EP1953612B1 - Device for driving and regulating an instantaneous counter - Google Patents

Device for driving and regulating an instantaneous counter Download PDF

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Publication number
EP1953612B1
EP1953612B1 EP20070025163 EP07025163A EP1953612B1 EP 1953612 B1 EP1953612 B1 EP 1953612B1 EP 20070025163 EP20070025163 EP 20070025163 EP 07025163 A EP07025163 A EP 07025163A EP 1953612 B1 EP1953612 B1 EP 1953612B1
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EP
European Patent Office
Prior art keywords
shaft
counter
wheel
chronograph
snail cam
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Active
Application number
EP20070025163
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German (de)
French (fr)
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EP1953612A3 (en
EP1953612A2 (en
Inventor
Didier Faoro
Pierre-Maurice Rochat
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.)
Patek Philippe SA Geneve
Original Assignee
Patek Philippe SA Geneve
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Application filed by Patek Philippe SA Geneve filed Critical Patek Philippe SA Geneve
Publication of EP1953612A2 publication Critical patent/EP1953612A2/en
Publication of EP1953612A3 publication Critical patent/EP1953612A3/en
Application granted granted Critical
Publication of EP1953612B1 publication Critical patent/EP1953612B1/en
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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F7/00—Apparatus for measuring unknown time intervals by non-electric means
    • G04F7/04—Apparatus for measuring unknown time intervals by non-electric means using a mechanical oscillator
    • G04F7/08—Watches or clocks with stop devices, e.g. chronograph
    • 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
    • G04B13/00—Gearwork
    • G04B13/002—Gearwork where rotation in one direction is changed into a stepping movement
    • G04B13/003—Gearwork where rotation in one direction is changed into a stepping movement with a step for each complete revolution

Definitions

  • the present invention relates to a device for driving and adjusting an instantaneous counter, including an instant minute counter of a chronograph.
  • the invention relates to an instant minute counter of a chronograph comprising a snail cam driven in rotation by an axis which carries a second hand cooperating with a graduation of chronograph seconds.
  • a counter of minutes counter subjected to the action of a return spring, has a spout bearing on the periphery of the snail cam and a ratchet of minutes cooperating, under the action of a pawl spring carried by the minute rocker, with the toothache teeth of a chronograph minute counter wheel.
  • the object of the present invention is to provide a setting device for performing the adjustment of the angular position of the snail cam on the axis bearing the chronograph seconds hand in good conditions, that is to say without weakening the fixation of this snail cam on said axis for to obtain a perfect simultaneity of the zero crossing of the second hand and the fall of the mouthpiece of the minute latch.
  • the control mechanism of the instant chronograph minute counter wheel 1 is illustrated in FIG. figure 1 .
  • the minute counter wheel 1 is held between its successive actuations in angular positions determined by a jumper 2.
  • This control mechanism comprises a counter of minute counter 3 pivoted in O having a probe 4 cooperating with a snail cam 5 mounted on and driven by the chronograph axis 6.
  • This chronograph axis 6 carries at its upper end the second chronograph seconds hand 7 and is integral with the chronograph wheel 11 and the reset heart of the second chronographs 12.
  • the counter of minute counter 3 comprises a drive pawl 8 pivoted on the free end of this rocker 3 and subjected to the action of a return spring 9, integral with the rocker 3, tending to apply the spout 10 driving ratchet 8 against the teeth in wolf teeth of the chronograph minute counter wheel 1.
  • the chronograph seconds axis 6 comprises an axial abutment 13 adjoining a first large diameter range 14, a second range 15 of smaller diameter than the first 14 on which the chronograph wheel 11 is forcibly driven. thus making it integral with the chronograph axis 6.
  • a third scope 16, smaller in diameter than the second 15, serves as a centering pin in the heart 12 reset. This core 12 is fixed with a screw 17 on the chronograph wheel 11.
  • the opposite end of the chronograph axis 6 carries the chronograph second hand 7.
  • the snail cam 5 of the minute counter is frictionally mounted on the first bearing 14 of the chronograph axis 6 and is sandwiched between the axial stop 13 of the chronograph axis 6 and the underside of the wheel. Chronograph 11.
  • This snail cam 6 comprises a slot 18 in which is engaged the finger 19 of an eccentric 20 pivoted in the chronograph wheel 11.
  • the angular position of the snail cam 5 is modified with respect to the chronograph axis 6 which allows to adjust the angular positioning of this snail cam 5 very precisely so that the spout 4 of the instant chronograph minute counter flip-flop 3 falls from the upper part H of the snail cam 5 on its lower part h exactly when the chronograph second hand 7 passes the origin of the graduation with which it cooperates, indicating O respectively 60 seconds.
  • the eccentric 20 by applying it strongly against the chronograph wheel 11, which prevents any disturbance of the adjustment device. Indeed, the eccentric 20 is positioned such that it is partially located under the heart but that its operating member, here a slot 21, is accessible even when the core 12 is put in place.
  • This adjustment device is very simple, it has only few parts and allows a fine adjustment of the angular position of the snail cam 5 relative to the chronograph axis 6. In addition, the adjustment can be done without removing the Instant minute counter mechanism and its blocking by the heart 12 prohibits any inadvertent adjustment.
  • the watchmaker can by turning the eccentric 20 with a screwdriver inserted in its slot 21, modify the angular position of the snail cam 5 with respect to the chronograph axis of an angle ⁇ so that this cam 5 is positioned so that the fall of the instant chronograph minute counter flip-flop 3 takes place exactly at the moment when the second hand 7 carried by the chronograph axis 6 passes zero of its graduation. Then this position being found and tested the core 12 is tightened with the screw 17 on the chronograph wheel thus blocking the head of the eccentric 20 which is partially under the core 12.
  • this setting device of the instant minute counter mechanism is simple, easy to mount and set and safe.
  • This mechanism described in connection with an instant chronograph minute counter, can of course be used in any drive mechanism of an instantaneous counter.
  • chronograph wheel 11 adjoins the snail cam.
  • This chronograph wheel could be for example driven on the lower end of the axis 6.
  • the eccentric 20 is pivoted on a support secured to the axis 6.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Transmission Devices (AREA)
  • Portable Nailing Machines And Staplers (AREA)

Description

La présente invention a pour objet un dispositif d'entraînement et de réglage d'un compteur instantané, notamment d'un compteur de minutes instantané d'un chronographe.The present invention relates to a device for driving and adjusting an instantaneous counter, including an instant minute counter of a chronograph.

Plus particulièrement l'invention se rapporte à un compteur de minutes instantané d'un chronographe comprenant une came escargot entraînée en rotation par un axe qui porte une aiguille des secondes coopérant avec une graduation des secondes de chronographe. Une bascule de compteur de minutes, soumise à l'action d'un ressort de rappel, comporte un bec prenant appui sur la périphérie de la came escargot et un cliquet des minutes coopérant, sous l'action d'un ressort de cliquet porté par la bascule des minutes, avec la denture en dent de loup d'une roue de compteur de minutes de chronographe.More particularly, the invention relates to an instant minute counter of a chronograph comprising a snail cam driven in rotation by an axis which carries a second hand cooperating with a graduation of chronograph seconds. A counter of minutes counter, subjected to the action of a return spring, has a spout bearing on the periphery of the snail cam and a ratchet of minutes cooperating, under the action of a pawl spring carried by the minute rocker, with the toothache teeth of a chronograph minute counter wheel.

Un exemple d'un compteur de ce type est divulgué dans le brevet CH 54709 .An example of a meter of this type is disclosed in the patent CH 54709 .

Dans de tels compteurs de minutes de chronographe instantanés il faut s'assurer qu'au moment où le bec de la bascule de compteur de minutes tombe de la partie la plus haute de la came escargot sur la partie la plus basse de cette came, le cliquet de compteur de minutes de chronographe provoque le saut d'un pas de la roue de compteur de minutes de chronographe et que ce moment coïncide à l'instant ou l'aiguille des secondes de chronographe passe sur la position zéro de la graduation avec laquelle elle coopère.In such instant chronograph minute counters it must be ensured that when the nose of the minute counter rocker falls from the highest part of the snail cam on the lower part of this cam, the chronograph minute counter ratchet causes the step of the chronograph minute counter wheel to be jumped and that moment coincides with the moment when the chronograph second hand moves to the zero position of the scale with which she cooperates.

Pour assurer ce réglage très fin il faut monter le mécanisme, l'essayer, puis le démonter et modifier la came escargot également chassée sur l'axe. Comme il faut effectuer ce réglage par approximations successives il s'en suit que la fixation de la came escargot sur l'axe devient fragile et non stable.To ensure this very fine adjustment it is necessary to mount the mechanism, to try it, then to disassemble it and to modify the snail cam also driven on the axis. As this adjustment must be made by successive approximations it follows that the fixing of the snail cam on the axis becomes fragile and not stable.

Le but de la présente invention est de procurer un dispositif de réglage permettant de réaliser le réglage de la position angulaire de la came escargot sur l'axe portant l'aiguille des secondes de chronographe dans de bonnes conditions, c'est-à-dire sans fragiliser la fixation de cette came escargot sur ledit axe pour obtenir une parfaite simultanéité du passage à zéro de l'aiguille des secondes et de la chute du bec de la bascule des minutes.The object of the present invention is to provide a setting device for performing the adjustment of the angular position of the snail cam on the axis bearing the chronograph seconds hand in good conditions, that is to say without weakening the fixation of this snail cam on said axis for to obtain a perfect simultaneity of the zero crossing of the second hand and the fall of the mouthpiece of the minute latch.

Le dessin annexé illustre schématiquement et à titre d'exemple une forme d'exécution du dispositif de réglage d'un compteur de minutes instantané d'un chronographe.

  • La figure 1 est une vue en plan du mécanisme de compteur de minutes de chronographe comportant le dispositif de réglage selon l'invention.
  • La figure 2 illustre en plan le dispositif de réglage du compteur de minutes de chronographe instantané dans deux de ses positions possibles.
  • La figure 3 est une coupe suivant la ligne A-A de la figure 2.
  • La figure 4 est une vue en perspective de l'ensemble, axe de chronographe, roue de chronographe, came de compteur de minutes, came et excentrique de réglage de la came.
  • La figure 5 est une vue éclatée de l'ensemble représenté à la figure 4.
The accompanying drawing illustrates schematically and by way of example an embodiment of the setting device of an instantaneous minute counter of a chronograph.
  • The figure 1 is a plan view of the chronograph minute counter mechanism comprising the adjusting device according to the invention.
  • The figure 2 illustrates in plan the setting device of the instant chronograph minute counter in two of its possible positions.
  • The figure 3 is a section along line AA of the figure 2 .
  • The figure 4 is a perspective view of the set, chronograph axis, chronograph wheel, minute counter cam, cam and eccentric cam adjustment.
  • The figure 5 is an exploded view of the assembly shown in figure 4 .

Le mécanisme de commande de la roue de compteur de minutes de chronographe instantané 1 est illustré à la figure 1. La roue de compteur de minutes 1 est maintenue entre ses actionnements successifs dans des positions angulaires déterminées par un sautoir 2.The control mechanism of the instant chronograph minute counter wheel 1 is illustrated in FIG. figure 1 . The minute counter wheel 1 is held between its successive actuations in angular positions determined by a jumper 2.

Ce mécanisme de commande comporte une bascule de compteur de minutes 3 pivotée en O présentant un palpeur 4 coopérant avec une came escargot 5 montée sur, et entraînée par, l'axe de chronographe 6. Cet axe de chronographe 6 porte à son extrémité supérieure l'aiguille des secondes de chronographe 7 et est solidaire de la roue de chronographe 11 et du coeur de remise à zéro des secondes chronographes 12.This control mechanism comprises a counter of minute counter 3 pivoted in O having a probe 4 cooperating with a snail cam 5 mounted on and driven by the chronograph axis 6. This chronograph axis 6 carries at its upper end the second chronograph seconds hand 7 and is integral with the chronograph wheel 11 and the reset heart of the second chronographs 12.

La bascule de compteur de minutes 3 comporte un cliquet d'entraînement 8 pivoté sur l'extrémité libre de cette bascule 3 et soumis à l'action d'un ressort de rappel 9, solidaire de la bascule 3, tendant à appliquer le bec 10 du cliquet d'entraînement 8 contre la denture en dent de loup de la roue de compteur de minutes 1 de chronographe.The counter of minute counter 3 comprises a drive pawl 8 pivoted on the free end of this rocker 3 and subjected to the action of a return spring 9, integral with the rocker 3, tending to apply the spout 10 driving ratchet 8 against the teeth in wolf teeth of the chronograph minute counter wheel 1.

A chaque fois, c'est à dire toutes les minutes, que le palpeur 4 tombe de la partie la plus haute H de la came escargot 5 sur la partie la plus basse h de cette came 5 sous l'action d'un ressort de bascule non illustré, le cliquet 8 entraîne par son bec 10 la roue de compteur de minutes de chronographe d'un pas.Each time, ie every minute, that the probe 4 falls from the highest part H of the snail cam 5 on the lowest part h of this cam 5 under the action of a spring of not shown rocker, the pawl 8 by its spout 10 the chronograph minute counter wheel a step.

Dans l'exemple illustré l'axe des secondes de chronographe 6 comporte une butée axiale 13 jouxtant une première portée de grand diamètre 14, une seconde portée 15 de plus petit diamètre que la première 14 sur laquelle est chassée à force la roue de chronographe 11 la rendant ainsi solidaire de l'axe de chronographe 6. Une troisième portée 16, de plus petit diamètre que la seconde 15, sert de pivot de centrage au coeur 12 de remise à zéro. Ce coeur 12 est fixé à l'aide d'une vis 17 sur la roue de chronographe 11. Enfin, l'extrémité opposée de l'axe de chronographe 6 porte l'aiguille des secondes de chronographe 7.In the example shown, the chronograph seconds axis 6 comprises an axial abutment 13 adjoining a first large diameter range 14, a second range 15 of smaller diameter than the first 14 on which the chronograph wheel 11 is forcibly driven. thus making it integral with the chronograph axis 6. A third scope 16, smaller in diameter than the second 15, serves as a centering pin in the heart 12 reset. This core 12 is fixed with a screw 17 on the chronograph wheel 11. Finally, the opposite end of the chronograph axis 6 carries the chronograph second hand 7.

La came escargot 5 du compteur de minutes est montée à frottement gras sur la première portée 14 de l'axe de chronographe 6 et se trouve prise en sandwich entre la butée axiale 13 de l'axe de chronographe 6 et la face inférieure de la roue de chronographe 11.The snail cam 5 of the minute counter is frictionally mounted on the first bearing 14 of the chronograph axis 6 and is sandwiched between the axial stop 13 of the chronograph axis 6 and the underside of the wheel. Chronograph 11.

Cette came escargot 6 comporte une lumière 18 dans laquelle est engrené le doigt 19 d'un excentrique 20 pivoté dans la roue de chronographe 11. En modifiant la position angulaire de cet excentrique 20 on modifie la position angulaire de la came escargot 5 par rapport à l'axe de chronographe 6 ce qui permet d'ajuster le positionnement angulaire de cette came escargot 5 très précisément pour que le bec 4 de la bascule 3 de compteur de minutes instantané de chronographe tombe de la partie haute H de la came escargot 5 sur sa partie basse h exactement au moment où l'aiguille des secondes de chronographe 7 passe à l'origine de la graduation avec laquelle elle coopère, indiquant O respectivement 60 secondes.This snail cam 6 comprises a slot 18 in which is engaged the finger 19 of an eccentric 20 pivoted in the chronograph wheel 11. By modifying the angular position of this eccentric 20, the angular position of the snail cam 5 is modified with respect to the chronograph axis 6 which allows to adjust the angular positioning of this snail cam 5 very precisely so that the spout 4 of the instant chronograph minute counter flip-flop 3 falls from the upper part H of the snail cam 5 on its lower part h exactly when the chronograph second hand 7 passes the origin of the graduation with which it cooperates, indicating O respectively 60 seconds.

Ce réglage fin s'effectue avant le serrage du coeur 12. Une fois le réglage effectué et testé, le coeur 12 est serré sur la roue de chronographe 11 à l'aide de la vis 17, ce faisant le coeur 12 bloque la tête de l'excentrique 20 en l'appliquant fortement contre la roue de chronographe 11, ce qui empêche tout dérèglement du dispositif de réglage. En effet, l'excentrique 20 est positionné de telle façon qu'il soit partiellement situé sous le coeur mais que son organe de manoeuvre, ici une fente 21, soit accessible même lorsque le coeur 12 est mis en place.This fine adjustment is carried out before tightening the core 12. Once the adjustment has been made and tested, the core 12 is tightened on the chronograph wheel 11 with the aid of the screw 17, thereby causing the core 12 to block the head of the wheel. the eccentric 20 by applying it strongly against the chronograph wheel 11, which prevents any disturbance of the adjustment device. Indeed, the eccentric 20 is positioned such that it is partially located under the heart but that its operating member, here a slot 21, is accessible even when the core 12 is put in place.

Ce dispositif de réglage est très simple, il ne comporte que peu de pièces et permet un réglage fin de la position angulaire de la came escargot 5 par rapport à l'axe de chronographe 6. De plus, le réglage peut se faire sans démonter le mécanisme de compteur minutes instantané et son blocage par le coeur 12 interdit tout déréglage intempestif. En effet, comme on le voit sur la figure 2 en court de montage du mécanisme de compteur de minutes instantané de chronographe, soit avant le blocage du coeur 12, l'horloger peut en tournant l'excentrique 20 à l'aide d'un tournevis introduit dans sa fente 21, modifier la position angulaire de la came escargot 5 par rapport à l'axe de chronographe d'un angle α pour que cette came 5 soit positionnée de manière à ce que la chute de la bascule 3 de compteur de minutes instantané de chronographe s'effectue exactement au moment où l'aiguille des secondes 7 portée par l'axe de chronographe 6 passe au zéro de sa graduation. Puis cette position étant trouvée et testée le coeur 12 est serré à l'aide de la vis 17 sur la roue de chronographe bloquant ainsi la tête de l'excentrique 20 qui se trouve partiellement sous le coeur 12.This adjustment device is very simple, it has only few parts and allows a fine adjustment of the angular position of the snail cam 5 relative to the chronograph axis 6. In addition, the adjustment can be done without removing the Instant minute counter mechanism and its blocking by the heart 12 prohibits any inadvertent adjustment. Indeed, as we see on the figure 2 in the short assembly of the chronograph instantaneous minute counter mechanism, ie before the blocking of the core 12, the watchmaker can by turning the eccentric 20 with a screwdriver inserted in its slot 21, modify the angular position of the snail cam 5 with respect to the chronograph axis of an angle α so that this cam 5 is positioned so that the fall of the instant chronograph minute counter flip-flop 3 takes place exactly at the moment when the second hand 7 carried by the chronograph axis 6 passes zero of its graduation. Then this position being found and tested the core 12 is tightened with the screw 17 on the chronograph wheel thus blocking the head of the eccentric 20 which is partially under the core 12.

Ainsi, ce dispositif de réglage du mécanisme de compteur de minutes instantané est simple, facile à monter et à régler et sûre.Thus, this setting device of the instant minute counter mechanism is simple, easy to mount and set and safe.

Ce mécanisme, décrit en relation avec un compteur de minutes instantané de chronographe, peut bien entendu être utilisé dans n'importe quel mécanisme d'entraînement d'un compteur instantané.This mechanism, described in connection with an instant chronograph minute counter, can of course be used in any drive mechanism of an instantaneous counter.

Dans des variantes, il n'est pas nécessaire que la roue de chronographe 11 jouxte la came escargot. Cette roue de chronographe pourrait être par exemple chassée sur l'extrémité inférieure de l'axe 6. Dans ce cas l'excentrique 20 est pivoté sur un support solidaire de l'axe 6.In variants, it is not necessary that the chronograph wheel 11 adjoins the snail cam. This chronograph wheel could be for example driven on the lower end of the axis 6. In this case the eccentric 20 is pivoted on a support secured to the axis 6.

Claims (5)

  1. Device for driving and regulating an instantaneous counter having a snail cam (5) arranged to be driven in rotation by a shaft (6) which supports a hand (7) cooperating with a scale and a wheel (11) for the driving thereof; a counter lever (3) subjected to the action of a return spring, having a lug (4) bearing against the periphery of the snail cam (5) and a ratchet cooperating, under the action of a ratchet spring (9), with the wolf teeth toothing of a counter wheel (1); characterised in that the snail cam (5) is mounted with low friction on a first section (14) of the shaft (6), this snail cam (5) having an aperture (18) receiving a finger (19) of an eccentric (20) arranged to be pivoted on a support fixedly attached to the shaft (6); the whole being arranged so that an angular displacement of the eccentric (20) causes an angular displacement of the snail cam (5) with respect to the shaft (6).
  2. Device as claimed in claim 1, characterised in that the support fixedly attached to the shaft (6) is formed by the driving wheel (11) of the shaft (6) which is pushed onto a second section (15) of this shaft (6) adjoining the first section (14); the snail cam (5) thus being located between this driving wheel (11) and an axial stop (13) of the shaft (6).
  3. Device as claimed in claim 1 or claim 2, characterised in that it also has a heart-piece (12) centred on a third section (16) of the shaft (6) adjoining the second section (15) ofthis shaft (6); this heart-piece (12) partially covering the eccentric (20) and a screw permitting this heart-piece (12) to be tightened against the driving wheel (11) thus immobilising the said eccentric (20).
  4. Device as claimed in any one of claims 1 to 3, characterised in that the instantaneous counter is an instantaneous minute counter of a chronograph, the driving wheel (11) being the chronograph wheel and the counter wheel (1) being the minute counter wheel.
  5. Timepiece having a device for driving and regulating an instantaneous counter as claimed in any one of the preceding claims.
EP20070025163 2007-02-05 2007-12-28 Device for driving and regulating an instantaneous counter Active EP1953612B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1882007A CH702137B1 (en) 2007-02-05 2007-02-05 Device for driving and setting an instantaneous counter and timepiece including such a device.

Publications (3)

Publication Number Publication Date
EP1953612A2 EP1953612A2 (en) 2008-08-06
EP1953612A3 EP1953612A3 (en) 2011-05-18
EP1953612B1 true EP1953612B1 (en) 2012-06-06

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP20070025163 Active EP1953612B1 (en) 2007-02-05 2007-12-28 Device for driving and regulating an instantaneous counter

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EP (1) EP1953612B1 (en)
CH (1) CH702137B1 (en)
HK (1) HK1116264A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110050236A (en) * 2016-11-17 2019-07-23 诺格拉公司 Indication mechanism with zero function of reset

Families Citing this family (11)

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Publication number Priority date Publication date Assignee Title
CH700753B1 (en) * 2009-04-15 2014-03-14 Patek Philippe Sa Geneve Mechanism of instantaneous counter and snail cam for such a mechanism.
EP2565729B1 (en) 2011-08-30 2018-01-31 Breitling AG Calendar mechanism
CH707233A1 (en) * 2012-11-22 2014-05-30 Eterna Ag Uhrenfabrik Minutzenzähler a watch, in particular a chronograph.
US8995238B2 (en) 2013-03-28 2015-03-31 Rolex S.A. Device for displaying time information
US10216146B2 (en) 2017-07-18 2019-02-26 Patek Philippe Sa Geneve Indicator actuating organ for a timepiece
EP3598243B1 (en) 2018-07-19 2022-10-19 Patek Philippe SA Genève Timepiece mechanism with jumping member
EP3598242A1 (en) 2018-07-19 2020-01-22 Patek Philippe SA Genève Cam timepiece mechanism
EP3667435B1 (en) 2018-12-10 2022-06-01 Montres Breguet S.A. System for adjusting the position of a first toothed moving part relative to a support on which the first toothed moving part is pivotably mounted, and timepiece comprising such a system
EP4383015A1 (en) 2022-12-09 2024-06-12 Patek Philippe SA Genève Clock device for transforming a first rotation into a second rotation, at least in part a saccaded
EP4383013A1 (en) 2022-12-09 2024-06-12 Patek Philippe SA Genève Clock device for transforming a first rotation into a second rotation
EP4383014A1 (en) 2022-12-09 2024-06-12 Patek Philippe SA Genève Clock device for transforming a first movement into a second movement

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Publication number Priority date Publication date Assignee Title
CH54709A (en) * 1911-02-13 1912-06-17 Robert Cart Device for actuating a toothed wheel by a swivel lever
JP3539857B2 (en) * 1997-12-25 2004-07-07 セイコーインスツルメンツ株式会社 Intermittent feed mechanism
DE19852347C2 (en) * 1998-11-13 2001-02-08 Lange Uhren Gmbh Minute counter of a clock

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110050236A (en) * 2016-11-17 2019-07-23 诺格拉公司 Indication mechanism with zero function of reset

Also Published As

Publication number Publication date
CH702137B1 (en) 2011-05-13
HK1116264A1 (en) 2008-12-19
EP1953612A3 (en) 2011-05-18
EP1953612A2 (en) 2008-08-06

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