EP3407142A1 - Timepiece movement with stop second function - Google Patents

Timepiece movement with stop second function Download PDF

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Publication number
EP3407142A1
EP3407142A1 EP18171193.8A EP18171193A EP3407142A1 EP 3407142 A1 EP3407142 A1 EP 3407142A1 EP 18171193 A EP18171193 A EP 18171193A EP 3407142 A1 EP3407142 A1 EP 3407142A1
Authority
EP
European Patent Office
Prior art keywords
control lever
regulating member
movement according
arm
correction
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
EP18171193.8A
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German (de)
French (fr)
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EP3407142B1 (en
Inventor
Mohamed MAHLOUL
Aurélien BLONDEAU
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.)
Officine Panerai AG
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Officine Panerai AG
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Publication of EP3407142A1 publication Critical patent/EP3407142A1/en
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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
    • G04B27/00—Mechanical devices for setting the time indicating means
    • G04B27/005—Mechanical devices for setting the time indicating means stepwise or on determined values
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B27/00—Mechanical devices for setting the time indicating means
    • G04B27/001—Internal gear therefor, e.g. for setting the second hand or for setting several clockworks
    • 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
    • G04B19/02—Back-gearing arrangements between gear train and hands
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B27/00—Mechanical devices for setting the time indicating means
    • G04B27/004—Mechanical devices for setting the time indicating means having several simultaneous functions, e.g. stopping or starting the clockwork or the hands
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B27/00—Mechanical devices for setting the time indicating means
    • G04B27/02—Mechanical devices for setting the time indicating means by making use of the winding means

Definitions

  • the present invention relates to a watch movement with "second stop” function also sometimes called “stop balance”.
  • the watch movement is provided with a stop mechanism arranged to act on its regulating member to stop it on demand, in response to a predefined action of a user.
  • the invention also relates to a timepiece comprising such a watch movement.
  • Timepieces having this function stop balance have been known for a long time since including some pocket watches were already provided in the nineteenth century.
  • This function makes it possible, in particular, to make an adjustment to the second close to the timepiece, on the basis of a reference time signal, by stopping the regulating organ pacing the movements of the second and releasing it at the appropriate moment. .
  • the present invention relates to a watch movement of the type mentioned above further having a reset function of the display member of the second (or "reset second") associated with the second stop function.
  • reset second the display member of the second
  • Timepieces comprising the combination of these two functions are relatively rare but have already been performed before. This combination makes it possible to further simplify the time setting of the corresponding timepiece since it makes it possible to replace the display member of the second directly at zero in order to be able to release it at the top of a reference time signal. .
  • the patent US6,196,713 describes and illustrates an example of construction of a watch movement comprising a mechanism for implementing the combination of the two stop second and reset functions second.
  • This mechanism comprises a control lever operable by a user, via the winding and correction rod, to be moved between an active position, locking, and an inactive position, associated with the position of correction of the rod winding.
  • the control lever is arranged to neutralize in its active position, on the one hand, a rocker arm locking member and, on the other hand, a reset member of the display member of the second.
  • the mechanism further comprises a locking member of the second mobile, itself locked by the reset member when the latter is neutralized by the control lever.
  • the mechanism described in this patent comprises springs arranged to actuate the various locking and reset members when the control lever is moved to its inactive position and releases the latter to let them perform their respective functions.
  • a main object of the present invention is to propose a watch movement construction of the type which has just been described, presenting a minimum of modifications with reference to conventional constructions but making it possible to implement both the second stop function and the second reset function.
  • control mechanism according to the invention is clearly simplified with reference to the constructions of the prior art mentioned above.
  • the gain achieved relates to the number of components required, the corresponding size and the wear of the components involved which is less in the case of the invention since there are fewer intermediate transmission components than in the case of the prior art.
  • the positioning member of the seconds shaft comprises a cam whose angular position is linked to that of the seconds shaft, the second arm of the control lever carrying an actuating surface arranged so as to ability to exert a force directly on the cam and place it in a predefined angular position.
  • control lever is carried by a frame member of the watch movement so as to be able to move, preferably to pivot, from a first inactive position to a second active position in response to the adapted action of the the user, the first and second arms respectively interacting with the regulating member and the positioning member only in the active position of the control lever.
  • the watch movement typically comprising at least one display unit of a unit of the current time other than the second and a correction mechanism associated with this display mobile and comprising a movable correction rod in translation between a neutral position, and at least a first drawn position, setting time
  • the correction mechanism and the control lever are arranged in such a way that the control lever is in its inactive position when the correction rod is in its neutral position and is in its active position when the correction rod is in its first drawn position.
  • the time setting operation is simplified, by resetting the display member of the second and blocking the regulating member as soon as the correction rod is placed in its position of setting the time.
  • the correction mechanism and the control lever are arranged such that so that the control lever is in its inactive position when the correction rod is in its intermediate pulled position.
  • a pull tab is associated with the correction rod and that it has a kinematic connection with the control lever to control the position of the latter as a function of the position of the correction rod.
  • control lever comprises a base and that at least one of the first and second arms is connected to the base so as to be able to present an elastic deformation.
  • control lever is arranged to move substantially in a plane and that it comprises at least one guide surface arranged to cooperate with a guide member secured to the frame of the watch movement.
  • control lever comprises an elastic return member arranged in abutment against a fixed member of the frame of the watch movement so that this elastic return member exerts on the control lever a force tending to position it in its inactive position.
  • the present invention also relates to a timepiece comprising a box housing a watch movement corresponding to the above characteristics.
  • the figure 1 represents a simplified perspective view of a part of a watch movement according to a preferred embodiment of the invention. Only the elements necessary for a good understanding of the invention have been illustrated for the sake of clarity and brevity.
  • the watch movement comprises a conventional regulating member 1, here a balance 2 associated with a hairspring 4, having a periodic movement maintained by a source of mechanical energy (not shown) and intended to punctuate in particular the rotation of a display member of the second, here a needle 6, typically via an escapement (not shown).
  • the seconds hand 6 is carried by a seconds shaft 8 driven to the rhythm of the oscillations of the balance 2 by means of a seconds wheel 10, itself typically driven by the escape wheel.
  • a heart cam 12 whose function will be explained later is integral with the seconds shaft 8.
  • the watch movement partially illustrated in the figures comprises a control mechanism for implementing both a second stop function and a second reset function, as mentioned above.
  • control mechanism comprises an elongated and curved control lever.
  • the control lever 20 has a base 22 extending in or on the watch movement, preferably substantially in a mean plane of the movement and intended to allow the assembly of the control lever 20 to a frame element of the watch movement, by example a platinum (not visible).
  • the base 22 has a hole (reference 24 on the figure 2 ) through which is housed a span screw 26 screwed into the appropriate frame member.
  • the screw 26 defines at the same time an axis of rotation of the control lever 20 with reference to the frame of the watch movement as will be apparent from the following description.
  • the control lever 20 has a spout 28, at its end located near its axis of rotation, arranged to cooperate with a correction mechanism 30 of the watch movement.
  • the correction mechanism 30 comprises in particular a correction rod 32 intended to carry a crown (not shown) outside the box of the corresponding timepiece to allow a user to manipulate it to put the piece watchmaking and / or reassemble the source of mechanical energy.
  • the correction mechanism 30 also comprises a pull tab 34 associated with the correction rod 32 for controlling various mechanisms of the watch movement as a function of the axial position of the correction rod 32.
  • the correction rod 32 can occupy here three different axial positions, by way of nonlimiting illustration.
  • any axial displacement of the correction rod 32 involves a modification of the angular orientation of the pull tab 34 with reference to the frame of the watch movement. This behavior is used to control the control lever 20.
  • the pull tab 34 carries a stud 36 arranged to cooperate with the nozzle 28 of the control lever 20 in certain situations and in particular to rotate the latter in the direction anti-clockwise rotation in the figures when the correction rod 32 is pulled out of the box.
  • control lever 20 carries an elastic return member 38 having here simply the form of a straight spring by way of non-limiting example.
  • This spring is intended to be positioned in abutment against a fixed member (not visible, a stud or possibly an eccentric) integral with the frame of the watch movement, such that it exerts on the control lever 20 a force tending to do so. rotate in the clockwise direction in the figures.
  • control lever 20 is provided with one or more guide surfaces arranged to cooperate with integral guide members of the frame of the watch movement.
  • a first cut 40, open, and a second cut 42, closed, formed in the control lever 20 each being intended to cooperate with the head of a screw to reach 44 to carry a guide of the control lever 20 during its rotations.
  • the heads of the screws 44 also ensure that the movements of the control lever 20 are well in a plane here.
  • control lever 20 comprises first and second arms 46, 48 capable of interacting with, respectively, the rocker 2 and the core cam 12 of the second wheel.
  • the free end 50 of the first arm 46 has a bent shape, extending outside the general plane of the control lever 20 and defining a locking surface, to be applied against the beam of the beam 2 and to exert friction on this last to be able to immobilize it on demand.
  • the free end 52 of the second arm 48 has a substantially rectilinear actuating surface for exerting a force on the core cam 12 tending to rotate it to take a predefined angular orientation on demand, preferably associated with the zero position of the display member 6 of the second.
  • the first arm 46 has a reduced width with reference to the width of the base 22 of the control lever 20, which gives it a certain elasticity.
  • junction between the second arm 48 and the base 22 has a bend 54 also giving a certain elasticity to the second arm 48.
  • FIGS. 2 , 3 and 4 illustrate an alternative embodiment of the watch movement according to the invention, differing only from the embodiment which has just been described in connection with the figure 1 in that the second cutout 42 is open, thus giving greater elasticity to the first arm 46 of the control lever 20.
  • figures 2 , 3 and 4 illustrate three different respective configurations of the watch movement to allow to clearly expose the operation.
  • the watch movement may be such that the correction rod 32 can take at least two axial positions, a first for the reassembly of the mechanical energy source and a second for setting the time.
  • the correction rod 32 is capable of occupying three different axial positions: a first neutral position for the reassembly of the mechanical energy source, a first position drawn to perform the time setting of the d displaying the units of the current time other than the second and an intermediate drawn position, located between the neutral position and the first drawn position, intended for example to allow adjustment of the displayed value for the date.
  • the figure 1 illustrates the configuration of the watch movement corresponding to the reassembly of the source of mechanical energy.
  • control lever 20 occupies its inactive position under the effect of the action of its elastic return member 38.
  • the free end 50 of the first arm is located out of reach of the pendulum 2 which is therefore free to turn on itself.
  • the actuating surface of the second arm is located at a distance from the core cam 12, allowing the display member 6 of the second to rotate freely.
  • the free end 50 of the first arm 46 comes into contact with the periphery of the balance 2 and immobilizes it under the effect of the friction produced by the contact.
  • the actuating surface of the second arm 48 comes into contact with the core cam 12 and then exerts on it a pressure tending to rotate it to present its portion of the smallest radius opposite the surface of actuation, in known manner.
  • the display member 6 of the second is then preferably oriented according to its position associated with the zero value.
  • control lever may be made by stamping or by any other known and adapted manufacturing method, without departing from the scope of the invention.
  • Those skilled in the art will of course be able to adapt the nature of the movements of the control lever, as it moves between its inactive and active positions, according to its own needs without departing from the scope of the present invention.
  • control lever could be controlled from a mechanism other than the correction mechanism without departing from the scope of the invention, for example by a specific command.
  • the action of the control lever takes place directly on the balance (or other equivalent member), it can be done at any suitable place of the balance, preferably on its serge but possibly on the disk-shaped surface in the case of a solid rocker, disc-shaped, or possibly on the balance shaft when it is integral with the pendulum or other integral member of the balance, such as a surface of the plate or ferrule.
  • a watch movement comprising a control mechanism arranged to immobilize its regulating member and to place a display member of the second in a predefined position, at the request of a user.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)

Abstract

La présente invention concerne un mouvement horloger comportant un organe réglant (2, 4) rythmant les déplacements d'un arbre de secondes (8) destiné à porter un organe (6) d'affichage de la seconde, ainsi qu'un mécanisme de commande agencé pour immobiliser l'organe réglant (2, 4) et placer l'arbre de secondes (8) dans une position angulaire prédéfinie de manière simultanée, en réponse à une action d'un utilisateur, le mécanisme de commande comprenant un levier de commande (20) mobile présentant un premier bras (46) destiné à interagir avec l'organe réglant (2, 4) et un deuxième bras (48) destiné à interagir avec un organe de positionnement de l'arbre de secondes (8), le premier bras (46) portant une surface de verrouillage (50) agencée de manière à pouvoir se positionner en appui directement contre l'organe réglant (2, 4) ou sur un composant solidaire de l'organe réglant (2, 4) pour rendre ce dernier immobile en réponse à l'action adaptée.The present invention relates to a watch movement comprising a regulating member (2, 4) timing the movements of a second shaft (8) intended to carry a member (6) for displaying the second, as well as a control mechanism arranged to immobilize the regulating member (2, 4) and placing the seconds shaft (8) in a predefined angular position simultaneously, in response to an action of a user, the mechanism controller comprising a movable control lever (20) having a first arm (46) for interacting with the regulating member (2, 4) and a second arm (48) for interacting with a shaft positioning member seconds (8), the first arm (46) carrying a locking surface (50) arranged to be able to be positioned in abutment directly against the regulating member (2, 4) or on a component integral with the regulating member (2, 4) for make the latter motionless in response to the adapted action.

Description

Domaine techniqueTechnical area

La présente invention concerne un mouvement horloger à fonction "stop second" aussi appelée parfois "stop balancier". Pour assurer la mise en oeuvre de cette fonction, le mouvement horloger est muni d'un mécanisme d'arrêt agencé pour agir sur son organe réglant pour le stopper à la demande, en réponse à une action prédéfinie d'un utilisateur.The present invention relates to a watch movement with "second stop" function also sometimes called "stop balance". To ensure the implementation of this function, the watch movement is provided with a stop mechanism arranged to act on its regulating member to stop it on demand, in response to a predefined action of a user.

L'invention concerne également une pièce d'horlogerie comportant un tel mouvement horloger.The invention also relates to a timepiece comprising such a watch movement.

Etat de la techniqueState of the art

Des pièces d'horlogerie présentant cette fonction de stop balancier sont connues depuis longtemps puisque notamment certaines montres de poches en étaient déjà pourvues au XIXème siècle. Cette fonction permet notamment d'effectuer un réglage à la seconde près de la pièce d'horlogerie, sur la base d'un signal horaire de référence, en stoppant l'organe réglant rythmant les déplacements de la seconde et en le libérant au moment adéquat.Timepieces having this function stop balance have been known for a long time since including some pocket watches were already provided in the nineteenth century. This function makes it possible, in particular, to make an adjustment to the second close to the timepiece, on the basis of a reference time signal, by stopping the regulating organ pacing the movements of the second and releasing it at the appropriate moment. .

Plus précisément, la présente invention concerne un mouvement horloger du type mentionné plus haut présentant en outre une fonction de remise à zéro de l'organe d'affichage de la seconde (ou "reset second") associée à la fonction de stop second. Ainsi, lorsque l'arrêt de l'organe réglant est commandé, l'organe d'affichage de la seconde est simultanément remis à zéro.More specifically, the present invention relates to a watch movement of the type mentioned above further having a reset function of the display member of the second (or "reset second") associated with the second stop function. Thus, when the stop of the regulating member is controlled, the display member of the second is simultaneously reset.

Des pièces d'horlogerie comportant la combinaison de ces deux fonctions sont relativement rares mais ont déjà été réalisées auparavant. Cette combinaison permet de simplifier davantage la mise à l'heure de la pièce d'horlogerie correspondante puisqu'elle permet de replacer l'organe d'affichage de la seconde directement à zéro pour pouvoir le libérer au top d'un signal horaire de référence.Timepieces comprising the combination of these two functions are relatively rare but have already been performed before. This combination makes it possible to further simplify the time setting of the corresponding timepiece since it makes it possible to replace the display member of the second directly at zero in order to be able to release it at the top of a reference time signal. .

Le brevet US 6,196,713 décrit et illustre un exemple de construction d'un mouvement horloger comportant un mécanisme permettant la mise en oeuvre de la combinaison des deux fonctions de stop second et de reset second. Ce mécanisme comporte un levier de commande actionnable par un utilisateur, par l'intermédiaire de la tige de remontoir et de correction, pour être déplacé entre une position active, de verrouillage, et une position inactive, associée à la position de correction de la tige de remontoir. Le levier de commande est agencé pour neutraliser dans sa position active, d'une part, un organe de verrouillage du balancier et, d'autre part, un organe de remise à zéro de l'organe d'affichage de la seconde. Le mécanisme comprend en outre un organe de verrouillage du mobile de seconde, lui-même verrouillé par l'organe de remise à zéro lorsque ce dernier est neutralisé par le levier de commande. Le mécanisme décrit dans ce brevet comprend des ressorts agencés pour actionner les différents organes de verrouillage et de remise à zéro lorsque le levier de commande est déplacé dans sa position inactive et libère ces derniers pour les laisser remplir leurs fonctions respectives.The patent US6,196,713 describes and illustrates an example of construction of a watch movement comprising a mechanism for implementing the combination of the two stop second and reset functions second. This mechanism comprises a control lever operable by a user, via the winding and correction rod, to be moved between an active position, locking, and an inactive position, associated with the position of correction of the rod winding. The control lever is arranged to neutralize in its active position, on the one hand, a rocker arm locking member and, on the other hand, a reset member of the display member of the second. The mechanism further comprises a locking member of the second mobile, itself locked by the reset member when the latter is neutralized by the control lever. The mechanism described in this patent comprises springs arranged to actuate the various locking and reset members when the control lever is moved to its inactive position and releases the latter to let them perform their respective functions.

Si le mécanisme décrit dans ce brevet est flexible, en termes de réglages possibles, et présente un niveau élevé de précision dans les ajustements des différents composants impliqués et donc dans la chronologie des actionnements en jeu, il n'en n'est pas moins complexe à réaliser et à assembler et donc nécessairement coûteux. Ainsi, un tel type de mécanisme est réservé à des produits relativement exclusifs en termes de positionnement tarifaire. En outre, ce mécanisme compte un grand nombre de composants mobiles et de nombreuses interfaces entre eux impliquant une certaine usure dans le temps et nécessitant de ce fait un allongement du temps de travail de l'horloger lors des opérations de SAV.If the mechanism described in this patent is flexible, in terms of possible settings, and has a high level of precision in the adjustments of the various components involved and therefore in the chronology of the actuations involved, it is not less complex to make and assemble and therefore necessarily expensive. Thus, such a type of mechanism is reserved for relatively exclusive products in terms of tariff positioning. In addition, this mechanism has a large number of mobile components and many interfaces between them involving some wear over time and therefore requiring an extension of the working time of the watchmaker during after-sales operations.

La demande de brevet EP 3065004 A1 présente une construction alternative, pour un mécanisme de ce type, présentant des leviers distincts pour agir, d'une part, sur le balancier et, d'autre part, sur l'organe d'affichage de la seconde. Ces deux leviers sont commandés par une même roue à colonnes entraînée en rotation pas à pas par pressions sur la couronne de la pièce d'horlogerie correspondante. Si cette construction est différente de la première, elle n'en reste pas moins complexe.The patent application EP 3065004 A1 presents an alternative construction, for a mechanism of this type, having separate levers to act, on the one hand, on the balance and, on the other hand, on the display member of the second. These two levers are controlled by the same column wheel driven in rotation step by step on the crown of the corresponding timepiece. If this construction is different from the first, it remains complex.

Par conséquent, le besoin existe toujours de mettre au point un mécanisme qui permette de remplir à la fois la fonction de stop second et la fonction de reset second, mais présentant un bon compromis entre un niveau de précision satisfaisant et une complexité de réalisation raisonnable, impliquant un surcoût limité pour la pièce d'horlogerie correspondante et pour son entretien.Therefore, there is still a need to develop a mechanism to fulfill both the second stop function and the reset second, but having a good compromise between a satisfactory level of precision and a reasonable complexity of realization, implying a limited additional cost for the corresponding timepiece and for its maintenance.

Divulgation de l'inventionDisclosure of the invention

Un but principal de la présente invention est de proposer une construction de mouvement horloger du type qui vient d'être décrit, présentant un minimum de modifications en référence aux constructions conventionnelles mais permettant de mettre en oeuvre à la fois la fonction de stop second et la fonction de reset second.A main object of the present invention is to propose a watch movement construction of the type which has just been described, presenting a minimum of modifications with reference to conventional constructions but making it possible to implement both the second stop function and the second reset function.

A cet effet, la présente invention concerne plus particulièrement un mouvement horloger comportant

  • un organe réglant présentant un mouvement périodique, entretenu à partir d'une source d'énergie mécanique et rythmant les déplacements d'un arbre de secondes destiné à porter un organe d'affichage de la seconde,
  • ainsi qu'un mécanisme de commande agencé pour immobiliser l'organe réglant et placer l'arbre de secondes dans une position angulaire prédéfinie de manière sensiblement simultanée, en réponse à une action adaptée d'un utilisateur, le mécanisme de commande comprenant un levier de commande mobile présentant un premier bras destiné à interagir avec l'organe réglant et un deuxième bras destiné à interagir avec un organe de positionnement de l'arbre de secondes,
  • caractérisé par le fait que le premier bras porte une surface de verrouillage agencée de manière à pouvoir se positionner en appui directement contre l'organe réglant ou sur un composant solidaire de l'organe réglant pour rendre ce dernier immobile en réponse à l'action adaptée.
For this purpose, the present invention relates more particularly to a watch movement comprising
  • a regulating member having a periodic movement, maintained from a source of mechanical energy and timing the movements of a second shaft intended to carry a display member of the second,
  • and a control mechanism arranged to immobilize the regulating member and placing the seconds shaft in a predefined angular position substantially simultaneously, in response to a user-adapted action, the control mechanism comprising a control lever mobile control having a first arm intended to interact with the regulating member and a second arm intended to interact with a positioning member of the seconds tree,
  • characterized in that the first arm carries a locking surface arranged so as to be positioned in abutment directly against the regulating member or on a component integral with the regulating member to make the latter motionless in response to the appropriate action .

Grâce à ces caractéristiques, la construction du mécanisme de commande selon l'invention est nettement simplifiée en référence aux constructions de l'art antérieur mentionnées précédemment. Le gain réalisé porte sur le nombre de composants nécessaires, sur l'encombrement correspondant et sur l'usure des composants impliqués qui est moindre dans le cas de l'invention puisqu'il y a moins de composants intermédiaires de transmission que dans le cas de l'art antérieur.Thanks to these characteristics, the construction of the control mechanism according to the invention is clearly simplified with reference to the constructions of the prior art mentioned above. The gain achieved relates to the number of components required, the corresponding size and the wear of the components involved which is less in the case of the invention since there are fewer intermediate transmission components than in the case of the prior art.

De manière avantageuse, l'organe de positionnement de l'arbre de secondes comporte une came dont la position angulaire est liée à celle de l'arbre de secondes, le deuxième bras du levier de commande portant une surface d'actionnement agencée de manière à pouvoir exercer une force directement sur la came et la placer dans une position angulaire prédéfinie.Advantageously, the positioning member of the seconds shaft comprises a cam whose angular position is linked to that of the seconds shaft, the second arm of the control lever carrying an actuating surface arranged so as to ability to exert a force directly on the cam and place it in a predefined angular position.

Ainsi, le nombre de composants nécessaires est encore réduit en référence aux constructions de l'art antérieur, par action directe du levier de commande sur la came de positionnement, cette dernière étant en outre directement solidaire de l'arbre de secondes de manière avantageuse.Thus, the number of components required is further reduced with reference to the constructions of the prior art, by direct action of the control lever on the positioning cam, the latter being further directly secured to the seconds shaft advantageously.

Selon un mode de réalisation préféré, le levier de commande est porté par un élément de bâti du mouvement horloger de manière à pouvoir se déplacer, préférablement pivoter, depuis une première position inactive vers une deuxième position active en réponse à l'action adaptée de l'utilisateur, les premier et deuxième bras interagissant respectivement avec l'organe réglant et l'organe de positionnement uniquement dans la position active du levier de commande.According to a preferred embodiment, the control lever is carried by a frame member of the watch movement so as to be able to move, preferably to pivot, from a first inactive position to a second active position in response to the adapted action of the the user, the first and second arms respectively interacting with the regulating member and the positioning member only in the active position of the control lever.

En outre, le mouvement horloger comportant typiquement au moins un mobile d'affichage d'une unité de l'heure courante autre que la seconde ainsi qu'un mécanisme de correction associé à ce mobile d'affichage et comprenant une tige de correction mobile en translation entre une position neutre, et au moins une première position tirée, de mise à l'heure, on peut avantageusement prévoir que le mécanisme de correction et le levier de commande soient agencés de telle manière que le levier de commande soit dans sa position inactive lorsque la tige de correction est dans sa position neutre et qu'il soit dans sa position active lorsque la tige de correction est dans sa première position tirée.In addition, the watch movement typically comprising at least one display unit of a unit of the current time other than the second and a correction mechanism associated with this display mobile and comprising a movable correction rod in translation between a neutral position, and at least a first drawn position, setting time, it is advantageously provided that the correction mechanism and the control lever are arranged in such a way that the control lever is in its inactive position when the correction rod is in its neutral position and is in its active position when the correction rod is in its first drawn position.

Grâce à ces caractéristiques, l'opération de mise à l'heure est simplifiée, par remise à zéro de l'organe d'affichage de la seconde et blocage de l'organe réglant aussitôt que la tige de correction est placée dans sa position de mise à l'heure.Thanks to these characteristics, the time setting operation is simplified, by resetting the display member of the second and blocking the regulating member as soon as the correction rod is placed in its position of setting the time.

Suivant une variante de réalisation, lorsque la tige de correction est susceptible d'occuper une position tirée intermédiaire, située entre la position neutre et la première position tirée, on peut préférablement prévoir que le mécanisme de correction et le levier de commande soient agencés de telle manière que le levier de commande soit dans sa position inactive lorsque la tige de correction est dans sa position tirée intermédiaire.According to an alternative embodiment, when the correction rod is likely to occupy an intermediate pulled position, located between the neutral position and the first pulled position, it is preferable to provide that the correction mechanism and the control lever are arranged such that so that the control lever is in its inactive position when the correction rod is in its intermediate pulled position.

On peut en outre prévoir qu'une tirette soit associée à la tige de correction et qu'elle présente une liaison cinématique avec le levier de commande pour commander la position de ce dernier en fonction de la position de la tige de correction.It can further be provided that a pull tab is associated with the correction rod and that it has a kinematic connection with the control lever to control the position of the latter as a function of the position of the correction rod.

Selon des caractéristiques préférées supplémentaires de la présente invention, on peut également prévoir que le levier de commande comporte une base et qu'au moins l'un des premier et deuxième bras soit relié à la base de manière à pouvoir présenter une déformation élastique.According to additional preferred features of the present invention, it is also possible that the control lever comprises a base and that at least one of the first and second arms is connected to the base so as to be able to present an elastic deformation.

Par ailleurs, on peut également prévoir que le levier de commande soit agencé pour se déplacer sensiblement dans un plan et qu'il comprenne au moins une surface de guidage agencée pour coopérer avec un organe de guidage solidaire du bâti du mouvement horloger.Furthermore, it is also possible that the control lever is arranged to move substantially in a plane and that it comprises at least one guide surface arranged to cooperate with a guide member secured to the frame of the watch movement.

De plus, il est envisageable de prévoir que le levier de commande comporte un organe élastique de rappel agencé en butée contre un organe fixe du bâti du mouvement horloger de telle manière que cet organe élastique de rappel exerce sur le levier de commande une force tendant à le positionner dans sa position inactive.In addition, it is conceivable to provide that the control lever comprises an elastic return member arranged in abutment against a fixed member of the frame of the watch movement so that this elastic return member exerts on the control lever a force tending to position it in its inactive position.

La présente invention concerne également une pièce d'horlogerie comportant une boite logeant un mouvement horloger répondant aux caractéristiques qui précèdent.The present invention also relates to a timepiece comprising a box housing a watch movement corresponding to the above characteristics.

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:

  • la figure 1 représente une vue en perspective simplifiée d'une partie d'un mouvement horloger selon un mode de réalisation préféré de l'invention;
  • la figure 2 représente une vue de face simplifiée d'une partie d'un mouvement horloger suivant une variante de réalisation, dans une première configuration;
  • la figure 3 représente une vue similaire à la vue de la figure 2, dans une deuxième configuration, et
  • la figure 4 représente une vue similaire à la vue de la figure 2, dans une troisième configuration.
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:
  • the figure 1 represents a simplified perspective view of a part of a watch movement according to a preferred embodiment of the invention;
  • the figure 2 represents a simplified front view of a part of a watch movement according to an embodiment variant, in a first configuration;
  • the figure 3 represents a view similar to the view of the figure 2 in a second configuration, and
  • the figure 4 represents a view similar to the view of the figure 2 in a third configuration.

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

La figure 1 représente une vue en perspective simplifiée d'une partie d'un mouvement horloger selon un mode de réalisation préféré de l'invention. Seuls les éléments nécessaires à la bonne compréhension de l'invention ont été illustrés dans un souci de clarté et de concision.The figure 1 represents a simplified perspective view of a part of a watch movement according to a preferred embodiment of the invention. Only the elements necessary for a good understanding of the invention have been illustrated for the sake of clarity and brevity.

Le mouvement horloger comporte un organe réglant conventionnel 1, ici un balancier 2 associé à un spiral 4, présentant un mouvement périodique entretenu par une source d'énergie mécanique (non représentée) et destiné à rythmer notamment la rotation d'un organe d'affichage de la seconde, ici une aiguille 6, typiquement par l'intermédiaire d'un échappement (non représenté).The watch movement comprises a conventional regulating member 1, here a balance 2 associated with a hairspring 4, having a periodic movement maintained by a source of mechanical energy (not shown) and intended to punctuate in particular the rotation of a display member of the second, here a needle 6, typically via an escapement (not shown).

L'aiguille des secondes 6 est portée par un arbre de secondes 8 entraîné au rythme des oscillations du balancier 2 par l'intermédiaire d'une roue de secondes 10, elle-même typiquement entraînée par la roue d'échappement.The seconds hand 6 is carried by a seconds shaft 8 driven to the rhythm of the oscillations of the balance 2 by means of a seconds wheel 10, itself typically driven by the escape wheel.

Une came en coeur 12 dont la fonction sera exposée plus loin est solidaire de l'arbre de secondes 8.A heart cam 12 whose function will be explained later is integral with the seconds shaft 8.

Conformément à la présente invention, le mouvement horloger partiellement illustré sur les figures comporte un mécanisme de commande permettant de mettre en oeuvre à la fois une fonction de stop second et une fonction de reset second, comme mentionné plus haut.According to the present invention, the watch movement partially illustrated in the figures comprises a control mechanism for implementing both a second stop function and a second reset function, as mentioned above.

A cet effet, le mécanisme de commande comprend un levier de commande 20 allongé et incurvé.For this purpose, the control mechanism comprises an elongated and curved control lever.

Le levier de commande 20 présente une base 22 s'étendant dans ou sur le mouvement horloger, de préférence sensiblement dans un plan moyen du mouvement et destinée à permettre l'assemblage du levier de commande 20 à un élément de bâti du mouvement horloger, par exemple une platine (non visible).The control lever 20 has a base 22 extending in or on the watch movement, preferably substantially in a mean plane of the movement and intended to allow the assembly of the control lever 20 to a frame element of the watch movement, by example a platinum (not visible).

A cet effet, la base 22 présente un trou (référence 24 sur la figure 2) au travers duquel est logée une vis à portée 26 vissée dans l'élément de bâti adéquat. La vis 26 définit dans le même temps un axe de rotation du levier de commande 20 en référence au bâti du mouvement horloger comme cela ressortira de la suite de la description.For this purpose, the base 22 has a hole (reference 24 on the figure 2 ) through which is housed a span screw 26 screwed into the appropriate frame member. The screw 26 defines at the same time an axis of rotation of the control lever 20 with reference to the frame of the watch movement as will be apparent from the following description.

Le levier de commande 20 présente un bec 28, à son extrémité située à proximité de son axe de rotation, agencé pour coopérer avec un mécanisme de correction 30 du mouvement horloger. Plus précisément, le mécanisme de correction 30 comprend notamment une tige de correction 32 destinée à porter une couronne (non illustrée) à l'extérieur de la boite de la pièce d'horlogerie correspondante pour permettre à un utilisateur de la manipuler pour mettre la pièce d'horlogerie à l'heure et/ou de remonter la source d'énergie mécanique.The control lever 20 has a spout 28, at its end located near its axis of rotation, arranged to cooperate with a correction mechanism 30 of the watch movement. More specifically, the correction mechanism 30 comprises in particular a correction rod 32 intended to carry a crown (not shown) outside the box of the corresponding timepiece to allow a user to manipulate it to put the piece watchmaking and / or reassemble the source of mechanical energy.

De manière conventionnelle, le mécanisme de correction 30 comprend également une tirette 34 associée à la tige de correction 32 pour commander divers mécanismes du mouvement horloger en fonction de la position axiale de la tige de correction 32. En effet, comme cela va ressortir de la description détaillée des figures 2 à 4, la tige de correction 32 peut occuper ici trois positions axiales différentes, à titre illustratif non limitatif.Conventionally, the correction mechanism 30 also comprises a pull tab 34 associated with the correction rod 32 for controlling various mechanisms of the watch movement as a function of the axial position of the correction rod 32. Indeed, as will emerge from the detailed description of Figures 2 to 4 , the correction rod 32 can occupy here three different axial positions, by way of nonlimiting illustration.

Tout déplacement axial de la tige de correction 32 implique une modification de l'orientation angulaire de la tirette 34 en référence au bâti du mouvement horloger. Ce comportement est mis à profit pour commander le levier de commande 20. En particulier, la tirette 34 porte un plot 36 agencé pour pouvoir coopérer avec le bec 28 du levier de commande 20 dans certaines situations et notamment pour faire pivoter ce dernier dans le sens de rotation anti-horaire sur les figures lorsque la tige de correction 32 est tirée vers l'extérieur de la boite.Any axial displacement of the correction rod 32 involves a modification of the angular orientation of the pull tab 34 with reference to the frame of the watch movement. This behavior is used to control the control lever 20. In particular, the pull tab 34 carries a stud 36 arranged to cooperate with the nozzle 28 of the control lever 20 in certain situations and in particular to rotate the latter in the direction anti-clockwise rotation in the figures when the correction rod 32 is pulled out of the box.

Par ailleurs, le levier de commande 20 porte un organe élastique de rappel 38 présentant ici simplement la forme d'un ressort droit à titre d'exemple non limitatif. Ce ressort est destiné à être positionné en butée contre un organe fixe (non visible; un plot ou éventuellement un excentrique) solidaire du bâti du mouvement horloger, de telle manière qu'il exerce sur le levier de commande 20 une force tendant à le faire pivoter dans le sens de rotation horaire sur les figures.Furthermore, the control lever 20 carries an elastic return member 38 having here simply the form of a straight spring by way of non-limiting example. This spring is intended to be positioned in abutment against a fixed member (not visible, a stud or possibly an eccentric) integral with the frame of the watch movement, such that it exerts on the control lever 20 a force tending to do so. rotate in the clockwise direction in the figures.

De manière avantageuse, le levier de commande 20 est pourvu d'une ou plusieurs surfaces de guidage agencées pour coopérer avec des organes de guidage solidaires du bâti du mouvement horloger. A titre d'exemple non limitatif, on a représenté sur les figures une première découpe 40, ouverte, et une deuxième découpe 42, fermée, ménagée dans le levier de commande 20, chacune étant destinée à coopérer avec la tête d'une vis à portée 44 pour réaliser un guidage du levier de commande 20 lors de ses rotations. Bien entendu, les têtes des vis 44 assurent également que les déplacements du levier de commande 20 se fassent bien dans un plan ici.Advantageously, the control lever 20 is provided with one or more guide surfaces arranged to cooperate with integral guide members of the frame of the watch movement. By way of non-limiting example, there is shown in the figures a first cut 40, open, and a second cut 42, closed, formed in the control lever 20, each being intended to cooperate with the head of a screw to reach 44 to carry a guide of the control lever 20 during its rotations. Of course, the heads of the screws 44 also ensure that the movements of the control lever 20 are well in a plane here.

Enfin, le levier de commande 20 comporte des premier et deuxième bras 46, 48 susceptibles d'interagir avec, respectivement, le balancier 2 et la came en coeur 12 du mobile de seconde.Finally, the control lever 20 comprises first and second arms 46, 48 capable of interacting with, respectively, the rocker 2 and the core cam 12 of the second wheel.

L'extrémité libre 50 du premier bras 46 présente une forme coudée, s'étendant en dehors du plan général du levier de commande 20 et définissant une surface de verrouillage, pour pouvoir être appliquée contre la serge du balancier 2 et exercer des frottements sur ce dernier pour pouvoir l'immobiliser à la demande.The free end 50 of the first arm 46 has a bent shape, extending outside the general plane of the control lever 20 and defining a locking surface, to be applied against the beam of the beam 2 and to exert friction on this last to be able to immobilize it on demand.

L'extrémité libre 52 du deuxième bras 48 présente une surface d'actionnement sensiblement rectiligne destinée à exercer une force sur la came en coeur 12 tendant à la faire tourner pour prendre une orientation angulaire prédéfinie à la demande, associée préférablement à la position zéro de l'organe 6 d'affichage de la seconde.The free end 52 of the second arm 48 has a substantially rectilinear actuating surface for exerting a force on the core cam 12 tending to rotate it to take a predefined angular orientation on demand, preferably associated with the zero position of the display member 6 of the second.

Le premier bras 46 présente une largeur réduite en référence à la largeur de la base 22 du levier de commande 20, ce qui lui confère une certaine élasticité.The first arm 46 has a reduced width with reference to the width of the base 22 of the control lever 20, which gives it a certain elasticity.

Par ailleurs, la jonction entre le deuxième bras 48 et la base 22 présente un coude 54 conférant également une certaine élasticité au deuxième bras 48.Furthermore, the junction between the second arm 48 and the base 22 has a bend 54 also giving a certain elasticity to the second arm 48.

Les figures 2, 3 et 4 illustrent une variante de réalisation du mouvement horloger selon l'invention, différant uniquement du mode de réalisation qui vient d'être décrit en relation avec la figure 1 par le fait que la deuxième découpe 42 est ouverte, conférant ainsi une plus grande élasticité au premier bras 46 du levier de commande 20. Les figures 2, 3 et 4 illustrent trois configurations respectives différentes du mouvement horloger pour permettre d'en exposer clairement le fonctionnement.The figures 2 , 3 and 4 illustrate an alternative embodiment of the watch movement according to the invention, differing only from the embodiment which has just been described in connection with the figure 1 in that the second cutout 42 is open, thus giving greater elasticity to the first arm 46 of the control lever 20. figures 2 , 3 and 4 illustrate three different respective configurations of the watch movement to allow to clearly expose the operation.

Le mouvement horloger peut être tel que la tige de correction 32 puisse prendre au moins deux positions axiales, une première pour le remontage de la source d'énergie mécanique et une deuxième pour la mise à l'heure. Selon la variante illustrée, la tige de correction 32 est susceptible d'occuper trois positions axiales différentes: une première position neutre pour le remontage de la source d'énergie mécanique, une première position tirée pour effectuer la mise à l'heure des organes d'affichage des unités de l'heure courante autres que la seconde et une position tirée intermédiaire, située entre la position neutre et la première position tirée, destinée par exemple à permettre un réglage de la valeur affichée pour le quantième.The watch movement may be such that the correction rod 32 can take at least two axial positions, a first for the reassembly of the mechanical energy source and a second for setting the time. According to the illustrated variant, the correction rod 32 is capable of occupying three different axial positions: a first neutral position for the reassembly of the mechanical energy source, a first position drawn to perform the time setting of the d displaying the units of the current time other than the second and an intermediate drawn position, located between the neutral position and the first drawn position, intended for example to allow adjustment of the displayed value for the date.

La figure 1 illustre la configuration du mouvement horloger correspondant au remontage de la source d'énergie mécanique.The figure 1 illustrates the configuration of the watch movement corresponding to the reassembly of the source of mechanical energy.

Dans la position neutre de la tige de correction 32, le levier de commande 20 occupe sa position inactive sous l'effet de l'action de son organe élastique de rappel 38. Dans cette position, l'extrémité libre 50 du premier bras est située hors de portée du balancier 2 qui est par conséquent libre de tourner sur lui-même. De même, la surface d'actionnement du deuxième bras est située à distance de la came en coeur 12, permettant à l'organe 6 d'affichage de la seconde de tourner librement.In the neutral position of the correction rod 32, the control lever 20 occupies its inactive position under the effect of the action of its elastic return member 38. In this position, the free end 50 of the first arm is located out of reach of the pendulum 2 which is therefore free to turn on itself. Similarly, the actuating surface of the second arm is located at a distance from the core cam 12, allowing the display member 6 of the second to rotate freely.

Lorsque la tige de correction 32 est extraite par un utilisateur pour passer à la position tirée intermédiaire, pour corriger le quantième, le mouvement horloger passe de la configuration de la figure 2 à celle illustrée sur la figure 3.When the correction rod 32 is extracted by a user to move to the intermediate pulled position, to correct the date, the watch movement goes from the configuration of the figure 2 to that illustrated on the figure 3 .

On constate que la tirette 34 a légèrement tourné dans le sens de rotation horaire mais son plot 36 s'est simplement rapproché du bec 28 du levier de commande 20 sans toutefois avoir entraîné une quelconque rotation de ce dernier. Par conséquent, le balancier 2 et l'organe 6 d'affichage de la seconde sont toujours libres de tourner dans cette configuration.It can be seen that the pull tab 34 has turned slightly in the direction of clockwise rotation, but its stud 36 has simply moved towards the spout 28 of the control lever 20 without having caused any rotation of the latter. Therefore, the rocker 2 and the display member 6 of the second are still free to rotate in this configuration.

Lorsque la tige de correction 32 est extraite davantage, pour effectuer un réglage de l'heure affichée par la pièce d'horlogerie correspondante, la configuration du mouvement horloger passe de la situation illustrée sur la figure 3 à celle illustrée sur la figure 4.When the correction rod 32 is extracted more, in order to adjust the time displayed by the corresponding timepiece, the configuration of the watch movement changes from the situation illustrated in FIG. figure 3 to that illustrated on the figure 4 .

Le déplacement supplémentaire de la tige de correction 32 a entraîné un pivotement supplémentaire de la tirette 34 dans le sens de rotation horaire, ce qui entraîne cette fois une rotation du levier de commande 20 dans le sens de rotation anti-horaire sous l'effet de l'action du plot 36 sur le bec 28.The additional displacement of the correction rod 32 has caused the drawbar 34 to pivot further in the clockwise direction, which this time causes the control lever 20 to rotate in the anti-clockwise direction under the effect of the action of the stud 36 on the spout 28.

Lors du mouvement de rotation du levier de commande 20, l'extrémité libre 50 du premier bras 46 entre en contact avec la périphérie du balancier 2 et l'immobilise sous l'effet des frottements produits par le contact. Dans le même temps, la surface d'actionnement du deuxième bras 48 entre en contact avec la came en coeur 12 puis exerce sur elle une pression tendant à la faire tourner pour présenter sa portion de rayon le plus faible en regard de la surface d'actionnement, de manière connue. L'organe 6 d'affichage de la seconde est alors préférablement orienté suivant sa position associée à la valeur nulle.During the rotational movement of the control lever 20, the free end 50 of the first arm 46 comes into contact with the periphery of the balance 2 and immobilizes it under the effect of the friction produced by the contact. At the same time, the actuating surface of the second arm 48 comes into contact with the core cam 12 and then exerts on it a pressure tending to rotate it to present its portion of the smallest radius opposite the surface of actuation, in known manner. The display member 6 of the second is then preferably oriented according to its position associated with the zero value.

Lorsque la tige de correction 32 est ramenée dans sa position tirée intermédiaire ou dans sa position neutre, le levier de commande 20 reprend sa position inactive sous l'effet de l'action de son organe élastique de rappel 38, en tournant dans le sens de rotation horaire, libérant ainsi le balancier 2 et l'organe 6 d'affichage de la seconde.When the correction rod 32 is returned to its intermediate pulled position or in its neutral position, the control lever 20 resumes its inactive position under the effect of the action of its elastic return member 38, turning in the direction of clockwise rotation, thus releasing the balance 2 and the display member 6 of the second.

En ce qui concerne le mobile d'affichage de la seconde, on pourra éventuellement prévoir une construction similaire à celle décrite dans le brevet US 6196,713 précité, en particulier en relation avec la figure 4, c'est-à-dire prévoir de manière générale une liaison à friction entre l'arbre de secondes 8 (et donc la came en coeur 12 qui en est solidaire) et la roue de secondes 10 dont les déplacements sont asservis à ceux de la roue d'échappement. L'homme du métier ne rencontrera pas de difficulté particulière pour adapter l'enseignement de ce brevet américain ou toute autre solution connue concernant ce point et qui pourrait convenir à la mise en oeuvre de la présente invention, sans sortir du cadre de l'invention.As regards the mobile display of the second, it may be possible to provide a similar construction to that described in the patent US 6196,713 mentioned above, in particular in relation to figure 4 , that is to say generally provide a frictional connection between the seconds shaft 8 (and thus the core cam 12 which is integral with it) and the seconds wheel 10 whose movements are enslaved to those of wheel exhaust. The person skilled in the art will not encounter any particular difficulty in adapting the teaching of this American patent or any other known solution concerning this point and which could be suitable for the implementation of the present invention, without departing from the scope of the invention. .

Grâce aux caractéristiques qui viennent d'être décrites, il est possible de réaliser une construction de complexité réduite en référence à l'art antérieur et permettant d'assurer la mise en oeuvre à la fois de la fonction de stop second et de la fonction de reset second.Thanks to the characteristics which have just been described, it is possible to realize a construction of reduced complexity with reference to the prior art and to ensure the implementation of both the second stop function and the function of reset second.

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 la forme illustrée et décrite pour le levier de commande, ainsi que pour ses différents détails particuliers de réalisation comme les surfaces de guidage ou le fait que l'organe élastique de rappel soit réalisé d'une pièce avec la base. De manière générale, on notera que le levier de commande pourra être réalisé par étampage ou par tout autre procédé de fabrication connu et adapté, sans sortir du cadre de l'invention. L'homme du métier pourra bien entendu adapter la nature des déplacements du levier de commande, lorsqu'il se déplace entre ses positions inactive et active, en fonction de ses propres besoins sans pour autant sortir du cadre de la présente invention.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 form illustrated and described for the control lever, as well as for its various particular details of embodiment as the guide surfaces or the fact that the elastic return member is made in one piece with the base. In general, it will be noted that the control lever may be made by stamping or by any other known and adapted manufacturing method, without departing from the scope of the invention. Those skilled in the art will of course be able to adapt the nature of the movements of the control lever, as it moves between its inactive and active positions, according to its own needs without departing from the scope of the present invention.

L'invention n'est pas non plus limitée à la nature de l'organe réglant ou encore à la nature de l'organe d'affichage de la seconde. Par ailleurs, le levier de commande pourrait être contrôlé à partir d'un mécanisme autre que le mécanisme de correction sans pour autant sortir du cadre de l'invention, par exemple par une commande spécifique. Lorsque l'action du levier de commande a lieu directement sur le balancier (ou autre organe équivalent), elle peut se faire à n'importe quel endroit adapté du balancier, préférablement sur sa serge mais éventuellement sur la surface en forme de disque dans le cas d'un balancier plein, en forme de disque, voire éventuellement sur l'arbre de balancier lorsqu'il est solidaire du balancier ou tout autre organe solidaire du balancier, comme par exemple une surface du plateau ou de la virole.The invention is also not limited to the nature of the regulating member or the nature of the display member of the second. Furthermore, the control lever could be controlled from a mechanism other than the correction mechanism without departing from the scope of the invention, for example by a specific command. When the action of the control lever takes place directly on the balance (or other equivalent member), it can be done at any suitable place of the balance, preferably on its serge but possibly on the disk-shaped surface in the case of a solid rocker, disc-shaped, or possibly on the balance shaft when it is integral with the pendulum or other integral member of the balance, such as a surface of the plate or ferrule.

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 mouvement horloger comportant un mécanisme de commande agencé pour immobiliser son organe réglant et placer un organe d'affichage de la seconde dans une position prédéfinie, à la demande d'un utilisateur.Those skilled in the art will not encounter any particular difficulty in adapting the content of the present disclosure to their own needs and implement a watch movement comprising a control mechanism arranged to immobilize its regulating member and to place a display member of the second in a predefined position, at the request of a user.

Claims (11)

Mouvement horloger comportant un organe réglant (2, 4) présentant un mouvement périodique, entretenu à partir d'une source d'énergie mécanique et rythmant les déplacements d'un arbre de secondes (8) destiné à porter un organe (6) d'affichage de la seconde, ainsi qu'un mécanisme de commande agencé pour immobiliser ledit organe réglant (2, 4) et placer ledit arbre de secondes (8) dans une position angulaire prédéfinie de manière sensiblement simultanée, en réponse à une action adaptée d'un utilisateur, ledit mécanisme de commande comprenant un levier de commande (20) mobile présentant un premier bras (46) destiné à interagir avec ledit organe réglant (2, 4) et un deuxième bras (48) destiné à interagir avec un organe de positionnement dudit arbre de secondes (8), caractérisé en ce que ledit premier bras (46) porte une surface de verrouillage (50) agencée de manière à pouvoir se positionner en appui directement contre ledit organe réglant (2, 4) ou sur un composant solidaire dudit organe réglant (2, 4) pour rendre ce dernier immobile en réponse à ladite action adaptée. Watch movement with a regulating member (2, 4) having a periodic movement, maintained from a source of mechanical energy and timing the movements of a second shaft (8) for carrying a display member (6) of the second, and a control mechanism arranged to immobilize said regulating member (2, 4) and placing said seconds shaft (8) in a predefined angular position substantially simultaneously, in response to a user-adapted action, said mechanism control device comprising a movable control lever (20) having a first arm (46) for interacting with said regulating member (2, 4) and a second arm (48) for interacting with a positioning member of said second shaft ( 8) characterized in that said first arm (46) carries a locking surface (50) arranged so as to be able to position itself in abutment directly against said regulating member (2, 4) or on a component integral with said regulating member (2, 4) to make the latter motionless in response to said adapted action. Mouvement horloger selon la revendication 1, caractérisé en ce que ledit organe de positionnement dudit arbre de secondes comporte une came (12) dont la position angulaire est liée à celle dudit arbre de secondes (8), ledit deuxième bras (48) dudit levier de commande (20) portant une surface d'actionnement (52) agencée de manière à pouvoir exercer une force directement sur ladite came (12) et la placer dans une position angulaire prédéfinie.Clock movement according to claim 1, characterized in that said positioning member of said seconds shaft comprises a cam (12) whose angular position is linked to that of said seconds shaft (8), said second arm (48) of said lever of control (20) carrying an actuating surface (52) arranged to be able to exert a force directly on said cam (12) and place it in a predefined angular position. Mouvement horloger selon la revendication 2, caractérisé en ce que ladite came (12) est solidaire dudit arbre de secondes (8).Clock movement according to claim 2, characterized in that said cam (12) is integral with said seconds shaft (8). Mouvement horloger selon l'une des revendications précédentes, caractérisé en ce que ledit levier de commande (20) est porté par un élément de bâti du mouvement horloger de manière à pouvoir se déplacer, préférablement pivoter, depuis une première position inactive vers une deuxième position active en réponse à ladite action adaptée de l'utilisateur, lesdits premier et deuxième bras (46, 48) interagissant respectivement avec ledit organe réglant (2, 4) et ledit organe de positionnement uniquement dans ladite position active dudit levier de commande (20).Clock movement according to one of the preceding claims, characterized in that said control lever (20) is carried by a frame element of the watch movement so as to be able to move, preferably pivot, from a first inactive position to a second position active in response to said user-adapted action, said first and second arms (46, 48) respectively interacting with said regulating member (2, 4) and said positioning member only in said active position of said control lever (20). Mouvement horloger selon la revendication 4, comportant au moins un mobile d'affichage d'une unité de l'heure courante autre que la seconde ainsi qu'un mécanisme de correction (30) associé audit mobile d'affichage et comprenant une tige de correction (32) mobile en translation entre une position neutre, et au moins une première position tirée, de mise à l'heure, caractérisé en ce que ledit mécanisme de correction (30) et ledit levier de commande (20) sont agencés de telle manière que ledit levier de commande (20) soit dans sa position inactive lorsque ladite tige de correction (32) est dans sa position neutre et qu'il soit dans sa position active lorsque ladite tige de correction (32) est dans sa première position tirée.Clock movement according to claim 4, comprising at least one display unit of a unit of the current time other than the second and a correction mechanism (30) associated with said display unit and comprising a correction rod (32) movable in translation between a neutral position, and at least a first drawn position, setting time, characterized in that said correction mechanism (30) and said control lever (20) are arranged in such a manner said control lever (20) is in its inactive position when said correction rod (32) is in its neutral position and is in its active position when said correction rod (32) is in its first drawn position. Mouvement horloger selon la revendication 5, ladite tige de correction (32) étant susceptible d'occuper une position tirée intermédiaire située entre ladite position neutre et ladite première position tirée, caractérisé en ce que ledit mécanisme de correction (30) et ledit levier de commande (20) sont agencés de telle manière que ledit levier de commande (20) soit dans sa position inactive lorsque ladite tige de correction (32) est dans sa position tirée intermédiaire.Clock movement according to claim 5, said correction rod (32) being capable of occupying an intermediate drawn position located between said neutral position and said first pulled position, characterized in that said correction mechanism (30) and said control lever (20) are arranged such that said control lever (20) is in its inactive position when said correction rod (32) is in its intermediate extended position. Mouvement horloger selon la revendication 5 ou 6, comportant une tirette (34) associée à ladite tige de correction (32), caractérisé en ce que ladite tirette (34) présente une liaison cinématique avec ledit levier de commande (20) pour commander la position de ce dernier en fonction de la position de ladite tige de correction (32).Clock movement according to claim 5 or 6, comprising a pull tab (34) associated with said correction rod (32), characterized in that said pull tab (34) has a kinematic connection with said control lever (20) for controlling the position of the latter as a function of the position of said correction rod (32). Mouvement horloger selon l'une des revendications précédentes, caractérisé en ce que ledit levier de commande (20) comporte une base (22) et en ce qu'au moins l'un desdits premier et deuxième bras (46, 48) est relié à ladite base (22) de manière à pouvoir présenter une déformation élastique.Clock movement according to one of the preceding claims, characterized in that said control lever (20) comprises a base (22) and in that at least one of said first and second arms (46, 48) is connected to said base (22) so as to be able to present an elastic deformation. Mouvement horloger selon l'une des revendications précédentes, caractérisé en ce que ledit levier de commande (20) est agencé pour se déplacer sensiblement dans un plan et, en ce qu'il comprend au moins une surface de guidage (40, 42) agencée pour coopérer avec un organe de guidage (44) solidaire du bâti du mouvement horloger.Clock movement according to one of the preceding claims, characterized in that said control lever (20) is arranged to move substantially in a plane and, in that it comprises at least one guide surface (40, 42). arranged to cooperate with a guide member (44) integral with the frame of the watch movement. Mouvement horloger selon l'une des revendications 4 à 9, caractérisé en ce que ledit levier de commande (20) comporte un organe élastique de rappel (38) agencé en butée contre un organe fixe du bâti du mouvement horloger de telle manière que ledit organe élastique de rappel (38) exerce sur ledit levier de commande (20) une force tendant à le positionner dans sa position inactive.Clock movement according to one of claims 4 to 9, characterized in that said control lever (20) comprises an elastic return member (38) arranged in abutment against a fixed member of the frame of the watch movement in such a way that said member resilient return (38) exerts on said control lever (20) a force tending to position it in its inactive position. Pièce d'horlogerie comportant une boite logeant un mouvement horloger selon l'une des revendications précédentes.Timepiece comprising a box housing a watch movement according to one of the preceding claims.
EP18171193.8A 2017-05-22 2018-05-08 Timepiece movement with stop second function Active EP3407142B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH00664/17A CH713811A1 (en) 2017-05-22 2017-05-22 Watch movement with "stop second" function.

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EP3407142A1 true EP3407142A1 (en) 2018-11-28
EP3407142B1 EP3407142B1 (en) 2020-01-29

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3923084B1 (en) * 2020-06-12 2024-07-24 ETA SA Manufacture Horlogère Suisse Anti-correction system of an indicator for a timepiece

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4202570B1 (en) * 2021-12-23 2024-07-03 Montres Breguet S.A. Timepiece movement including a stop second function operable from two separate control members

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CH174708A (en) * 1934-04-26 1935-01-31 Morf Ernest Chronograph wristwatch.
CH460651A (en) * 1966-06-14 1968-09-30 D Horlogerie Lemania Fab Reset mechanism for timepiece measuring time intervals
JPS5699487U (en) * 1979-12-28 1981-08-05
EP2871536A1 (en) * 2013-11-08 2015-05-13 Grossmann Uhren GmbH Seconds stop for clocks with a tourbillon

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JP3417953B2 (en) * 1996-09-18 2003-06-16 ランゲ ウーレン ゲゼルシヤフト ミツト ベシユレンクテル ハフツング Apparatus for setting the minute hand of a timer with at least a minute hand and a second hand
DE102015203655B3 (en) * 2015-03-02 2016-08-18 Mechanische Werkstätten Wetzlar GmbH Apparatus and method for setting a minute hand and winding a watch

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Publication number Priority date Publication date Assignee Title
CH174708A (en) * 1934-04-26 1935-01-31 Morf Ernest Chronograph wristwatch.
CH460651A (en) * 1966-06-14 1968-09-30 D Horlogerie Lemania Fab Reset mechanism for timepiece measuring time intervals
JPS5699487U (en) * 1979-12-28 1981-08-05
EP2871536A1 (en) * 2013-11-08 2015-05-13 Grossmann Uhren GmbH Seconds stop for clocks with a tourbillon

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3923084B1 (en) * 2020-06-12 2024-07-24 ETA SA Manufacture Horlogère Suisse Anti-correction system of an indicator for a timepiece

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CH713811A1 (en) 2018-11-30

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