EP3306421B1 - Watch comprising a transmission device between a controller and the movement - Google Patents

Watch comprising a transmission device between a controller and the movement Download PDF

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Publication number
EP3306421B1
EP3306421B1 EP16192427.9A EP16192427A EP3306421B1 EP 3306421 B1 EP3306421 B1 EP 3306421B1 EP 16192427 A EP16192427 A EP 16192427A EP 3306421 B1 EP3306421 B1 EP 3306421B1
Authority
EP
European Patent Office
Prior art keywords
watch
control member
actuator
cavity
watch according
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
EP16192427.9A
Other languages
German (de)
French (fr)
Other versions
EP3306421A1 (en
Inventor
Pierry Vuille
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.)
Swatch Group Research and Development SA
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Swatch Group Research and Development 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 Swatch Group Research and Development SA filed Critical Swatch Group Research and Development SA
Priority to EP16192427.9A priority Critical patent/EP3306421B1/en
Priority to JP2017187429A priority patent/JP6457606B2/en
Priority to CN201710905819.6A priority patent/CN107918270B/en
Priority to US15/723,535 priority patent/US10120340B2/en
Publication of EP3306421A1 publication Critical patent/EP3306421A1/en
Priority to HK18111785.6A priority patent/HK1252477A1/en
Application granted granted Critical
Publication of EP3306421B1 publication Critical patent/EP3306421B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B3/00—Normal winding of clockworks by hand or mechanically; Winding up several mainsprings or driving weights simultaneously
    • 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
    • G04B37/08—Hermetic sealing of openings, joints, passages or slits
    • G04B37/10—Hermetic sealing of openings, joints, passages or slits of winding stems
    • G04B37/106—Hermetic sealing of openings, joints, passages or slits of winding stems of push buttons
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F7/00—Apparatus for measuring unknown time intervals by non-electric means
    • G04F7/04—Apparatus for measuring unknown time intervals by non-electric means using a mechanical oscillator
    • G04F7/08—Watches or clocks with stop devices, e.g. chronograph
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B3/00—Normal winding of clockworks by hand or mechanically; Winding up several mainsprings or driving weights simultaneously
    • G04B3/008—Winding up several mainsprings or driving weights simultaneously
    • 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
    • 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
    • G04B3/048—Operation exclusively by axial movement of a push-button, e.g. for chronographs
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/001—Electromechanical switches for setting or display
    • G04C3/005—Multiple switches
    • 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
    • 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
    • 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
    • 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
    • G04F7/0861—Watches or clocks with stop devices, e.g. chronograph with start-stop control mechanisms actuated by other than push-buttons, e.g. bezel or lever

Definitions

  • the present invention relates to the field of watchmaking. It relates to a watch which comprises a movement and which has a transmission device between an external control member and a movement mechanism.
  • the movement mechanisms are placed opposite the push-pieces which actuate them so that the architecture of the movements and the arrangement of the external control members are directly linked.
  • the difficulty of designing a movement and adding additional functions to it is the cause of certain similarities in the very many horological achievements.
  • the push buttons actuating a chronograph are for example very often located at two and four o'clock, on either side of the control rod.
  • the control pushers are not located opposite the mechanisms that they actuate in the movement, an example of which can be found in the application. EP1553468 .
  • This watch has a complex transmission system made up of rods and rockers mounted between the movement and the caseband which makes it possible to position the two pushbuttons operating the chronograph on the side opposite the control rod while maintaining a conventional movement.
  • this type of mechanism has several drawbacks: it is complex to design, expensive to manufacture, bulky, heavy and the additional friction it causes increases the force required for actuating the control push buttons.
  • the object of the present invention is to remedy the aforementioned drawbacks of the prior art by proposing a new type of control device for watches as well as to offer new aesthetic and technical possibilities to designers of watches and movements.
  • the invention relates to a watch comprising a case having a middle part in which a movement is housed.
  • the watch also comprises a control member intended to be actuated by a user as well as an internal transmission device provided with an actuator capable of moving, in response to the actuation of the control member, between a position of. rest and an active position in which it activates a mechanism of movement.
  • the transmission device comprises a closed cavity filled with a fluid and a thrust means kinematically linked to the control member and arranged to move the fluid in the cavity, the movement of the fluid in the cavity causing the displacement. of the actuator.
  • Such a construction has the advantage of decorrelating the position of the control member from that of the mechanism which it actuates in the movement. This makes it possible to place the controls at the desired locations on the box according to uniquely aesthetic and ergonomic criteria, but also to design movements without being constrained by these same criteria.
  • the figure 1 represents a first embodiment of a watch according to the invention of which only the details useful for understanding the technical problem appear.
  • This watch comprises a case, the caseband 1 of which is shown in section as well as a movement 2 located in the center of the caseband 1.
  • a control member intended to be actuated by a user appears in the form of a push button 3 s'. extending outside the middle part 1.
  • An internal transmission device is housed in the middle part 1.
  • This device comprises a closed cavity filled with an incompressible fluid.
  • the cavity comprises a hose 4, a first end of which opens into a control piston chamber 5 and the second end of which opens into an actuator piston chamber 6.
  • the transmission device further comprises a thrust means capable of moving the valve. fluid in the cavity.
  • the thrust means is a control piston 7 kinematically connected to the pusher 3 and opening into the cavity at the level of the control piston chamber 5.
  • the actuation of the pusher 3 causes the displacement of the piston.
  • the transmission device further comprises an actuator arranged inside the middle part facing a movement mechanism 8 which it is intended to activate by moving from a rest position to an active position.
  • the actuator has an actuator piston 9 opening into the actuator piston chamber 6 and arranged to move and actuate the mechanism under the effect of the pressure of the fluid.
  • the hose 4 is housed for example in a groove 10 made in the internal face of the middle part 1.
  • the transmission device is reversible, that is to say that a return force exerted by the mechanism 8 on the actuator, tending to bring it back to its rest position, causes movement of the actuator piston 9, the fluid recedes into the cavity and pushes the control piston 7 as well as the pusher 3 into their original position once the latter has been released.
  • the transmission device can also include an additional return means, independently of the mechanism of the movement. This return means may take the form of a spring acting, for example, at the level of the control member or of the actuator.
  • the hose 4 connecting the chamber of the control piston 5 to that 6 of the actuator can be formed directly in the middle part 1 either by means of machining or engraving or selective engraving such as that described in the patent application EP No 2795410 incorporated here by reference, either by a three-dimensional printing technique or by the assembly of two parts machined separately and forming a duct when assembled.
  • the manufacturing process by three-dimensional printing makes it possible to produce, in the mass of the middle part 1, a complex network of pipes and housings intended to receive the actuators and the control members.
  • the cavity is at least partially made in the mass of the middle part 1. This offers great ease and very many possibilities of arrangement where the solution provided by the prior art was not very flexible.
  • the transmission of force by a fluid can take place almost without friction and without the need for lubrication.
  • the transmission device comprises a transmission 11 filled with an incompressible fluid.
  • This module forms a closed cavity composed of a hose 4 connecting two deformable parts 13.
  • the deformable parts are bellows, in the figure 4 these are pockets able to turn around like a sock.
  • the walls of the deformable parts 13 are made of a flexible material such as for example silicone. The deformation of the deformable parts 13 is reversible and can be obtained either by the displacement of the fluid in the cavity or by the displacement of a wall 14 of the deformable part 13.
  • the volume of the fluid in the cavity remains constant, so that l
  • the increase in the volume of a deformable part 13 corresponds to the decrease in the volume of the other deformable part 13.
  • the deformable part can be deformed by a rod 15 integral with the control member.
  • An actuator rod 16 makes it possible to activate the mechanism 8 of the movement.
  • the thrust means is a deformable part 13 of the cavity and the actuator also comprises a deformable part 13 of the cavity.
  • a wall 14 of the cavity is accessible outside the watch, flush or slightly protruding. The user can directly exert pressure on the accessible wall 14 to displace the fluid in the cavity and activate the mechanism.
  • the wall 14 of the cavity in this case directly constitutes the control member.
  • the transmission device makes it possible to vary the triggering force and the stroke independently of the mechanism. It suffices for this to adapt the ratio between the fluid sections displaced at the level of the thrust means and of the actuator. In a transmission device using pistons, this amounts to choosing control 7 and actuator 9 pistons of different diameter. It is for example possible to reduce the force to be applied to the control member compared to that necessary to activate the mechanism, by increasing its stroke. Likewise, it is possible to obtain a longer actuator stroke by increasing the force to be provided on the control member.
  • the actuators have been placed in the caseband so as to activate the mechanisms of the movement in a radial direction with reference to the center of the movement. It is obvious that the actuators could be arranged differently and exert a force in any direction. The actuators could also be placed in other places of the box, on the bottom or directly in the movement as close as possible to the mechanisms they actuate.
  • the hose making it possible to transmit the thrust force from the control member to the actuator could travel on the surface or inside the parts making up the box, or the movement, such as the bottom, the container or the plate, or be directly dug in these parts by means of rapid prototyping, machining or etching, for example chemical.
  • the great freedom of positioning and orientation of the actuators simplifies the design of the movements.
  • the movements of the actuators are linear and their stroke can easily be adapted according to the needs of the mechanism, which makes it possible to dispense with certain transmission rockers or to reduce their size.
  • the space thus freed up can be used to integrate complications or additional functions or to reduce the volume of the watch.
  • the bezel can constitute a discreet control member by rotation.
  • a cam located on an internal face of the bezel makes it possible, depending on its angular position, to actuate one or more thrust means playing the role of cam follower.
  • the ability to vary the triggering force of the control members also makes it possible to use, for the same mechanism, pushers of different sizes for which the pressure felt by the user, that is to say the force applied divided by the area of the pusher, will be substantially the same.
  • the transmission device of the present invention makes it possible to perform a non-linear function between the displacement of the control unit and that of the actuator.
  • a deformable part 13 which, instead of being cylindrical as on the figures 3 and 4 , would have a variable section such as for example a sphere, a cone or any other form of revolution of variable section.
  • the use of appropriate profiles makes it possible to erase this type of disparity by smoothing the curve of the force felt at the control unit level. This particular arrangement makes it possible to improve the ergonomics of the control members and the quality perceived by the users.
  • the transmission device may include an adjustment device capable of adjusting the activation threshold of the mechanism by the actuator in response to the actuation of the control member.
  • the adjuster can, for example, be designed to finely adjust the length of the piston of the actuator or actuator. It can also be located at the level of the cavity or of the section of the hose in which it is possible to provide that a deformable zone is more or less compressed by the displacement of a screw, an eccentric or any other equivalent device. , which will have the effect of moving the actuator slightly in one direction or the other.
  • the watch may include a plurality of actuators, arranged in parallel at two ends of the same cavity and capable of moving in a synchronized manner in response to the movement of the same control member. ordered.
  • a watch is thus proposed which incorporates an original transmission device which offers many new possibilities for the design of movements and watches and which also makes it possible to improve the ergonomics of the control members.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Actuator (AREA)

Description

La présente invention se rapporte au domaine de l'horlogerie. Elle concerne une montre qui comporte un mouvement et qui dispose d'un dispositif de transmission entre un organe de commande externe et un mécanisme du mouvement.The present invention relates to the field of watchmaking. It relates to a watch which comprises a movement and which has a transmission device between an external control member and a movement mechanism.

Dans la plupart des montres, les mécanismes du mouvement sont placés en vis-à-vis des poussoirs qui les actionnent si bien que l'architecture des mouvements et la disposition des organes de commande externes sont directement liées. La difficulté de concevoir un mouvement et d'y ajouter des fonctions supplémentaires est la cause de certaines ressemblances dans les très nombreuses réalisations horlogères. De façon conventionnelle, les boutons poussoirs actionnant un chronographe sont par exemple très souvent situés à deux et quatre heures, de part et d'autre de la tige de commande. On connait déjà une montre dans laquelle les poussoirs de commandes ne sont pas situés en vis-à-vis des mécanismes qu'ils actionnent dans le mouvement dont on trouve un exemple dans la demande EP1553468 . Cette montre comporte un système complexe de transmission composé de tringles et de bascules monté entre le mouvement et la carrure qui permet de positionner les deux boutons poussoirs actionnant le chronographe du côté opposé à la tige de commande tout en conservant un mouvement conventionnel. Toutefois, ce type de mécanisme présente plusieurs inconvénients : il est complexe à concevoir, onéreux à fabriquer, encombrant, lourd et les frottements supplémentaires qu'il occasionne augmentent l'effort nécessaire pour l'actionnement des poussoirs de commande.In most watches, the movement mechanisms are placed opposite the push-pieces which actuate them so that the architecture of the movements and the arrangement of the external control members are directly linked. The difficulty of designing a movement and adding additional functions to it is the cause of certain similarities in the very many horological achievements. Conventionally, the push buttons actuating a chronograph are for example very often located at two and four o'clock, on either side of the control rod. We already know a watch in which the control pushers are not located opposite the mechanisms that they actuate in the movement, an example of which can be found in the application. EP1553468 . This watch has a complex transmission system made up of rods and rockers mounted between the movement and the caseband which makes it possible to position the two pushbuttons operating the chronograph on the side opposite the control rod while maintaining a conventional movement. However, this type of mechanism has several drawbacks: it is complex to design, expensive to manufacture, bulky, heavy and the additional friction it causes increases the force required for actuating the control push buttons.

On sait également que les poussoirs qui actionnent les mécanismes d'une montre peuvent présenter une certaine dureté qui sera ressentie différemment selon les utilisateurs. Une solution pour rendre leur emploi plus confortable sans avoir à modifier le mouvement consiste à ajouter à l'extérieur de la boîte un levier agissant sur le poussoir. Ce dispositif permet de réduire la force nécessaire à l'actionnement du mécanisme sensiblement dans la proportion de l'augmentation de la course de la commande. Ce type d'aménagement présente cependant les inconvénients de modifier l'esthétique de la montre, d'augmenter son encombrement et d'en compliquer la fabrication.We also know that the pushers that operate the mechanisms of a watch can have a certain hardness that will be felt. differently depending on the user. One solution to make their use more comfortable without having to modify the movement consists in adding a lever to the outside of the case that acts on the push-piece. This device makes it possible to reduce the force required to actuate the mechanism substantially in proportion to the increase in the stroke of the control. However, this type of arrangement has the drawbacks of modifying the appearance of the watch, of increasing its size and complicating its manufacture.

On connaît aussi du document WO2016/110778 un dispositif à double soufflets insensible à la température pour transmettre une force à partir d'un organe de commande.We also know of the document WO2016 / 110778 a temperature insensitive double bellows device for transmitting force from a controller.

Il est également connu du document US5224077 un dispositif de commande à distance d'un poussoir de chronographe formant une accessoire que l'on peut monter sur une montre chronographe classique.It is also known from the document US5224077 a device for remote control of a chronograph pusher forming an accessory that can be mounted on a conventional chronograph watch.

La présente invention a pour but de remédier aux inconvénients précités de l'art antérieur en proposant un nouveau type de dispositif de commande pour les montres ainsi que d'offrir de nouvelles possibilités esthétiques et techniques aux concepteurs de montres et mouvements.The object of the present invention is to remedy the aforementioned drawbacks of the prior art by proposing a new type of control device for watches as well as to offer new aesthetic and technical possibilities to designers of watches and movements.

A cet effet, l'invention concerne une montre comportant une boîte ayant une carrure dans laquelle est logé un mouvement. La montre comporte également un organe de commande destiné à être actionné par un utilisateur ainsi qu'un dispositif de transmission interne muni d'un actionneur apte à se déplacer, en réponse à l'actionnement de l'organe de commande, entre une position de repos et une position active dans laquelle il active un mécanisme du mouvement. De façon originale, le dispositif de transmission comporte une cavité fermée remplie d'un fluide et un moyen de poussée lié cinématiquement à l'organe de commande et agencé pour déplacer le fluide dans la cavité, le déplacement du fluide dans la cavité provoquant le déplacement de l'actionneur.To this end, the invention relates to a watch comprising a case having a middle part in which a movement is housed. The watch also comprises a control member intended to be actuated by a user as well as an internal transmission device provided with an actuator capable of moving, in response to the actuation of the control member, between a position of. rest and an active position in which it activates a mechanism of movement. In an original manner, the transmission device comprises a closed cavity filled with a fluid and a thrust means kinematically linked to the control member and arranged to move the fluid in the cavity, the movement of the fluid in the cavity causing the displacement. of the actuator.

Une telle construction présente l'avantage de décorréler la position de l'organe de commande de celle du mécanisme qu'il actionne dans le mouvement. Cela permet de placer les commandes aux endroits désirés sur la boîte en fonction de critères uniquement esthétiques et ergonomiques mais également de concevoir des mouvements sans être contraint par ces mêmes critères.Such a construction has the advantage of decorrelating the position of the control member from that of the mechanism which it actuates in the movement. This makes it possible to place the controls at the desired locations on the box according to uniquely aesthetic and ergonomic criteria, but also to design movements without being constrained by these same criteria.

D'autres caractéristiques et avantages de l'invention apparaîtront à la lecture de la description d'exemples de réalisation, donnés à titre illustratif et non limitatif, en référence aux dessins annexés dans lesquels :

  • la figure 1 représente un premier mode de réalisation d'une montre selon l'invention,
  • la figure 2 représente une variante d'exécution du premier mode de réalisation,
  • les figures 3 et 4 représentent des vues de détails de variantes d'exécution d'un deuxième mode de réalisation.
Other characteristics and advantages of the invention will become apparent on reading the description of exemplary embodiments, given by way of illustration and not by way of limitation, with reference to the appended drawings in which:
  • the figure 1 represents a first embodiment of a watch according to the invention,
  • the figure 2 represents an alternative embodiment of the first embodiment,
  • the figures 3 and 4 represent detail views of variant embodiments of a second embodiment.

La figure 1 représente un premier mode de réalisation d'une montre selon l'invention dont seuls apparaissent les détails utiles à la compréhension du problème technique. Cette montre comporte une boîte dont la carrure 1 est représentée en coupe ainsi qu'un mouvement 2 situé au centre de la carrure 1. Un organe de commande destiné à être actionné par un utilisateur apparait sous la forme d'un bouton poussoir 3 s'étendant à l'extérieur de la carrure 1. Un dispositif de transmission interne est logé dans la carrure 1. Ce dispositif comporte une cavité fermée remplie d'un fluide incompressible. La cavité comporte une durite 4 dont une première extrémité débouche dans une chambre de piston de commande 5 et dont la deuxième extrémité débouche dans une chambre de piston d'actionneur 6. Le dispositif de transmission comporte en outre un moyen de poussée apte à déplacer le fluide dans la cavité. Dans le mode de réalisation présenté, le moyen de poussée est un piston de commande 7 relié cinématiquement au poussoir 3 et débouchant dans la cavité au niveau de la chambre de piston de commande 5. L'actionnement du poussoir 3 provoque le déplacement du piston de commande 7 dans la chambre de commande 5 et le déplacement du fluide dans la cavité. Le dispositif de transmission comporte en outre un actionneur disposé à l'intérieur de la carrure en vis-à-vis d'un mécanisme 8 du mouvement qu'il a vocation à activer en se déplaçant d'une position de repos à une position active. L'actionneur comporte un piston d'actionneur 9 débouchant dans la chambre de piston d'actionneur 6 et agencé pour se déplacer et actionner le mécanisme sous l'effet de la poussée du fluide. La durite 4 est logée par exemple dans une rainure 10 ménagée dans la face interne de la carrure 1.The figure 1 represents a first embodiment of a watch according to the invention of which only the details useful for understanding the technical problem appear. This watch comprises a case, the caseband 1 of which is shown in section as well as a movement 2 located in the center of the caseband 1. A control member intended to be actuated by a user appears in the form of a push button 3 s'. extending outside the middle part 1. An internal transmission device is housed in the middle part 1. This device comprises a closed cavity filled with an incompressible fluid. The cavity comprises a hose 4, a first end of which opens into a control piston chamber 5 and the second end of which opens into an actuator piston chamber 6. The transmission device further comprises a thrust means capable of moving the valve. fluid in the cavity. In the embodiment shown, the thrust means is a control piston 7 kinematically connected to the pusher 3 and opening into the cavity at the level of the control piston chamber 5. The actuation of the pusher 3 causes the displacement of the piston. control 7 in the control chamber 5 and the movement of the fluid in the cavity. The transmission device further comprises an actuator arranged inside the middle part facing a movement mechanism 8 which it is intended to activate by moving from a rest position to an active position. . The actuator has an actuator piston 9 opening into the actuator piston chamber 6 and arranged to move and actuate the mechanism under the effect of the pressure of the fluid. The hose 4 is housed for example in a groove 10 made in the internal face of the middle part 1.

Le dispositif de transmission est réversible, c'est-à-dire qu'un effort de rappel exercé par le mécanisme 8 sur l'actionneur, tendant à le ramener dans sa position de repos, provoque le déplacement du piston d'actionneur 9, le recul du fluide dans la cavité et repousse le piston de commande 7 ainsi que le poussoir 3 dans leur position d'origine une fois ce dernier relâché. Le dispositif de transmission peut également comporter un moyen de rappel supplémentaire, indépendamment du mécanisme du mouvement. Ce moyen de rappel peut prendre la forme d'un ressort agissant par exemple au niveau de l'organe de commande ou de l'actionneur.The transmission device is reversible, that is to say that a return force exerted by the mechanism 8 on the actuator, tending to bring it back to its rest position, causes movement of the actuator piston 9, the fluid recedes into the cavity and pushes the control piston 7 as well as the pusher 3 into their original position once the latter has been released. The transmission device can also include an additional return means, independently of the mechanism of the movement. This return means may take the form of a spring acting, for example, at the level of the control member or of the actuator.

Selon une variante de réalisation présentée à la figure 2, la durite 4 reliant la chambre du piston de commande 5 à celle 6 de l'actionneur peut être formée directement dans la carrure 1 soit par un moyen d'usinage ou de gravage ou de gravage sélectif tel que celui décrit dans la demande de brevet EP No 2795410 incorporée ici par référence, soit par une technique d'impression tridimensionnelle ou encore par l'assemblage de deux pièces usinées séparément et formant un conduit une fois assemblées. Le procédé de fabrication par impression tridimensionnelle permet de réaliser, dans la masse de la carrure 1, un réseau complexe de conduites et de logements destinés à recevoir les actionneurs et les organes de commande. Dans cette variante de réalisation, la cavité est au moins partiellement réalisée dans la masse de la carrure 1. Cela offre une grande facilité et de très nombreuses possibilités d'aménagement là où la solution apportée par l'art antérieur était peu flexible. Avantageusement, la transmission d'effort par un fluide peut s'effectuer quasiment sans frottements et sans besoin de lubrification.According to an alternative embodiment presented in figure 2 , the hose 4 connecting the chamber of the control piston 5 to that 6 of the actuator can be formed directly in the middle part 1 either by means of machining or engraving or selective engraving such as that described in the patent application EP No 2795410 incorporated here by reference, either by a three-dimensional printing technique or by the assembly of two parts machined separately and forming a duct when assembled. The manufacturing process by three-dimensional printing makes it possible to produce, in the mass of the middle part 1, a complex network of pipes and housings intended to receive the actuators and the control members. In this variant embodiment, the cavity is at least partially made in the mass of the middle part 1. This offers great ease and very many possibilities of arrangement where the solution provided by the prior art was not very flexible. Advantageously, the transmission of force by a fluid can take place almost without friction and without the need for lubrication.

Selon d'autres variantes d'exécutions de l'invention présentées sur les figures 3 et 4, le dispositif de transmission comporte un module de transmission 11 rempli d'un fluide incompressible. Ce module forme une cavité fermée composée d'une durite 4 reliant deux parties déformables 13. Dans l'exemple de la figure 3 les parties déformables sont des soufflets, dans la figure 4 il s'agit de poches aptes à se retourner comme une chaussette. Les parois des parties déformables 13 sont réalisées dans un matériau souple tel que par exemple le silicone. La déformation des parties déformables 13 est réversible et peut être obtenue soit par le déplacement du fluide dans la cavité soit par le déplacement d'une paroi 14 de la partie déformable 13. Le volume du fluide dans la cavité reste constant, de sorte que l'augmentation du volume d'une partie déformable 13 correspond à la diminution du volume de l'autre partie déformable 13. La partie déformable peut être déformée par une tige 15 solidaire de l'organe de commande. Une tige d'actionneur 16 permet d'activer le mécanisme 8 du mouvement. Dans ce mode de réalisation, le moyen de poussée est une partie déformable 13 de la cavité et l'actionneur comporte également une partie déformable 13 de la cavité. Selon une autre configuration non représentée, une paroi 14 de la cavité est accessible à l'extérieur de la montre, de façon affleurante ou légèrement proéminente. L'utilisateur peut exercer directement une pression sur la paroi 14 accessible pour déplacer le fluide dans la cavité et actionner le mécanisme. La paroi 14 de la cavité constitue dans ce cas directement l'organe de commande.According to other variant embodiments of the invention presented on the figures 3 and 4 , the transmission device comprises a transmission 11 filled with an incompressible fluid. This module forms a closed cavity composed of a hose 4 connecting two deformable parts 13. In the example of figure 3 the deformable parts are bellows, in the figure 4 these are pockets able to turn around like a sock. The walls of the deformable parts 13 are made of a flexible material such as for example silicone. The deformation of the deformable parts 13 is reversible and can be obtained either by the displacement of the fluid in the cavity or by the displacement of a wall 14 of the deformable part 13. The volume of the fluid in the cavity remains constant, so that l The increase in the volume of a deformable part 13 corresponds to the decrease in the volume of the other deformable part 13. The deformable part can be deformed by a rod 15 integral with the control member. An actuator rod 16 makes it possible to activate the mechanism 8 of the movement. In this embodiment, the thrust means is a deformable part 13 of the cavity and the actuator also comprises a deformable part 13 of the cavity. According to another configuration not shown, a wall 14 of the cavity is accessible outside the watch, flush or slightly protruding. The user can directly exert pressure on the accessible wall 14 to displace the fluid in the cavity and activate the mechanism. The wall 14 of the cavity in this case directly constitutes the control member.

Il est aussi possible d'utiliser des membranes métalliques que l'on peut déformer sous la pression de l'organe de commande, et qui reprennent leur place par effet ressort une fois la contrainte relâchée.It is also possible to use metal membranes which can be deformed under the pressure of the control member, and which return to their place by a spring effect once the stress has been released.

Que ce soit par un système à piston se déplaçant dans la cavité ou un système déformable, c'est le déplacement d'une première paroi de la cavité liée cinématiquement à l'organe de commande qui provoque le déplacement du fluide dans la cavité. Dans le cas d'un piston, la paroi se déplaçant est située directement sur le piston. De même, le déplacement du fluide dans la cavité provoque le déplacement d'une deuxième paroi de la cavité cinématiquement liée à l'actionneur. Ainsi les première et deuxième parois de la cavité sont cinématiquement liées l'une à l'autre et l'organe de commande est cinématiquement lié à l'actionneur. Il est bien entendu possible de combiner tous les types de moyen de poussée ou d'actionneur entre eux qu'ils soient à piston ou déformables.Whether it is by a piston system moving in the cavity or a deformable system, it is the movement of a first wall of the cavity kinematically linked to the control member which causes the movement of the fluid in the cavity. In the case of a piston, the moving wall is located directly on the piston. Likewise, the displacement of the fluid in the cavity causes the displacement of a second wall of the cavity. kinematically linked to the actuator. Thus the first and second walls of the cavity are kinematically linked to one another and the control member is kinematically linked to the actuator. It is of course possible to combine all types of thrust means or actuators with one another, whether they are piston type or deformable.

De façon avantageuse par rapport à un système de transmission directe dans lequel un bouton poussoir agit directement sur le mécanisme du mouvement selon une course et un effort donnés, le dispositif de transmission selon l'invention permet de faire varier l'effort de déclenchement et la course indépendamment du mécanisme. Il suffit pour cela d'adapter le rapport entre les sections de fluide déplacées au niveau du moyen de poussée et de l'actionneur. Dans un dispositif de transmission utilisant des pistons, cela revient à choisir des pistons de commande 7 et d'actionneur 9 de diamètre différent. Il est par exemple possible de réduire l'effort à appliquer sur l'organe de commande par rapport à celui nécessaire pour activer le mécanisme, en augmentant sa course. De la même façon, il est possible d'obtenir une course de l'actionneur plus longue en augmentant l'effort à fournir sur l'organe de commande.Advantageously compared to a direct transmission system in which a push button acts directly on the movement mechanism according to a given stroke and force, the transmission device according to the invention makes it possible to vary the triggering force and the stroke independently of the mechanism. It suffices for this to adapt the ratio between the fluid sections displaced at the level of the thrust means and of the actuator. In a transmission device using pistons, this amounts to choosing control 7 and actuator 9 pistons of different diameter. It is for example possible to reduce the force to be applied to the control member compared to that necessary to activate the mechanism, by increasing its stroke. Likewise, it is possible to obtain a longer actuator stroke by increasing the force to be provided on the control member.

Les solutions présentées permettent de disposer les mécanismes des mouvements et les organes de commande de façon indépendante. Cela laisse une très grande liberté au concepteur de mouvements qui peut envisager de nouvelles architectures sans avoir à se préoccuper de contraintes en rapport avec l'esthétique de la montre ou l'ergonomie de ses commandes. Dans les modes de réalisation présentés, les actionneurs ont été placés dans la carrure de façon à activer les mécanismes du mouvement selon une direction radiale en référence au centre du mouvement. Il est évident que les actionneurs pourraient être disposés différemment et exercer un effort dans toute direction. Les actionneurs pourraient également être placés en d'autres endroits de la boîte, sur le fond ou directement dans le mouvement au plus près des mécanismes qu'ils actionnent. La durite permettant de transmettre l'effort de poussée de l'organe de commande à l'actionneur pourrait cheminer à la surface ou à l'intérieur des pièces composant la boîte, ou le mouvement, comme le fond, le container ou la platine, ou être directement creusée dans ces pièces par des moyens de prototypage rapide, d'usinage ou de gravage par exemple chimique. La grande liberté de positionnement et d'orientation des actionneurs simplifie la conception des mouvements. Avantageusement les mouvements des actionneurs sont linéaires et leur course peut facilement être adaptée selon les besoin du mécanisme, ce qui permet de se passer de certaines bascules de transmission ou de réduire leur taille. L'espace ainsi libéré peut servir à intégrer des complications ou fonctions supplémentaires ou à réduire le volume de la montre.The solutions presented make it possible to arrange the mechanisms of the movements and the control members independently. This leaves a great deal of freedom to the movement designer, who can consider new architectures without having to worry about constraints related to the aesthetics of the watch or the ergonomics of its controls. In the embodiments presented, the actuators have been placed in the caseband so as to activate the mechanisms of the movement in a radial direction with reference to the center of the movement. It is obvious that the actuators could be arranged differently and exert a force in any direction. The actuators could also be placed in other places of the box, on the bottom or directly in the movement as close as possible to the mechanisms they actuate. The hose making it possible to transmit the thrust force from the control member to the actuator could travel on the surface or inside the parts making up the box, or the movement, such as the bottom, the container or the plate, or be directly dug in these parts by means of rapid prototyping, machining or etching, for example chemical. The great freedom of positioning and orientation of the actuators simplifies the design of the movements. Advantageously, the movements of the actuators are linear and their stroke can easily be adapted according to the needs of the mechanism, which makes it possible to dispense with certain transmission rockers or to reduce their size. The space thus freed up can be used to integrate complications or additional functions or to reduce the volume of the watch.

Alternativement cela offre également de nouvelles possibilités au designer pour disposer les organes de commandes sur la montre. Les poussoirs peuvent ainsi être placés à des endroits inhabituels hors du plan du mouvement, de façon inclinée, proches les uns des autres, sur le dessus de la boîte, sur les cornes ou le bracelet ou encore sur le fermoir, etc. Selon une variante de l'invention, la lunette peut constituer un organe de commande discret par rotation. A cette fin, une came située sur une face interne de la lunette permet, selon sa position angulaire, d'actionner un ou plusieurs moyens de poussée jouant le rôle de suiveur de came. La faculté de pouvoir faire varier la force de déclenchement des organes de commande permet également d'utiliser, pour un même mécanisme, des poussoirs de taille différente pour lesquels la pression ressentie par l'utilisateur, c'est-à-dire la force appliquée divisée par la surface du poussoir, sera sensiblement identique. Alternativement, il est facile d'adapter la dureté d'une commande selon les souhaits d'un utilisateur en modifiant le dispositif de transmission sans avoir à modifier le mouvement ou les poussoirs.Alternatively, this also offers the designer new possibilities for arranging the control elements on the watch. The pushers can thus be placed in unusual places outside the plane of the movement, in an inclined manner, close to each other, on the top of the case, on the lugs or the bracelet or on the clasp, etc. According to a variant of the invention, the bezel can constitute a discreet control member by rotation. To this end, a cam located on an internal face of the bezel makes it possible, depending on its angular position, to actuate one or more thrust means playing the role of cam follower. The ability to vary the triggering force of the control members also makes it possible to use, for the same mechanism, pushers of different sizes for which the pressure felt by the user, that is to say the force applied divided by the area of the pusher, will be substantially the same. Alternatively, it is easy to adapt the hardness of a control according to the wishes of a user by modifying the transmission device without having to modify the movement or the pushers.

De façon avantageuse, le dispositif de transmission de la présente invention permet de réaliser une fonction non linéaire entre le déplacement de l'organe de commande et celui de l'actionneur. On peut obtenir un tel résultat en utilisant une partie déformable 13 qui, au lieu d'être cylindrique comme sur les figures 3 et 4, présenterait une section variable comme par exemple une sphère, un cône ou tout autre forme de révolution de section variable. Dans le cas où un mécanisme présente dans sa course d'activation un point dur ou, au contraire, une portion de moindre résistance, l'utilisation de profils appropriés permet de gommer ce type de disparités en lissant la courbe de l'effort ressentie au niveau de l'organe de commande. Cette disposition particulière permet d'améliorer l'ergonomie des organes de commande et la qualité perçue par les utilisateurs.Advantageously, the transmission device of the present invention makes it possible to perform a non-linear function between the displacement of the control unit and that of the actuator. Such a result can be obtained by using a deformable part 13 which, instead of being cylindrical as on the figures 3 and 4 , would have a variable section such as for example a sphere, a cone or any other form of revolution of variable section. In the event that a mechanism presents a hard point in its activation stroke or, on the contrary, a portion of lesser resistance, the use of appropriate profiles makes it possible to erase this type of disparity by smoothing the curve of the force felt at the control unit level. This particular arrangement makes it possible to improve the ergonomics of the control members and the quality perceived by the users.

De façon avantageuse, le dispositif de transmission peut comporter un dispositif de réglage apte à ajuster le seuil d'activation du mécanisme par l'actionneur en réponse à l'actionnement de l'organe de commande. Le dispositif de réglage peut, par exemple, être conçu pour ajuster finement la longueur du piston de l'organe de commande ou de l'actionneur. Il peut également être situé au niveau de la cavité ou de la section de la durite dans laquelle on peut prévoir qu'une zone déformable soit plus ou moins comprimée par le déplacement d'une vis, d'un excentrique ou de tout autre dispositif équivalent, ce qui aura pour effet de légèrement déplacer l'actionneur dans un sens ou dans l'autre.Advantageously, the transmission device may include an adjustment device capable of adjusting the activation threshold of the mechanism by the actuator in response to the actuation of the control member. The adjuster can, for example, be designed to finely adjust the length of the piston of the actuator or actuator. It can also be located at the level of the cavity or of the section of the hose in which it is possible to provide that a deformable zone is more or less compressed by the displacement of a screw, an eccentric or any other equivalent device. , which will have the effect of moving the actuator slightly in one direction or the other.

Il est fréquent que différentes fonctions soient activées de façon synchronisée dans une montre, par exemple les fonctions de débrayage et de freinage dans un mécanisme de chronographe. Selon un mode de réalisation particulier de l'invention, la montre peut comporter une pluralité d'actionneurs, disposés en parallèle à deux extrémités d'une même cavité et aptes à se déplacer de façon synchronisée en réponse au déplacement d'un même organe de commande. Ainsi la montre selon l'invention apporte au concepteur une solution simple pour résoudre des problèmes de synchronisation au sein des mouvements.It is common for different functions to be activated in a synchronized manner in a watch, for example the disengagement and braking functions in a chronograph mechanism. According to a particular embodiment of the invention, the watch may include a plurality of actuators, arranged in parallel at two ends of the same cavity and capable of moving in a synchronized manner in response to the movement of the same control member. ordered. Thus the watch according to the invention provides the designer with a simple solution for solving problems of synchronization within the movements.

Il est ainsi proposé une montre intégrant un dispositif de transmission original qui offre de nombreuses possibilités inédites pour la conception des mouvements et des montres et qui permet également d'améliorer l'ergonomie des organes de commandes.A watch is thus proposed which incorporates an original transmission device which offers many new possibilities for the design of movements and watches and which also makes it possible to improve the ergonomics of the control members.

Claims (14)

  1. Watch comprising a case having a middle part (1) and inside which is housed a movement (2), the watch including a control member intended to be actuated by a user, the watch further comprising an internal transmission device provided with an actuator able to move, in response to actuation of the control member, between a rest position and an active position in which the actuator actuates a mechanism (8) of the movement, wherein the transmission device is integrated into the case and includes a closed cavity filled with an incompressible fluid and a thrust means kinematically connected to the control member and arranged to displace the fluid inside the cavity, and wherein the displacement of fluid inside the cavity causes displacement of the actuator, characterized in that the thrust means is a control piston (7), and in that the actuator includes an actuator piston (9).
  2. Watch according to one of the preceding claims, characterized in that the cavity includes a deformable part (13) arranged to be deformed in a reversible manner.
  3. Watch according to the preceding claim, characterized in that the thrust means is a deformable part (13) of the cavity.
  4. Watch according to one of claims 2 or 3, characterized in that the actuator includes a deformable part (13) of the cavity.
  5. Watch according to one of claims 2 to 4, characterized in that the deformable part (13) has a variable section.
  6. Watch according to one of claims 2 to 5, characterized in that the control member is a wall (14) of the cavity.
  7. Watch according to any of the preceding claims, characterized in that the watch comprises a plurality of actuators able to move in a synchronized manner in response to displacement of the same control member.
  8. Watch according to any of the preceding claims, characterized in that the watch includes a return means tending to return the actuator to its rest position.
  9. Watch according to any of the preceding claims, characterized in that the control member is located outside the plane of the movement.
  10. Watch according to any of the preceding claims, characterized in that the watch includes a bezel and in that the bezel forms a control member.
  11. Watch according to any of the preceding claims, characterized in that the watch includes a regulating device able to adjust the actuation threshold of the mechanism (8) by the actuator in response to actuation of the control member.
  12. Watch according to any of the preceding claims, characterized in that the cavity is at least partially made within the body of the case middle (1).
  13. Watch according to any of claims 1 to 12, provided with a watchband, characterized in that the control member is placed on the watch band.
  14. Watch according to any of claims 1 to 12, equipped with a watchband provided with a clasp, characterized in that the control member is placed on the watchband clasp.
EP16192427.9A 2016-10-05 2016-10-05 Watch comprising a transmission device between a controller and the movement Active EP3306421B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP16192427.9A EP3306421B1 (en) 2016-10-05 2016-10-05 Watch comprising a transmission device between a controller and the movement
JP2017187429A JP6457606B2 (en) 2016-10-05 2017-09-28 Wristwatch with transmission device between control member and movement
CN201710905819.6A CN107918270B (en) 2016-10-05 2017-09-29 Watch comprising a transmission between a control member and a movement
US15/723,535 US10120340B2 (en) 2016-10-05 2017-10-03 Watch comprising a transmission device between a control member and the movement
HK18111785.6A HK1252477A1 (en) 2016-10-05 2018-09-13 Watch comprising a transmission device between a control member and the movement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP16192427.9A EP3306421B1 (en) 2016-10-05 2016-10-05 Watch comprising a transmission device between a controller and the movement

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EP3306421A1 EP3306421A1 (en) 2018-04-11
EP3306421B1 true EP3306421B1 (en) 2021-04-21

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EP (1) EP3306421B1 (en)
JP (1) JP6457606B2 (en)
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CN107918270B (en) 2020-05-19
JP6457606B2 (en) 2019-01-23
US10120340B2 (en) 2018-11-06
CN107918270A (en) 2018-04-17
JP2018059928A (en) 2018-04-12
US20180095425A1 (en) 2018-04-05
EP3306421A1 (en) 2018-04-11
HK1252477A1 (en) 2019-05-24

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