular problem. If, on the contrary, this moment coincides with the period when the finger 54 is in contact with the toothing of the date wheel 8 (usually around midnight), there is a blocking situation. Indeed, the reference 2, and thus the driving wheel 52 and the finger 54, are immobile and it is not possible to advance the date wheel 8.

La présente invention permet de surmonter ce problème. En effet, lorsqu'on tente de faire avancer la roue de quantième 8 au moyen du correcteur rapide 48, celle-ci exerce sur le doigt 54 une poussée dans la direction matérialisée par la flèche A sur la figure 2. Sous l'effet de cette poussée, le doigt 54 qui était appliqué contre le moyeu 58 par la partie semi-circulaire 56a de son ouverture oblongue 56 se déplace et vient en butée contre ledit moyeu 58 par la partie semi-circulaire 56b opposée à la partie semi-circulaire 56a de son ouverture oblongue 56. En même temps, ledit doigt 54 pivote autour de la goupille 66 et s'écarte de la trajectoire de la dent de la roue de quantième 8 avec laquelle il était en prise, ce qui permet à cette dent de passer. Tout en pivotant, le doigt 54, par sa goupille 68, écarte légèrement l'extrémité libre 74a du bras élastique 74 de sa position de repos (voir position représentée en pointillés sur la figure 4) en allant à l'encontre des forces de rappel élastiques du ressort 60. On comprendra qu'aussitôt que la dent de la roue de quantième 8 a dépassé le doigt 54, le bras élastique 74 retourne à sa position de repos et rappelle ledit doigt 54 qui pivote à nouveau autour de la goupille 66 pour revenir dans sa position initiale. Ainsi, grâce à la présente invention, il est possible d'effectuer une correction rapide de l'indication du quantième à tout moment et, en particulier, pendant la période de temps où le doigt 54 est en prise avec la denture de la roue de quantième 8.The present invention overcomes this problem. Indeed, when attempting to advance the date wheel 8 by means of the rapid corrector 48, it exerts on the finger 54 a thrust in the direction shown by the arrow A on the figure 2 . Under the effect of this thrust, the finger 54 which was applied against the hub 58 by the semicircular portion 56a of its oblong opening 56 moves and abuts against said hub 58 by the semi-circular portion 56b opposite the semi-circular portion 56a of its oblong opening 56. At the same time, said finger 54 pivots around the pin 66 and deviates from the trajectory of the tooth of the date wheel 8 with which it was engaged, which allows to this tooth to pass. While pivoting, the finger 54, by its pin 68, slightly spreads the free end 74a of the elastic arm 74 from its rest position (see position shown in dashed lines on the figure 4 ) by going against the elastic restoring forces of the spring 60. It will be understood that as soon as the tooth of the date wheel 8 has passed the finger 54, the elastic arm 74 returns to its rest position and recalls said finger 54 which pivots around pin 66 to return to its original position. Thus, thanks to the present invention, it is possible to perform a rapid correction of the indication of the date at any time and, in particular, during the period of time when the finger 54 is engaged with the toothing of the date wheel 8.

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 du métier sans sortir du cadre de la présente invention tel que défini par les revendications annexées. En particulier, on notera que, comme déjà mentionné ci-dessus, le ressort 60 est monté de façon quasi permanente sur le moyeu 58 de la roue entraîneuse 52, seul un outil 76 engagé dans une ouverture 78 pratiquée dans ladite roue entraîneuse 52 au niveau d'une échancrure 80 du ressort 60 permettant de déplacer légèrement ledit ressort 60 par rapport audit moyeu 58 de quelques degrés dans le sens horaire ou anti-horaire pour rattraper d'éventuels jeux et synchroniser le saut de quantième avec le saut du jour. Néanmoins, selon une variante de réalisation simplifiée de l'invention, le ressort 60 peut être monté rigidement sur la roue entraîneuse 52 si la tolérance entre le saut de l'indication de quantième et le saut de l'indication du jour est grande. D'autre part, le mécanisme de correction rapide 48 est représenté en détail à la figure 1. Il comprend notamment un poussoir de correction rapide 82 qui agit à l'encontre de la force de rappel élastique exercée par un ressort 84 maintenu sous tension entre un premier tenon 86 solidaire du bâti de la montre et un second tenon 88 porté par une bascule de commande 90 sur laquelle agit le poussoir 82. Cette bascule de commande 90 est apte à pivoter autour du tenon 86 et porte un élément correcteur 92 qui pénètre dans les dents de la roue de quantième 8.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 as defined by the appended claims. In particular, it will be noted that, as already mentioned above, the spring 60 is mounted almost permanently on the hub 58 of the driving wheel 52, only a tool 76 engaged in an opening 78 made in said driving wheel 52 at the a notch 80 of the spring 60 for slightly moving said spring 60 relative to said hub 58 by a few degrees in the clockwise or counterclockwise direction to catch any games and synchronize the date jump with the jump of the day. However, according to a simplified embodiment of the invention, the spring 60 can be rigidly mounted on the driving wheel 52 if the tolerance between the jump of the date indication and the jump of the day indication is large. On the other hand, the fast correction mechanism 48 is shown in detail at the figure 1 . It comprises in particular a quick-action push-button 82 which acts against the elastic restoring force exerted by a spring 84 kept under tension between a first pin 86 secured to the frame of the watch and a second pin 88 carried by a rocker. control 90 on which the pusher 82 acts. This control lever 90 is able to pivot around the pin 86 and carries a corrector element 92 which enters the teeth of the date wheel 8.

Claims (8)

Pièce d'horlogerie comprenant un mécanisme d'entraînement (50) d'un dispositif d'affichage (1) d'une grandeur liée au temps, ce mécanisme d'entraînement (50) étant lui-même entraîné par le mouvement de la pièce d'horlogerie, cette pièce d'horlogerie comprenant en outre au moins un premier organe de correction (42) agissant sur le dispositif d'affichage (50) via un rouage (2) du mouvement et le mécanisme d'entraînement (50), et au moins un second organe de correction (48) agissant directement sur le dispositif d'affichage (1) de la grandeur liée au temps, la pièce d'horlogerie étant caractérisée en ce que le mécanisme d'entraînement (50) est agencé de façon à entraîner le dispositif d'affichage (1) de la grandeur liée au temps dans les deux sens lorsque le premier organe de correction (42) est actionné, et de façon à s'effacer lorsqu'on agit sur le second organe de correction (48) agissant directement sur le dispositif d'affichage (1) de la grandeur liée au temps.Timepiece comprising a drive mechanism (50) of a display device (1) of a size related to time, this drive mechanism (50) being itself driven by the movement of the workpiece timepiece, this timepiece further comprising at least a first correction member (42) acting on the display device (50) via a gear train (2) of the movement and the drive mechanism (50), and at least one second correction member (48) acting directly on the display device (1) of the time-dependent quantity, the timepiece being characterized in that the drive mechanism (50) is arranged in order to drive the display device (1) of the time-related quantity in both directions when the first correction member (42) is actuated, and so as to fade when the second correction member is acted on (48) acting directly on the display device (1) of the quantity related to the time. Pièce d'horlogerie selon la revendication 1, caractérisée en ce que le mécanisme d'entraînement (50) comprend un doigt (54) par lequel il est capable d'entraîner en marche avant comme en marche arrière le dispositif d'affichage (1) lorsque lui-même est entraîné par le premier organe de correction (42) via le rouage (2) du mouvement, ce doigt (54) étant capable de s'effacer lorsqu'on agit sur ledit dispositif d'affichage (1) via le second organe de correction (48).Timepiece according to claim 1, characterized in that the drive mechanism (50) comprises a finger (54) by which it is capable of driving the display device (1) forward and backward (1) when itself is driven by the first correction member (42) via the gear train (2) of the movement, said finger (54) being able to fade when acting on said display device (1) via the second correction member (48). Pièce d'horlogerie selon la revendication 2, caractérisée en ce que le mécanisme d'entraînement (50) comprend une roue entraîneuse (52) portant le doigt (54), ce doigt (54) étant rendu solidaire d'un ressort (60) par une première goupille (66) autour de laquelle il peut pivoter, l'angle de pivotement dudit doigt (54) étant limité par une seconde goupille (68) dont il est solidaire et qui est engagée dans une lumière (70) pratiquée dans la roue entraîneuse (52), le ressort (60) maintenant le doigt (54) dans une position dans laquelle celui-ci est en prise avec la denture d'une roue menée (8) du dispositif d'affichage (1) pour entraîner cette roue (8) dans le sens horaire ou anti-horaire, ce ressort (60) permettant audit doigt (54) de se dégager de la denture de la roue menée (8) lors d'une correction du dispositif d'affichage (1) au moyen du second organe de correction (48).Timepiece according to claim 2, characterized in that the drive mechanism (50) comprises a driving wheel (52) carrying the finger (54), the finger (54) being secured to a spring (60) by a first pin (66) about which it can pivot, the pivoting angle of said finger (54) being limited by a second pin (68) which it is integral and which is engaged in a light (70) formed in the driving wheel (52), the spring (60) holds the finger (54) in a position in which it is engaged with the toothing of a driven wheel (8) of the display device (1) to drive this wheel (8) clockwise or counter-clockwise, this spring (60) allowing said finger (54) to disengage from the toothing of the driven wheel (8) during a correction of the display device (1) by means of the second correction member (48). Pièce d'horlogerie selon la revendication 3, caractérisée en ce que, lors d'une correction du dispositif d'affichage (1) au moyen du second organe de correction (48), le doigt (54), poussé par une dent de la denture de la roue menée (8), pivote autour de la première goupille (66), écartant le ressort (60) de sa position de repos via la seconde goupille (68) qui est en appui contre ledit ressort (60) et qui se déplace dans la lumière (70), ledit doigt (54) revenant à sa position initiale sous l'effet de la force de rappel élastique du ressort (60) aussitôt que la dent de la denture de la roue menée (8) avec laquelle il était en prise l'a dépassé.Timepiece according to claim 3, characterized in that , during a correction of the display device (1) by means of the second correction member (48), the finger (54) pushed by a tooth of the tooth of the driven wheel (8), pivots around the first pin (66), moving the spring (60) from its rest position via the second pin (68) which bears against said spring (60) and which moves in the light (70), said finger (54) returning to its initial position under the effect of the elastic restoring force of the spring (60) as soon as the tooth of the toothing of the driven wheel (8) with which it was in the past. Pièce d'horlogerie selon l'une quelconque des revendications 1 à 4, caractérisée en ce que le mécanisme d'entraînement (50) entraîne le dispositif d'affichage (1) de manière traînante et en ce que le second organe de correction (48) permet de corriger manuellement ledit dispositif d'affichage (1) en l'incrémentant par pas successifs d'une unité.Timepiece according to any one of claims 1 to 4, characterized in that the drive mechanism (50) drives the display device (1) in a dragging manner and in that the second correction member (48) ) makes it possible to manually correct said display device (1) by incrementing it in successive steps of one unit. Pièce d'horlogerie selon la revendication 5, caractérisée en ce que le second organe de correction rapide (48) comprend un poussoir (82) qui agit à l'encontre de la force de rappel élastique d'un ressort (84)maintenu sous tension entre un premier tenon (86) solidaire du bâti de la pièce d'horlogerie et un second tenon (88) porté par une bascule de commande (90) sur laquelle agit le poussoir (82), cette bascule de commande (90) étant apte à pivoter autour du premier tenon (86) et portant un élément correcteur qui pénètre dans les dents de la roue menée (8).Timepiece according to claim 5, characterized in that the second rapid correction member (48) comprises a pusher (82) which acts against the elastic return force of a spring (84) held under tension between a first tenon (86) integral with the frame of the timepiece and a second pin (88) carried by a control lever (90) on which the pusher (82) acts, this control lever (90) being suitable pivoting about the first post (86) and carrying a correcting element which penetrates the teeth of the driven wheel (8). Pièce d'horlogerie selon l'une quelconque des revendications 3 à 6, caractérisée en ce que le ressort (60) est monté rigidement sur la roue entraîneuse (52).Timepiece according to any one of claims 3 to 6, characterized in that the spring (60) is rigidly mounted on the driving wheel (52). Pièce d'horlogerie selon l'une quelconque des revendications 3 à 6, caractérisée en ce que le ressort (60) est monté à friction sur la roue entraîneuse (52) pour pouvoir rattraper d'éventuels jeux et en ce qu'une ouverture (78) est pratiquée dans ladite roue entraîneuse (52) pour engager un outil (76) permettant de déplacer ledit ressort (60) par rapport à la roue entraîneuse (52).Timepiece according to any one of claims 3 to 6, characterized in that the spring (60) is frictionally mounted on the driving wheel (52) to be able to catch any play and in that an opening ( 78) is formed in said driving wheel (52) to engage a tool (76) for moving said spring (60) relative to the driving wheel (52).
EP07001959A 2007-01-30 2007-01-30 Timepiece comprising a mechanism for driving a device displaying a time-related value Active EP1953611B1 (en)

Priority Applications (15)

Application Number Priority Date Filing Date Title
DE602007005214T DE602007005214D1 (en) 2007-01-30 2007-01-30 A watch comprising a drive mechanism of a time-related size display device
EP07001959A EP1953611B1 (en) 2007-01-30 2007-01-30 Timepiece comprising a mechanism for driving a device displaying a time-related value
AT07001959T ATE460690T1 (en) 2007-01-30 2007-01-30 CLOCK COMPRISING A DRIVING MECHANISM OF A DEVICE FOR DISPLAYING A QUANTITY RELATED TO TIME
US12/018,880 US7645068B2 (en) 2007-01-30 2008-01-24 Watch comprising a mechanism for driving a device that displays a time-dependent value
JP2009546776A JP5254995B2 (en) 2007-01-30 2008-01-28 A clock for displaying the current time, including at least first and second devices for displaying time-related values
KR1020097015929A KR101418625B1 (en) 2007-01-30 2008-01-28 Time piece displaying the current time and including at least a first and a second display device of a magnitude related to time
CN2008800035588A CN101611356B (en) 2007-01-30 2008-01-28 Time piece displaying the current time and including at least a first and a second display device of a magnitude related to time
PCT/EP2008/050973 WO2008095813A2 (en) 2007-01-30 2008-01-28 Time piece displaying the current time and including at least a first and a second display device of a magnitude related to time
EP08708291A EP2115537B1 (en) 2007-01-30 2008-01-28 Timepiece comprising a mechanism for driving a device displaying a time-related value
US12/525,268 US8937850B2 (en) 2007-01-30 2008-01-28 Timepiece displaying the current time and including at least first and second devices displaying a time-related quantity
JP2008018758A JP5139821B2 (en) 2007-01-30 2008-01-30 Watch with a mechanism for driving equipment that displays time-dependent values
CN2008100090515A CN101236402B (en) 2007-01-30 2008-01-30 Watch comprising a mechanism for driving a device that displays a time-dependent value
HK09100241.8A HK1123103A1 (en) 2007-01-30 2009-01-09 Watch comprising a mechanism for driving a device that displays a time- dependent value
HK10106140.4A HK1140270A1 (en) 2007-01-30 2010-06-22 Time piece displaying the current time and including at least a first and a second display device of a magnitude related to time
US14/561,076 US9778621B2 (en) 2007-01-30 2014-12-04 Timepiece displaying the current time and including at least first and second devices displaying a time-related quantity

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07001959A EP1953611B1 (en) 2007-01-30 2007-01-30 Timepiece comprising a mechanism for driving a device displaying a time-related value

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EP1953611A1 true EP1953611A1 (en) 2008-08-06
EP1953611B1 EP1953611B1 (en) 2010-03-10

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EP07001959A Active EP1953611B1 (en) 2007-01-30 2007-01-30 Timepiece comprising a mechanism for driving a device displaying a time-related value
EP08708291A Active EP2115537B1 (en) 2007-01-30 2008-01-28 Timepiece comprising a mechanism for driving a device displaying a time-related value

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EP08708291A Active EP2115537B1 (en) 2007-01-30 2008-01-28 Timepiece comprising a mechanism for driving a device displaying a time-related value

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US (3) US7645068B2 (en)
EP (2) EP1953611B1 (en)
JP (2) JP5254995B2 (en)
KR (1) KR101418625B1 (en)
CN (2) CN101611356B (en)
AT (1) ATE460690T1 (en)
DE (1) DE602007005214D1 (en)
HK (2) HK1123103A1 (en)
WO (1) WO2008095813A2 (en)

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JP2010526279A (en) 2010-07-29
US20150138936A1 (en) 2015-05-21
WO2008095813A2 (en) 2008-08-14
EP2115537B1 (en) 2012-06-20
US20100027381A1 (en) 2010-02-04
US9778621B2 (en) 2017-10-03
JP5254995B2 (en) 2013-08-07
EP2115537A2 (en) 2009-11-11
ATE460690T1 (en) 2010-03-15
CN101236402A (en) 2008-08-06
CN101236402B (en) 2011-09-21
CN101611356B (en) 2011-07-13
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US8937850B2 (en) 2015-01-20
KR101418625B1 (en) 2014-07-14
WO2008095813A3 (en) 2008-12-04
US20080181060A1 (en) 2008-07-31
DE602007005214D1 (en) 2010-04-22
US7645068B2 (en) 2010-01-12
JP2008185590A (en) 2008-08-14
CN101611356A (en) 2009-12-23
HK1140270A1 (en) 2010-10-08
JP5139821B2 (en) 2013-02-06
EP1953611B1 (en) 2010-03-10

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