EP1748330B1 - Stem device for winding and setting the time for a watch - Google Patents

Stem device for winding and setting the time for a watch Download PDF

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Publication number
EP1748330B1
EP1748330B1 EP05016139A EP05016139A EP1748330B1 EP 1748330 B1 EP1748330 B1 EP 1748330B1 EP 05016139 A EP05016139 A EP 05016139A EP 05016139 A EP05016139 A EP 05016139A EP 1748330 B1 EP1748330 B1 EP 1748330B1
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EP
European Patent Office
Prior art keywords
stem
pinion
winding
sliding
rod
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
EP05016139A
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German (de)
French (fr)
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EP1748330A1 (en
Inventor
Jan Pittet
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
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Montres Breguet SA filed Critical Montres Breguet SA
Priority to AT05016139T priority Critical patent/ATE431581T1/en
Priority to DE602005014468T priority patent/DE602005014468D1/en
Priority to EP05016139A priority patent/EP1748330B1/en
Priority to JP2006201868A priority patent/JP4996159B2/en
Priority to CN2006101078494A priority patent/CN1904770B/en
Priority to US11/460,020 priority patent/US7563020B2/en
Publication of EP1748330A1 publication Critical patent/EP1748330A1/en
Priority to HK07107727.8A priority patent/HK1103455A1/en
Application granted granted Critical
Publication of EP1748330B1 publication Critical patent/EP1748330B1/en
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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B37/00—Cases
    • G04B37/06—Forming the passage for the winding stem through the case; Divided winding stems
    • G04B37/066—Divided stem (tige brisee)
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B27/00—Mechanical devices for setting the time indicating means
    • G04B27/02—Mechanical devices for setting the time indicating means by making use of the winding means
    • G04B27/04—Mechanical devices for setting the time indicating means by making use of the winding means with clutch wheel
    • 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
    • G04B3/00—Normal winding of clockworks by hand or mechanically; Winding up several mainsprings or driving weights simultaneously
    • G04B3/04—Rigidly-mounted keys, knobs or crowns
    • G04B3/046—Operation by rotation and axial movement with extra function of axial shift of operating element, e.g. crown combined with push button

Definitions

  • the link for securing in translation the two rods requires a mobile frame containing the gear and increasing the size of the device.
  • Axially axial play inevitably existing in this frame cause inaccuracies in the axial positions of the first rod, since the indexing of the axial position is in principle on the second rod.
  • the two rods of the winding and setting device described in the patent document DE 593'654 are also connected in rotation by a gear transmission and secured in translation.
  • the device described in the latter document differs from the previous ones in that it comprises neither sliding pinion nor pull mechanism. Switching to the time setting position is done by pressing the winding crown.
  • the second rod carries a crown wheel which meshes with the time setting mechanism when the rods move in translation in response to the pressure exerted by the user on the winding crown.
  • the object of the invention is to create an improved device with respect to the state of the art, in the sense of greater simplicity and less space.
  • the drawbar device has the advantage of being tested and of low height, and it itself defines the winding and setting positions of the two rods with the springs it contains.
  • this device allows a watchmaker to easily decoupling between the pull tab and the first rod, which allows the assembly and disassembly thereof through the corresponding opening of the watch case as in the case of a broken broken stem.
  • a square section portion 34 of the rod 1 is engaged in a corresponding section of a first pinion hole 35 which is retained axially between the fixed elements 13 and 74.
  • the central hole of the pinion 35 further comprises a section section. circular member which is fitted on a cylindrical portion 36 of the element 13, this portion serving as a bearing for radially supporting the pinion 35 when the rod 1 is removed, for example for the fitting of the movement.
  • an annular groove 37 in which is engaged a pin 39 of the pull tab 40. This can be lowered to release the pin from the groove when a watchmaker wants to remove the rod 1.
  • the pull mechanism 6 comprises, in addition to the pull tab 40 and the rocker 52, a drawbar puller 54 which is fixed and comprises a jumper spring 55 provided with two notches 56 cooperating with a peg 57 of the pull tab.
  • the pivot axis of the pull tab 40 is at 58 and that of the rocker 52 at 59, this rocker being pushed to the right according to the drawing by a spring 60.
  • the second rod 2 could be sliding and secured to the sliding pinion 8.
  • the pinion 44 should then be longer to stay in mesh with the pinion 35 during this sliding.
  • the winding pinion 21 should be held axially so as not to slide with the rod 2, that is to say that the length of the construction would be a little larger than that which appears in the Figures 1 and 2 .

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transmission Devices (AREA)
  • Electric Clocks (AREA)
  • Gears, Cams (AREA)
  • Electromechanical Clocks (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Frying-Pans Or Fryers (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)

Abstract

The device has a stem (1) provided for securing the stem to a manual control crown on an exterior of a watch. Another stem (2) is secured to an axially mobile sliding pinion (8). The stems are connected by a transmission device, where one stem is mounted to be axially mobile between operating positions associated with the functions and another stem has a non-circular transverse cross-section, on which the sliding pinion is engaged with a peripheral groove (51) in which a lever (52) of pull-out mechanism is engaged.

Description

Arrière-plan de l'inventionBackground of the invention

La présente invention concerne un dispositif à tige de remontoir et de mise à l'heure pour une montre, comportant une première tige rotative autour de son axe longitudinal, capable de coulisser axialement au moins entre une position de remontage et une position de mise à l'heure et pourvue de moyens pour sa fixation à une couronne de commande manuelle à l'extérieur de la montre, et une seconde tige rotative, sensiblement parallèle et décalée par rapport à la première et pourvue de moyens pour entraîner en rotation sélectivement un mécanisme de remontage et un mécanisme de mise à l'heure, la première et la seconde tige étant reliées en rotation par une transmission.The present invention relates to a winding stem and time-setting device for a watch, comprising a first rod rotatable about its longitudinal axis, capable of sliding axially at least between a winding position and a setting position. time and provided with means for attaching it to a manual control crown outside the watch, and a second rotary rod, substantially parallel and offset from the first and provided with means for selectively rotating a rotation mechanism. reassembly and a time setting mechanism, the first and the second rod being connected in rotation by a transmission.

L'utilisation de deux tiges mutuellement décalées en hauteur et liées cinématiquement, à la place de l'habituelle tige de remontoir en une seule pièce ou en deux pièces alignées, peut être avantageuse dans une montre mécanique à complications, lorsque les éléments des complications doivent prendre place entre le cadran et le mouvement de base et conduisent donc à placer ce dernier plus bas que le plan médian de la boîte de la montre. La couronne extérieure d'une tige de remontoir habituelle se trouverait alors nettement plus près du fond de la boîte que de la lunette, ce qui serait à la fois malcommode et inesthétique. Le dispositif à deux tiges permet de maintenir la couronne à sa place traditionnelle et commode, à mi-hauteur de la boîte.The use of two rods mutually offset in height and kinematically linked, in place of the usual winding rod in one piece or in two aligned pieces, can be advantageous in a mechanical watch with complications, when the elements of complications must take place between the dial and the base movement and lead to placing the latter lower than the median plane of the watch case. The outer crown of a usual winding stem would then be much closer to the bottom of the box than the bezel, which would be both awkward and unsightly. The device with two rods keeps the crown in its traditional and convenient place, halfway up the box.

Dans les dispositifs connus de ce genre, par exemple ceux décrits dans le brevet CH 691 632 et dans la demande de brevet EP 1 134 628 , les deux tiges sont reliées en rotation par une transmission à engrenage et sont en outre solidarisées en translation, de sorte que la seconde tige suit la première lorsque l'utilisateur tire la couronne de commande. Il en résulte que la seconde tige, à savoir celle qui s'étend à l'intérieur du mouvement, remplit là toutes les fonctions d'une tige classique et doit être équipée des mêmes organes (tirette, pignon coulant, pignon de remontage, etc.) qu'une tige classique. A cause de la place occupée par l'engrenage reliant les deux tiges, le constructeur est obligé de décaler quelque peu ces organes vers l'intérieur du mouvement. En outre, la liaison pour solidariser en translation les deux tiges nécessite un bâti mobile contenant l'engrenage et augmentant l'encombrement du dispositif. Les jeux en direction axiale existant inévitablement dans ce bâti entraînent des imprécisions dans les positions axiales de la première tige, étant donné que l'indexage de la position axiale se fait en principe sur la seconde tige.In the known devices of this kind, for example those described in the patent CH 691 632 and in the patent application EP 1 134 628 , the two rods are connected in rotation by a gear transmission and are further secured in translation, so that the second rod follows the first when the user pulls the control ring. It follows that the second rod, namely that which extends inside the movement, fulfills all the functions of a conventional rod and must be equipped with the same bodies (zipper, sliding pinion, winding pinion, etc. .) a classic stem. Because of the place occupied by the gear connecting the two rods, the manufacturer is obliged to shift some of these organs towards the inside of the movement. In addition, the link for securing in translation the two rods requires a mobile frame containing the gear and increasing the size of the device. Axially axial play inevitably existing in this frame cause inaccuracies in the axial positions of the first rod, since the indexing of the axial position is in principle on the second rod.

Les deux tiges du dispositif de remontage et de mise à l'heure décrit dans le document de brevet DE 593'654 sont également reliées en rotation par une transmission à engrenage et solidarisées en translation. Le dispositif décrit dans ce dernier document diffère des précédents en ce qu'il ne comporte ni pignon coulant, ni mécanisme à tirette. La commutation en position mise à l'heure se fait en pressant sur la couronne de remontoir. Selon ce document, la seconde tige porte une roue à couronne qui vient engrener avec le mécanisme de mise à l'heure lorsque les tiges se déplacent en translation en réaction à la pression exercée par l'utilisateur sur la couronne de remontoir.The two rods of the winding and setting device described in the patent document DE 593'654 are also connected in rotation by a gear transmission and secured in translation. The device described in the latter document differs from the previous ones in that it comprises neither sliding pinion nor pull mechanism. Switching to the time setting position is done by pressing the winding crown. According to this document, the second rod carries a crown wheel which meshes with the time setting mechanism when the rods move in translation in response to the pressure exerted by the user on the winding crown.

Résumé de l'inventionSummary of the invention

L'invention vise à créer un dispositif perfectionné par rapport à l'état de la technique, dans le sens d'une plus grande simplicité et d'un moindre encombrement.The object of the invention is to create an improved device with respect to the state of the art, in the sense of greater simplicity and less space.

Dans ce but, il est prévu un dispositif du genre indiqué en préambule cidessus, caractérisé en ce que ladite seconde tige est solidaire en rotation d'un pignon baladeur, mobile axialement entre deux positions sous l'action d'une bascule dont une extrémité est engagée dans une rainure périphérique du dit pignon baladeur, la bascule faisant partie d'un mécanisme à tirette actionné par le coulissement de ladite première tige entre ses positions respectives de remontage et de mise à l'heure et vice-versa, le pignon baladeur étant en prise avec le mécanisme de remontage dans l'une de ses positions et avec le mécanisme de mise à l'heure dans l'autre position.For this purpose, there is provided a device of the type indicated in the preamble above, characterized in that said second rod is integral in rotation with a sliding pinion, movable axially between two positions under the action of a rocker whose one end is engaged in a peripheral groove of said sliding pinion, the rocker forming part of a pull mechanism actuated by the sliding of said first rod between its respective winding and setting positions and vice versa, the sliding pinion being engaged with the winding mechanism in one of its positions and with the setting mechanism in the other position.

Ainsi, la commutation entre le remontage et la mise à l'heure grâce au déplacement axial de la première tige est effectuée sur la seconde tige au moyen d'un mécanisme à tirette classique, qui évite les inconvénients susmentionnés d'un bâti mobile en translation. Le dispositif à tirette a l'avantage d'être éprouvé et de faible hauteur, et il définit lui-même les positions de remontage et de mise à l'heure des deux tiges grâce aux ressorts qu'il contient. En outre, ce dispositif permet à un horloger d'effectuer aisément un découplage entre la tirette et la première tige, ce qui permet le montage et le démontage de celle-ci à travers l'ouverture correspondante de la boîte de montre comme dans le cas d'une tige brisée classique.Thus, switching between reassembly and time setting by axial displacement of the first rod is performed on the second rod by means of a conventional pull mechanism, which avoids the aforementioned drawbacks of a frame movable in translation . The drawbar device has the advantage of being tested and of low height, and it itself defines the winding and setting positions of the two rods with the springs it contains. In addition, this device allows a watchmaker to easily decoupling between the pull tab and the first rod, which allows the assembly and disassembly thereof through the corresponding opening of the watch case as in the case of a broken broken stem.

Selon un mode de réalisation préféré de l'invention, la seconde tige est non coulissante et comporte un tronçon à section transversale non circulaire, par exemple carrée, sur lequel le pignon baladeur est engagé de manière coulissante, ledit pignon ayant une rainure périphérique dans laquelle est engagée une extrémité d'une bascule du mécanisme à tirette. Il en résulte une construction très compacte, avec des paliers simplifiés.According to a preferred embodiment of the invention, the second rod is non-sliding and comprises a section of non-circular cross section, for example square, on which the sliding pinion is slidably engaged, said pinion having a peripheral groove in which is engaged one end of a rocker pull mechanism. This results in a very compact construction, with simplified bearings.

Description sommaire des dessinsBrief description of the drawings

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

  • la figure 1 est une vue en coupe longitudinale du dispositif selon l'invention, dans la position de remontage,
  • la figure 2 représente le dispositif de la figure 1 dans la position de mise à l'heure, et
  • la figure 3 est une vue en plan d'un mécanisme à tirette faisant partie du dispositif de la figure 1.
Other features and advantages of the present invention will emerge from the following description, which shows a preferred embodiment by way of non-limiting example with reference to the accompanying drawings, in which:
  • the figure 1 is a longitudinal sectional view of the device according to the invention, in the winding position,
  • the figure 2 represents the device of the figure 1 in the time setting position, and
  • the figure 3 is a plan view of a pull mechanism as part of the device of the figure 1 .

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

Le dispositif représenté dans les dessins comprend deux tiges de remontoir et de mise à l'heure, à savoir une première tige 1 et une seconde tige 2, dont les axes de rotation respectifs 3 et 4 sont parallèles, mais décalés mutuellement en hauteur, dans une direction perpendiculaire ou oblique par rapport au plan général du mouvement de la montre. Ces tiges sont reliées par deux liaisons cinématiques, à savoir une transmission à engrenage 5, qui est en prise permanente et transmet la rotation d'une tige à l'autre, et un mécanisme à tirette 6 représenté à la figure 3, qui transmet des mouvements axiaux de la première tige 1 à un pignon baladeur 8 monté de manière coulissante sur une section carrée 9 de la seconde tige 2, dont il est solidaire en rotation grâce à son orifice central carré. Dans le mode de réalisation représenté ici, la tige 2 n'est pas coulissante, c'est-à-dire que sa position axiale est fixe.The device shown in the drawings comprises two winding and setting rods, namely a first rod 1 and a second rod 2, whose respective axes of rotation 3 and 4 are parallel, but mutually offset in height, in a direction perpendicular or oblique to the general plane of the movement of the watch. These rods are connected by two kinematic links, namely a gear transmission 5, which is in permanent engagement and transmits rotation from one rod to the other, and a pull mechanism 6 shown in FIG. figure 3 , which transmits axial movements of the first rod 1 to a sliding pinion 8 slidably mounted on a square section 9 of the second rod 2, which it is integral in rotation through its square central opening. In the embodiment shown here, the rod 2 is not sliding, that is to say that its axial position is fixed.

L'ensemble du dispositif est supporté, à partir d'une platine du mouvement de la montre, par des éléments fixes ou ponts 10, 11, 12. 13 ,14 et 15. Sur ces éléments fixes sont montés également un mécanisme de remontage 20, dont on voit dans les dessins un pignon de remontoir 21 et un renvoi 22, et un mécanisme de mise à l'heure 24, dont on voit dans les dessins un renvoi de minuterie 25 qui tourne sur un tenon 26.The entire device is supported, from a platen of the movement of the watch, by fixed elements or bridges 10, 11, 12, 13, 14 and 15. On these fixed elements are also mounted a winding mechanism 20 , which is shown in the drawings a winding pinion 21 and a return 22, and a time setting mechanism 24, which is shown in the drawings a timer reference 25 which rotates on a post 26.

La première tige 1 comporte une première partie cylindrique 30 et une seconde partie cylindrique 31, de diamètre plus petit que celui de la première, et celles-ci sont montées de manière coulissante dans des alésages des éléments fixes 14 et 13 servant de paliers, de sorte que la tige 1 peut coulisser entre la position de remontage représentée à la figure 1 et la position de mise à l'heure représentée à la figure 2. Dans d'autres modes de réalisation, une troisième position de la tige 1 pourrait être prévue, par exemple pour la mise à la date. Comme une tige de remontoir classique, la tige 1 comporte une extrémité filetée 32 destinée à traverser la carrure de la boîte de montre et à porter une couronne manuelle de commande à l'extérieur de cette boîte.The first rod 1 comprises a first cylindrical portion 30 and a second cylindrical portion 31, whose diameter is smaller than that of the first, and these are slidably mounted in bores of the fixed elements 14 and 13 serving as bearings, so that the rod 1 can slide between the winding position shown in FIG. figure 1 and the time setting position shown in the figure 2 . In other embodiments, a third position of the rod 1 could be provided, for example for setting the date. Like a conventional winding stem, the rod 1 has a threaded end 32 intended to pass through the middle of the watch case and to carry a manual control ring outside this box.

Une partie à section carrée 34 de la tige 1 est engagée dans un orifice de section correspondante d'un premier pignon 35 qui est retenu axialement entre les éléments fixes 13 et 74. L'orifice central du pignon 35 comporte en outre un tronçon à section circulaire qui est emboîté sur une partie cylindrique 36 de l'élément 13, cette partie servant de palier pour supporter radialement le pignon 35 lorsque la tige 1 est enlevée, par exemple pour l'emboîtage du mouvement. Dans la partie cylindrique 30 de la tige 1, il est prévu une rainure annulaire 37 dans laquelle est engagé un tenon 39 de la tirette 40. Celle-ci peut être abaissée pour dégager ce tenon de la rainure lorsqu'un horloger veut retirer la tige 1.A square section portion 34 of the rod 1 is engaged in a corresponding section of a first pinion hole 35 which is retained axially between the fixed elements 13 and 74. The central hole of the pinion 35 further comprises a section section. circular member which is fitted on a cylindrical portion 36 of the element 13, this portion serving as a bearing for radially supporting the pinion 35 when the rod 1 is removed, for example for the fitting of the movement. In the cylindrical portion 30 of the rod 1, there is provided an annular groove 37 in which is engaged a pin 39 of the pull tab 40. This can be lowered to release the pin from the groove when a watchmaker wants to remove the rod 1.

Les deux extrémités de la tige 2 sont pourvues de pivots cylindriques. Une pierre 42 montée dans l'élément 15 et un alésage 43 de l'élément 11 forment des paliers de rotation qui supportent la tige 2 et la maintiennent axialement. Sur cette tige est fixé un pignon 44 qui s'engrène en permanence sur le pignon 35 et constitue ainsi le dernier pignon de la transmission à engrenage. Le cas échéant, cette transmission pourrait comprendre un pignon intermédiaire entre les pignons 35 et 44 afin que les deux tiges 1 et 2 tournent dans le même sens, selon le principe faisant l'objet de la demande de brevet EP 1 134 628 cité plus haut, mais ce pignon supplémentaire n'est généralement pas nécessaire avec le dispositif selon la présente invention. Par ailleurs on notera que le dispositif décrit ici ne nécessite pas de palier sur la boîte de montre.Both ends of the rod 2 are provided with cylindrical pivots. A stone 42 mounted in the element 15 and a bore 43 of the element 11 form rotational bearings which support the rod 2 and maintain it axially. On this rod is fixed a pinion 44 which meshes permanently on the pinion 35 and thus constitutes the last gear of the gear transmission. If necessary, this transmission could include an intermediate gear between the pinions 35 and 44 so that the two rods 1 and 2 turn in the same direction, according to the principle that is the subject of the patent application. EP 1 134 628 mentioned above, but this additional pinion is generally not necessary with the device according to the present invention. Moreover, it will be noted that the device described here does not require any bearing on the watch case.

Le pignon 44 est flanqué du pignon de remontoir 21 qui peut s'appuyer axialement contre lui et qui est monté fou sur une portée cylindrique 46 de la tige 2. Le pignon 21 est de construction classique, comportant une denture de chant 47 de type Breguet, capable de coopérer avec une denture de chant correspondante 48 du pignon baladeur 8, et une denture droite 49 engrenée en permanence avec le renvoi 22. L'autre extrémité du pignon baladeur 8 est pourvue d'une denture de chant 50 qui s'engrène sur le renvoi de minuterie 25 dans la position de mise à l'heure représentée à la figure 2. Le pignon baladeur 8 a en outre une rainure périphérique 51 dans laquelle est engagée une bascule 52 du mécanisme à tirette 6.The pinion 44 is flanked by the winding pinion 21 which can bear axially against it and which is mounted loosely on a cylindrical surface 46 of the rod 2. The pinion 21 is of conventional construction, having a Breguet-type edge toothing 47 , capable of cooperating with a corresponding edge toothing 48 of the sliding pinion 8, and a right toothing 49 permanently engaged with the gearbox 22. The other end of the sliding pinion 8 is provided with a serration gear 50 which meshes on the timer return 25 in the time setting position shown in FIG. figure 2 . The sliding pinion 8 further has a peripheral groove 51 in which is engaged a rocker 52 of the pull mechanism 6.

Dans la figure 3, on voit que le mécanisme à tirette 6 comporte, outre la tirette 40 et la bascule 52, un sautoir de tirette 54 qui est fixe et comprend un ressort sautoir 55 pourvu de deux crans 56 coopérant avec une cheville 57 de la tirette. L'axe de pivotement de la tirette 40 se trouve en 58 et celui de la bascule 52 en 59, cette bascule étant repoussée vers la droite selon le dessin par un ressort 60.In the figure 3 it can be seen that the pull mechanism 6 comprises, in addition to the pull tab 40 and the rocker 52, a drawbar puller 54 which is fixed and comprises a jumper spring 55 provided with two notches 56 cooperating with a peg 57 of the pull tab. The pivot axis of the pull tab 40 is at 58 and that of the rocker 52 at 59, this rocker being pushed to the right according to the drawing by a spring 60.

Le dispositif fonctionne de la manière suivante. Dans la position de remontage illustrée par la figure 1, la première tige 1 est en position rentrée, de sorte que la couronne qu'elle porte se trouve contre la boîte de la montre. La tirette 40 est maintenue par le ressort sautoir 55 dans la position représentée à la figure 3 et elle maintient ainsi la première tige 1 au moyen de son tenon 39. La bascule 52, poussée par le ressort 60, maintient le pignon baladeur 8 engagé sur le pignon de remontoir 21. Ainsi, lorsque l'utilisateur fait tourner la première tige 1, celle-ci entraîne en rotation le premier pignon 35, le second pignon 44, la seconde tige 2, le pignon baladeur 8, le pignon de remontoir 21 et le mécanisme de remontage 20.The device operates as follows. In the winding position illustrated by the figure 1 , the first rod 1 is in the retracted position, so that the crown it carries is against the watch case. The pull tab 40 is held by the jumper spring 55 in the position shown in FIG. figure 3 and thus maintains the first rod 1 by means of its pin 39. The rocker 52, pushed by the spring 60, holds the sliding pinion 8 engaged on the winding pinion 21. Thus, when the user rotates the first rod 1 , this one leads in rotating the first pinion 35, the second pinion 44, the second pin 2, the sliding pinion 8, the winding pinion 21 and the winding mechanism 20.

Lorsque l'utilisateur met la première tige 1 dans sa position tirée représentée à la figure 2, la tirette 40, entraînée au moyen de son tenon 39, pivote de telle sorte que son extrémité arrondie 62 pousse la bascule 52 et fait ainsi coulisser le pignon baladeur 8, lequel se dégage du pignon de remontoir 21 et s'engage sur le renvoi de minuterie 25. Ainsi, quand l'utilisateur fait tourner la couronne fixée à la première tige, il fait tourner dans le sens correspondant le mécanisme de mise à l'heure 24. Les manoeuvres à effectuer sur la première tige 1 sont donc exactement les mêmes que sur une tige de remontoir unique.When the user puts the first rod 1 in its drawn position shown in FIG. figure 2 , the pull tab 40, driven by means of its pin 39, pivots so that its rounded end 62 pushes the rocker 52 and thus slides the sliding pinion 8, which disengages from the winding pinion 21 and engages on the return 25. Thus, when the user rotates the crown fixed to the first rod, it rotates in the corresponding direction the time setting mechanism 24. The maneuvers to be performed on the first rod 1 are therefore exactly the same. same as on a single winding stem.

Selon une variante non représentée, la seconde tige 2 pourrait être coulissante et solidaire du pignon baladeur 8. Le pignon 44 devrait alors être plus long afin de rester engrené avec le pignon 35 pendant ce coulissement. En outre, le pignon de remontoir 21 devrait être maintenu axialement pour ne pas coulisser avec la tige 2, c'est-à-dire que la longueur de la construction serait un peu plus grande que celle qui apparaît dans les figures 1 et 2.According to a variant not shown, the second rod 2 could be sliding and secured to the sliding pinion 8. The pinion 44 should then be longer to stay in mesh with the pinion 35 during this sliding. In addition, the winding pinion 21 should be held axially so as not to slide with the rod 2, that is to say that the length of the construction would be a little larger than that which appears in the Figures 1 and 2 .

Claims (9)

  1. Winding and setting stem device for a watch, including a first stem (1) rotating about its longitudinal axis, mounted to be axially mobile at least between a winding position and a hand-setting position and provided with means (32) for securing it to a manual control crown on the exterior of the watch, and a second stem (2), substantially parallel and shifted in relation to said first stem and provided with means for selectively driving in rotation a winding mechanism (20) and a hand-setting mechanism (24), the first and second stems being connected in rotation by a transmission device (5),
    characterized in that said second stem (2) is secured rotation-wise to a sliding pinion (8) arranged to be actuated by a lever (52), one end of which is engaged in a peripheral groove (51) of the sliding pinion, in order to move axially between two positions, the lever (52) being part of a pull-out mechanism (6) which is activated by the first stem sliding from its winding position to its hand-setting position and vice versa, the sliding pinion (8) being meshed with the winding mechanism in one of its positions and with the hand-setting mechanism in the other position.
  2. Device according to claim 1, characterized in that the second stem (2) does not slide and includes a section (9) having a non-circular transverse section, on which the sliding pinion (8) is slidably engaged.
  3. Device according to claim 2, characterized in that said non-circular cross-section is square.
  4. Device according to claim 1, characterized in that the second stem (2) is supported at both ends by fixed elements (11, 15) of the watch movement.
  5. Device according to claim 2, characterized in that said transmission device has a gear and includes a first pinion (35), having a central hole of non-circular cross-section slidably engaged on a non-circular section of the first stem, and a last pinion (44) fixed to the second stem and permanently meshed with the first pinion.
  6. Device according to claim 5, characterized in that said first pinion (35) is held stationary in the axial direction by fixed elements (13, 14) which support the first stem.
  7. Device according to claim 6, characterized in that the first pinion (35) is supported by at least one (13) of said fixed elements by means of a bearing.
  8. Device according to claim 5, characterized in that said last pinion (44) is flanked by a winding pinion (21) freely mounted on the second stem and arranged for cooperating with a contrate toothing (48) of the sliding pinion (8).
  9. Device according to claim 1, characterized in that the second stem slides and is secured to the sliding pinion.
EP05016139A 2005-07-26 2005-07-26 Stem device for winding and setting the time for a watch Active EP1748330B1 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
AT05016139T ATE431581T1 (en) 2005-07-26 2005-07-26 DEVICE WITH SPINDLE FOR WINDING AND TIME SETTING CLOCKS
DE602005014468T DE602005014468D1 (en) 2005-07-26 2005-07-26 Device with spindle for mounting and timing of watches
EP05016139A EP1748330B1 (en) 2005-07-26 2005-07-26 Stem device for winding and setting the time for a watch
JP2006201868A JP4996159B2 (en) 2005-07-26 2006-07-25 Control stem device for watches
CN2006101078494A CN1904770B (en) 2005-07-26 2006-07-26 Control stem device for a watch
US11/460,020 US7563020B2 (en) 2005-07-26 2006-07-26 Control stem device for a watch
HK07107727.8A HK1103455A1 (en) 2005-07-26 2007-07-18 Control stem device for a watch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05016139A EP1748330B1 (en) 2005-07-26 2005-07-26 Stem device for winding and setting the time for a watch

Publications (2)

Publication Number Publication Date
EP1748330A1 EP1748330A1 (en) 2007-01-31
EP1748330B1 true EP1748330B1 (en) 2009-05-13

Family

ID=36370862

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05016139A Active EP1748330B1 (en) 2005-07-26 2005-07-26 Stem device for winding and setting the time for a watch

Country Status (7)

Country Link
US (1) US7563020B2 (en)
EP (1) EP1748330B1 (en)
JP (1) JP4996159B2 (en)
CN (1) CN1904770B (en)
AT (1) ATE431581T1 (en)
DE (1) DE602005014468D1 (en)
HK (1) HK1103455A1 (en)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
EP2600214A1 (en) 2011-12-01 2013-06-05 Agenhor SA Transmission mechanism between two portions of a control rod for a clock movement

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EP1978419B1 (en) * 2007-04-04 2010-07-21 ETA SA Manufacture Horlogère Suisse Winding device comprising a unidirectional coupling
ATE487962T1 (en) * 2007-04-04 2010-11-15 Eta Sa Mft Horlogere Suisse GEAR FOR A CLOCK MOVEMENT AND DEVICE FOR CORRECTING A DISPLAY MECHANISM FOR A WATCH HAVING SUCH A GEAR
EP2124112A1 (en) * 2008-05-22 2009-11-25 CT Time S.A. Timepiece mechanism and module comprising such a mechanism
ATE539388T1 (en) * 2009-07-16 2012-01-15 Rolex Sa CLOCK
EP2365407B1 (en) * 2010-03-08 2017-06-28 Montres Breguet SA Device for actuating the winding-up and the time setting of a clockwork
CN102305991B (en) * 2010-08-20 2013-11-20 天津海鸥表业集团有限公司 Control device capable of adjusting position of handle shaft
CN103425036B (en) * 2012-05-25 2016-08-10 天津海鸥表业集团有限公司 A kind of status switching mechanism of stem-winder
CH708356A1 (en) * 2013-07-17 2015-01-30 Société Anonyme De La Manufacture D Horlogerie Audemars Piguet & Cie Control device for a timepiece.
EP3396469A1 (en) * 2017-04-28 2018-10-31 Montres Jaquet Droz SA Offset timepiece control mechanism
EP3805869A1 (en) * 2019-10-09 2021-04-14 Meco S.A. Threaded crown
EP3825778B1 (en) 2019-11-21 2023-07-12 The Swatch Group Research and Development Ltd Control crown for a timepiece
EP3893063B1 (en) * 2020-04-06 2022-08-17 ETA SA Manufacture Horlogère Suisse Device for controlling functions of a watch

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US1951010A (en) * 1932-06-07 1934-03-13 Wittnauer Co Inc A Airplane clock-setting mechanism
DE593654C (en) * 1933-07-23 1934-03-06 Wilhelm Koehler Winding device for remontoir watches
JPS5011865A (en) * 1973-05-29 1975-02-06
JPS5044865A (en) * 1973-08-24 1975-04-22
CH649674GA3 (en) * 1982-11-09 1985-06-14
JPH10319141A (en) * 1997-05-16 1998-12-04 Seiko Instr Inc Clock with display wheel
DE19725884B4 (en) 1997-06-18 2010-04-29 Chopard International S.A. Clock with two-piece winding and control shaft
DE60038282T2 (en) 2000-03-17 2009-03-12 Dubois & Depraz S.A. Transmission mechanism for rotary motion and axial movement between two staggered axes
JP4343722B2 (en) * 2004-01-29 2009-10-14 セイコーインスツル株式会社 Winding stem structure and watch having the same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2600214A1 (en) 2011-12-01 2013-06-05 Agenhor SA Transmission mechanism between two portions of a control rod for a clock movement
WO2013079689A1 (en) 2011-12-01 2013-06-06 Agenhor Sa Mechanism for transmission between two portions of a control rod for a clock movement

Also Published As

Publication number Publication date
CN1904770B (en) 2010-06-09
CN1904770A (en) 2007-01-31
EP1748330A1 (en) 2007-01-31
US7563020B2 (en) 2009-07-21
DE602005014468D1 (en) 2009-06-25
JP4996159B2 (en) 2012-08-08
US20070025191A1 (en) 2007-02-01
HK1103455A1 (en) 2007-12-21
JP2007033446A (en) 2007-02-08
ATE431581T1 (en) 2009-05-15

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