EP1801671B1 - Calendar watch provided with blocking means - Google Patents

Calendar watch provided with blocking means Download PDF

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Publication number
EP1801671B1
EP1801671B1 EP05112793A EP05112793A EP1801671B1 EP 1801671 B1 EP1801671 B1 EP 1801671B1 EP 05112793 A EP05112793 A EP 05112793A EP 05112793 A EP05112793 A EP 05112793A EP 1801671 B1 EP1801671 B1 EP 1801671B1
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EP
European Patent Office
Prior art keywords
lever
watch
click
spring
hour wheel
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
EP05112793A
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German (de)
French (fr)
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EP1801671A1 (en
Inventor
Alain Zaugg
Eric Goeller
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.)
Montres Breguet SA
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Montres Breguet SA
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Publication date
Application filed by Montres Breguet SA filed Critical Montres Breguet SA
Priority to EP05112793A priority Critical patent/EP1801671B1/en
Priority to AT05112793T priority patent/ATE431580T1/en
Priority to DE602005014495T priority patent/DE602005014495D1/en
Priority to SG200608914-8A priority patent/SG133564A1/en
Priority to CN200610169917XA priority patent/CN101008824B/en
Priority to US11/615,147 priority patent/US7408844B2/en
Priority to JP2006345747A priority patent/JP4778412B2/en
Publication of EP1801671A1 publication Critical patent/EP1801671A1/en
Priority to HK07111362.0A priority patent/HK1106300A1/en
Application granted granted Critical
Publication of EP1801671B1 publication Critical patent/EP1801671B1/en
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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 present invention relates to a watch having time setting means and a calendar mechanism comprising a spring-loaded latch triggered once a day from a 24-hour wheel, which is driven by the movement of the latch. the watch to make a turn a day, the triggering of the rocker having the effect of advancing a mobile date milestones, for example with a star, in the calendar mechanism.
  • the invention applies in particular, but not exclusively, to a so-called instantaneous date watch, in which the calendar mechanism comprises a spiral cam, integral with the 24-hour wheel and acting on the rocker to arm it gradually. during a day against the rocking spring, a pawl provided with a return spring tending to put it in a stop position in which the pawl holds the rocker in the cocked position against the rocking spring, and a trigger finger disposed on the 24-hour wheel to act at a specific time on the pawl so that it releases the rocker.
  • Such an arrangement of the calendar mechanism has the advantage of advancing the calendar mobile instantaneously, for example every day around midnight thanks to the action of the 24-hour wheel, so that the date and calendar indicators give correct indications before midnight and after.
  • Such mechanisms are well known and the reader will be able to find a description in the patent Swiss no. 1018 , for example.
  • the 24-hour wheel can go through its midnight position and activate the calendar mechanism by incrementing the date and the day of the week, and if necessary the moon phase indicator.
  • the user does not always want such an action that can be quite troublesome, especially by its cascading effects in a perpetual calendar mechanism, and in some cases he would prefer to adjust the date separately by means of the usual manual correctors, each acting on one of the calendar indicators.
  • the subject of the present invention is a calendar watch of the type indicated in the preamble above, arranged so as to allow time setting without this operation modifying the state of the calendar mechanism.
  • a watch according to the invention is characterized in that the calendar mechanism comprises locking means, having an active position in which they prevent a transmission of the movement of the 24-hour wheel to the mobile of the dates, and in that that the blocking means are set in the active position by the time setting means when they are put in the time setting position of the watch.
  • the locking means are arranged to prevent the movement of the rocker under the effect of the flip-flop spring.
  • the locking means may advantageously comprise a movable insulator which in its active position, rests against the pawl so as to prevent it from releasing the latch.
  • the trigger finger installed on the 24-hour wheel is elastic, which allows it to yield when it rests in the midnight position against the pawl blocked by the insulator. The time setting is done without any difficulty.
  • Watches having a calendar mechanism operated by a daily movement of a large rocker are well known and such a mechanism therefore does not need to to be described here.
  • the calendar mechanism 1 which is here instantaneous actuation, comprises a large rocker 2 pivoted at 3 and permanently pushed by a spring 4 shown here schematically by an arrow, tending to rotate the rocker 2 around its pivot 3 in the direction indicated by the arrow A.
  • the movement of the large rocker in the direction of A advances a step a star of the dates and a star of days.
  • the daily back and forth of the large flip-flop 2 is controlled by a gear wheel 10 called a 24-hour wheel, which is engaged with the hour wheel of the movement of the watch, where appropriate via a return, to make a complete revolution per day in the direction indicated by the arrow B.
  • the wheel 10 is provided with a spiral cam 11 and a trigger finger 12 which, in this example, is attached to the wheel 10 through a second cam 13 for controlling a day / night indicator.
  • the level of the finger 12 is different from that of the cam 11.
  • the toothing of the wheel 10 has been removed to clarify the drawing.
  • the cam 11 has a peripheral surface 15 in the form of a spiral, against which the bent end 16 of a feeler 17 forming part of the rocker 2 lies sliding under the effect of the spring 4, so that the rotation of the cam 11 slowly rotates the rocker 2 in the opposite direction to A.
  • This pivoting of the rocker has the effect of arming the spring 4 to the position shown in the figures 1 and 3 .
  • the surface 15 terminates in an abrupt radial recess 18, the passage under the tip 16 releases the probe 17 at a predetermined time by the angular position of mounting of the cam 11 and the wheel 10 relative to the hour wheel. This moment is preferably a few minutes before midnight.
  • the trigger finger 12 is intended to trigger the instantaneous return of the rocker 2 at a defined time more precisely than can the cam 11.
  • a pawl 20 pivoting at 21 and biased by a spring in the direction of the arrow C so that a flank 22 of the pawl, in a position such as that of the figure 2 , leans against a spout 23 of the rocker 2 as it has not yet reached its armed position.
  • the effect of the spring advances the point 24 of the pawl 20 under an edge 25 of the rocker as shown in FIG. figure 3 .
  • the pawl is stopped in this position by a stop not shown.
  • the pawl 20 still retains the rocker 2 in the armed position, as shown in FIG. figure 4 . It is only a few moments later, preferably just at midnight, that the end 27 of the trigger finger 12, abutting by sliding against the rear arm 28 of the pawl, rotates it in the opposite direction to C The point 24 of the pawl then passes to the left of the spout 23 and allows the latch 2 to pivot sharply in the direction of A to the position of the Figure 2A , 2B to rotate the star of the dates by one step and, if necessary, to fulfill any other daily function attributed to it.
  • the time setting operation of the watch rotates the hour wheel with the hour hand and, therefore, also rotates the 24 hour wheel and the cam 11.
  • the mechanism passes through the position midnight, the aforementioned triggering of the flip-flop 2 would occur, if the action of the triggering finger 12 was not inhibited by an insulator 30 intervening under the action of the means of setting the time 32.
  • These include here in a conventional manner, a winding stem 33 which moves a rocker 34 when pulled to a time setting position.
  • the insulator 30 has the shape of a lever mounted on a pivot 35 and having a short rear arm 36 and a long front arm 37, slightly flexible and having a pallet 38 at its free end next to the end of the rear arm 28 of the pawl 20.
  • a side of the rear arm 36 abuts against a control finger 40 forming part of a lever 41 pivoted at 42 and connected to the rocker 34.
  • the control finger 40 is moved back to the neutral position shown in the Figures 2 to 4 .
  • the isolator 30 abutting the finger 40 also occupies a neutral position in which the pallet 38 of its arm 37 is beyond the end of the rear arm 28 of the pawl 20.
  • the trigger finger 12 pushes back arm 28 towards a lateral face of the pallet 38, as shown by the Figures 4 and 5 .
  • the resistance that the long arm 37 of the insulator can oppose to the pawl 20 under these conditions is lower than the force of the finger 12, so that the insulator can flex to let the pawl and thus allow the normal operation of the pawl. big rocker 2.
  • the setting in the drawn position of the rod 33 rotates the control finger 40 and the insulator 30 as indicated by the arrows D and E, to put these two elements in their active position represented in the figure 6 . It is then the front edge 44 of the pallet 38 which will bear against the pawl 20, more precisely against the flank 45 of the rear arm 28 of the pawl. Under these conditions, the resistance that the insulator 30 opposes to the pawl 20 is much stronger than the thrust of the elastic finger 12. The pawl can not rotate in the opposite direction to the arrow C, so it holds the latch 2 during the switch to midnight and the rest of the time-setting operation.
  • the locking means comprising the isolator 30 in the form of a pivoting lever in this example has the advantage of being simple, reliable and compact. However, it can be done differently, for example with an insulator formed by a slider or a part whose end is raised to create a stop against the pawl, but the solutions of this kind are less popular with watchmakers.
  • the blocking means according to the invention instead of preventing the movement of the large rocker, could be arranged to neutralize the effect of this movement. This is possible for example when the large scale acts on the date counter by means of an arm articulated elastically on the scale, as seen for example in the patent application. GB 2369897 . It would be sufficient for the isolator to be placed on the trajectory of this arm to push it away from the teeth of the date counter during the time-setting operation.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Electromechanical Clocks (AREA)
  • Mirrors, Picture Frames, Photograph Stands, And Related Fastening Devices (AREA)
  • Push-Button Switches (AREA)
  • Medicines Containing Plant Substances (AREA)
  • Executing Machine-Instructions (AREA)
  • Supporting Of Heads In Record-Carrier Devices (AREA)

Abstract

The watch, incorporating a spring-loaded balance arm (2) that is released once a day by a 24-hour wheel (10) to advance the date, has a lock (30, 40) for the calendar mechanism that prevents the transmission of movement from the 24-hour wheel to the date actuator when the watch time is being adjusted by stopping the balance arm from being moved by its spring. When it is not locked, the balance arm is released every 24 hours by a spiral cam (11) attached to the 24-hour wheel.

Description

Arrière-plan de l'inventionBackground of the invention

La présente invention concerne une montre ayant des moyens de mise à l'heure et un mécanisme de calendrier comportant une bascule chargée par un ressort et déclenchée une fois par jour à partir d'une roue de 24 heures, laquelle est entraînée par le mouvement de la montre pour faire un tour par jour, le déclenchement de la bascule ayant pour effet de faire avancer d'un pas un mobile des quantièmes, par exemple comportant une étoile, dans le mécanisme de calendrier.The present invention relates to a watch having time setting means and a calendar mechanism comprising a spring-loaded latch triggered once a day from a 24-hour wheel, which is driven by the movement of the latch. the watch to make a turn a day, the triggering of the rocker having the effect of advancing a mobile date milestones, for example with a star, in the calendar mechanism.

L'invention s'applique en particulier, mais pas exclusivement, à une montre à quantième dit instantané, dans laquelle le mécanisme de calendrier comporte une came en spirale, solidaire de la roue de 24 heures et agissant sur la bascule pour l'armer progressivement durant un jour à l'encontre du ressort de bascule, un cliquet pourvu d'un ressort de rappel tendant à le mettre dans une position d'arrêt dans laquelle le cliquet retient la bascule en position armée à l'encontre du ressort de bascule, et un doigt de déclenchement disposé sur la roue de 24 heures pour agir à une heure déterminée sur le cliquet de façon que celui-ci libère la bascule. Un tel agencement du mécanisme de calendrier a l'avantage de faire avancer le mobile des quantièmes de manière instantanée, par exemple chaque jour vers minuit grâce à l'action de la roue de 24 heures, si bien que les indicateurs de quantième et de jour donnent des indications correctes avant minuit et après. De tels mécanismes sont bien connus et le lecteur pourra en trouver une description dans le brevet suisse no. 1018 , par exemple.The invention applies in particular, but not exclusively, to a so-called instantaneous date watch, in which the calendar mechanism comprises a spiral cam, integral with the 24-hour wheel and acting on the rocker to arm it gradually. during a day against the rocking spring, a pawl provided with a return spring tending to put it in a stop position in which the pawl holds the rocker in the cocked position against the rocking spring, and a trigger finger disposed on the 24-hour wheel to act at a specific time on the pawl so that it releases the rocker. Such an arrangement of the calendar mechanism has the advantage of advancing the calendar mobile instantaneously, for example every day around midnight thanks to the action of the 24-hour wheel, so that the date and calendar indicators give correct indications before midnight and after. Such mechanisms are well known and the reader will be able to find a description in the patent Swiss no. 1018 , for example.

Dans les montres à calendrier habituelles, lorsqu'on fait avancer manuellement les aiguilles pour mettre la montre à l'heure, par exemple parce qu'elle s'était arrêtée, la roue de 24 heures peut passer par sa position de minuit et actionner le mécanisme de calendrier en incrémentant le quantième et le jour de la semaine, et le cas échéant l'indicateur de phase de lune. L'utilisateur ne souhaite pas toujours une telle action qui peut être assez gênante, en particulier par ses effets en cascade dans un mécanisme de calendrier perpétuel, et dans certains cas il préfèrerait régler la date séparément au moyen des correcteurs manuels habituels, agissant chacun sur l'un des indicateurs du calendrier.In the usual calendar watches, when manually moving the hands to set the watch on time, for example because it had stopped, the 24-hour wheel can go through its midnight position and activate the calendar mechanism by incrementing the date and the day of the week, and if necessary the moon phase indicator. The user does not always want such an action that can be quite troublesome, especially by its cascading effects in a perpetual calendar mechanism, and in some cases he would prefer to adjust the date separately by means of the usual manual correctors, each acting on one of the calendar indicators.

Résumé de l'inventionSummary of the invention

La présente invention a pour objet une montre à calendrier du genre indiqué en préambule ci-dessus, agencée de façon à permettre la mise à l'heure sans que cette opération modifie l'état du mécanisme de calendrier.The subject of the present invention is a calendar watch of the type indicated in the preamble above, arranged so as to allow time setting without this operation modifying the state of the calendar mechanism.

Plus particulièrement, une montre selon l'invention se caractérise en ce que le mécanisme de calendrier comporte des moyens de blocage, ayant une position active dans laquelle ils empêchent une transmission du mouvement de la roue de 24 heures au mobile des quantièmes, et en ce que les moyens de blocage sont mis en position active par les moyens de mise à l'heure lorsque ceux-ci sont mis en position de mise à l'heure de la montre. Il en résulte que lors du passage à minuit pendant la mise à l'heure, non seulement le mobile des quantièmes reste immobile, mais aussi d'autres éléments du mécanisme pouvant être entraînés par ce mobile, notamment un compteur des mois et un compteur des années.More particularly, a watch according to the invention is characterized in that the calendar mechanism comprises locking means, having an active position in which they prevent a transmission of the movement of the 24-hour wheel to the mobile of the dates, and in that that the blocking means are set in the active position by the time setting means when they are put in the time setting position of the watch. As a result, during the transition to midnight during the time setting, not only the date mobile remains stationary, but also other elements of the mechanism that can be driven by this mobile, including a month counter and a counter of years.

Selon un mode de réalisation préféré, les moyens de blocage sont agencés pour empêcher le mouvement de la bascule sous l'effet du ressort de bascule. Ainsi, tous les éléments du calendrier dont le mouvement découle de l'action de cette bascule, même s'ils ne sont pas entraînés par le mobile des quantièmes, restent nécessairement immobiles pendant que l'utilisateur met sa montre à l'heure, même lorsque la roue de 24 heures passe par sa position de minuit.According to a preferred embodiment, the locking means are arranged to prevent the movement of the rocker under the effect of the flip-flop spring. Thus, all the elements of the calendar whose movement results from the action of this rocker, even if they are not driven by the mobile dates, necessarily remain stationary while the user puts his watch on time, even when the 24-hour wheel passes through its midnight position.

Dans le cas d'un mécanisme de calendrier à quantième instantané comme défini plus haut, les moyens de blocage peuvent avantageusement comprendre un isolateur mobile qui dans sa position active, s'appuie contre le cliquet de façon à l'empêcher de libérer la bascule. Selon un mode de réalisation avantageux, le doigt de déclenchement installé sur la roue de 24 heures est élastique, ce qui lui permet de céder lorsqu'il s'appuie en position de minuit contre le cliquet bloqué par l'isolateur. La mise à l'heure s'effectue ainsi sans aucune difficulté.In the case of an instant calendar calendar mechanism as defined above, the locking means may advantageously comprise a movable insulator which in its active position, rests against the pawl so as to prevent it from releasing the latch. According to an advantageous embodiment, the trigger finger installed on the 24-hour wheel is elastic, which allows it to yield when it rests in the midnight position against the pawl blocked by the insulator. The time setting is done without any difficulty.

Description sommaire des dessinsBrief description of the drawings

D'autres caractéristiques et avantages de la présente invention ressortiront de la description suivante, qui présente à titre d'exemple non limitatif un mode de réalisation préféré de l'invention en se référant aux dessins annexés, dans lesquels :

  • la figure 1 est une vue en plan schématique montrant les éléments qui commandent le mouvement quotidien d'une grande bascule d'un mécanisme de calendrier perpétuel à quantième instantané dans une montre, ainsi qu'un isolateur capable d'inhiber le déclenchement de la grande bascule,
  • les figures 2 à 4 représentent en perspective différentes positions des éléments de la figure 1 aux alentours de minuit,
  • la figure 5 représente plus en détail la position de la figure 4 dans des conditions normales, et
  • la figure 6 représente la position de la figure 4 pendant la mise à l'heure de la montre.
Other features and advantages of the present invention will emerge from the following description, which, by way of nonlimiting example, shows a preferred embodiment of the invention with reference to the appended drawings, in which:
  • the figure 1 is a schematic plan view showing the elements that control the daily movement of a large flip-flop of an instant calendar perpetual calendar mechanism in a watch, as well as an isolator capable of inhibiting the triggering of the large flip-flop,
  • the Figures 2 to 4 represent in perspective different positions of the elements of the figure 1 around midnight,
  • the figure 5 represents in more detail the position of the figure 4 under normal conditions, and
  • the figure 6 represents the position of the figure 4 during the time setting of the watch.

Description détaillée d'un mode de réalisationDetailed description of an embodiment

Les montres ayant un mécanisme de calendrier actionné par un mouvement quotidien d'une grande bascule, que ce mécanisme soit simple, annuel ou perpétuel et actionné de manière traînante ou instantanée, sont bien connues et un tel mécanisme n'a donc pas besoin d'être décrit ici. On voit simplement dans les dessins que le mécanisme de calendrier 1, qui est ici à actionnement instantané, comporte une grande bascule 2 pivotée en 3 et poussée en permanence par un ressort 4 représenté ici schématiquement par une flèche, tendant à faire pivoter la bascule 2 autour de son pivot 3 dans le sens indiqué par la flèche A. De manière connue, le mouvement de la grande bascule dans le sens de A fait avancer d'un pas une étoile des quantièmes et une étoile des jours.Watches having a calendar mechanism operated by a daily movement of a large rocker, whether this mechanism is simple, annual or perpetual and operated in a dragging or instantaneous manner, are well known and such a mechanism therefore does not need to to be described here. We simply see in the drawings that the calendar mechanism 1, which is here instantaneous actuation, comprises a large rocker 2 pivoted at 3 and permanently pushed by a spring 4 shown here schematically by an arrow, tending to rotate the rocker 2 around its pivot 3 in the direction indicated by the arrow A. In a known manner, the movement of the large rocker in the direction of A advances a step a star of the dates and a star of days.

Le va-et-vient quotidien de la grande bascule 2 est commandé par une roue dentée 10 appelée roue de 24 heures, qui est en prise avec la roue des heures du mouvement de la montre, le cas échéant par l'intermédiaire d'un renvoi, pour faire un tour complet par jour dans le sens indiqué par la flèche B. Pour agir sur la bascule, la roue 10 est munie d'une came en spirale 11 et d'un doigt de déclenchement 12 qui, dans cet exemple, est fixé à la roue 10 par l'entremise d'une seconde came 13 destinée à commander un indicateur jour/nuit. Le niveau du doigt 12 est différent de celui de la came 11. Dans les figures 2 à 6, la denture de la roue 10 a été enlevée pour clarifier le dessin.The daily back and forth of the large flip-flop 2 is controlled by a gear wheel 10 called a 24-hour wheel, which is engaged with the hour wheel of the movement of the watch, where appropriate via a return, to make a complete revolution per day in the direction indicated by the arrow B. To act on the rocker, the wheel 10 is provided with a spiral cam 11 and a trigger finger 12 which, in this example, is attached to the wheel 10 through a second cam 13 for controlling a day / night indicator. The level of the finger 12 is different from that of the cam 11. In the Figures 2 to 6 , the toothing of the wheel 10 has been removed to clarify the drawing.

La came 11 a une surface périphérique 15 en forme de spirale, contre laquelle l'extrémité coudée 16 d'un palpeur 17 faisant partie de la bascule 2 s'appuie en glissant sous l'effet du ressort 4, si bien que la rotation de la came 11 fait pivoter lentement la bascule 2 dans le sens opposé à A. Ce pivotement de la bascule a pour effet d'armer le ressort 4 jusqu'à la position représentée dans les figures 1 et 3. La surface 15 se termine par un décrochement radial brusque 18, dont le passage sous la pointe 16 libère le palpeur 17 à un moment prédéterminé par la position angulaire de montage de la came 11 et de la roue 10 par rapport à la roue des heures. Ce moment se situe de préférence quelques minutes avant minuit.The cam 11 has a peripheral surface 15 in the form of a spiral, against which the bent end 16 of a feeler 17 forming part of the rocker 2 lies sliding under the effect of the spring 4, so that the rotation of the cam 11 slowly rotates the rocker 2 in the opposite direction to A. This pivoting of the rocker has the effect of arming the spring 4 to the position shown in the figures 1 and 3 . The surface 15 terminates in an abrupt radial recess 18, the passage under the tip 16 releases the probe 17 at a predetermined time by the angular position of mounting of the cam 11 and the wheel 10 relative to the hour wheel. This moment is preferably a few minutes before midnight.

Le doigt de déclenchement 12 est destiné à déclencher le retour instantané de la bascule 2 à une heure définie plus précisément que ne peut le faire la came 11. Dans ce but, il est prévu un cliquet 20 pivotant en 21 et sollicité par un ressort dans le sens de la flèche C afin qu'un flanc 22 du cliquet, dans une position telle que celle de la figure 2, s'appuie contre un bec 23 de la bascule 2 tant que celle-ci n'a pas encore atteint sa position armée. Dès que cette position est atteinte, l'effet du ressort fait avancer la pointe 24 du cliquet 20 sous un bord 25 de la bascule comme le montre la figure 3. Le cliquet est arrêté dans cette position par une butée non représentée. Ainsi, au moment susmentionné où la pointe du palpeur 17 franchit le décrochement 18 de la came 11, le cliquet 20 retient encore la bascule 2 en position armée, comme le montre la figure 4. C'est seulement quelques instants plus tard, de préférence juste à minuit, que l'extrémité 27 du doigt de déclenchement 12, s'appuyant en glissant contre le bras arrière 28 du cliquet, fait pivoter celui-ci dans le sens opposé à C. La pointe 24 du cliquet passe alors à gauche du bec 23 et permet à la bascule 2 de pivoter brusquement dans le sens de A jusqu'à la position de la figure 2A, 2B pour faire tourner d'un pas l'étoile des quantièmes et, au besoin, remplir toute autre fonction quotidienne qui lui serait attribuée.The trigger finger 12 is intended to trigger the instantaneous return of the rocker 2 at a defined time more precisely than can the cam 11. For this purpose, there is provided a pawl 20 pivoting at 21 and biased by a spring in the direction of the arrow C so that a flank 22 of the pawl, in a position such as that of the figure 2 , leans against a spout 23 of the rocker 2 as it has not yet reached its armed position. As soon as this position is reached, the effect of the spring advances the point 24 of the pawl 20 under an edge 25 of the rocker as shown in FIG. figure 3 . The pawl is stopped in this position by a stop not shown. Thus, at the aforementioned moment when the tip of the probe 17 crosses the recess 18 of the cam 11, the pawl 20 still retains the rocker 2 in the armed position, as shown in FIG. figure 4 . It is only a few moments later, preferably just at midnight, that the end 27 of the trigger finger 12, abutting by sliding against the rear arm 28 of the pawl, rotates it in the opposite direction to C The point 24 of the pawl then passes to the left of the spout 23 and allows the latch 2 to pivot sharply in the direction of A to the position of the Figure 2A , 2B to rotate the star of the dates by one step and, if necessary, to fulfill any other daily function attributed to it.

L'opération de mise à l'heure de la montre fait tourner la roue des heures avec l'aiguille des heures et, par conséquent, fait aussi tourner la roue de 24 heures 10 et la came 11. Quand le mécanisme passe par la position minuit, le déclenchement susmentionné de la bascule 2 se produirait, si l'action du doigt de déclenchement 12 n'était pas inhibée par un isolateur 30 intervenant sous l'action des moyens de mise à l'heure 32. Ceux-ci comportent ici, de manière classique, une tige de remontoir 33 qui déplace une bascule 34 lorsqu'elle est tirée jusqu'à une position de mise à l'heure.The time setting operation of the watch rotates the hour wheel with the hour hand and, therefore, also rotates the 24 hour wheel and the cam 11. When the mechanism passes through the position midnight, the aforementioned triggering of the flip-flop 2 would occur, if the action of the triggering finger 12 was not inhibited by an insulator 30 intervening under the action of the means of setting the time 32. These include here in a conventional manner, a winding stem 33 which moves a rocker 34 when pulled to a time setting position.

Dans l'exemple représenté dans les dessins, l'isolateur 30 a la forme d'un levier monté sur un pivot 35 et ayant un court bras arrière 36 et un long bras avant 37, légèrement flexible et présentant une palette 38 à son extrémité libre, à côté de l'extrémité du bras arrière 28 du cliquet 20. Un côté du bras arrière 36 bute contre un doigt de commande 40 faisant partie d'un levier 41 pivoté en 42 et lié à la bascule 34. Tant que la tige de remontoir 33 n'est pas en position de mise à l'heure, le doigt de commande 40 est reculé dans la position neutre représentée dans les figures 2 à 4. L'isolateur 30 butant contre le doigt 40 occupe aussi une position neutre dans laquelle la palette 38 de son bras 37 se trouve au-delà de l'extrémité du bras arrière 28 du cliquet 20. A minuit, le doigt de déclenchement 12 repousse ce bras 28 en direction d'une face latérale de la palette 38, comme le montrent les figures 4 et 5. La résistance que le long bras 37 de l'isolateur peut opposer au cliquet 20 dans ces conditions est plus faible que la force du doigt 12, si bien que l'isolateur peut fléchir pour laisser pivoter le cliquet et donc permettre le fonctionnement normal de la grande bascule 2.In the example shown in the drawings, the insulator 30 has the shape of a lever mounted on a pivot 35 and having a short rear arm 36 and a long front arm 37, slightly flexible and having a pallet 38 at its free end next to the end of the rear arm 28 of the pawl 20. A side of the rear arm 36 abuts against a control finger 40 forming part of a lever 41 pivoted at 42 and connected to the rocker 34. As long as the rod of winder 33 is not in the setting position, the control finger 40 is moved back to the neutral position shown in the Figures 2 to 4 . The isolator 30 abutting the finger 40 also occupies a neutral position in which the pallet 38 of its arm 37 is beyond the end of the rear arm 28 of the pawl 20. At midnight, the trigger finger 12 pushes back arm 28 towards a lateral face of the pallet 38, as shown by the Figures 4 and 5 . The resistance that the long arm 37 of the insulator can oppose to the pawl 20 under these conditions is lower than the force of the finger 12, so that the insulator can flex to let the pawl and thus allow the normal operation of the pawl. big rocker 2.

Au contraire, pendant l'opération de mise à l'heure, la mise en position tirée de la tige 33 fait pivoter le doigt de commande 40 et l'isolateur 30 comme l'indiquent les flèches D et E, pour mettre ces deux éléments dans leur position active représentée dans la figure 6. C'est alors le bord avant 44 de la palette 38 qui va s'appuyer contre le cliquet 20, plus précisément contre le flanc 45 du bras arrière 28 du cliquet. Dans ces conditions, la résistance que l'isolateur 30 oppose au cliquet 20 est bien plus forte que la poussée du doigt élastique 12. Le cliquet ne peut pas pivoter dans le sens opposé à la flèche C, donc il retient la bascule 2 pendant le passage à minuit et le reste de l'opération de mise à l'heure.On the contrary, during the time setting operation, the setting in the drawn position of the rod 33 rotates the control finger 40 and the insulator 30 as indicated by the arrows D and E, to put these two elements in their active position represented in the figure 6 . It is then the front edge 44 of the pallet 38 which will bear against the pawl 20, more precisely against the flank 45 of the rear arm 28 of the pawl. Under these conditions, the resistance that the insulator 30 opposes to the pawl 20 is much stronger than the thrust of the elastic finger 12. The pawl can not rotate in the opposite direction to the arrow C, so it holds the latch 2 during the switch to midnight and the rest of the time-setting operation.

Le moyen de blocage comprenant l'isolateur 30 sous forme d'un levier pivotant dans cet exemple a l'avantage d'être simple, fiable et peu encombrant. On peut toutefois le réaliser différemment, par exemple avec un isolateur formé par une pièce coulissante ou une pièce dont l'extrémité est soulevée pour créer une butée face au cliquet, mais les solutions de ce genre sont moins prisées par les horlogers.The locking means comprising the isolator 30 in the form of a pivoting lever in this example has the advantage of being simple, reliable and compact. However, it can be done differently, for example with an insulator formed by a slider or a part whose end is raised to create a stop against the pawl, but the solutions of this kind are less popular with watchmakers.

On notera aussi que le moyen de blocage selon l'invention, au lieu d'empêcher le mouvement de la grande bascule, pourrait être agencé pour neutraliser l'effet de ce mouvement. C'est possible par exemple lorsque la grande bascule agit sur le compteur de quantièmes au moyen d'un bras articulé élastiquement sur la bascule, comme on le voit par exemple dans la demande de brevet GB 2369897 . Il suffirait que l'isolateur soit placé sur la trajectoire de ce bras pour le repousser à distance des dents du compteur de quantièmes durant l'opération de mise à l'heure.Note also that the blocking means according to the invention, instead of preventing the movement of the large rocker, could be arranged to neutralize the effect of this movement. This is possible for example when the large scale acts on the date counter by means of an arm articulated elastically on the scale, as seen for example in the patent application. GB 2369897 . It would be sufficient for the isolator to be placed on the trajectory of this arm to push it away from the teeth of the date counter during the time-setting operation.

Claims (5)

  1. Watch having time-setting means (32) and a calendar mechanism including a lever (2) biased by a spring and released once a day from a 24 hour wheel (10), which is driven by the watch movement to complete one revolution per day, the effect of the release of the lever (2) being to move a date wheel set one step forward in the calendar mechanism,
    characterized in that the calendar mechanism includes locking means (30, 40) having an active position in which they prevent a transmission of the movement of the 24 hour wheel to the date wheel set, and in that the locking means are set in active position by the time-setting means (32) when the latter are set in the position for setting the time of the watch.
  2. Watch according to claim 1, characterized in that the locking means (30, 40) are arranged to prevent the movement of the lever (2) under the effect of the lever spring (4).
  3. Watch according to claim 2, characterized in that the calendar mechanism includes a spiral shaped cam (11), secured to the 24 hour wheel and acting on the lever (2) to wind the latter gradually during one day against the lever spring (4), a click (20) associated with a return spring tending to set the latter in a stop position in which the click restrains the lever (2) in the wound position against the lever spring, and a release finger (12) arranged on the 24 hour wheel to act at a determined time on the click (20) such that the latter releases the lever, and in that the locking means include a mobile isolator (30), which, in the active position thereof, abuts against the click (20) so as to prevent said click from releasing the lever (2).
  4. Watch according to claim 3, characterized in that the release finger (12) is resilient.
  5. Watch according to claim 4, characterized in that the isolator (30) is formed by a pivoting lever and includes a long arm (37) one end of which, in said active position, abuts against one side of the click (20).
EP05112793A 2005-12-22 2005-12-22 Calendar watch provided with blocking means Active EP1801671B1 (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
EP05112793A EP1801671B1 (en) 2005-12-22 2005-12-22 Calendar watch provided with blocking means
AT05112793T ATE431580T1 (en) 2005-12-22 2005-12-22 CALENDAR WATCH WITH LOCKING MEANS
DE602005014495T DE602005014495D1 (en) 2005-12-22 2005-12-22 Locking calendar clock
SG200608914-8A SG133564A1 (en) 2005-12-22 2006-12-21 Calendar watch provided with locking means
CN200610169917XA CN101008824B (en) 2005-12-22 2006-12-22 Calendar watch provided with blocking means
US11/615,147 US7408844B2 (en) 2005-12-22 2006-12-22 Calendar watch provided with locking means
JP2006345747A JP4778412B2 (en) 2005-12-22 2006-12-22 Calendar display clock with locking means
HK07111362.0A HK1106300A1 (en) 2005-12-22 2007-10-22 Calendar watch provided with locking means

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05112793A EP1801671B1 (en) 2005-12-22 2005-12-22 Calendar watch provided with blocking means

Publications (2)

Publication Number Publication Date
EP1801671A1 EP1801671A1 (en) 2007-06-27
EP1801671B1 true EP1801671B1 (en) 2009-05-13

Family

ID=37308925

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05112793A Active EP1801671B1 (en) 2005-12-22 2005-12-22 Calendar watch provided with blocking means

Country Status (8)

Country Link
US (1) US7408844B2 (en)
EP (1) EP1801671B1 (en)
JP (1) JP4778412B2 (en)
CN (1) CN101008824B (en)
AT (1) ATE431580T1 (en)
DE (1) DE602005014495D1 (en)
HK (1) HK1106300A1 (en)
SG (1) SG133564A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE465438T1 (en) * 2006-11-06 2010-05-15 Longines Montres Comp D CLOCK COMPRISING A CORRECTION MECHANISM FOR A DEVICE FOR DISPLAYING A TIME SIZE
ATE538416T1 (en) * 2008-10-16 2012-01-15 Eta Sa Mft Horlogere Suisse BLOCKING MECHANISM FOR A CLOCK DRIVE MODULE
EP2180383B1 (en) * 2008-10-24 2012-01-25 ETA SA Manufacture Horlogère Suisse Device to assist in maintaining the position of a date disc for a timepiece
EP2503412B1 (en) * 2011-03-23 2013-08-28 Montres Breguet SA Uhrwerk, das eine Vorrichtung mit fortschreitender Zeitgleichung umfasst
EP2503407B1 (en) * 2011-03-23 2017-06-28 Montres Breguet SA Timepiece movement comprising an instant actuator controlled by the movement
FR2973123B1 (en) 2011-03-23 2014-01-03 Samep Montres Emile Pequignet INSTANTANEOUS TRAINING MECHANISM FOR WATCHMAKING MOVEMENT
CN105446112B (en) * 2014-08-27 2018-05-22 天津海鸥表业集团有限公司 Intermittent reciprocating motion control system in watch
CH712012A1 (en) * 2016-01-14 2017-07-14 Richemont Int Sa Watch movement with jumping display mechanism.

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH1018A (en) * 1889-05-23 1889-08-26 Patek Philippe & Cie Perpetual calendar mechanism, specially designed for pocket watches
CH5900A (en) * 1892-12-19 1893-04-29 Adamir Sandoz Improved mechanism for date watches, with instantaneous jump of the hands or discs, allowing the resets to be activated at any time, in all directions, until the last minute before the jump
US3470687A (en) * 1966-12-15 1969-10-07 Suwa Seikosha Kk Date and day correcting device of a calendar timepiece
DE2060056A1 (en) * 1970-12-07 1972-06-15 Pforzheimer Uhren Rohwerke Date switch for clocks
CH1576671A4 (en) * 1971-10-29 1975-10-31
US3866407A (en) * 1974-04-25 1975-02-18 Timex Corp Stem locking mechanism for electric calendar watches
GB2369897B (en) * 2000-12-06 2002-11-06 Souza Paul Gerard D Large date display mechanism for clocks & watches
SG103916A1 (en) * 2002-04-03 2004-05-26 Lemania Nouvelle Sa Watch including a case of elongated shape
ATE528699T1 (en) * 2005-11-11 2011-10-15 Omega Sa ANNUAL CALENDAR MECHANISM FOR CLOCK MOVEMENT

Also Published As

Publication number Publication date
US20070147177A1 (en) 2007-06-28
HK1106300A1 (en) 2008-03-07
SG133564A1 (en) 2007-07-30
EP1801671A1 (en) 2007-06-27
JP2007171202A (en) 2007-07-05
ATE431580T1 (en) 2009-05-15
US7408844B2 (en) 2008-08-05
DE602005014495D1 (en) 2009-06-25
JP4778412B2 (en) 2011-09-21
CN101008824A (en) 2007-08-01
CN101008824B (en) 2010-05-19

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