EP2503408A1 - Control device for clock movement - Google Patents

Control device for clock movement Download PDF

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Publication number
EP2503408A1
EP2503408A1 EP11159130A EP11159130A EP2503408A1 EP 2503408 A1 EP2503408 A1 EP 2503408A1 EP 11159130 A EP11159130 A EP 11159130A EP 11159130 A EP11159130 A EP 11159130A EP 2503408 A1 EP2503408 A1 EP 2503408A1
Authority
EP
European Patent Office
Prior art keywords
latch
barrel
control device
watch movement
mobile
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.)
Granted
Application number
EP11159130A
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German (de)
French (fr)
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EP2503408B1 (en
Inventor
Sylvain Le Hirez
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.)
De Grisogono SA
Original Assignee
De Grisogono 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 De Grisogono SA filed Critical De Grisogono SA
Priority to EP20110159130 priority Critical patent/EP2503408B1/en
Publication of EP2503408A1 publication Critical patent/EP2503408A1/en
Application granted granted Critical
Publication of EP2503408B1 publication Critical patent/EP2503408B1/en
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Anticipated expiration legal-status Critical

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    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • G04B19/06—Dials
    • G04B19/16—Shiftable dials, e.g. indicating alternately from 1 to 12 and from 13 to 24
    • 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
    • G04B45/00—Time pieces of which the indicating means or cases provoke special effects, e.g. aesthetic effects
    • G04B45/003—Inscriptions and pictures moved by hand

Definitions

  • the present invention relates to a control device, intended to actuate a mechanism of a watch movement comprising at least one mobile, comprising a lever arranged to act on a first lock that can be moved between first and second respective positions, in response to a predefined action of a user, to at least indirectly lock and release the mobile.
  • the control device comprises a first resilient member arranged to tend to position the first latch in its first position.
  • This chronograph mechanism includes a reset hammer of the seconds and minutes timed counters.
  • An elastic member is provided to exert a pressure on the hammer tending to position it in its active position, in which it locks the timed seconds and minutes counters.
  • the hammer carries a spout arranged to cooperate with the columns of a column wheel, to raise the hammer to release the seconds and minutes counters and measure a time interval.
  • a lever whose movements are controlled from an external control member is arranged to rotate the column wheel and, in particular, to release the hammer or lift.
  • Such a control device is not adapted to implement the control of clock mechanisms requiring to be released. then again locked automatically, in response to a single action of the user.
  • Some chronograph mechanisms have a different structure for performing a "return flight" time meters measured by actuating the reset member.
  • the counters are maintained at zero by the hammer as long as the user maintains his pressure on the external reset control member.
  • the chronograph counters are again free to rotate.
  • the position of the hammer at rest is its raised position in which it does not act on the counters to lock them.
  • a specific additional counter lock member is needed when no measure of a time interval is in progress.
  • a main object of the present invention is to propose an alternative to the control devices known from the prior art, by proposing such a device making it possible, in response to a predefined action of a user, to deactivate a lock acting on a mobile phone. a mechanism while allowing it to resume its locking position when the locking of the mobile is again required.
  • the present invention relates more particularly to a control device of the type mentioned above, characterized in that the lever comprises a base, capable of moving with reference to the frame of the watch movement in response to the predefined action, an actuator movably mounted on the base, between an active position and an inactive position, and a second elastic member arranged to tend to position the actuating member in its active position.
  • control device further comprises a disengaging member, intended to be set in motion by the movements of the mobile mechanism and able to act on the actuating member and move in its inactive position.
  • this control device ensures a return of the first lock in its locking position, after it has released the mobile, to lock the latter again.
  • the duration during which the lock is inactive following the predefined action of the user can advantageously be adapted according to the needs and according to various parameters, such as for example a predefined time interval or a predefined spatial displacement of a mobile.
  • control device makes it possible to lock the mobile after its release even in the case where a user exerts a prolonged action on the associated external control member, which would maintain the lever in its active position.
  • the actuating member is arranged on the base so as to move in translation with reference to the latter.
  • the disengaging member is preferably intended to be pivotally mounted on the frame of the watch movement, being driven at least indirectly by the mobile mechanism, and comprises a cam may exert pressure on the body of actuation to move it to its inactive position according to the angular position of the clutch member.
  • the action of the disengaging mobile is directly related to the fulfillment of a predefined condition, here a predefined movement of the mobile mechanism released by the lock.
  • the base is intended to be pivotally arranged on the frame of the watch movement, the actuating member comprising a first finger arranged to pivot the first lock in response to the predefined action.
  • the present invention also relates to a device for driving a mechanism for a watch movement comprising a control device corresponding to the characteristics which have just been exposed, the driving device comprising a toothed mobile arranged to be locked when the first lock is in its first position and to be free to turn when the first lock is in its second position.
  • the toothed mobile then advantageously has a kinematic connection with the disengaging member to drive it in rotation when it is itself free to rotate.
  • the toothed mobile may be a barrel drum bearing a toothing kinematically connected to the disengagement member, the drum being rotatably connected to at least one first tooth capable of cooperating with a locking nose of the first latch.
  • the barrel can transmit a predefined quantity of energy and on demand to a clock mechanism.
  • the first lock is intended to be pivotally mounted on a shaft integral with the watch movement frame, a damping member being arranged between the shaft and the first lock to allow the latter to move also in translation with reference to the building of the watch movement.
  • the present invention also relates to a watch movement comprising a drive device meeting the above characteristics and a safety device arranged to lock the control device when the load level of the spring of the barrel is less than one. first predefined value.
  • This clock movement may also include a device for winding the mainspring, the safety device being also arranged to lock the winding device when the load level of the mainspring is greater than a second preset value.
  • the mainspring has a first end secured to the barrel drum and a second end integral with a winding ratchet
  • the winding mechanism may comprise a rack having a toothing kinematically connected to the winding ratchet.
  • the present invention also relates to a timepiece comprising such a watch movement as well as a visible movable member having a kinematic connection with the barrel drum, the movable member being for example a rotary dial.
  • FIG. 1 represents a simplified front view of a watch movement according to a preferred embodiment of the present invention, in a bridge side view;
  • the figure 2 represents a simplified perspective view of a first construction detail of the watchmaking movement of the figure 1 , seen from a first side;
  • the figure 3 represents a simplified perspective view of the construction detail of the figure 2 seen from his second face;
  • the figure 4 represents a simplified perspective view of a second construction detail of the watch movement of the figure 1 .
  • the figure 5 represents a simplified perspective view of a third construction detail of the watch movement of the figure 1 .
  • the figure 1 represents a simplified front view of a watch movement according to a preferred embodiment of the present invention, in a bridge-side view.
  • the watch movement is intended for the design of a timepiece comprising a rotary dial (visible on the figure 4 ) and therefore comprises a drive device of this rotary dial, housed in the bottom of the timepiece, illustratively non-limiting.
  • the watch movement comprises a barrel 1 dedicated to driving the rotary dial and arranged substantially in the center of the movement.
  • the latter furthermore comprises a device for controlling the drive device of the dial, visible on the part to the left of the figure 1 , a winding device of the mainspring, visible on the right side of the figure 1 , as well as a safety device whose function will be explained later, in connection with the detailed description of the figure 5 .
  • a shaft 2 for transmitting the energy supplied by the barrel to drive the mobile dial in rotation is also visible in the upper right corner of the figure 1 .
  • the barrel 1 comprises a toothed drum 4 secured to the outer end of a barrel spring 5.
  • a winding ratchet (marked with the numeral 6 on the figure 2 ) is integral with the inner end of the mainspring.
  • a spring pawl 8 is arranged to prevent the winding ratchet from rotating in a clockwise direction, and to allow it to rotate in the anticlockwise rotation direction corresponding to the winding of the mainspring, in a conventional manner.
  • a first latch 10 whose operation will be explained later locks the drum 4 to prevent it from rotating in the direction of rotation anti-clockwise.
  • the winding device comprises a rack 12, actuated in translation by a pusher 14 intended to be itself actuated by a user, via an external pusher (not shown).
  • the pusher 14 is pivotally mounted on a bridge, by means of a screw 15.
  • the rack 12 has a toothing 19 arranged in engagement with a first wheel (reference numeral 94 on the figure 5 ) of a conventional unidirectional transmission device.
  • this first wheel transmits its rotational movements to a second wheel of the device only in one direction, here in the direction of rotation anti-clockwise, while it rotates empty in the direction of clockwise rotation.
  • the second wheel meshes with a pinion 21 of an adjacent return whose wheel 22 meshes with the winding ratchet 6.
  • control device intended to actuate the drive device of the rotary dial, will now be detailed in relation to the figures 2 and 3 , illustrating its construction in simplified perspective views respectively corresponding to first and second faces.
  • the control device comprises a pusher 24 rotatably mounted on the frame of the watch movement, by means of a screw 25.
  • the return spring 23 has two symmetrical arms and is arranged to act also on the pusher 24. The latter is intended to be actuated by a user, via a second external pusher (not shown).
  • the pusher 24 is integral with a control lever 26 comprising an arm 27 slightly bent and connected to a base 28, by means of a screw 29.
  • the base is pivotally mounted on the frame of the watch movement by a first screw 30, while being guided in its rotational movements by a second screw 32 fixed in the frame but arranged through a short slot 34.
  • the base 28 supports an actuating member 36 fixed on it by screws 38, tightened on screw feet and housed in slots adapted to the actuating member, allowing the latter to move in translation with reference at the base 28, between first and second positions, respectively active and inactive.
  • An elastic member 40 is also provided to apply a force on a finger 41 integral with the actuating member to tend to push it back into its active position, that is to say advanced relative to the base 28.
  • L elastic member 40 is mounted on a screw 42 integral with the base 28 to allow adjustment of the force it applies to the finger 41.
  • the actuating member 36 carries first and second fingers 44, 45 arranged to protrude from the face of the base 28 opposite that on the side of the arm 27. Each of the fingers has an end inclined relative to the direction moving the actuating member with reference to the base 28.
  • a pin 46 integral with the base 28, emerges between the two fingers 44, 45 to define a bearing surface intended to cooperate with an additional resilient member 48, mounted on the frame of the watch movement to apply a restoring force on the lever 26 and push it towards its rest position, that is to say towards the pusher 24.
  • the first and second fingers 44 and 45 are arranged to cooperate respectively with the first latch 10 and a second latch 50.
  • the first latch 10 comprises a board rotatably mounted on a shaft 52 integral with the frame of the watch movement, with the interposition of a helical spring 54 defining a damping function.
  • the board includes a first nose 56 intended to cooperate with the first finger 44, and a second nose 58 intended to cooperate with teeth 60 formed on a ring 62, integral with the drum 4 of the barrel 1, to lock the latter in the direction of rotation anti-clockwise on the view of the figure 1 , as previously stated.
  • the ring 62 has four teeth 60 regularly distributed. Thus, each time the drum is released, it performs a quarter turn. When it is desired that this rotation of the drum takes place at a high speed, the barrel spring 5 then being calibrated in a suitable manner, the shock resulting from the locking of the ring 62 by the cooperation between the spout 58 and a tooth 60 can be violent. Thus, mounting the first latch 10 on the frame via a damper limits the risk of premature wear constituents of the watch movement according to the present invention.
  • the barrel spring 5 has a high torque, it may be necessary to provide the second latch 50 to secure the locking of the drum 4 by the first latch 10, eliminating the risk of inadvertent release of the latter. Because of his In the arrangement, the second latch 50 prevents the first latch 10 from disengaging from the tooth 60 with which it is engaged without further external action.
  • the finger 45 of the actuating member 36 is intended to actuate the second latch 50 via an abutment surface 64 formed on the latter. More precisely, when the push-button 24 is actuated by a user, the base 28 of the lever 26 is rotated, as is the actuating member 36 whose fingers 44 and 45 act respectively on the first and second locks, the finger 45 acting on the second lock before the finger 44 acts on the first lock. Thus, the safety of the first latch is neutralized before it is actuated to release the barrel drum.
  • a return spring 66 having three arms acts on the first and second locks, to exert on them forces tending to position them in their active locking position, and on the pawl 8 of the winding ratchet, so known.
  • a first safety device is provided.
  • it has the form of a disengaging member 68 rotatably mounted on the frame of the watch movement, between the barrel drum and the lever 26.
  • the disengaging member 68 comprises a toothed pinion 70 integral with a cam 72, of oblong shape and arranged eccentrically with reference to the axis of rotation of the pinion gear.
  • the latter is dimensioned and toothed so that it turns on itself when the barrel 4 is a quarter turn.
  • the fingers release the two latches 10 and 50 during the rotation of the drum 4, even when the pusher 24 is held down by the user, ensuring in all cases the locking of the drum barrel after a predefined stroke, a quarter turn in the embodiment shown in a non-limiting manner.
  • the drum When the drum is released, it also drives a first transmission mobile 74 kinematically connected to a mobile, preferably display or contributing to the appearance of the room.
  • the figure 4 represents a simplified perspective view of a preferred embodiment of a watch mechanism that can be driven from the barrel drum whose behavior has just been described.
  • the first transmission mobile 74 is arranged in engagement with a second transmission mobile 76, itself engaged with a pinion 78 integral with the transmission shaft 2.
  • the corresponding timepiece comprises a mobile dial having at least one window or window that can take four different angular positions, with reference to the timepiece box , in order to provide four different appearances to the room and / or present different complications of which only one would be visible at a time.
  • a stabilizing member 86 may be provided, which comprises a roller 88 carried by the end of a spring 90.
  • the roller 88 is arranged to cooperate with a recess 92 formed in the ring 82 to each of the stable positions provided for the mobile dial.
  • the figure 5 represents a simplified perspective view of a part of the watchmaking movement of the figure 1 including construction details relating to an additional safety device, the purpose of which is in particular to ensure the maintenance of the indexing of the mobile dial with respect to the elements that it must make visible or conceal.
  • the energy stored in the barrel is sufficient to allow several successive activations of the dial between two pumping. It may be preferable to provide that the safety device prevents the user from unlocking the barrel drum if the residual energy of its spring is no longer sufficient to guarantee its movement a quarter of a turn, which could lead to a phase shift of the mobile dial.
  • the safety device comprises a differential gear 100, of which a first input wheel 101 has a kinematic connection with the winding ratchet 6 of the barrel, and a second input wheel 102 meshes directly with the drum 4 of the barrel.
  • barrel 1 The first wheel 101 is connected to the winding ratchet 6 via a reference 104 for rotating the first input wheel 101 in the direction required to ensure the proper operation of the differential gear.
  • the differential gear further has an output wheel 106 arranged in engagement with a gear train 108 for driving a first counting wheel 110 carrying a first cam 112, having substantially the shape of a disk portion, and a finger 114 adjacent to the cam.
  • the first counting mobile 110 cooperates with a second counting mobile 116 comprising a toothing (not visible), arranged to move a locking wheel 118 between two extreme positions, and a second cam 120 having at least partially the shape of a Maltese cross with at least two branches 122, here four.
  • the first cam 112 is arranged to cooperate with the free ends of the branches 122 to prevent rotation of the second counting wheel 116.
  • the finger 114 is intended to engage between two branches 122 of the second counting mobile 116 to drive the latter in rotation, in one direction or the other.
  • the toothing of the second counting mobile 116 is arranged in engagement with a rack (numerical reference 124 on the figure 1 ) to ensure the displacement of the locking wheel 118, either towards the first pusher 14 or towards the second pusher 24.
  • the locking mobile 118 carries first and second arms 126, 128 for cooperating respectively with the first and second pushers 14, 24 to ensure locking.
  • an action on the first pusher 14 has the effect of raising the spring 5 of the cylinder 1
  • an action on the second pusher 24 has the effect of releasing the drum 4 of the cylinder and thus at least partially unload the spring 5.
  • cam 112 also defines a stop for the first counting mobile 110 via the finger 114.
  • the user wishes to turn the mobile support 84 by a quarter of a turn, he actuates the second pusher 24. In doing so, he releases the drum 4 which rotates a quarter of a turn and causes the rotating the second input wheel 102 of the differential gear 100.
  • the rotation of the second wheel 102 causes a rotation of the first counting wheel 110 in the anti-clockwise direction of rotation.
  • the angle of rotation of the first counting mobile 110 is a function of the gear ratio introduced in particular by the gear train 108.
  • the first pusher 14 can again be operated once to raise the mainspring before being locked again.
  • the second pusher 24 can still be actuated several times before being locked by the second arm 128 of the locking wheel 118. More specifically, in the example illustrated here by way of non-limiting example, the second pusher 24 can still be operated three times before being locked.
  • the spring 5 may be calibrated in such a way that it makes it possible to actuate the support mobile 84 84 times.
  • the first counting mobile 110 would make only one half-turn at each turn. actuation of the second pusher 24 in place of a complete turn.
  • the arms 126, 128 are mounted on the locking wheel 118 with a slight play in rotation, springs 130 being provided to ensure their good cooperation with the pushers. More particularly, this construction makes it possible to guarantee a good positioning of the arms in their locking position. Indeed, when the mobile locking is placed in one or other of the locking positions, the push 14 or 24 corresponding is still actuated and is on the path of its locking arm 126 or 128. In this intermediate phase, the arm pivots by deforming its spring 130 until the pusher is released and allows the arm to be positioned in its locking position, under the effect of the spring.

Abstract

The device has a control lever acting on a lock (10) and comprising a base (28) susceptible to move with reference to a frame of a timepiece movement in response to predefined action of a user. An actuating member (36) is mounted to move on the base between active and inactive positions. An elastic member (40) is arranged to position the actuating member in the active position. A control device includes a clutch member (68) moved by displacements of a toothed drum (4) of a movable member and susceptible to act on the actuating member to move the clutch member into the inactive position. Independent claims are also included for the following: (1) a drive device for driving a mechanism of timepiece movement (2) a timepiece movement.

Description

Domaine techniqueTechnical area

La présente invention concerne un dispositif de commande, destiné à actionner un mécanisme d'un mouvement horloger comprenant au moins un mobile, comportant un levier agencé pour agir sur un premier verrou susceptible d'être déplacé entre des première et seconde positions respectives, en réponse à une action prédéfinie d'un utilisateur, pour au moins indirectement verrouiller et libérer le mobile. Le dispositif de commande comprend un premier organe élastique agencé pour tendre à positionner le premier verrou dans sa première position.The present invention relates to a control device, intended to actuate a mechanism of a watch movement comprising at least one mobile, comprising a lever arranged to act on a first lock that can be moved between first and second respective positions, in response to a predefined action of a user, to at least indirectly lock and release the mobile. The control device comprises a first resilient member arranged to tend to position the first latch in its first position.

Etat de la techniqueState of the art

De nombreux dispositifs de ce type ont déjà été divulgués. On pourra noter, par exemple, la structure d'un dispositif de commande mis en oeuvre en relation avec un mécanisme de chronographe, tel que décrit dans la demande de brevet EP 1310840 A1 .Many devices of this type have already been disclosed. It may be noted, for example, the structure of a control device implemented in connection with a chronograph mechanism, as described in the patent application. EP 1310840 A1 .

Ce mécanisme de chronographe comporte un marteau de remise à zéro des compteurs de secondes et de minutes chronométrées. Un organe élastique est prévu pour exercer une pression sur le marteau tendant à le positionner dans sa position active, dans laquelle il verrouille les compteurs de secondes et de minutes chronométrées. Le marteau porte un bec agencé pour coopérer avec les colonnes d'une roue à colonnes, permettant de soulever le marteau pour libérer les compteurs de secondes et de minutes et effectuer la mesure d'un intervalle de temps. Un levier dont les déplacements sont commandés à partir d'un organe de commande externe est agencé pour faire tourner la roue à colonnes et, notamment, pour libérer le marteau ou le soulever.This chronograph mechanism includes a reset hammer of the seconds and minutes timed counters. An elastic member is provided to exert a pressure on the hammer tending to position it in its active position, in which it locks the timed seconds and minutes counters. The hammer carries a spout arranged to cooperate with the columns of a column wheel, to raise the hammer to release the seconds and minutes counters and measure a time interval. A lever whose movements are controlled from an external control member is arranged to rotate the column wheel and, in particular, to release the hammer or lift.

Cependant, il faut noter que l'état du verrou décrit dans ce mécanisme, à savoir le marteau, dépend de l'état de la roue à colonnes. Deux actions successives de l'utilisateur sont nécessaires pour faire passer le marteau de son état de verrouillage à un état libre et inversement.However, it should be noted that the state of the lock described in this mechanism, namely the hammer, depends on the state of the column wheel. Two successive actions of the user are necessary to move the hammer from its locking state to a free state and vice versa.

Ainsi, un tel dispositif de commande n'est pas adapté pour mettre en oeuvre la commande de mécanismes horlogers nécessitant d'être libérés puis à nouveau verrouillés automatiquement, en réponse à une action unique de l'utilisateur.Thus, such a control device is not adapted to implement the control of clock mechanisms requiring to be released. then again locked automatically, in response to a single action of the user.

Certains mécanismes de chronographe présentent une structure différente permettant d'effectuer un "retour en vol" des compteurs de temps mesurés par actionnement de l'organe de remise à zéro. Dans ce cas, les compteurs sont maintenus à zéro par le marteau aussi longtemps que l'utilisateur maintient sa pression sur l'organe de commande externe de remise à zéro. Lorsque l'organe de remise à zéro est libéré, les compteurs de chronographe sont à nouveau libres de tourner. Toutefois, dans ce cas, la position du marteau au repos est sa position levée dans laquelle il n'agit pas sur les compteurs pour les verrouiller. Aussi, un organe additionnel spécifique de verrouillage des compteurs est nécessaire lorsqu'aucune mesure d'un intervalle de temps n'est en cours.Some chronograph mechanisms have a different structure for performing a "return flight" time meters measured by actuating the reset member. In this case, the counters are maintained at zero by the hammer as long as the user maintains his pressure on the external reset control member. When the reset member is released, the chronograph counters are again free to rotate. However, in this case, the position of the hammer at rest is its raised position in which it does not act on the counters to lock them. Also, a specific additional counter lock member is needed when no measure of a time interval is in progress.

Divulgation de l'inventionDisclosure of the invention

Un but principal de la présente invention est de proposer une alternative aux dispositifs de commande connus de l'art antérieur, en proposant un tel dispositif permettant, en réponse à une action prédéfinie d'un utilisateur, de désactiver un verrou agissant sur un mobile d'un mécanisme tout en le laissant reprendre sa position de verrouillage lorsque le verrouillage du mobile est à nouveau requis.A main object of the present invention is to propose an alternative to the control devices known from the prior art, by proposing such a device making it possible, in response to a predefined action of a user, to deactivate a lock acting on a mobile phone. a mechanism while allowing it to resume its locking position when the locking of the mobile is again required.

A cet effet, la présente invention concerne plus particulièrement un dispositif de commande du type mentionné plus haut, caractérisé par le fait que le levier comprend
une base, susceptible de se déplacer en référence au bâti du mouvement horloger en réponse à l'action prédéfinie,
un organe d'actionnement monté mobile sur la base, entre une position active et une position inactive,
ainsi qu'un second organe élastique agencé pour tendre à positionner l'organe d'actionnement dans sa position active.For this purpose, the present invention relates more particularly to a control device of the type mentioned above, characterized in that the lever comprises
a base, capable of moving with reference to the frame of the watch movement in response to the predefined action,
an actuator movably mounted on the base, between an active position and an inactive position,
and a second elastic member arranged to tend to position the actuating member in its active position.

Plus particulièrement, le dispositif de commande selon l'invention comprend en outre un organe de débrayage, destiné à être mis en mouvement par les déplacements du mobile du mécanisme et, susceptible d'agir sur l'organe d'actionnement et le déplacer dans sa position inactive.More particularly, the control device according to the invention further comprises a disengaging member, intended to be set in motion by the movements of the mobile mechanism and able to act on the actuating member and move in its inactive position.

Grâce à ces caractéristiques, ce dispositif de commande garantit un retour du premier verrou dans sa position de verrouillage, après qu'il ait libéré le mobile, pour verrouiller à nouveau ce dernier.Thanks to these characteristics, this control device ensures a return of the first lock in its locking position, after it has released the mobile, to lock the latter again.

La durée au cours de laquelle le verrou est inactif suite à l'action prédéfinie de l'utilisateur peut avantageusement être adaptée selon les besoins et en fonction de divers paramètres, comme par exemple un intervalle de temps prédéfini ou encore un déplacement spatial prédéfini d'un mobile.The duration during which the lock is inactive following the predefined action of the user can advantageously be adapted according to the needs and according to various parameters, such as for example a predefined time interval or a predefined spatial displacement of a mobile.

En particulier, on notera que le dispositif de commande selon la présente invention permet d'assurer le verrouillage du mobile après sa libération même dans le cas où un utilisateur exercerait une action prolongée sur l'organe de commande externe associé, qui maintiendrait le levier dans sa position active.In particular, it will be noted that the control device according to the present invention makes it possible to lock the mobile after its release even in the case where a user exerts a prolonged action on the associated external control member, which would maintain the lever in its active position.

De manière préférée, l'organe d'actionnement est agencé sur la base de manière à pouvoir se déplacer en translation en référence à cette dernière.Preferably, the actuating member is arranged on the base so as to move in translation with reference to the latter.

Par ailleurs, l'organe de débrayage est préférablement destiné à être monté pivotant sur le bâti du mouvement horloger, en étant entraîné au moins indirectement par le mobile du mécanisme, et comprend une came susceptible d'exercer une pression sur l'organe d'actionnement pour le déplacer dans sa position inactive suivant la position angulaire de l'organe d'embrayage.Furthermore, the disengaging member is preferably intended to be pivotally mounted on the frame of the watch movement, being driven at least indirectly by the mobile mechanism, and comprises a cam may exert pressure on the body of actuation to move it to its inactive position according to the angular position of the clutch member.

Ainsi, l'action du mobile de débrayage est directement liée à l'accomplissement d'une condition prédéfinie, ici un déplacement prédéfini du mobile du mécanisme libéré par le verrou.Thus, the action of the disengaging mobile is directly related to the fulfillment of a predefined condition, here a predefined movement of the mobile mechanism released by the lock.

Selon un mode de réalisation préféré, la base est destinée à être agencée pivotante sur le bâti du mouvement horloger, l'organe d'actionnement comprenant un premier doigt agencé pour faire pivoter le premier verrou en réponse à l'action prédéfinie.According to a preferred embodiment, the base is intended to be pivotally arranged on the frame of the watch movement, the actuating member comprising a first finger arranged to pivot the first lock in response to the predefined action.

La présente invention concerne également un dispositif d'entraînement d'un mécanisme pour mouvement horloger comprenant un dispositif de commande répondant aux caractéristiques qui viennent d'être exposées, le dispositif d'entraînement comportant un mobile denté agencé pour être verrouillé lorsque le premier verrou est dans sa première position et pour être libre de tourner lorsque le premier verrou est dans sa seconde position. Le mobile denté présente alors avantageusement une liaison cinématique avec l'organe de débrayage pour l'entraîner en rotation lorsqu'il est lui-même libre de tourner.The present invention also relates to a device for driving a mechanism for a watch movement comprising a control device corresponding to the characteristics which have just been exposed, the driving device comprising a toothed mobile arranged to be locked when the first lock is in its first position and to be free to turn when the first lock is in its second position. The toothed mobile then advantageously has a kinematic connection with the disengaging member to drive it in rotation when it is itself free to rotate.

Le mobile denté peut être un tambour de barillet portant une denture reliée cinématiquement à l'organe de débrayage, le tambour étant solidaire en rotation d'au moins une première dent susceptible de coopérer avec un bec de verrouillage du premier verrou.The toothed mobile may be a barrel drum bearing a toothing kinematically connected to the disengagement member, the drum being rotatably connected to at least one first tooth capable of cooperating with a locking nose of the first latch.

Grâce à ces caractéristiques, le barillet peut transmettre une quantité d'énergie prédéfinie et à la demande à un mécanisme horloger.Thanks to these characteristics, the barrel can transmit a predefined quantity of energy and on demand to a clock mechanism.

Dans ce cas, on peut prévoir que le premier verrou est destiné à être monté pivotant sur un arbre solidaire du bâti du mouvement horloger, un organe amortisseur étant agencé entre l'arbre et le premier verrou pour permettre à ce dernier de se déplacer également en translation en référence au bâti du mouvement horloger.In this case, it can be provided that the first lock is intended to be pivotally mounted on a shaft integral with the watch movement frame, a damping member being arranged between the shaft and the first lock to allow the latter to move also in translation with reference to the building of the watch movement.

Par ailleurs, la présente invention concerne également un mouvement horloger comportant un dispositif d'entraînement répondant aux caractéristiques ci-dessus ainsi qu'un dispositif de sécurité agencé pour verrouiller le dispositif de commande lorsque le niveau de charge du ressort du barillet est inférieur à une première valeur prédéfinie.Furthermore, the present invention also relates to a watch movement comprising a drive device meeting the above characteristics and a safety device arranged to lock the control device when the load level of the spring of the barrel is less than one. first predefined value.

Ce mouvement horloger peut également comporter un dispositif de remontage du ressort de barillet, le dispositif de sécurité étant également agencé pour verrouiller le dispositif de remontage lorsque le niveau de charge du ressort de barillet est supérieur à une seconde valeur prédéfinie.This clock movement may also include a device for winding the mainspring, the safety device being also arranged to lock the winding device when the load level of the mainspring is greater than a second preset value.

De manière préférée, le ressort de barillet présente une première extrémité solidaire du tambour de barillet et une seconde extrémité solidaire d'un rochet de remontage, le mécanisme de remontage pouvant comporter une crémaillère présentant une denture reliée cinématiquement au rochet de remontage.Preferably, the mainspring has a first end secured to the barrel drum and a second end integral with a winding ratchet, the winding mechanism may comprise a rack having a toothing kinematically connected to the winding ratchet.

La présente invention concerne également une pièce d'horlogerie comprenant un tel mouvement horloger ainsi qu'un organe mobile visible présentant une liaison cinématique avec le tambour de barillet, l'organe mobile étant par exemple un cadran rotatif.The present invention also relates to a timepiece comprising such a watch movement as well as a visible movable member having a kinematic connection with the barrel drum, the movable member being for example a rotary dial.

Brève description des dessinsBrief description of the drawings

D'autres caractéristiques et avantages de la présente invention apparaîtront plus clairement à la lecture de la description détaillée d'un mode de réalisation préféré qui suit, faite en référence aux dessins annexés donnés à titre d'exemples non limitatifs et dans lesquels:Other features and advantages of the present invention will appear more clearly on reading the detailed description of a preferred embodiment which follows, made with reference to the accompanying drawings given by way of non-limiting examples and in which:

- la figure 1 représente une vue de face simplifiée d'un mouvement horloger selon un mode de réalisation préféré de la présente invention, dans une vue côté ponts;- the figure 1 represents a simplified front view of a watch movement according to a preferred embodiment of the present invention, in a bridge side view;

- la figure 2 représente une vue en perspective simplifiée d'un premier détail de construction du mouvement horloger de la figure 1, vu depuis une première face;- the figure 2 represents a simplified perspective view of a first construction detail of the watchmaking movement of the figure 1 , seen from a first side;

- la figure 3 représente une vue en perspective simplifiée du détail de construction de la figure 2, vu depuis sa seconde face;- the figure 3 represents a simplified perspective view of the construction detail of the figure 2 seen from his second face;

- la figure 4 représente une vue en perspective simplifiée d'un second détail de construction du mouvement horloger de la figure 1, et- the figure 4 represents a simplified perspective view of a second construction detail of the watch movement of the figure 1 , and

- la figure 5 représente une vue en perspective simplifiée d'un troisième détail de construction du mouvement horloger de la figure 1.- the figure 5 represents a simplified perspective view of a third construction detail of the watch movement of the figure 1 .

Mode(s) de réalisation de l'inventionMode (s) of realization of the invention

La figure 1 représente une vue de face simplifiée d'un mouvement horloger selon un mode de réalisation préféré de la présente invention, dans une vue côté ponts.The figure 1 represents a simplified front view of a watch movement according to a preferred embodiment of the present invention, in a bridge-side view.

Selon le présent mode de réalisation, le mouvement horloger est destiné à la conception d'une pièce d'horlogerie comportant un cadran rotatif (visible sur la figure 4) et comprend de ce fait un dispositif d'entraînement de ce cadran rotatif, logé dans le fond de la pièce d'horlogerie, de manière illustrative non limitative.According to the present embodiment, the watch movement is intended for the design of a timepiece comprising a rotary dial (visible on the figure 4 ) and therefore comprises a drive device of this rotary dial, housed in the bottom of the timepiece, illustratively non-limiting.

Il apparaît de la figure 1 que le mouvement horloger comprend un barillet 1 dédié à l'entraînement du cadran rotatif et agencé sensiblement au centre du mouvement.It appears from the figure 1 that the watch movement comprises a barrel 1 dedicated to driving the rotary dial and arranged substantially in the center of the movement.

Ce dernier comporte par ailleurs un dispositif de commande du dispositif d'entraînement du cadran, visible sur la partie à gauche de la figure 1, un dispositif de remontage du ressort de barillet, visible sur la partie à droite de la figure 1, ainsi qu'un dispositif de sécurité dont la fonction sera exposée plus loin, en relation avec la description détaillée de la figure 5.The latter furthermore comprises a device for controlling the drive device of the dial, visible on the part to the left of the figure 1 , a winding device of the mainspring, visible on the right side of the figure 1 , as well as a safety device whose function will be explained later, in connection with the detailed description of the figure 5 .

Un arbre 2 de transmission de l'énergie fournie par le barillet pour entraîner le cadran mobile en rotation est également visible dans le coin supérieur droit de la figure 1.A shaft 2 for transmitting the energy supplied by the barrel to drive the mobile dial in rotation is also visible in the upper right corner of the figure 1 .

La construction du dispositif de remontage va être décrite plus en détail, à présent, en relation avec la figure 1.The construction of the winding device will be described in more detail, now, in connection with the figure 1 .

Le barillet 1 comporte un tambour 4 denté solidaire de l'extrémité externe d'un ressort 5 de barillet. Un rochet de remontage (repéré avec la référence numérique 6 sur la figure 2) est solidaire de l'extrémité interne du ressort de barillet. Un cliquet à ressort 8 est agencé pour empêcher le rochet de remontage de tourner dans le sens horaire, et le laisser libre de tourner dans le sens de rotation anti-horaire correspondant au remontage du ressort de barillet, de manière conventionnelle.The barrel 1 comprises a toothed drum 4 secured to the outer end of a barrel spring 5. A winding ratchet (marked with the numeral 6 on the figure 2 ) is integral with the inner end of the mainspring. A spring pawl 8 is arranged to prevent the winding ratchet from rotating in a clockwise direction, and to allow it to rotate in the anticlockwise rotation direction corresponding to the winding of the mainspring, in a conventional manner.

Par ailleurs, un premier verrou 10 dont le fonctionnement sera exposé plus loin verrouille le tambour 4 pour l'empêcher de tourner dans le sens de rotation anti-horaire.Furthermore, a first latch 10 whose operation will be explained later locks the drum 4 to prevent it from rotating in the direction of rotation anti-clockwise.

Le dispositif de remontage comprend une crémaillère 12, actionnée en translation par un poussoir 14 destiné à être lui-même actionné par un utilisateur, par l'intermédiaire d'un poussoir externe (non illustré). Le poussoir 14 est monté pivotant sur un pont, au moyen d'une vis 15.The winding device comprises a rack 12, actuated in translation by a pusher 14 intended to be itself actuated by a user, via an external pusher (not shown). The pusher 14 is pivotally mounted on a bridge, by means of a screw 15.

La crémaillère 12 présente une denture 19 agencée en prise avec une première roue (référence numérique 94 sur la figure 5) d'un dispositif de transmission unidirectionnelle 20 conventionnel. De manière connue, cette première roue ne transmet ses mouvements de rotation à une seconde roue du dispositif que dans un seul sens, ici dans le sens de rotation anti-horaire, tandis qu'elle tourne à vide dans le sens de rotation horaire.The rack 12 has a toothing 19 arranged in engagement with a first wheel (reference numeral 94 on the figure 5 ) of a conventional unidirectional transmission device. In a known manner, this first wheel transmits its rotational movements to a second wheel of the device only in one direction, here in the direction of rotation anti-clockwise, while it rotates empty in the direction of clockwise rotation.

La seconde roue engrène avec un pignon 21 d'un renvoi adjacent dont la roue 22 engrène avec le rochet de remontage 6.The second wheel meshes with a pinion 21 of an adjacent return whose wheel 22 meshes with the winding ratchet 6.

Ainsi, lorsque la crémaillère 12 est déplacée vers le haut de la figure 1, en réponse à une pression d'un utilisateur sur le poussoir externe correspondant, elle fait tourner le rochet de remontage dans le sens de rotation anti-horaire, pour recharger le ressort de barillet. Lorsque le poussoir externe est libéré par l'utilisateur, la crémaillère redescend, sous l'effet d'un ressort de rappel spécifique (référence numérique 23 sur la figure 2) sans entraîner le pignon 21, donc sans entraîner le rochet de remontage.So when the rack 12 is moved up the figure 1 in response to pressure from a user on the corresponding external pusher, it rotates the winding ratchet in the direction of anti-clockwise rotation, to reload the mainspring. When the external pusher is released by the user, the rack descends, under the effect of a specific return spring (reference numeral 23 on the figure 2 ) without driving the gear 21, so without driving the ratchet reassembly.

Le dispositif de commande selon la présente invention, destiné à actionner le dispositif d'entraînement du cadran rotatif, va à présent être détaillé en relation avec les figures 2 et 3, illustrant sa construction dans des vues en perspective simplifiées correspondant respectivement à des première et seconde faces.The control device according to the present invention, intended to actuate the drive device of the rotary dial, will now be detailed in relation to the figures 2 and 3 , illustrating its construction in simplified perspective views respectively corresponding to first and second faces.

Le dispositif de commande comporte un poussoir 24 monté rotatif sur le bâti du mouvement horloger, au moyen d'une vis 25. On notera que le ressort de rappel 23 présente deux bras symétriques et est agencé pour agir également sur le poussoir 24. Ce dernier est destiné à être actionné par un utilisateur, par l'intermédiaire d'un second poussoir externe (non illustré).The control device comprises a pusher 24 rotatably mounted on the frame of the watch movement, by means of a screw 25. Note that the return spring 23 has two symmetrical arms and is arranged to act also on the pusher 24. The latter is intended to be actuated by a user, via a second external pusher (not shown).

Le poussoir 24 est solidaire d'un levier de commande 26 comprenant un bras 27 légèrement coudé et relié à une base 28, au moyen d'une vis 29. La base est montée pivotante sur le bâti du mouvement horloger par une première vis 30, tout en étant guidée dans ses déplacements en rotation par une seconde vis 32 fixée dans le bâti mais disposée au travers d'une courte fente 34.The pusher 24 is integral with a control lever 26 comprising an arm 27 slightly bent and connected to a base 28, by means of a screw 29. The base is pivotally mounted on the frame of the watch movement by a first screw 30, while being guided in its rotational movements by a second screw 32 fixed in the frame but arranged through a short slot 34.

La base 28 supporte un organe d'actionnement 36 fixé sur elle par des vis 38, serrées sur des pieds-vis et, logées dans des fentes adaptées de l'organe d'actionnement, permettant à ce dernier de se déplacer en translation en référence à la base 28, entre des première et seconde positions, respectivement active et inactive. Un organe élastique 40 est par ailleurs prévu pour appliquer une force sur un doigt 41 solidaire de l'organe d'actionnement pour tendre à le repousser dans sa position active, c'est-à-dire avancée par rapport à la base 28. L'organe élastique 40 est monté sur une vis 42 solidaire de la base 28 pour permettre un ajustement de la force qu'il applique sur le doigt 41.The base 28 supports an actuating member 36 fixed on it by screws 38, tightened on screw feet and housed in slots adapted to the actuating member, allowing the latter to move in translation with reference at the base 28, between first and second positions, respectively active and inactive. An elastic member 40 is also provided to apply a force on a finger 41 integral with the actuating member to tend to push it back into its active position, that is to say advanced relative to the base 28. L elastic member 40 is mounted on a screw 42 integral with the base 28 to allow adjustment of the force it applies to the finger 41.

L'organe d'actionnement 36 porte des premier et second doigts 44, 45 disposés de manière à dépasser de la face de la base 28 opposée à celle située du côté du bras 27. Chacun des doigts présente une extrémité inclinée par rapport à la direction de déplacement de l'organe d'actionnement en référence à la base 28.The actuating member 36 carries first and second fingers 44, 45 arranged to protrude from the face of the base 28 opposite that on the side of the arm 27. Each of the fingers has an end inclined relative to the direction moving the actuating member with reference to the base 28.

Une goupille 46, solidaire de la base 28, émerge entre les deux doigts 44, 45 pour définir une surface d'appui destinée à coopérer avec un organe élastique supplémentaire 48, monté sur le bâti du mouvement horloger pour appliquer une force de rappel sur le levier 26 et le repousser vers sa position de repos, c'est-à-dire en direction du poussoir 24.A pin 46, integral with the base 28, emerges between the two fingers 44, 45 to define a bearing surface intended to cooperate with an additional resilient member 48, mounted on the frame of the watch movement to apply a restoring force on the lever 26 and push it towards its rest position, that is to say towards the pusher 24.

Les premier et second doigts 44 et 45 sont agencés pour coopérer respectivement avec le premier verrou 10 et un second verrou 50.The first and second fingers 44 and 45 are arranged to cooperate respectively with the first latch 10 and a second latch 50.

Le premier verrou 10 comporte une planche montée rotative sur un arbre 52 solidaire du bâti du mouvement horloger, avec interposition d'un ressort hélicoïdal 54 définissant une fonction d'amortisseur.The first latch 10 comprises a board rotatably mounted on a shaft 52 integral with the frame of the watch movement, with the interposition of a helical spring 54 defining a damping function.

La planche comprend un premier bec 56 destiné à coopérer avec le premier doigt 44, ainsi qu'un second bec 58 destiné à coopérer avec des dents 60 ménagées sur une bague 62, solidaire du tambour 4 du barillet 1, pour verrouiller ce dernier dans le sens de rotation anti-horaire sur la vue de la figure 1, tel qu'exposé précédemment.The board includes a first nose 56 intended to cooperate with the first finger 44, and a second nose 58 intended to cooperate with teeth 60 formed on a ring 62, integral with the drum 4 of the barrel 1, to lock the latter in the direction of rotation anti-clockwise on the view of the figure 1 , as previously stated.

Il ressort de la figure 3 que la bague 62 présente quatre dents 60 régulièrement réparties. Ainsi, à chaque fois que le tambour est libéré, il effectue un quart de tour. Lorsqu'il est souhaité que cette rotation du tambour ait lieu à grande vitesse, le ressort 5 de barillet étant alors calibré de manière adaptée, le choc issu du verrouillage de la bague 62 par la coopération entre le bec 58 et une dent 60 peut être violent. Ainsi, le fait de monter le premier verrou 10 sur le bâti par l'intermédiaire d'un amortisseur permet de limiter les risques d'usure prématurée des constituants du mouvement horloger selon la présente invention.It appears from figure 3 that the ring 62 has four teeth 60 regularly distributed. Thus, each time the drum is released, it performs a quarter turn. When it is desired that this rotation of the drum takes place at a high speed, the barrel spring 5 then being calibrated in a suitable manner, the shock resulting from the locking of the ring 62 by the cooperation between the spout 58 and a tooth 60 can be violent. Thus, mounting the first latch 10 on the frame via a damper limits the risk of premature wear constituents of the watch movement according to the present invention.

De même, lorsque le ressort 5 de barillet présente un couple important, il peut être nécessaire de prévoir le second verrou 50 pour sécuriser le verrouillage du tambour 4 par le premier verrou 10, en éliminant les risques de dégagement intempestif de ce dernier. Du fait de son agencement, le second verrou 50 empêche le premier verrou 10 de se dégager de la dent 60 avec laquelle il est en prise sans autre action extérieure.Similarly, when the barrel spring 5 has a high torque, it may be necessary to provide the second latch 50 to secure the locking of the drum 4 by the first latch 10, eliminating the risk of inadvertent release of the latter. Because of his In the arrangement, the second latch 50 prevents the first latch 10 from disengaging from the tooth 60 with which it is engaged without further external action.

Il apparaît de ce qui précède que le doigt 45 de l'organe d'actionnement 36 est destiné à actionner le second verrou 50 par l'intermédiaire d'une surface de butée 64 ménagée sur ce dernier. Plus précisément, lors de l'actionnement du poussoir 24 par un utilisateur, la base 28 du levier 26 est entraînée en rotation, de même que l'organe d'actionnement 36 dont les doigts 44 et 45 vont agir respectivement sur les premier et second verrous, le doigt 45 agissant sur le second verrou avant que le doigt 44 n'agisse sur le premier verrou. Ainsi, la sécurité du premier verrou est neutralisée avant qu'il ne soit actionné pour libérer le tambour de barillet.It appears from the above that the finger 45 of the actuating member 36 is intended to actuate the second latch 50 via an abutment surface 64 formed on the latter. More precisely, when the push-button 24 is actuated by a user, the base 28 of the lever 26 is rotated, as is the actuating member 36 whose fingers 44 and 45 act respectively on the first and second locks, the finger 45 acting on the second lock before the finger 44 acts on the first lock. Thus, the safety of the first latch is neutralized before it is actuated to release the barrel drum.

On notera qu'un ressort de rappel 66 présentant trois bras agit sur les premier et second verrous, pour exercer sur eux des forces tendant à les positionner dans leur position active de verrouillage, ainsi que sur le cliquet 8 du rochet de remontage, de manière connue.Note that a return spring 66 having three arms acts on the first and second locks, to exert on them forces tending to position them in their active locking position, and on the pawl 8 of the winding ratchet, so known.

Pour éviter que le premier verrou 10 ne reste dans sa position inactive, du fait d'une action prolongée de l'utilisateur sur le poussoir 24, c'est-à-dire lorsque la durée de cette action excède le temps nécessaire au tambour de barillet pour effectuer un quart de tour, un premier dispositif de sécurité est prévu. Celui-ci présente ici la forme d'un organe de débrayage 68 monté rotatif sur le bâti du mouvement horloger, entre le tambour de barillet et le levier 26.To prevent the first latch 10 remains in its inactive position, due to a prolonged action of the user on the pusher 24, that is to say when the duration of this action exceeds the time required for the drum. barrel to perform a quarter turn, a first safety device is provided. Here it has the form of a disengaging member 68 rotatably mounted on the frame of the watch movement, between the barrel drum and the lever 26.

L'organe de débrayage 68 comprend un pignon denté 70 solidaire d'une came 72, de forme oblongue et, agencée de manière excentrée en référence à l'axe de rotation du pignon denté. Ce dernier est dimensionné et denté de telle manière qu'il fait un tour sur lui-même lorsque le barillet 4 fait un quart de tour. Lorsque le tambour de barillet est libéré par le premier verrou 10, suite à une pression sur le poussoir 24, il entraîne l'organe de débrayage 68 en rotation, dont la came 72 agit sur l'organe d'actionnement 36 pour le repousser en direction de la base 28 et rétracter les premier et second doigts 44, 45. Grâce à cette construction, les doigts libèrent les deux verrous 10 et 50 pendant la rotation du tambour 4, même lorsque le poussoir 24 est maintenu enfoncé par l'utilisateur, garantissant dans tous les cas le verrouillage du tambour de barillet après une course prédéfinie, d'un quart de tour dans le mode de réalisation illustré à titre non limitatif.The disengaging member 68 comprises a toothed pinion 70 integral with a cam 72, of oblong shape and arranged eccentrically with reference to the axis of rotation of the pinion gear. The latter is dimensioned and toothed so that it turns on itself when the barrel 4 is a quarter turn. When the barrel drum is released by the first latch 10, following a pressure on the pusher 24, it drives the disengaging member 68 in rotation, the cam 72 acts on the actuating member 36 to push it back into position. direction of the base 28 and retract the first and second fingers 44, 45. With this construction, the fingers release the two latches 10 and 50 during the rotation of the drum 4, even when the pusher 24 is held down by the user, ensuring in all cases the locking of the drum barrel after a predefined stroke, a quarter turn in the embodiment shown in a non-limiting manner.

Lorsque le tambour est libéré, il entraîne également un premier mobile de transmission 74 relié cinématiquement à un mobile, préférablement d'affichage ou contribuant à l'apparence de la pièce.When the drum is released, it also drives a first transmission mobile 74 kinematically connected to a mobile, preferably display or contributing to the appearance of the room.

La figure 4 représente une vue en perspective simplifiée d'un exemple de réalisation préféré d'un mécanisme horloger qui peut être entraîné à partir du tambour de barillet dont le comportement vient d'être décrit.The figure 4 represents a simplified perspective view of a preferred embodiment of a watch mechanism that can be driven from the barrel drum whose behavior has just been described.

Le premier mobile de transmission 74 est agencé en prise avec un second mobile de transmission 76, lui-même en prise avec un pignon 78 solidaire de l'arbre 2 de transmission.The first transmission mobile 74 is arranged in engagement with a second transmission mobile 76, itself engaged with a pinion 78 integral with the transmission shaft 2.

Ce dernier porte un pignon supplémentaire 80 à son extrémité opposée, située du côté platine du mouvement horloger. Ce dernier est agencé en prise avec une bague dentée 82 destinée à être solidaire d'un mobile support 84, mobile en rotation et, destiné par exemple à porter un cadran. En particulier, on peut prévoir dans un mode de réalisation préféré que la pièce d'horlogerie correspondante comprend un cadran mobile présentant au moins un guichet ou une fenêtre qui peut prendre quatre positions angulaires différentes, en référence à la boîte de la pièce d'horlogerie, dans le but de procurer quatre apparences différentes à la pièce et/ou présenter des complications différentes dont une seule serait visible à la fois.The latter carries an additional pinion 80 at its opposite end, located on the platinum side of the watch movement. The latter is arranged in engagement with a toothed ring 82 intended to be integral with a mobile support 84, mobile in rotation and intended for example to carry a dial. In particular, it can be provided in a preferred embodiment that the corresponding timepiece comprises a mobile dial having at least one window or window that can take four different angular positions, with reference to the timepiece box , in order to provide four different appearances to the room and / or present different complications of which only one would be visible at a time.

Un exemple d'une telle pièce d'horlogerie est divulgué dans le brevet EP 1840680 B1 , au nom de la Demanderesse.An example of such a timepiece is disclosed in the patent EP 1840680 B1 , in the name of the Applicant.

A titre indicatif, un organe de stabilisation 86 peut être prévu, celui-ci comprenant un galet 88 porté par l'extrémité d'un ressort 90. Le galet 88 est agencé de manière à coopérer avec une creusure 92 ménagée dans la bague 82 pour chacune des positions stables prévues pour le cadran mobile.As an indication, a stabilizing member 86 may be provided, which comprises a roller 88 carried by the end of a spring 90. The roller 88 is arranged to cooperate with a recess 92 formed in the ring 82 to each of the stable positions provided for the mobile dial.

Bien entendu, le nombre de positions décrit pour le cadran mobile est indicatif et non limitatif. De manière avantageuse, il devrait pouvoir en prendre deux différentes au minimum, mais pourrait en présenter plus que quatre en alternative, sans sortir du cadre de l'invention.Of course, the number of positions described for the mobile dial is indicative and not limiting. Advantageously, he should be able to take two different at least, but could present more than four alternatives, without departing from the scope of the invention.

La figure 5 représente une vue en perspective simplifiée d'une partie du mouvement horloger de la figure 1 comportant des détails de construction relatifs à un dispositif de sécurité supplémentaire, dont le but est notamment de garantir le maintien de l'indexation du cadran mobile par rapport aux éléments qu'il doit rendre visibles ou dissimuler.The figure 5 represents a simplified perspective view of a part of the watchmaking movement of the figure 1 including construction details relating to an additional safety device, the purpose of which is in particular to ensure the maintenance of the indexing of the mobile dial with respect to the elements that it must make visible or conceal.

Suivant un mode de réalisation préféré de l'invention, on peut prévoir que l'énergie stockée dans le barillet est suffisante pour permettre plusieurs activations successives du cadran entre deux remontages. Il peut être préférable de prévoir que le dispositif de sécurité empêche l'utilisateur de déverrouiller le tambour de barillet si l'énergie résiduelle de son ressort n'est plus suffisante pour garantir son déplacement d'un quart de tour, ce qui pourrait conduire à un déphasage du cadran mobile.According to a preferred embodiment of the invention, it can be provided that the energy stored in the barrel is sufficient to allow several successive activations of the dial between two pumping. It may be preferable to provide that the safety device prevents the user from unlocking the barrel drum if the residual energy of its spring is no longer sufficient to guarantee its movement a quarter of a turn, which could lead to a phase shift of the mobile dial.

Dans ce but, le dispositif de sécurité comporte un engrenage différentiel 100, dont une première roue d'entrée 101 présente une liaison cinématique avec le rochet de remontage 6 du barillet et, une seconde roue d'entrée 102 engrène directement avec le tambour 4 du barillet 1. La première roue 101 est reliée au rochet de remontage 6 par l'intermédiaire d'un renvoi 104 permettant de faire tourner la première roue d'entrée 101 dans le sens requis pour assurer le bon fonctionnement de l'engrenage différentiel.For this purpose, the safety device comprises a differential gear 100, of which a first input wheel 101 has a kinematic connection with the winding ratchet 6 of the barrel, and a second input wheel 102 meshes directly with the drum 4 of the barrel. barrel 1. The first wheel 101 is connected to the winding ratchet 6 via a reference 104 for rotating the first input wheel 101 in the direction required to ensure the proper operation of the differential gear.

L'engrenage différentiel présente en outre une roue de sortie 106 agencée en prise avec un train d'engrenages 108 destiné à entraîner un premier mobile de comptage 110 portant une première came 112, présentant sensiblement la forme d'une portion de disque, et un doigt 114 adjacent à la came.The differential gear further has an output wheel 106 arranged in engagement with a gear train 108 for driving a first counting wheel 110 carrying a first cam 112, having substantially the shape of a disk portion, and a finger 114 adjacent to the cam.

Le premier mobile de comptage 110 coopère avec un second mobile de comptage 116 comprenant une denture (non visible), agencée pour déplacer un mobile de verrouillage 118 entre deux positions extrêmes, ainsi qu'une seconde came 120 présentant au moins partiellement la forme d'une croix de Malte à au moins deux branches 122, ici quatre.The first counting mobile 110 cooperates with a second counting mobile 116 comprising a toothing (not visible), arranged to move a locking wheel 118 between two extreme positions, and a second cam 120 having at least partially the shape of a Maltese cross with at least two branches 122, here four.

La première came 112 est agencée de manière à coopérer avec les extrémités libres des branches 122 pour empêcher une rotation du second mobile de comptage 116.The first cam 112 is arranged to cooperate with the free ends of the branches 122 to prevent rotation of the second counting wheel 116.

Le doigt 114 est destiné à s'engager entre deux branches 122 du second mobile de comptage 116 pour entraîner ce dernier en rotation, dans un sens ou dans l'autre.The finger 114 is intended to engage between two branches 122 of the second counting mobile 116 to drive the latter in rotation, in one direction or the other.

La denture du second mobile de comptage 116 est agencée en prise avec une crémaillère (référence numérique 124 sur la figure 1) pour assurer le déplacement du mobile de verrouillage 118, soit en direction du premier poussoir 14, soit en direction du second poussoir 24.The toothing of the second counting mobile 116 is arranged in engagement with a rack (numerical reference 124 on the figure 1 ) to ensure the displacement of the locking wheel 118, either towards the first pusher 14 or towards the second pusher 24.

Le mobile de verrouillage 118 porte des premier et second bras 126, 128 destinés à coopérer respectivement avec les premier et second poussoirs 14, 24, pour en assurer le verrouillage.The locking mobile 118 carries first and second arms 126, 128 for cooperating respectively with the first and second pushers 14, 24 to ensure locking.

Le fonctionnement du dispositif de sécurité va maintenant être exposé en relation avec la figure 1.The operation of the safety device will now be exposed in relation to the figure 1 .

Pour rappel, une action sur le premier poussoir 14 a pour effet de remonter le ressort 5 du barillet 1, tandis qu'une action sur le second poussoir 24 a pour effet de libérer le tambour 4 du barillet et donc de décharger au moins partiellement le ressort 5.As a reminder, an action on the first pusher 14 has the effect of raising the spring 5 of the cylinder 1, while an action on the second pusher 24 has the effect of releasing the drum 4 of the cylinder and thus at least partially unload the spring 5.

Dans la configuration illustrée sur la figure 1, on constate que le premier bras 126 du mobile de verrouillage 118 est disposé sur le trajet suivi par le premier poussoir 14 lorsqu'il est actionné. Par conséquent, le premier poussoir 14 est verrouillé dans cette configuration et ne peut pas être actionné par un utilisateur. Aussi, cette configuration correspond au remontage maximal du ressort 5 du barillet 1 et l'utilisateur ne peut pas le remonter davantage.In the configuration illustrated on the figure 1 it is found that the first arm 126 of the locking wheel 118 is disposed on the path followed by the first pusher 14 when actuated. Therefore, the first pusher 14 is locked in this configuration and can not be operated by a user. Also, this configuration corresponds to the maximum winding of the spring 5 of the cylinder 1 and the user can not reassemble more.

On notera par ailleurs que la came 112 définit également un arrêt pour le premier mobile de comptage 110 par l'intermédiaire du doigt 114.Note also that the cam 112 also defines a stop for the first counting mobile 110 via the finger 114.

Si, partant de cette configuration, l'utilisateur souhaite faire tourner le mobile support 84 d'un quart de tour, il actionne le second poussoir 24. Ce faisant, il libère le tambour 4 qui tourne d'un quart de tour et entraîne la rotation de la seconde roue d'entrée 102 de l'engrenage différentiel 100.If, based on this configuration, the user wishes to turn the mobile support 84 by a quarter of a turn, he actuates the second pusher 24. In doing so, he releases the drum 4 which rotates a quarter of a turn and causes the rotating the second input wheel 102 of the differential gear 100.

La rotation de la seconde roue 102 entraîne une rotation du premier mobile de comptage 110 dans le sens de rotation anti-horaire.The rotation of the second wheel 102 causes a rotation of the first counting wheel 110 in the anti-clockwise direction of rotation.

L'angle de rotation du premier mobile de comptage 110 est fonction de la démultiplication introduite notamment par le train d'engrenages 108.The angle of rotation of the first counting mobile 110 is a function of the gear ratio introduced in particular by the gear train 108.

Admettons, à titre d'exemple non limitatif et pour simplifier les présentes explications, qu'une rotation d'un quart de tour du tambour de barillet entraîne une rotation d'un tour complet du premier mobile de comptage 110. Dans ce cas, le doigt 114 pénètre dans l'espace situé entre deux branches 122 de la seconde came 120, lors de la fin de la course du premier mobile de comptage, pour faire tourner cette dernière d'un pas dans le sens horaire (le pas étant défini ici par les branches 122). La rotation du second mobile de comptage 116 dans le sens horaire induit un déplacement de la crémaillère 124 en direction du second poussoir 24, libérant ainsi le premier poussoir 14.As a nonlimiting example and to simplify the present explanations, let us suppose that a rotation of a quarter turn of the barrel drum causes rotation of a complete revolution of the first counting wheel 110. In this case, the finger 114 enters the space between two branches 122 of the second cam 120, at the end of the race of the first counting wheel, to rotate the latter in a clockwise direction (the step being defined here by branches 122). The rotation of the second counting wheel 116 in the clockwise direction causes the rack 124 to move towards the second pusher 24, thus releasing the first pusher 14.

A partir de là, le premier poussoir 14 peut à nouveau être actionné une fois pour remonter le ressort de barillet avant d'être à nouveau verrouillé.From there, the first pusher 14 can again be operated once to raise the mainspring before being locked again.

A l'inverse, le second poussoir 24 peut encore être actionné plusieurs fois avant d'être verrouillé par le second bras 128 du mobile de verrouillage 118. Plus précisément, dans l'exemple illustré ici à titre non limitatif, le second poussoir 24 peut encore être actionné trois fois avant d'être verrouillé.Conversely, the second pusher 24 can still be actuated several times before being locked by the second arm 128 of the locking wheel 118. More specifically, in the example illustrated here by way of non-limiting example, the second pusher 24 can still be operated three times before being locked.

Bien entendu, l'homme du métier ne rencontrera pas de difficulté particulière pour adapter le dispositif de sécurité aux propriétés du ressort 5 de barillet. On peut par exemple prévoir que le ressort 5 est calibré de telle manière qu'il permet d'actionner huit fois la rotation du mobile support 84. Dans ce cas, le premier mobile de comptage 110 ne ferait qu'un demi-tour à chaque actionnement du second poussoir 24 à la place d'un tour complet.Of course, those skilled in the art will not encounter any particular difficulty in adapting the safety device to the properties of the barrel spring. For example, provision may be made for the spring 5 to be calibrated in such a way that it makes it possible to actuate the support mobile 84 84 times. In this case, the first counting mobile 110 would make only one half-turn at each turn. actuation of the second pusher 24 in place of a complete turn.

On notera que les bras 126, 128 sont montés sur le mobile de verrouillage 118 en présentant un léger jeu en rotation, des ressorts 130 étant prévus pour assurer leur bonne coopération avec les poussoirs. Plus particulièrement, cette construction permet de garantir une bonne mise en place des bras dans leur position de verrouillage. En effet, lorsque le mobile de verrouillage vient se placer dans l'une ou l'autre des positions de verrouillage, le poussoir 14 ou 24 correspondant est encore actionné et se trouve sur le trajet de son bras de verrouillage 126 ou 128. Dans cette phase intermédiaire, le bras pivote en déformant son ressort 130 jusqu'à ce que le poussoir soit libéré et permette au bras de se positionner dans sa position de verrouillage, sous l'effet du ressort.Note that the arms 126, 128 are mounted on the locking wheel 118 with a slight play in rotation, springs 130 being provided to ensure their good cooperation with the pushers. More particularly, this construction makes it possible to guarantee a good positioning of the arms in their locking position. Indeed, when the mobile locking is placed in one or other of the locking positions, the push 14 or 24 corresponding is still actuated and is on the path of its locking arm 126 or 128. In this intermediate phase, the arm pivots by deforming its spring 130 until the pusher is released and allows the arm to be positioned in its locking position, under the effect of the spring.

La description qui précède s'attache à décrire un mode de réalisation particulier à titre d'illustration non limitative et, l'invention n'est pas limitée à la mise en oeuvre de certaines caractéristiques particulières qui viennent d'être décrites, comme par exemple le fait que le barillet est destiné à entraîner un cadran mobile, voire même le fait que le premier verrou coopère avec un barillet. En effet, il est possible de mettre en oeuvre la présente invention pour que le premier verrou agisse sur un mobile quelconque, de manière générale, pour l'empêcher de tourner, sans sortir du cadre de la présente invention. De manière similaire, les formes spécifiquement illustrées et décrites pour les différents constituants ne sont pas limitatives. A titre d'exemple, il est possible de prévoir que l'organe de débrayage n'agit que de façon indirecte sur l'organe d'actionnement. Par ailleurs, il est également possible de prévoir que les dents 60 coopérant avec le premier verrou ne soient pas réparties de manière régulière autour de la bague 62.The foregoing description attempts to describe a particular embodiment by way of non-limiting illustration and the invention is not limited to the implementation of certain particular features which have just been described, for example the fact that the barrel is intended to drive a mobile dial, or even the fact that the first latch cooperates with a barrel. Indeed, it is possible to implement the present invention so that the first latch acts on any mobile, in general, to prevent it from rotating, without departing from the scope of the present invention. Similarly, the forms specifically illustrated and described for the various constituents are not limiting. For example, it is possible to provide that the disengaging member acts only indirectly on the actuating member. Moreover, it is also possible to provide that the teeth 60 cooperating with the first latch are not evenly distributed around the ring 62.

L'homme du métier ne rencontrera pas de difficulté particulière pour adapter le contenu de la présente divulgation à ses propres besoins, et mettre en oeuvre un dispositif de commande ne reprenant qu'en partie les caractéristiques exposées ici, sans sortir du cadre de la présente invention.The person skilled in the art will not encounter any particular difficulty in adapting the content of the present disclosure to his own needs, and implement a control device that only partially reproduces the features set forth herein, without departing from the scope of this document. invention.

Bien entendu, si l'invention n'est pas limitée à la mise en oeuvre d'un barillet, elle n'est pas non plus limitée à la mise en oeuvre du mécanisme de remontage décrit et illustré et, encore moins à la mise en oeuvre du dispositif de sécurité, lorsqu'un barillet est concerné.Of course, if the invention is not limited to the implementation of a cylinder, it is not limited to the implementation of the winding mechanism described and illustrated and even less to the implementation of safety device, when a cylinder is concerned.

Claims (13)

Dispositif de commande, destiné à actionner un mécanisme (84) d'un mouvement horloger comprenant au moins un mobile (4), comportant
un levier (26) agencé pour agir sur un premier verrou (10) susceptible d'être déplacé entre des première et seconde positions respectives, en réponse à une action prédéfinie d'un utilisateur, pour au moins indirectement verrouiller et libérer le mobile (4) du mécanisme, et
un premier organe élastique (66) agencé pour tendre à positionner ledit premier verrou dans sa première position,
caractérisé en ce que ledit levier (26) comprend
une base (28), susceptible de se déplacer en référence au bâti du mouvement horloger en réponse à ladite action prédéfinie,
un organe d'actionnement (36) monté mobile sur ladite base (28), entre une position active et une position inactive,
ainsi qu'un second organe élastique (40) agencé pour tendre à positionner ledit organe d'actionnement (36) dans sa position active, et
en ce que le dispositif de commande comprend en outre un organe de débrayage (68), destiné à être mis en mouvement par les déplacements du mobile (4) du mécanisme et, susceptible d'agir sur ledit organe d'actionnement (36) et le déplacer dans sa position inactive.A control device for operating a mechanism (84) of a watch movement comprising at least one mobile (4), comprising
a lever (26) arranged to act on a first latch (10) movable between respective first and second positions, in response to a predefined action of a user, to at least indirectly lock and release the mobile (4); ) of the mechanism, and
a first elastic member (66) arranged to tend to position said first latch in its first position,
characterized in that said lever (26) comprises
a base (28), movable with reference to the frame of the watch movement in response to said predefined action,
an actuating member (36) movably mounted on said base (28) between an active position and an inactive position,
as well as a second elastic member (40) arranged to tend to position said actuating member (36) in its active position, and
in that the control device further comprises a disengaging member (68) intended to be set in motion by the movements of the mobile (4) of the mechanism and capable of acting on said actuating member (36) and move it to its inactive position. Dispositif de commande selon la revendication 1, caractérisé en ce que ledit organe d'actionnement (36) est agencé sur ladite base (28) de manière à pouvoir se déplacer en translation en référence à cette dernière.Control device according to claim 1, characterized in that said actuating member (36) is arranged on said base (28) so as to be able to move in translation with reference to the latter. Dispositif de commande selon la revendication 1 ou 2, caractérisé en ce que ledit organe de débrayage (68) est destiné à être monté pivotant sur le bâti du mouvement horloger, en étant entraîné au moins indirectement par le mobile (4) du mécanisme, et comprend une came (72) susceptible d'exercer une pression sur ledit organe d'actionnement (36) pour le déplacer dans sa position inactive suivant la position angulaire dudit organe d'embrayage (68).Control device according to claim 1 or 2, characterized in that said disengaging member (68) is intended to be pivotally mounted on the frame of the watch movement, being driven at least indirectly by the moving part (4) of the mechanism, and comprises a cam (72) capable of exerting pressure on said actuating member (36) to move it into its inactive position according to the angular position of said clutch member (68). Dispositif de commande selon l'une quelconque des revendications précédentes, caractérisé en ce que ladite base (28) est destinée à être agencée pivotante sur le bâti du mouvement horloger et en ce que ledit organe d'actionnement (36) comprend un premier doigt (44) agencé pour faire pivoter ledit premier verrou (10) en réponse à ladite action prédéfinie.Control device according to any one of the preceding claims, characterized in that said base (28) is intended to be pivotally arranged on the frame of the watch movement and in that said member actuator (36) includes a first finger (44) arranged to pivot said first latch (10) in response to said predefined action. Dispositif de commande selon la revendication 4, caractérisé en ce qu'il comprend en outre un verrou supplémentaire (50) agencé pour maintenir ledit premier verrou (10) dans ladite première position et, en ce que ledit organe d'actionnement (36) comprend un second doigt (45) agencé pour faire pivoter ledit second verrou (50) en réponse à ladite action prédéfinie, préalablement au pivotement dudit premier verrou (10), pour permettre à ce dernier de passer dans ladite seconde position.Control device according to claim 4, characterized in that it further comprises an additional latch (50) arranged to maintain said first latch (10) in said first position and, in that said actuating member (36) comprises a second finger (45) arranged to pivot said second latch (50) in response to said predefined action, prior to pivoting said first latch (10), to allow said first latch (10) to pass into said second position. Dispositif d'entraînement d'un mécanisme pour mouvement horloger comprenant un dispositif de commande selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il comporte un mobile denté (4) agencé pour être verrouillé lorsque ledit premier verrou (10) est dans sa première position et pour être libre de tourner lorsque ledit premier verrou est dans sa seconde position, ledit mobile denté (4) présentant en outre une liaison cinématique avec ledit organe de débrayage (68) pour l'entraîner en rotation lorsqu'il est lui-même libre de tourner.Device for driving a watch movement mechanism comprising a control device according to any one of the preceding claims, characterized in that it comprises a toothed wheel (4) arranged to be locked when said first lock (10) is in its first position and to be free to rotate when said first latch is in its second position, said toothed gear (4) further having a kinematic connection with said disengaging member (68) to drive it in rotation when it is himself free to turn. Dispositif selon la revendication 6, caractérisé en ce que ledit mobile denté est un tambour (4) de barillet (1), solidaire d'une extrémité d'un ressort (5) de barillet et, portant une denture reliée cinématiquement audit organe de débrayage (68), ledit tambour (4) étant solidaire en rotation d'au moins une première dent (60) susceptible de coopérer avec un bec (58) de verrouillage dudit premier verrou (10).Device according to claim 6, characterized in that said toothed mobile is a barrel (4) of barrel (1), integral with one end of a spring (5) of barrel and, bearing a toothing kinematically connected to said release member (68), said drum (4) being integral in rotation with at least one first tooth (60) capable of cooperating with a spout (58) for locking said first latch (10). Dispositif selon la revendication 7, caractérisé en ce que ledit premier verrou (10) est destiné à être monté pivotant sur un arbre (52) solidaire du bâti du mouvement horloger, un organe amortisseur (54) étant agencé entre ledit arbre (52) et ledit premier verrou (10) pour permettre à ce dernier de se déplacer également en translation en référence au bâti du mouvement horloger.Device according to claim 7, characterized in that said first latch (10) is intended to be pivotally mounted on a shaft (52) integral with the frame of the watch movement, a damping member (54) being arranged between said shaft (52) and said first latch (10) to allow the latter to also move in translation with reference to the frame of the watch movement. Mouvement horloger comportant un dispositif selon la revendication 7 ou 8, caractérisé en ce qu'il comporte en outre un dispositif de sécurité (110, 118) agencé pour verrouiller ledit dispositif de commande lorsque le niveau de charge du ressort dudit barillet (1) est inférieur à une première valeur prédéfinie.Clock movement comprising a device according to claim 7 or 8, characterized in that it further comprises a safety device (110, 118) arranged to lock said control device when the level of the spring load of said barrel (1) is less than a first predefined value. Mouvement horloger selon la revendication 9, caractérisé en ce qu'il comporte en outre un dispositif de remontage (12, 14) dudit ressort (5) dudit barillet (1) et en ce que ledit dispositif de sécurité (110, 118) est également agencé pour verrouiller ledit dispositif de remontage (12) lorsque le niveau de charge du ressort (5) dudit barillet (1) est supérieur à une seconde valeur prédéfinie.Clock movement according to claim 9, characterized in that it further comprises a winding device (12, 14) of said spring (5) of said barrel (1) and in that said safety device (110, 118) is also arranged to lock said winding device (12) when the load level of the spring (5) of said barrel (1) is greater than a second predefined value. Mouvement horloger selon la revendication 10, caractérisé en ce que ledit ressort (5) dudit barillet (1) présente une seconde extrémité solidaire d'un rochet de remontage (6) et, en ce que ledit dispositif de remontage comprend une crémaillère (12) présentant une denture reliée cinématiquement audit rochet de remontage (6).Clock movement according to claim 10, characterized in that said spring (5) of said barrel (1) has a second end integral with a winding ratchet (6) and, in that said winding device comprises a rack (12) having a toothing kinematically connected to said winding ratchet (6). Pièce d'horlogerie comportant un mouvement horloger selon l'une quelconque des revendications 9 à 11, caractérisée en ce qu'elle comporte un organe mobile (84), destiné à présenter un effet visuel et, présentant une liaison cinématique avec ledit tambour (4) dudit barillet (1).Timepiece comprising a watch movement according to any one of claims 9 to 11, characterized in that it comprises a movable member (84) intended to have a visual effect and having a kinematic connection with said drum (4). ) of said cylinder (1). Pièce d'horlogerie selon la revendication 12, caractérisé en ce que ledit organe mobile est un cadran rotatif (84).Timepiece according to claim 12, characterized in that said movable member is a rotary dial (84).
EP20110159130 2011-03-22 2011-03-22 Control device for clock movement Not-in-force EP2503408B1 (en)

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EP3361323A1 (en) * 2017-02-13 2018-08-15 Rolex Sa Winding system of a timepiece

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EP1708050A1 (en) * 2005-03-31 2006-10-04 Zenith International SA Timepiece with a minute-repeater mechanism
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