EP2339414B1 - Chronograph with single push button - Google Patents

Chronograph with single push button Download PDF

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Publication number
EP2339414B1
EP2339414B1 EP09180455A EP09180455A EP2339414B1 EP 2339414 B1 EP2339414 B1 EP 2339414B1 EP 09180455 A EP09180455 A EP 09180455A EP 09180455 A EP09180455 A EP 09180455A EP 2339414 B1 EP2339414 B1 EP 2339414B1
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EP
European Patent Office
Prior art keywords
shuttle
chronograph
angular
finger
elastic member
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.)
Active
Application number
EP09180455A
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German (de)
French (fr)
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EP2339414A1 (en
Inventor
Werner Haenzi
Jean-Luc Helfer
Antonio Merino
Patrick Möller
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.)
ETA SA Manufacture Horlogere Suisse
Original Assignee
ETA SA Manufacture Horlogere Suisse
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.)
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Publication date
Application filed by ETA SA Manufacture Horlogere Suisse filed Critical ETA SA Manufacture Horlogere Suisse
Priority to EP09180455A priority Critical patent/EP2339414B1/en
Priority to JP2010284121A priority patent/JP5237354B2/en
Priority to CN2010106203266A priority patent/CN102103361B/en
Priority to US12/976,052 priority patent/US8337075B2/en
Publication of EP2339414A1 publication Critical patent/EP2339414A1/en
Priority to HK11113798.4A priority patent/HK1159263A1/en
Application granted granted Critical
Publication of EP2339414B1 publication Critical patent/EP2339414B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G04F7/0804—Watches or clocks with stop devices, e.g. chronograph with reset mechanisms
    • G04F7/0814—Watches or clocks with stop devices, e.g. chronograph with reset mechanisms with double hammer, i.e. one hammer acts on two counters
    • 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
    • G04F7/0842—Watches or clocks with stop devices, e.g. chronograph with start-stop control mechanisms
    • G04F7/0852—Watches or clocks with stop devices, e.g. chronograph with start-stop control mechanisms with member having a rotational two-way movement, e.g. navette
    • 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
    • G04F7/0842—Watches or clocks with stop devices, e.g. chronograph with start-stop control mechanisms
    • G04F7/0857—Watches or clocks with stop devices, e.g. chronograph with start-stop control mechanisms with single push-button or actuation member for start-stop and reset

Definitions

  • the present invention relates to the field of watchmaking. More specifically, it relates to a single shuttle push chronograph for executing the functions 'start', 'stop' and 'reset' with the same push button.
  • chronographs are already known to those skilled in the art. One of them is described in the document WO 2008/075147 . It is a chronograph comprising a chronograph wheel, clutch means, reset means and a control device of the clutch and reset means.
  • the control device comprises a pivotally mounted shuttle, of which a first angular sector is provided with three notches defining three stable angular positions respectively corresponding to the functions of 'reset', 'start', 'stop', and an elastic member cooperating with said notches for holding the shuttle in one of said positions.
  • the control device further comprises a pusher provided with an articulated finger with two spouts, cooperating with a series of cutouts formed in a second angular sector of the shuttle, so as to pass the shuttle, by successive pressures, the position delivered to zero at the start position, from the start position to the stop position, then from the stop position to the reset position, and so on.
  • the complex shape of the cutouts and the two spouts is studied so that depending on the initial angular position of the shuttle, a first spout causes it to pivot, in one direction or another, while the second spout blocks the movement of pivoting at the end of the race.
  • the two spouts alternately exert the thrust and blocking function when the user exerts successive pressure on the pusher.
  • the complete cycle of three-way operation time of the single-pusher chronograph thus described is performed in three pressures.
  • the present invention offers an alternative to the operating mode of the chronograph described in the documents of the prior art mentioned above, by proposing a single-pusher chronograph performing a complete cycle of operation in two pressures. More specifically, the invention relates to a chronograph defined by claim 1 of the patent. Thanks to the inclined face located between the notches defining the two stable positions of the shuttle, the third position is reached when the pusher is pressed a second time, and the first position is reached when the pusher is released after the second pressure.
  • the chronograph operation cycle is typically a three-cycle cycle, but two pressures are enough to complete it.
  • the single-pusher chronograph represented in figure 1 in the reset position conventionally comprises a chronograph wheel 1, carrying a chronograph seconds hand and a chronograph minute hand not shown, and clutch means 2 of the chronograph train 1, intended to put said gear Chronograph 1 in cinematic link with a finishing gear. It further comprises reset means 3 seconds and minutes hands, and a control device 4 clutch means 2 and reset means 3.
  • the clutch means 2 are formed, in a known manner, of a clutch gear 5 mounted on a clutch rocker 6, which is movable between a 'departure' position, in which the pinion 5 is in contact with the chronograph 1 and finishing workings, and a 'stop' position, in which the pinion 5 is disengaged from the chronograph train.
  • the resetting means 3 conventionally comprise a hammer 7 acting on hearts 8 and 9 in rotation with the seconds and minutes hands.
  • the control device 4 comprises a shuttle 10 pivotally mounted about an axis XX, a jumper 11 cooperating with said shuttle 10 to position it angularly, and a pusher 12 for actuating the shuttle 10 in pivoting. It further comprises a clutch cam 13 and a reset cam 14, pivotally mounted integrally with the shuttle 10, and cooperating respectively with the clutch rocker 6 and the hammer 7 to activate, in a manner that known, the 'start', 'stop' and 'reset' functions of the chronograph, depending on the angular position of the shuttle 10.
  • the shuttle 10 comprises a first angular sector 20 comprising two notches 20a and 20b respectively defining a stable first angular position A corresponding to the 'reset' function and a second stable angular position B corresponding to the 'departure' function. .
  • the jumper 11 cooperates with the notches 20a and 20b to maintain the shuttle 10 in one or other of the stable angular positions A and B.
  • the first angular sector 20 further comprises an inclined face 20c, located between the notches 20a and 20b, defining a third angular position C unstable, corresponding to the 'stop' function of the chronograph.
  • inclined face is meant a non-perpendicular face to the radius at the point considered. The inclination of the face 20c is fixed so that the jumper 11 causes the shuttle 10 to pivot towards the angular position A when it bears on said face 20c.
  • the shuttle 10 comprises a second angular sector 30 comprising cutouts of complex shapes.
  • the angular sector 30 comprises, in the counterclockwise direction, a first L-shaped cutout 31, and then a small recess 32 comprising a substantially radial flank 32a. he then comprises a notch 33, and finally a second cut 34 in the shape of an L.
  • the small setback 32 is more accentuated so as to form a third cutout 35 with an L-shaped profile. We will come back to the profile of this third cutout 35 and its function, with regard to the figure 7 .
  • the small recess 32 is replaced by a notch 36, whose function will be explained in relation to the figure 9 .
  • the pusher 12 is formed of an arm 40, pivotally mounted, provided with a finger 41, mounted free to rotate at its end about an axis YY.
  • the finger 41 is terminated by first and second spouts respectively 42, 43, cooperating with the L-shaped cutouts 31, 34, 35, the notches 33, 36 and the recess 32, to rotate the shuttle 10 or block it in the three angular positions A, B and C.
  • An elastic member 44 mounted on the arm 40, bears on the rear face of the finger 41 to position it substantially radially relative to the axis XX of the shuttle 10.
  • a stop 45 is mounted near the finger 41 so as to limit its amplitude of rotation, as will be described later.
  • the single-push chronograph according to the invention is represented in the 'reset' position in figure 2 .
  • the chronograph wheel 1 is at a standstill, and the chronograph hands point to the indication '0'.
  • the shuttle 10 is positioned in first stable angular position A, by the jumper 11 which cooperates with the notch 20a of the sector angular 20.
  • the pusher 12 is released, the first spout 42 being positioned in the first L-shaped cutout 31.
  • the pusher 12 is depressed under the action of a first pressure of the user.
  • the pusher 12 rotates the shuttle 10 in a clockwise direction, via the first spout 42 which pushes into the angle of the first L-shaped cutout 31.
  • the pivoting of the shuttle 10 combined with that of the 12 and the finger 41, allows the second spout 43 to engage in the notch 33.
  • the second spout 43 blocks the pivoting movement of the shuttle 10, which is then in position angular B corresponding to the 'start' function of the chronograph.
  • the clutch cam 13 acts on the clutch rocker 6 to start the chronograph.
  • the pusher 12 is then released by the user and the shuttle 10 is held in the angular position B by the jumper 11 which cooperates with the notch 20b of the angular sector 20.
  • the chronograph wheel 1 rotates, causing the chronograph hands to rotate.
  • the first spout 42 is no longer positioned in the first L-shaped cutout 31, but that the second spout 43 is now positioned in the vicinity of the second L-shaped cutout 34.
  • the pusher 12 is again pressed under the action of a second pressure of the user.
  • the pusher 12 this time pivoting the shuttle 10 in the counterclockwise direction, through the second spout 43 which pushes into the corner of the second L-shaped cut 34.
  • the shuttle 10 pivots until the finger 41 comes into contact with the abutment 45, the first spout 42 then being engaged in the recess 32.
  • the radial flank 32a of the recess 32 then abuts on the first spout 42 of the finger 41, itself bearing against the stop 45.
  • the pivoting movement of the shuttle is thus stopped in position angular C, corresponding to the 'stop' function of the chronograph.
  • the jumper 11 bears on the face 20c of the angular sector 20 and its action tends to rotate the shuttle 10 beyond the angular position C, to the stable angular position A.
  • the action of the jumper 11 is countered by that of the abutment 45, which opposes the pivoting of the shuttle 10 beyond the angular position C, by Via the finger 41.
  • the clutch cam 13 acts on the clutch rocker 6 to stop the chronograph.
  • the chronograph wheel 1 is stopped, as well as the chronograph hands.
  • the pusher 12 is then released a second time as shown in FIG. figure 6 .
  • the jumper 11 bearing on the face 20c of the angular sector 20, tends to rotate the shuttle 10 in the counterclockwise direction, and the stop 45 no longer opposes this movement, the finger 41 being cleared.
  • the angular position C is then unstable, and the action of the jumper 11 rotates the shuttle 10 to the stable angular position A, in which the jumper 11 cooperates with the notch 20a.
  • the reset cam 14 actuates the hammer 7 which acts on the hearts 8 and 9.
  • the chronograph hands again point to the indication '0'.
  • a cycle of operation of the chronograph is completed. It will be noted that the cycle of operation of the chronograph thus described is a conventional three-stroke cycle, namely 'start', 'stop' and 'reset', carried out in two pressures.
  • FIG 7 represents a second embodiment of the single-pusher chronograph according to the invention in the 'off' position.
  • the third cut 35 replaces the recess 32 and the stop 45 is absent.
  • the second spout 43 is pushed into the corner of the second L-shaped cutout 34, which causes the shuttle 10 to pivot in the counterclockwise direction.
  • This pivoting movement is stopped when the first nozzle 42 engages in the third L-shaped cutout 35 and is housed in the corner of this cut.
  • the first nozzle 42 exerts on the shuttle 10, a moment directed in the clockwise direction, which opposes the moment exerted by the jumper 11 in the counterclockwise direction.
  • the shuttle 10 is then locked in the unstable angular position C, and remains there as long as the user keeps the pusher 12 depressed. It will be noted that a geometric condition must be fulfilled so that the moments respectively of the first spout 42 and the jumper 11 are canceled. If we write P, the point of contact of the first spout 42 with the angle of the third cutout 35, the angle a, formed between the axis XX, the point P and the axis YY, must be less than 180 degrees. . In this condition, the respective moments of the first spout 42 and the jumper 11 are exerted in opposite directions.
  • FIG. figure 8 A third embodiment of the single-pusher chronograph according to the invention is illustrated in FIG. figure 8 , in the 'off' position.
  • the abutment 45 is absent, and the elastic member 44 is dimensioned so as to exert on the finger 41, in angular position C, a moment greater than the moment exerted by the jumper 11, via the 10.
  • the second spout 43 causes, as previously, the shuttle 10 pivoting, until the first spout 42 engages in the recess 32.
  • the shuttle 10 is then in angular position C unstable, and the jumper 11 tends to rotate beyond this position, to the angular position A.
  • this third embodiment of the single-pusher chronograph according to the invention is, moreover, identical to that described with regard to Figures 2 to 6 .
  • the elastic member 44 may also be preformed, rather than sized, to exert on the finger 41, in the angular position C, a moment greater than the moment exerted by the jumper 11.
  • FIG 9 represents a fourth embodiment of the single-pusher chronograph according to the invention in the 'off' position.
  • the notch 36 replaces the recess 32 and the stop 45 is absent.
  • the second spout 43 is pushed into the corner of the second L-shaped cutout 34, which causes the shuttle 10 to pivot in the counterclockwise direction.
  • the pivoting of the shuttle 10 combined with that of the pusher 12 and the finger 41, allows the first spout 42 to engage in the notch 36.
  • this fourth embodiment of the single-pusher chronograph according to the invention is, for the rest, identical to that described with regard to the Figures 2 to 6 .

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Unknown Time Intervals (AREA)

Description

La présente invention se rapporte au domaine de l'horlogerie. Elle concerne plus précisément un chronographe mono-poussoir à navette permettant d'exécuter les fonctions 'départ', 'arrêt' et 'remise à zéro' à l'aide d'un même bouton-poussoir.The present invention relates to the field of watchmaking. More specifically, it relates to a single shuttle push chronograph for executing the functions 'start', 'stop' and 'reset' with the same push button.

De tels chronographes sont déjà connus de l'homme de métier. L'un d'entre eux est décrit dans le document WO 2008/075147 . Il s'agit d'un chronographe comprenant un rouage de chronographe, des moyens d'embrayage, des moyens de remise à zéro et un dispositif de commande des moyens d'embrayage et de remise à zéro. Le dispositif de commande comporte une navette montée pivotante, dont un premier secteur angulaire est muni de trois encoches définissant trois positions angulaires stables correspondant respectivement aux fonctions de 'remise à zéro', 'départ', 'arrêt', et un organe élastique coopérant avec lesdites encoches pour maintenir la navette dans l'une desdites positions. Le dispositif de commande comporte encore un poussoir muni d'un doigt articulé à deux becs, coopérant avec une série de découpes formées dans un deuxième secteur angulaire de la navette, de manière à faire passer la navette, par pressions successives, de la position remise à zéro à la position départ, de la position départ à la position arrêt, puis de la position arrêt à la position remise à zéro, et ainsi de suite. La forme complexe des découpes et des deux becs est étudiée pour qu'en fonction de la position angulaire initiale de la navette, un premier bec l'entraîne en pivotement, dans un sens ou un autre, tandis que le deuxième bec bloque le mouvement de pivotement en fin de course. Les deux becs exercent alternativement la fonction de poussée et de blocage lorsque l'utilisateur exerce des pressions successives sur le poussoir. Le cycle complet de fonctionnement à trois temps du chronographe mono-poussoir ainsi décrit est effectué en trois pressions.Such chronographs are already known to those skilled in the art. One of them is described in the document WO 2008/075147 . It is a chronograph comprising a chronograph wheel, clutch means, reset means and a control device of the clutch and reset means. The control device comprises a pivotally mounted shuttle, of which a first angular sector is provided with three notches defining three stable angular positions respectively corresponding to the functions of 'reset', 'start', 'stop', and an elastic member cooperating with said notches for holding the shuttle in one of said positions. The control device further comprises a pusher provided with an articulated finger with two spouts, cooperating with a series of cutouts formed in a second angular sector of the shuttle, so as to pass the shuttle, by successive pressures, the position delivered to zero at the start position, from the start position to the stop position, then from the stop position to the reset position, and so on. The complex shape of the cutouts and the two spouts is studied so that depending on the initial angular position of the shuttle, a first spout causes it to pivot, in one direction or another, while the second spout blocks the movement of pivoting at the end of the race. The two spouts alternately exert the thrust and blocking function when the user exerts successive pressure on the pusher. The complete cycle of three-way operation time of the single-pusher chronograph thus described is performed in three pressures.

On connait également des documents FR 1 519 610 et WO 2009/098307 des chronographes monopoussoir à navette.We also know documents FR 1 519 610 and WO 2009/098307 monopusher shuttle chronographs.

La présente invention offre une alternative au mode de fonctionnement du chronographe décrit dans les documents de l'art antérieur mentionnés ci-dessus, en proposant un chronographe mono-poussoir effectuant un cycle complet de fonctionnement en deux pressions. Plus précisément, l'invention concerne un chronographe défini par la revendication 1 du brevet. Grâce à la face inclinée située entre les encoches définissant les deux positions stables de la navette, la troisième position est atteinte lorsque le poussoir est pressé une deuxième fois, et la première position est atteinte lorsque le poussoir est relâché après la deuxième pression. Le cycle de fonctionnement du chronographe est donc classiquement un cycle à trois temps, mais deux pressions suffisent à l'effectuer au complet.The present invention offers an alternative to the operating mode of the chronograph described in the documents of the prior art mentioned above, by proposing a single-pusher chronograph performing a complete cycle of operation in two pressures. More specifically, the invention relates to a chronograph defined by claim 1 of the patent. Thanks to the inclined face located between the notches defining the two stable positions of the shuttle, the third position is reached when the pusher is pressed a second time, and the first position is reached when the pusher is released after the second pressure. The chronograph operation cycle is typically a three-cycle cycle, but two pressures are enough to complete it.

D'autres caractéristiques et avantages de la présente invention ressortiront plus clairement de la description détaillée qui suit d'un exemple de réalisation d'un chronographe mono-poussoir 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 représente un chronographe mono-poussoir selon l'invention en première position, le poussoir étant relâché,
  • les figures 2 à 6 illustrent le cycle de fonctionnement d'un chronographe mono-poussoir selon l'invention, et
  • les figures 7 à 9 sont des vues de deux modes de réalisation des moyens de blocage d'un tel chronographe en troisième position instable, le poussoir étant enfoncé.
Other features and advantages of the present invention will emerge more clearly from the detailed description which follows of an exemplary embodiment of a single-pusher chronograph according to the invention, this example being given for purely illustrative and non-limiting purposes only, in conjunction with the accompanying drawing in which:
  • the figure 1 represents a single-pusher chronograph according to the invention in first position, the pusher being released,
  • the Figures 2 to 6 illustrate the operating cycle of a single-pusher chronograph according to the invention, and
  • the Figures 7 to 9 are views of two embodiments of the locking means of such a chronograph third unstable position, the pusher being depressed.

Le chronographe mono-poussoir représenté en figure 1 en position de remise à zéro, comporte classiquement un rouage de chronographe 1, portant une aiguille des secondes de chronographe et une aiguille des minutes de chronographe non représentées, et des moyens d'embrayage 2 du rouage de chronographe 1, destinés à mettre ledit rouage de chronographe 1 en lien cinématique avec un rouage de finissage. Il comporte encore des moyens de remise à zéro 3 des aiguilles des secondes et des minutes, et un dispositif de commande 4 des moyens d'embrayage 2 et des moyens de remise à zéro 3.The single-pusher chronograph represented in figure 1 in the reset position, conventionally comprises a chronograph wheel 1, carrying a chronograph seconds hand and a chronograph minute hand not shown, and clutch means 2 of the chronograph train 1, intended to put said gear Chronograph 1 in cinematic link with a finishing gear. It further comprises reset means 3 seconds and minutes hands, and a control device 4 clutch means 2 and reset means 3.

Les moyens d'embrayage 2 sont formés, de manière connue, d'un pignon d'embrayage 5 monté sur une bascule d'embrayage 6, laquelle est mobile entre une position 'départ', dans laquelle le pignon 5 est en prise avec les rouages de chronographe 1 et de finissage, et une position 'arrêt', dans laquelle le pignon 5 est dégagé du rouage de chronographe. Les moyens de remise à zéro 3 comportent classiquement un marteau 7 agissant sur des coeurs 8 et 9 solidaires en rotation des aiguilles des secondes et des minutes. Ces éléments et leur fonctionnement sont connus de l'homme de métier, et ne seront pas décrits de façon plus approfondie.The clutch means 2 are formed, in a known manner, of a clutch gear 5 mounted on a clutch rocker 6, which is movable between a 'departure' position, in which the pinion 5 is in contact with the chronograph 1 and finishing workings, and a 'stop' position, in which the pinion 5 is disengaged from the chronograph train. The resetting means 3 conventionally comprise a hammer 7 acting on hearts 8 and 9 in rotation with the seconds and minutes hands. These elements and their operation are known to those skilled in the art, and will not be described in more detail.

Le dispositif de commande 4 comprend une navette 10 montée pivotante autour d'un axe XX, un sautoir 11 coopérant avec ladite navette 10 pour la positionner angulairement, et un poussoir 12 destiné à actionner la navette 10 en pivotement. Il comporte, en outre, une came d'embrayage 13 et une came de remise à zéro 14, montées solidaires en pivotement de la navette 10, et coopérant respectivement avec la bascule d'embrayage 6 et le marteau 7 pour activer, de façon bien connue, les fonctions de 'départ', 'arrêt' et 'remise à zéro' du chronographe, en fonction de la position angulaire de la navette 10.The control device 4 comprises a shuttle 10 pivotally mounted about an axis XX, a jumper 11 cooperating with said shuttle 10 to position it angularly, and a pusher 12 for actuating the shuttle 10 in pivoting. It further comprises a clutch cam 13 and a reset cam 14, pivotally mounted integrally with the shuttle 10, and cooperating respectively with the clutch rocker 6 and the hammer 7 to activate, in a manner that known, the 'start', 'stop' and 'reset' functions of the chronograph, depending on the angular position of the shuttle 10.

La navette 10 comporte un premier secteur angulaire 20 comprenant deux encoches 20a et 20b, définissant respectivement une première position angulaire A stable, correspondant à la fonction 'remise à zéro', et une deuxième position angulaire B stable, correspondant à la fonction 'départ'. Le sautoir 11 coopère avec les encoches 20a et 20 b pour maintenir la navette 10 dans l'une ou l'autre des positions angulaires stables A et B. Selon l'invention, le premier secteur angulaire 20 comprend encore une face inclinée 20c, située entre les encoches 20a et 20b, définissant une troisième position angulaire C instable, correspondant à la fonction 'arrêt' du chronographe. Par face inclinée, on entend une face non perpendiculaire au rayon au point considéré. L'inclinaison de la face 20c est fixée de façon à ce que le sautoir 11 entraîne la navette 10 en pivotement vers la position angulaire A lorsqu'il vient en appui sur ladite face 20c.The shuttle 10 comprises a first angular sector 20 comprising two notches 20a and 20b respectively defining a stable first angular position A corresponding to the 'reset' function and a second stable angular position B corresponding to the 'departure' function. . The jumper 11 cooperates with the notches 20a and 20b to maintain the shuttle 10 in one or other of the stable angular positions A and B. According to the invention, the first angular sector 20 further comprises an inclined face 20c, located between the notches 20a and 20b, defining a third angular position C unstable, corresponding to the 'stop' function of the chronograph. By inclined face is meant a non-perpendicular face to the radius at the point considered. The inclination of the face 20c is fixed so that the jumper 11 causes the shuttle 10 to pivot towards the angular position A when it bears on said face 20c.

La navette 10 comporte un deuxième secteur angulaire 30 comprenant des découpes de formes complexes. Dans un premier mode de réalisation représenté en figure 1 à 6, le secteur angulaire 30 comporte, dans le sens antihoraire, une première découpe 31 en forme de L, puis un petit décrochement 32 comprenant un flanc 32a sensiblement radial. Il comporte ensuite une encoche 33, et enfin une deuxième découpe 34 en forme de L. Dans un deuxième mode de réalisation illustré en figure 7, le petit décrochement 32 est plus accentué de manière à former une troisième découpe 35 à profil en L. On reviendra plus longuement sur le profil de cette troisième découpe 35 et sur sa fonction, en regard de la figure 7. Dans un quatrième mode de réalisation représenté en figure 9, le petit décrochement 32 est remplacé par une encoche 36, dont la fonction sera explicitée en regard de la figure 9.The shuttle 10 comprises a second angular sector 30 comprising cutouts of complex shapes. In a first embodiment shown in figure 1 to 6 , the angular sector 30 comprises, in the counterclockwise direction, a first L-shaped cutout 31, and then a small recess 32 comprising a substantially radial flank 32a. he then comprises a notch 33, and finally a second cut 34 in the shape of an L. In a second embodiment illustrated in FIG. figure 7 , the small setback 32 is more accentuated so as to form a third cutout 35 with an L-shaped profile. We will come back to the profile of this third cutout 35 and its function, with regard to the figure 7 . In a fourth embodiment shown in figure 9 , the small recess 32 is replaced by a notch 36, whose function will be explained in relation to the figure 9 .

Le poussoir 12 est formé d'un bras 40, monté pivotant, muni d'un doigt 41, monté libre en rotation à son extrémité autour d'un axe YY. Le doigt 41 est terminé par un premier et un deuxième becs respectivement 42, 43, coopérant avec les découpes en forme de L 31, 34, 35, les encoches 33, 36et le décrochement 32, pour faire pivoter la navette 10 ou la bloquer dans les trois positions angulaires A, B et C. Un organe élastique 44, monté sur le bras 40, vient prendre appui sur la face arrière du doigt 41 pour le positionner sensiblement radialement par rapport à l'axe XX de la navette 10. Enfin, une butée 45 est montée a proximité du doigt 41 de manière à limiter son amplitude de rotation, comme il sera décrit ultérieurement.The pusher 12 is formed of an arm 40, pivotally mounted, provided with a finger 41, mounted free to rotate at its end about an axis YY. The finger 41 is terminated by first and second spouts respectively 42, 43, cooperating with the L-shaped cutouts 31, 34, 35, the notches 33, 36 and the recess 32, to rotate the shuttle 10 or block it in the three angular positions A, B and C. An elastic member 44, mounted on the arm 40, bears on the rear face of the finger 41 to position it substantially radially relative to the axis XX of the shuttle 10. Finally, a stop 45 is mounted near the finger 41 so as to limit its amplitude of rotation, as will be described later.

Le cycle de fonctionnement du chronographe mono-poussoir ainsi décrit est représenté par les figures 2 à 6. Pour en simplifier la lecture, les cames d'embrayage 13 et de remise à zéro 14, ainsi que les moyens d'embrayage 2 et les moyens de remise à zéro 3, ont été volontairement supprimés. La compréhension de l'invention s'en trouve facilitée.The operating cycle of the single-pusher chronograph thus described is represented by the Figures 2 to 6 . To simplify the reading, the clutch 13 and reset cams 14, as well as the clutching means 2 and the resetting means 3, have been voluntarily deleted. The understanding of the invention is facilitated.

Le chronographe mono-poussoir selon l'invention est représenté en position 'remise à zéro' en figure 2. Dans cette position, le rouage de chronographe 1 est à l'arrêt, et les aiguilles de chronographe pointent sur l'indication '0'. La navette 10 est positionnée en première position angulaire A stable, par le sautoir 11 qui coopère avec l'encoche 20a du secteur angulaire 20. Le poussoir 12 est relâché, le premier bec 42 étant positionné dans la première découpe en forme de L 31.The single-push chronograph according to the invention is represented in the 'reset' position in figure 2 . In this position, the chronograph wheel 1 is at a standstill, and the chronograph hands point to the indication '0'. The shuttle 10 is positioned in first stable angular position A, by the jumper 11 which cooperates with the notch 20a of the sector angular 20. The pusher 12 is released, the first spout 42 being positioned in the first L-shaped cutout 31.

En figure 3, le poussoir 12 est enfoncé sous l'action d'une première pression de l'utilisateur. Le poussoir 12 entraîne en pivotement la navette 10 dans le sens horaire, par l'intermédiaire du premier bec 42 qui vient pousser dans l'angle de la première découpe en forme de L 31. Le pivotement de la navette 10, combiné à celui du poussoir 12 et du doigt 41, permet au deuxième bec 43 de s'engager dans l'encoche 33. Une fois totalement inséré dans ladite encoche 33, le deuxième bec 43 bloque le mouvement de pivotement de la navette 10, qui est alors en position angulaire B correspondant à la fonction 'départ' du chronographe. Dans cette position, la came d'embrayage 13 agit sur la bascule d'embrayage 6 pour démarrer le chronographe.In figure 3 , the pusher 12 is depressed under the action of a first pressure of the user. The pusher 12 rotates the shuttle 10 in a clockwise direction, via the first spout 42 which pushes into the angle of the first L-shaped cutout 31. The pivoting of the shuttle 10, combined with that of the 12 and the finger 41, allows the second spout 43 to engage in the notch 33. Once fully inserted into said notch 33, the second spout 43 blocks the pivoting movement of the shuttle 10, which is then in position angular B corresponding to the 'start' function of the chronograph. In this position, the clutch cam 13 acts on the clutch rocker 6 to start the chronograph.

Le poussoir 12 est ensuite relâché par l'utilisateur et la navette 10 est maintenue dans la position angulaire B par le sautoir 11 qui coopère avec l'encoche 20b du secteur angulaire 20. Dans cette position représentée en figure 4, le rouage de chronographe 1 tourne, entraînant en rotation les aiguilles de chronographe. On notera que le premier bec 42 n'est plus positionné dans la première découpe en forme de L 31, mais que le deuxième bec 43 est maintenant positionné au voisinage de la deuxième découpe en forme de L 34.The pusher 12 is then released by the user and the shuttle 10 is held in the angular position B by the jumper 11 which cooperates with the notch 20b of the angular sector 20. In this position shown in FIG. figure 4 , the chronograph wheel 1 rotates, causing the chronograph hands to rotate. It will be noted that the first spout 42 is no longer positioned in the first L-shaped cutout 31, but that the second spout 43 is now positioned in the vicinity of the second L-shaped cutout 34.

En figure 5, le poussoir 12 est à nouveau enfoncé sous l'action d'une deuxième pression de l'utilisateur. Le poussoir 12 entraîne cette fois en pivotement la navette 10 dans le sens antihoraire, par l'intermédiaire du deuxième bec 43 qui vient pousser dans l'angle de la deuxième découpe en forme de L 34. La navette 10 pivote jusqu'à ce que le doigt 41 vienne au contact de la butée 45, le premier bec 42 étant alors engagé dans le décrochement 32. Le flanc radial 32a du décrochement 32 vient alors buter sur le premier bec 42 du doigt 41, lui-même en appui contre la butée 45. Le mouvement de pivotement de la navette est ainsi stoppé en position angulaire C, correspondant à la fonction 'arrêt' du chronographe. Dans cette position, le sautoir 11 vient en appui sur la face 20c du secteur angulaire 20 et son action tend à faire pivoter la navette 10 au-delà de la position angulaire C, jusqu'à la position angulaire A stable. Toutefois, tant que le poussoir 12 est maintenu enfoncé par l'utilisateur, l'action du sautoir 11 est contrée par celle de la butée 45, qui s'oppose au pivotement de la navette 10 au-delà de la position angulaire C, par l'intermédiaire du doigt 41. Dans cette position, la came d'embrayage 13 agit sur la bascule d'embrayage 6 pour arrêter le chronographe. Le rouage de chronographe 1 est stoppé, ainsi que les aiguilles de chronographe.In figure 5 , the pusher 12 is again pressed under the action of a second pressure of the user. The pusher 12 this time pivoting the shuttle 10 in the counterclockwise direction, through the second spout 43 which pushes into the corner of the second L-shaped cut 34. The shuttle 10 pivots until the finger 41 comes into contact with the abutment 45, the first spout 42 then being engaged in the recess 32. The radial flank 32a of the recess 32 then abuts on the first spout 42 of the finger 41, itself bearing against the stop 45. The pivoting movement of the shuttle is thus stopped in position angular C, corresponding to the 'stop' function of the chronograph. In this position, the jumper 11 bears on the face 20c of the angular sector 20 and its action tends to rotate the shuttle 10 beyond the angular position C, to the stable angular position A. However, as long as the pusher 12 is held down by the user, the action of the jumper 11 is countered by that of the abutment 45, which opposes the pivoting of the shuttle 10 beyond the angular position C, by Via the finger 41. In this position, the clutch cam 13 acts on the clutch rocker 6 to stop the chronograph. The chronograph wheel 1 is stopped, as well as the chronograph hands.

Le poussoir 12 est alors relâché une deuxième fois tel que représenté en figure 6. Dans cette position, le sautoir 11, en appui sur la face 20c du secteur angulaire 20, tend à faire pivoter la navette 10 dans le sens antihoraire, et la butée 45 ne s'oppose plus à ce mouvement, le doigt 41 étant dégagé. La position angulaire C est alors instable, et l'action du sautoir 11 fait pivoter la navette 10 jusque dans la position angulaire A stable, dans laquelle le sautoir 11 coopère avec l'encoche 20a. Dans cette position, la came de remise à zéro 14 actionne le marteau 7 qui agit sur les coeurs 8 et 9. Les aiguilles de chronographe pointent à nouveau sur l'indication '0'. Un cycle de fonctionnement du chronographe est terminé. On notera que le cycle de fonctionnement du chronographe ainsi décrit, est un cycle classique à trois temps, à savoir 'départ', 'arrêt' et 'remise à zéro', effectué en deux pressions.The pusher 12 is then released a second time as shown in FIG. figure 6 . In this position, the jumper 11, bearing on the face 20c of the angular sector 20, tends to rotate the shuttle 10 in the counterclockwise direction, and the stop 45 no longer opposes this movement, the finger 41 being cleared. The angular position C is then unstable, and the action of the jumper 11 rotates the shuttle 10 to the stable angular position A, in which the jumper 11 cooperates with the notch 20a. In this position, the reset cam 14 actuates the hammer 7 which acts on the hearts 8 and 9. The chronograph hands again point to the indication '0'. A cycle of operation of the chronograph is completed. It will be noted that the cycle of operation of the chronograph thus described is a conventional three-stroke cycle, namely 'start', 'stop' and 'reset', carried out in two pressures.

On se réfère maintenant à la figure 7 qui représente un deuxième mode de réalisation du chronographe mono-poussoir selon l'invention en position 'arrêt'. Dans ce mode de réalisation, la troisième découpe 35 remplace le décrochement 32 et la butée 45 est absente. Lorsque l'utilisateur presse le poussoir 12 une deuxième fois, le deuxième bec 43 vient pousser dans l'angle de la deuxième découpe en forme de L 34, ce qui entraîne la navette 10 en pivotement dans le sens antihoraire. Ce mouvement de pivotement est stoppé lorsque le premier bec 42 s'engage dans la troisième découpe en forme de L 35 et vient se loger dans l'angle de cette découpe. Dans cette position, le premier bec 42 exerce sur la navette 10, un moment dirigé dans le sens horaire, qui s'oppose au moment exercé par le sautoir 11 dans le sens antihoraire. La navette 10 est alors bloquée dans la position angulaire C instable, et y reste tant que l'utilisateur maintient le poussoir 12 enfoncé. On notera qu'une condition géométrique doit être remplie pour que les moments respectivement du premier bec 42 et du sautoir 11 s'annulent. Si on note P, le point de contact du premier bec 42 avec l'angle de la troisième découpe 35, l'angle a, formé entre l'axe XX, le point P et l'axe YY, doit être inférieur à 180 degrés. A cette condition, les moments respectifs du premier bec 42 et du sautoir 11 s'exercent en sens inverses. Si, au contraire, l'angle α est supérieur à 180 degrés, les deux moments s'exercent dans le sens antihoraire, et la navette 10 n'est pas bloquée en position C. Le fonctionnement de ce deuxième mode de réalisation du chronographe mono-poussoir selon l'invention, est, par ailleurs, identique à celui décrit en regard des figures 2 à 6.We now refer to the figure 7 which represents a second embodiment of the single-pusher chronograph according to the invention in the 'off' position. In this embodiment, the third cut 35 replaces the recess 32 and the stop 45 is absent. When the user presses the pusher 12 a second time, the second spout 43 is pushed into the corner of the second L-shaped cutout 34, which causes the shuttle 10 to pivot in the counterclockwise direction. This pivoting movement is stopped when the first nozzle 42 engages in the third L-shaped cutout 35 and is housed in the corner of this cut. In this position, the first nozzle 42 exerts on the shuttle 10, a moment directed in the clockwise direction, which opposes the moment exerted by the jumper 11 in the counterclockwise direction. The shuttle 10 is then locked in the unstable angular position C, and remains there as long as the user keeps the pusher 12 depressed. It will be noted that a geometric condition must be fulfilled so that the moments respectively of the first spout 42 and the jumper 11 are canceled. If we write P, the point of contact of the first spout 42 with the angle of the third cutout 35, the angle a, formed between the axis XX, the point P and the axis YY, must be less than 180 degrees. . In this condition, the respective moments of the first spout 42 and the jumper 11 are exerted in opposite directions. If, on the contrary, the angle α is greater than 180 degrees, the two moments are exerted in the counterclockwise direction, and the shuttle 10 is not locked in position C. The operation of this second embodiment of the mono chronograph push-button according to the invention is, moreover, identical to that described with regard to Figures 2 to 6 .

Un troisième mode de réalisation du chronographe mono-poussoir selon l'invention est illustré en figure 8, en position 'arrêt'. Dans ce mode de réalisation la butée 45 est absente, et l'organe élastique 44 est dimensionné de manière à exercer sur le doigt 41, en position angulaire C, un moment supérieur au moment exercé par le sautoir 11, par l'intermédiaire de la navette 10. Lorsque l'utilisateur exerce une pression sur le poussoir 12, le deuxième bec 43 entraîne, comme précédemment, la navette 10 en pivotement, jusqu'à ce que le premier bec 42 s'engage dans le décrochement 32. La navette 10 est alors en position angulaire C instable, et le sautoir 11 tend à la faire pivoter au-delà de cette position, jusqu'en position angulaire A. Si la condition susmentionnée est remplie, l'organe élastique 44 s'oppose au mouvement de rotation du doigt 41, qui lui-même s'oppose au mouvement de pivotement de la navette 10. Tant que l'utilisateur maintient sa pression sur le poussoir 12, la navette 10 est ainsi bloquée en position angulaire C. Le fonctionnement de ce troisième mode de réalisation du chronographe mono-poussoir selon l'invention, est, par ailleurs, identique à celui décrit en regard des figures 2 à 6. On notera que l'organe élastique 44 peut être également préformé, plutôt que dimensionné, pour exercer sur le doigt 41, en position angulaire C, un moment supérieur au moment exercé par le sautoir 11.A third embodiment of the single-pusher chronograph according to the invention is illustrated in FIG. figure 8 , in the 'off' position. In this embodiment the abutment 45 is absent, and the elastic member 44 is dimensioned so as to exert on the finger 41, in angular position C, a moment greater than the moment exerted by the jumper 11, via the 10. When the user exerts pressure on the pusher 12, the second spout 43 causes, as previously, the shuttle 10 pivoting, until the first spout 42 engages in the recess 32. The shuttle 10 is then in angular position C unstable, and the jumper 11 tends to rotate beyond this position, to the angular position A. If the aforementioned condition is met, the elastic member 44 opposes the rotational movement the finger 41, which itself opposes the pivoting movement of the shuttle 10. As long as the user maintains his pressure on the pusher 12, the shuttle 10 is thus locked in angular position C. The operation of this third embodiment of the single-pusher chronograph according to the invention is, moreover, identical to that described with regard to Figures 2 to 6 . Note that the elastic member 44 may also be preformed, rather than sized, to exert on the finger 41, in the angular position C, a moment greater than the moment exerted by the jumper 11.

On se réfère enfin à la figure 9 qui représente un quatrième mode de réalisation du chronographe mono-poussoir selon l'invention en position 'arrêt'. Dans ce mode de réalisation, l'encoche 36 remplace le décrochement 32 et la butée 45 est absente. Lorsque l'utilisateur presse le poussoir 12 une deuxième fois, le deuxième bec 43 vient pousser dans l'angle de la deuxième découpe en forme de L 34, ce qui entraîne la navette 10 en pivotement dans le sens antihoraire. Le pivotement de la navette 10, combiné à celui du poussoir 12 et du doigt 41, permet au premier bec 42 de s'engager dans l'encoche 36. Une fois totalement inséré dans cette encoche 36, le premier bec 42 bloque le mouvement de pivotement de la navette 10, qui est alors en position angulaire C instable correspondant à la fonction 'arrêt' du chronographe. Comme précédemment, la navette 10 reste dans cette position C instable tant que l'utilisateur maintient le poussoir 12 enfoncé. Le fonctionnement de ce quatrième mode de réalisation du chronographe mono-poussoir selon l'invention, est, pour le reste, identique à celui décrit en regard des figures 2 à 6.Finally, we refer to the figure 9 which represents a fourth embodiment of the single-pusher chronograph according to the invention in the 'off' position. In this embodiment, the notch 36 replaces the recess 32 and the stop 45 is absent. When the user presses the pusher 12 a second time, the second spout 43 is pushed into the corner of the second L-shaped cutout 34, which causes the shuttle 10 to pivot in the counterclockwise direction. The pivoting of the shuttle 10, combined with that of the pusher 12 and the finger 41, allows the first spout 42 to engage in the notch 36. Once fully inserted in this notch 36, the first spout 42 blocks the movement of pivoting of the shuttle 10, which is then in angular position C unstable corresponding to the 'stop' function of the chronograph. As before, the shuttle 10 remains in this unstable position C as long as the user keeps the pusher 12 pressed. The operation of this fourth embodiment of the single-pusher chronograph according to the invention is, for the rest, identical to that described with regard to the Figures 2 to 6 .

Ainsi a été décrit un chronographe mono-poussoir effectuant un cycle complet en deux pressions. Bien entendu, le chronographe mono-poussoir selon l'invention ne se limite pas au mode de réalisation qui vient d'être décrit et diverses modifications et variantes simples peuvent être envisagées par l'homme du métier sans sortir du cadre de l'invention tel que défini par les revendications annexées.Thus has been described a single-pusher chronograph performing a complete cycle in two pressures. Of course, the single-pusher chronograph according to the invention is not limited to the embodiment which has just been described and various modifications and simple variants can be envisaged by the skilled person without departing from the scope of the invention such as defined by the appended claims.

Claims (8)

  1. Chronograph including a chronograph train (1), means (2) for coupling said train (1) and a device (4) for controlling the coupling means (2), which includes:
    - a shuttle (10) pivotably mounted about an axis (XX), a first angular sector (20) of which is provided with two notches (20a, 20b) defining first and second stable angular positions (A, B), and a second angular sector (30) of which includes cut out portions (31, 32, 33, 34, 35, 36),
    - an elastic member (11) cooperating with said notches (20a, 20b) to keep the shuttle (10) in one of said stable positions (A, B), and
    - a push-piece (12) cooperating with said cut out portions (31, 32, 33, 34, 35, 36) to pivot the shuttle (10), as a result of a first application of pressure, from the first stable position (A) to the second stable position (B), and as a result of a second application of pressure, from the second stable position (B) to a third intermediate angular position (C),
    characterized in that said third intermediate position (C) is unstable and defined on said first angular sector (20) of the shuttle (10) by an inclined surface (20c) located between said notches (20a, 20b), said inclined surface (20c) being arranged such that the action of the elastic member (11) causes the shuttle (10) to pivot from said third position (C) to said first stable position (A) when the push-piece (12) is released, and in that the device (4) for controlling the coupling means (2) further includes means (32a, 35, 36, 41, 45, 44) for locking the shuttle (10) in the third unstable position (C) when the push-piece (12) is pushed in.
  2. Chronograph according to claim 1, characterized in that the push-piece (12) is formed of a pivotably mounted arm (40), provided with a finger (41), mounted to rotate freely on said arm (40) about an axis YY, and ending in first and second beaks (42, 43) arranged to cooperate with said cut out portions (31, 32, 33, 34, 35, 36) to pivot said shuttle (10) or lock said shuttle in said three angular positions (A, B, C).
  3. Chronograph according to claim 2, characterized in that the locking means includes a stop member (45) mounted in proximity to said finger (41) and a recess (32), formed in the second angular sector (30) including a second approximately radial flank (32a), said stop member (45) and the recess (32) being arranged such that said radial flank (32a) abuts against said first beak (42) when the shuttle (10) is in the third unstable position (C), the finger (41) then abutting against said stop member (45).
  4. Chronograph according to claim 2, characterized in that the locking means includes an L-shaped cut out portion (35) arranged such that, when said elastic member (11) acts on said shuttle (10) to pivot said shuttle from the third angular position (C) to the first angular position (A), said first beak (42) cooperates with said L-shaped blanked portion (35) to counter the action of the elastic member (11) and lock the shuttle (10) in said third angular position (C).
  5. Chronograph according to claim 4, characterized in that the angle α formed between the pivoting axis (XX) of said shuttle (10), the point of contact P of said first beak (42) with the corner of said L-shaped cut out portion (35) and the axis (YY) of rotation of said finger (41) is less than 180 degrees.
  6. Chronograph according to claim 2, characterized in that said arm (40) further includes an elastic member (44) acting on said finger (41) and sized so as to exert on said finger (41), in the third angular position (C), a greater moment than the moment exerted by said elastic member (11) via the shuttle (10).
  7. Chronograph according to claim 2, characterized in that said arm (40) further includes an elastic member (44) acting on said finger (41) and preshaped to exert on said finger (41), in the third angular position (C) a greater moment than the moment exerted by said elastic member (11), via the shuttle (10).
  8. Chronograph according to claim 2, characterized in that the locking means includes a notch (36) formed in the second angular sector (30), in which said first beak (42) is inserted when said shuttle (10) is in the third unstable position (C) and said push-piece (12) is pushed in, said notch (36) being arranged to lock the pivoting of the shuttle (10), controlled by the action of the elastic member (11).
EP09180455A 2009-12-22 2009-12-22 Chronograph with single push button Active EP2339414B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP09180455A EP2339414B1 (en) 2009-12-22 2009-12-22 Chronograph with single push button
JP2010284121A JP5237354B2 (en) 2009-12-22 2010-12-21 Single push piece chronograph
CN2010106203266A CN102103361B (en) 2009-12-22 2010-12-22 Chronograph with single push button
US12/976,052 US8337075B2 (en) 2009-12-22 2010-12-22 Single push-piece chronograph
HK11113798.4A HK1159263A1 (en) 2009-12-22 2011-12-21 Single push-piece chronograph

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP09180455A EP2339414B1 (en) 2009-12-22 2009-12-22 Chronograph with single push button

Publications (2)

Publication Number Publication Date
EP2339414A1 EP2339414A1 (en) 2011-06-29
EP2339414B1 true EP2339414B1 (en) 2012-08-01

Family

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Application Number Title Priority Date Filing Date
EP09180455A Active EP2339414B1 (en) 2009-12-22 2009-12-22 Chronograph with single push button

Country Status (5)

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US (1) US8337075B2 (en)
EP (1) EP2339414B1 (en)
JP (1) JP5237354B2 (en)
CN (1) CN102103361B (en)
HK (1) HK1159263A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3059643B1 (en) * 2015-02-23 2017-07-19 Montres Breguet S.A. Chronograph mechanism
EP3731030B1 (en) * 2019-04-24 2021-11-17 Patek Philippe SA Genève Device for controlling a clock movement

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH740A (en) * 1889-03-29 1889-06-29 Domon Ovide Ferdinand Chronograph watch with simplified counter, O. Domon system
CH283491A (en) * 1950-02-22 1952-06-15 D Horlogerie Lemania Lugrin So Control mechanism of a chronograph.
CH309240A (en) * 1950-05-23 1955-08-31 Nicolet Watch S A Timepiece.
FR1519610A (en) * 1966-12-19 1968-04-05 D Horlogerie Lemania Lugrin S Reset mechanism for timepiece measuring time intervals
JPS4938661A (en) * 1972-08-10 1974-04-10
CH500073A4 (en) * 1973-04-06 1976-02-13
CH636493B (en) * 1980-01-21 Ebauches Sa CHRONOGRAPH WATCH.
CH698827B1 (en) * 2006-08-15 2009-11-13 Chopard Manufacture Sa Device reset for a timepiece.
CH705439B1 (en) * 2006-12-18 2013-03-15 Jean Pierre Jaquet An operating mechanism of a chronograph.
CH704304B1 (en) * 2007-12-21 2012-06-29 Frank Mueller Watchland S A chronograph mechanism, watch movement and timepiece including such a mechanism.
CH705056B1 (en) * 2008-02-08 2012-12-14 Manuf La Joux Perret Sa Timepiece including a chronograph mechanism.

Also Published As

Publication number Publication date
EP2339414A1 (en) 2011-06-29
CN102103361B (en) 2013-06-12
JP5237354B2 (en) 2013-07-17
CN102103361A (en) 2011-06-22
US8337075B2 (en) 2012-12-25
JP2011133478A (en) 2011-07-07
HK1159263A1 (en) 2012-07-27
US20110149695A1 (en) 2011-06-23

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