EP3770695B1 - Timepiece stop-cage with blade for stopping the cage - Google Patents

Timepiece stop-cage with blade for stopping the cage Download PDF

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Publication number
EP3770695B1
EP3770695B1 EP19187811.5A EP19187811A EP3770695B1 EP 3770695 B1 EP3770695 B1 EP 3770695B1 EP 19187811 A EP19187811 A EP 19187811A EP 3770695 B1 EP3770695 B1 EP 3770695B1
Authority
EP
European Patent Office
Prior art keywords
carriage
cage
limiting device
wheel
oscillator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP19187811.5A
Other languages
German (de)
French (fr)
Other versions
EP3770695A1 (en
Inventor
Timothée JEANRENAUD
Jean-Claude Monachon
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.)
Omega SA
Original Assignee
Omega 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 Omega SA filed Critical Omega SA
Priority to EP19187811.5A priority Critical patent/EP3770695B1/en
Priority to US16/901,112 priority patent/US11604434B2/en
Priority to TW109120386A priority patent/TWI743839B/en
Priority to JP2020117503A priority patent/JP7015873B2/en
Priority to KR1020200087662A priority patent/KR102410079B1/en
Priority to RU2020124365A priority patent/RU2741258C1/en
Priority to CN202010718597.9A priority patent/CN112305893B/en
Publication of EP3770695A1 publication Critical patent/EP3770695A1/en
Application granted granted Critical
Publication of EP3770695B1 publication Critical patent/EP3770695B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B1/00—Driving mechanisms
    • 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
    • G04B17/00—Mechanisms for stabilising frequency
    • G04B17/20—Compensation of mechanisms for stabilising frequency
    • G04B17/28—Compensation of mechanisms for stabilising frequency for the effect of imbalance of the weights, e.g. tourbillon
    • G04B17/285—Tourbillons or carrousels
    • 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
    • G04B13/00—Gearwork
    • 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
    • G04B13/00—Gearwork
    • G04B13/02—Wheels; Pinions; Spindles; Pivots
    • 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
    • G04B15/00—Escapements
    • G04B15/14—Component parts or constructional details, e.g. construction of the lever or the escape wheel
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B17/00—Mechanisms for stabilising frequency
    • G04B17/04—Oscillators acting by spring tension
    • 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
    • G04B17/00—Mechanisms for stabilising frequency
    • G04B17/20—Compensation of mechanisms for stabilising frequency
    • 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
    • G04B17/00—Mechanisms for stabilising frequency
    • G04B17/32—Component parts or constructional details, e.g. collet, stud, virole or piton
    • 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
    • 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
    • G04B29/00—Frameworks
    • G04B29/04—Connecting or supporting parts

Definitions

  • the invention relates to a timepiece limiting device for a watch, comprising an oscillator, and comprising means for limiting the rate deviation of this oscillator in the different positions of said watch in space, said device comprising at at least one tourbillon or carousel, which comprises a cage which is pivotally mounted about a cage axis with respect to a plate, which carries a fixed wheel when said limiting device comprises a tourbillon, which cage carries said oscillator and comprises a cage wheel arranged to be driven by a source of energy from the watch or from a movement through a gear train, and which cage carries an escapement mechanism arranged to cooperate with said oscillator, and comprising a pinion escapement meshing with said fixed wheel when said limiting device comprises a tourbillon or else meshing with a middle wheel or a second wheel, which said gear train comprises, when the said limiter device comprises a carousel.
  • the invention also relates to a watch comprising a timepiece movement comprising energy storage means, an oscillator, time-setting means, and such a limiting device comprising this oscillator.
  • the invention relates to the field of high-precision chronometric mechanical watches equipped with tourbillons or carousels, and so-called stop-seconds or stop-cage mechanisms arranged to effect fine adjustment of the state of the watch.
  • EP2787400B1 in the name of CHOPARD describes a stop element, integral in rotation with a cage, and which is a disc coaxial with this cage, moved axially for axial friction with a pendulum.
  • EP2085832B1 in the name of FREDERIC PIGUET describes a friction clutch mechanism, by radial pressing of clutch elements at the ends of star arms in a cylindrical surface of a drive plate, under the axial action of a spring clutch.
  • the document EP2246752 discloses a mechanism for stopping a tourbillon, this mechanism comprising a stem or rod for stopping the balance wheel embedded in the tourbillon carriage.
  • the invention proposes to stop a tourbillon or carousel cage when setting the time in order to be able to adjust a watch to the nearest second.
  • the invention relates to a timepiece limiting device for limiting the deviation of the rate of an oscillator which comprises a watch, according to claim 1.
  • the invention also relates to a watch comprising a timepiece movement comprising energy storage means, an oscillator, time-setting means, and such a limiting device.
  • the invention relates to the field of mechanical watches with high chronometric performance.
  • a timepiece limiting device 100 comprising an oscillator 200, and comprising means for limiting the variation in rate of this oscillator 200 in the different positions of watch 1000 in space.
  • This device 100 comprises at least one tourbillon 300 or a carousel, which, in either case, comprises a cage 10 which is pivotally mounted around a cage axis D with respect to a plate 900.
  • This plate 900 carries a fixed wheel 210 when the limiter device 100 includes a tourbillon 300.
  • the cage 10 carries the oscillator 200, and includes a cage wheel 5, which is arranged to be driven by an energy source 400 of the watch 1000 or of a movement 800 that includes the watch, through a cog.
  • This energy source 400 may in particular comprise at least one barrel or the like.
  • Cage 10 also carries an escapement mechanism 700, which is arranged to cooperate with oscillator 200, and which includes an escapement pinion 201.
  • Cage 10 includes a lower bridge 11 and an upper bridge 12.
  • the upper bridge cage 12 protects both the oscillator 200, the escapement mechanism 700, and the mechanism according to the invention.
  • This escapement pinion 201 meshes with the fixed wheel 210 when the limiter device 100 comprises a tourbillon, or else meshes with an average wheel or a second wheel, which the gear train comprises, when the limiter device 100 comprises a carousel.
  • the mechanism according to the invention makes it possible to stop the tourbillon or carousel cage during the time-setting operation.
  • the device 100 comprises a control rod 30, which is arranged to cooperate with a control member external to the tourbillon 300 or carousel, to push, substantially radially with respect to the cage axis D, an elastic blade 4 which is arranged to bear substantially tangentially on the cage wheel 5, to stop the cage 10 when the control member passes from a rest position to an active position, and to stay away from the cage wheel 5 when the control member is in its rest position.
  • the device 100 comprises time-setting means 500 which constitute or which control the control member, which is arranged to move the control rod 30 in a first direction of activation when the means of setting the time 500 from a rest position T1 to an activated position T2, and to move the control rod 30 in a second direction contrary to the first direction when the time setting means 500 pass from the position activated T2 to rest position T1.
  • time-setting means 500 which constitute or which control the control member, which is arranged to move the control rod 30 in a first direction of activation when the means of setting the time 500 from a rest position T1 to an activated position T2, and to move the control rod 30 in a second direction contrary to the first direction when the time setting means 500 pass from the position activated T2 to rest position T1.
  • the leaf spring has a smooth bearing surface, in cylindrical portion, of the same radius as the outer diameter of the cage wheel 5.
  • the elastic blade 4 comprises a toothing 41 arranged to cooperate in mesh with the toothing of the cage wheel 5.
  • the elastic blade 4 extends cantilevered with respect to its attachment to the control rod 30.
  • the elastic blade 4 has a convex surface on the side of the cage 10.
  • the elastic blade 4 has a concave surface on the side of the cage 10.
  • oscillator 200 is a balance-spring assembly.
  • the invention also relates to a watch 1000 comprising a timepiece movement 800 comprising energy storage means 400, an oscillator 200, time-setting means 500, and such a limiting device 100.
  • the tourbillon 300 or carousel constitutes a display member of the watch 1000 or is arranged to drive at least one display member of the watch 1000, and the time-setting means 500 constitute or control the control organ.
  • the system is designed to stop the tourbillon, or respectively the carousel, while setting the time.
  • the system rests on the cage wheel with a leaf spring which applies sufficient pressure to stop the cage.
  • This integrated stop wheel mechanism is compact, its manufacture is based on usual technologies, and its cost is therefore moderate.

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

Description

Domaine de l'inventionField of the invention

L'invention concerne un dispositif limiteur d'horlogerie pour une montre, comportant un oscillateur, et comportant des moyens pour la limitation de l'écart de marche de cet oscillateur dans les différentes positions de ladite montre dans l'espace, ledit dispositif comportant au moins un tourbillon ou un carrousel, qui comporte une cage qui est montée pivotante autour d'un axe de cage par rapport à une platine, qui est porteuse d'une roue fixe quand ledit dispositif limiteur comporte un tourbillon, laquelle cage porte ledit oscillateur et comporte une roue de cage agencée pour être entraînée par une source d'énergie de la montre ou d'un mouvement au travers d'un rouage, et laquelle cage porte un mécanisme d'échappement agencé pour coopérer avec ledit oscillateur, et comportant un pignon d'échappement engrenant avec ladite roue fixe quand ledit dispositif limiteur comporte un tourbillon ou bien engrenant avec une roue de moyenne ou une roue de seconde, que comporte ledit rouage, quand ledit dispositif limiteur comporte un carrousel.The invention relates to a timepiece limiting device for a watch, comprising an oscillator, and comprising means for limiting the rate deviation of this oscillator in the different positions of said watch in space, said device comprising at at least one tourbillon or carousel, which comprises a cage which is pivotally mounted about a cage axis with respect to a plate, which carries a fixed wheel when said limiting device comprises a tourbillon, which cage carries said oscillator and comprises a cage wheel arranged to be driven by a source of energy from the watch or from a movement through a gear train, and which cage carries an escapement mechanism arranged to cooperate with said oscillator, and comprising a pinion escapement meshing with said fixed wheel when said limiting device comprises a tourbillon or else meshing with a middle wheel or a second wheel, which said gear train comprises, when the said limiter device comprises a carousel.

L'invention concerne encore une montre comportant un mouvement d'horlogerie comportant des moyens de stockage d'énergie, un oscillateur, des moyens de mise à l'heure, et un tel dispositif limiteur comportant cet oscillateur.The invention also relates to a watch comprising a timepiece movement comprising energy storage means, an oscillator, time-setting means, and such a limiting device comprising this oscillator.

L'invention concerne le domaine des montres mécaniques de haute précision chronométrique équipées de tourbillons ou carrousels, et des mécanismes dits stop-seconde ou stop-cage agencés pour effectuer un réglage fin de l'état de la montre.The invention relates to the field of high-precision chronometric mechanical watches equipped with tourbillons or carousels, and so-called stop-seconds or stop-cage mechanisms arranged to effect fine adjustment of the state of the watch.

Arrière-plan de l'inventionBackground of the invention

Le document GB674764 au nom de HEPTINSTALL décrit un doigt-ressort de blocage d'un balancier.The document GB674764 in the name of HEPTINSTALL describes a finger-spring blocking a pendulum.

Le document EP1617305B1 au nom de MONTRES BREGUET décrit une commande d'arrêt, manuelle par la tige, de leviers à patins pour le blocage d'un balancier.The document EP1617305B1 in the name of MONTRES BREGUET describes a stop control, manual by the stem, of shoe levers for locking a balance wheel.

Le document EP2787400B1 au nom de CHOPARD décrit un élément d'arrêt, solidaire en rotation d'une cage, et qui est un disque coaxial à cette cage, déplacé axialement pour une friction axiale avec un balancier.The document EP2787400B1 in the name of CHOPARD describes a stop element, integral in rotation with a cage, and which is a disc coaxial with this cage, moved axially for axial friction with a pendulum.

Le document EP2085832B1 au nom de FREDERIC PIGUET décrit un mécanisme d'embrayage à friction, par placage radial d'éléments d'embrayage en extrémités de bras en étoile dans une surface cylindrique d'un plateau d'entraînement, sous l'action axiale d'un ressort d'embrayage.The document EP2085832B1 in the name of FREDERIC PIGUET describes a friction clutch mechanism, by radial pressing of clutch elements at the ends of star arms in a cylindrical surface of a drive plate, under the axial action of a spring clutch.

Le document EP2246752 divulgue un mécanisme d'arrêt d'un tourbillon, ce mécanisme comportant une tige ou tringle pour l'arrêt du balancier embarqué dans la cage du tourbillon.The document EP2246752 discloses a mechanism for stopping a tourbillon, this mechanism comprising a stem or rod for stopping the balance wheel embedded in the tourbillon carriage.

Résumé de l'inventionSummary of the invention

L'invention se propose de stopper une cage de tourbillon, ou de carrousel, lors de la mise à l'heure pour pouvoir régler une montre à la seconde près.The invention proposes to stop a tourbillon or carousel cage when setting the time in order to be able to adjust a watch to the nearest second.

A cet effet, l'invention concerne un dispositif limiteur d'horlogerie pour la limitation de l'écart de marche d'un oscillateur que comporte une montre, selon la revendication 1.To this end, the invention relates to a timepiece limiting device for limiting the deviation of the rate of an oscillator which comprises a watch, according to claim 1.

L'invention concerne encore une montre comportant un mouvement d'horlogerie comportant des moyens de stockage d'énergie, un oscillateur, des moyens de mise à l'heure, et un tel dispositif limiteur.The invention also relates to a watch comprising a timepiece movement comprising energy storage means, an oscillator, time-setting means, and such a limiting device.

Description sommaire des dessinsBrief description of the drawings

D'autres caractéristiques et avantages de l'invention apparaîtront à la lecture de la description détaillée qui va suivre, en référence aux dessins annexés, où :

  • la figure 1 représente, de façon schématisée, partielle, et en perspective, un dispositif limiteur d'horlogerie pour la limitation de l'écart de marche d'un oscillateur, cet oscillateur à balancier-spiral étant porté par la cage d'un tourbillon, laquelle cage est solidaire d'une roue de cage pour son entraînement ; l'oscillateur est pivoté entre un pont inférieur de cage et un pont supérieur de cage; le dispositif limiteur comporte un mécanisme d'arrêt, commandé par une tringle d'enclenchement mue par un organe de commande de la montre, ici constitué par une tige de remontage et de mise à l'heure ; cette tringle d'enclenchement est agencée pour mouvoir radialement, par rapport à l'axe de cage, une lame-ressort agencé pour prendre appui sur la roue de cage dans une position active ; la figure 1 représente la tige dans une position de repos, dans laquelle la lame-ressort est à distance de la roue de cage ;
  • la figure 2 représente le mécanisme de la figure 1, en vue de dessous, dans la même position de repos de la tige ;
  • la figure 3 représente, de façon schématisée et similaire à la figure 1, le même mécanisme, dans une position active de la tige de commande, avec la lame-ressort en appui sur la roue de cage ;
  • la figure 4 représente, de façon schématisée et similaire à la figure 2, le même mécanisme, dans une position active de la tige de commande, avec la lame-ressort en appui sur la roue de cage ;
  • la figure 5 représente, de façon schématisée et en plan, un détail d'une variante où la lame-ressort comporte un crantage complémentaire à la denture de la roue de cage ;
  • la figure 6 est un schéma-blocs représentant une montre comportant un mouvement d'horlogerie comportant des moyens de stockage d'énergie, un oscillateur, des moyens de mise à l'heure, et un tel dispositif limiteur.
Other characteristics and advantages of the invention will appear on reading the detailed description which follows, with reference to the appended drawings, where:
  • the figure 1 represents, schematically, partially, and in perspective, a watchmaking limiting device for limiting the rate deviation of an oscillator, this balance-spring oscillator being carried by the cage of a tourbillon, which cage is integral with a cage wheel for its drive; the oscillator is pivoted between a lower cage bridge and an upper cage bridge; the limiter device comprises a stop mechanism, controlled by an engagement rod driven by a control member of the watch, here consisting of a winding and time-setting stem; this engagement rod is arranged to move radially, with respect to the cage axis, a leaf spring arranged to rest on the cage wheel in an active position; the figure 1 represents the rod in a rest position, in which the leaf spring is at a distance from the cage wheel;
  • the picture 2 represents the mechanism of figure 1 , seen from below, in the same position of rest of the stem;
  • the picture 3 represents, schematically and similar to the figure 1 , the same mechanism, in an active position of the control rod, with the leaf spring resting on the cage wheel;
  • the figure 4 represents, schematically and similar to the picture 2 , the same mechanism, in an active position of the control rod, with the leaf spring resting on the cage wheel;
  • the figure 5 shows, schematically and in plan, a detail of a variant in which the leaf spring has notches complementary to the toothing of the cage wheel;
  • the figure 6 is a block diagram representing a watch comprising a timepiece movement comprising energy storage means, an oscillator, time-setting means, and such a limiting device.

Description détaillée des modes de réalisation préférésDetailed Description of Preferred Embodiments

L'invention concerne le domaine des montres mécaniques à performances chronométriques élevées.The invention relates to the field of mechanical watches with high chronometric performance.

Pour améliorer l'insensibilité aux positions d'une montre 1000, il est connu de l'équiper d'un dispositif limiteur 100 d'horlogerie, comportant un oscillateur 200, et comportant des moyens pour la limitation de l'écart de marche de cet oscillateur 200 dans les différentes positions de la montre 1000 dans l'espace.To improve the insensitivity to the positions of a watch 1000, it is known to equip it with a timepiece limiting device 100, comprising an oscillator 200, and comprising means for limiting the variation in rate of this oscillator 200 in the different positions of watch 1000 in space.

Ce dispositif 100 comporte au moins un tourbillon 300 ou un carrousel, qui, dans l'un ou l'autre cas, comporte une cage 10 qui est montée pivotante autour d'un axe de cage D par rapport à une platine 900.This device 100 comprises at least one tourbillon 300 or a carousel, which, in either case, comprises a cage 10 which is pivotally mounted around a cage axis D with respect to a plate 900.

Cette platine 900 est porteuse d'une roue fixe 210 quand le dispositif limiteur 100 comporte un tourbillon 300.This plate 900 carries a fixed wheel 210 when the limiter device 100 includes a tourbillon 300.

La cage 10 porte l'oscillateur 200, et comporte une roue de cage 5, qui est agencée pour être entraînée par une source d'énergie 400 de la montre 1000 ou d'un mouvement 800 que comporte la montre, au travers d'un rouage. Cette source d'énergie 400 peut notamment comporter au moins un barillet ou similaire.The cage 10 carries the oscillator 200, and includes a cage wheel 5, which is arranged to be driven by an energy source 400 of the watch 1000 or of a movement 800 that includes the watch, through a cog. This energy source 400 may in particular comprise at least one barrel or the like.

La cage 10 porte encore un mécanisme d'échappement 700, qui est agencé pour coopérer avec l'oscillateur 200, et qui comporte un pignon d'échappement 201. La cage 10 comporte un pont inférieur 11 et un pont supérieur 12. Le pont supérieur de cage 12 protège à la fois l'oscillateur 200, le mécanisme d'échappement 700, et le mécanisme selon l'invention.Cage 10 also carries an escapement mechanism 700, which is arranged to cooperate with oscillator 200, and which includes an escapement pinion 201. Cage 10 includes a lower bridge 11 and an upper bridge 12. The upper bridge cage 12 protects both the oscillator 200, the escapement mechanism 700, and the mechanism according to the invention.

Ce pignon d'échappement 201 engrène avec la roue fixe 210 quand le dispositif limiteur 100 comporte un tourbillon, ou bien engrène avec une roue de moyenne ou une roue de seconde, que comporte le rouage, quand le dispositif limiteur 100 comporte un carrousel.This escapement pinion 201 meshes with the fixed wheel 210 when the limiter device 100 comprises a tourbillon, or else meshes with an average wheel or a second wheel, which the gear train comprises, when the limiter device 100 comprises a carousel.

Le mécanisme selon l'invention permet de stopper la cage de tourbillon ou de carrousel, lors de l'opération de mise à l'heure.The mechanism according to the invention makes it possible to stop the tourbillon or carousel cage during the time-setting operation.

Selon l'invention, le dispositif 100 comporte une tringle de commande 30, qui est agencée pour coopérer avec un organe de commande externe au tourbillon 300 ou carrousel, pour pousser, sensiblement radialement par rapport à l'axe de cage D, une lame élastique 4 qui est agencée pour prendre appui sensiblement tangentiellement sur la roue de cage 5, pour arrêter la cage 10 lors d'un passage de l'organe de commande d'une position de repos à une position active, et pour rester à distance de la roue de cage 5 quand l'organe de commande est dans sa position de repos.According to the invention, the device 100 comprises a control rod 30, which is arranged to cooperate with a control member external to the tourbillon 300 or carousel, to push, substantially radially with respect to the cage axis D, an elastic blade 4 which is arranged to bear substantially tangentially on the cage wheel 5, to stop the cage 10 when the control member passes from a rest position to an active position, and to stay away from the cage wheel 5 when the control member is in its rest position.

Plus particulièrement, le dispositif 100 comporte des moyens de mise à l'heure 500 qui constituent ou qui commandent l'organe de commande, lequel est agencé pour mouvoir la tringle de commande 30 dans un premier sens d'activation lors du passage des moyens de mise à l'heure 500 d'une position de repos T1 à une position activée T2, et pour mouvoir la tringle de commande 30 dans un deuxième sens contraire au premier sens lors du passage des moyens de mise à l'heure 500 de la position activée T2 à la position de repos T1.More specifically, the device 100 comprises time-setting means 500 which constitute or which control the control member, which is arranged to move the control rod 30 in a first direction of activation when the means of setting the time 500 from a rest position T1 to an activated position T2, and to move the control rod 30 in a second direction contrary to the first direction when the time setting means 500 pass from the position activated T2 to rest position T1.

Dans une variante, tel que visible sur les figures 1 à 4, la lame-ressort comporte une surface d'appui lisse, en portion cylindrique, de même rayon que le diamètre extérieur de la roue de cage 5.In a variant, as seen on the figures 1 to 4 , the leaf spring has a smooth bearing surface, in cylindrical portion, of the same radius as the outer diameter of the cage wheel 5.

Dans une autre variante, tel que visible sur la figure 5, la lame élastique 4 comporte une denture 41 agencée pour coopérer en engrènement avec la denture de la roue de cage 5.In another variant, as seen on the figure 5 , the elastic blade 4 comprises a toothing 41 arranged to cooperate in mesh with the toothing of the cage wheel 5.

Plus particulièrement, la lame élastique 4 s'étend en porte-à-faux par rapport à sa fixation sur la tringle de commande 30.More particularly, the elastic blade 4 extends cantilevered with respect to its attachment to the control rod 30.

Dans une variante, la lame élastique 4 présente une surface convexe du côté de la cage 10.In a variant, the elastic blade 4 has a convex surface on the side of the cage 10.

Dans une autre variante, la lame élastique 4 présente une surface concave du côté de la cage 10.In another variant, the elastic blade 4 has a concave surface on the side of the cage 10.

Plus particulièrement, l'oscillateur 200 est un ensemble balancier-spiral.More particularly, oscillator 200 is a balance-spring assembly.

L'invention concerne encore une montre 1000 comportant un mouvement d'horlogerie 800 comportant des moyens de stockage d'énergie 400, un oscillateur 200, des moyens de mise à l'heure 500, et un tel dispositif limiteur 100.The invention also relates to a watch 1000 comprising a timepiece movement 800 comprising energy storage means 400, an oscillator 200, time-setting means 500, and such a limiting device 100.

Plus particulièrement, le tourbillon 300 ou carrousel constitue un organe d'affichage de la montre 1000 ou est agencé pour entraîner au moins un organe d'affichage de la montre 1000, et les moyens de mise à l'heure 500 constituent ou commandent l'organe de commande.More particularly, the tourbillon 300 or carousel constitutes a display member of the watch 1000 or is arranged to drive at least one display member of the watch 1000, and the time-setting means 500 constitute or control the control organ.

Dans la variante non limitative illustrée par les figures, des moyens de mise à l'heure 500 constituent ou commandent l'organe de commande, et comportent une tige de remontage et de mise à l'heure 1 classique, et le fonctionnement est le suivant :

  • en position T1, la tige de remontage et de mise à l'heure 1 positionne la tirette 2, sur laquelle est chassé un grand plot 24. Ce plot 24 est en contact avec la tringle de commande 3 par l'intermédiaire d'une ganse 34. La tringle de commande 3 est guidée par la coopération de deux goupilles 320 et 330 fixées à la platine 900 et de deux oblongs 32 et 33 que comporte la tringle 3, pour se déplacer de façon linéaire. Elle porte une lame-ressort 4 qui est dans le même plan que la roue de cage 5. Cette roue de cage 5 est solidaire de la cage 10. Le système est fixe dans la position ci-dessous en T1 ;
  • en passant de T1 à T2, la tige de remontage et de mise à l'heure 1 fait pivoter la tirette 2 qui elle-même fait descendre la tringle de commande 3 en direction de la cage 10. La lame-ressort 4 vient alors en contact sur la denture de la roue de cage 5 ce qui provoque l'arrêt de la cage.
In the non-limiting variant illustrated by the figures, time-setting means 500 constitute or control the control member, and comprise a conventional winding and time-setting stem 1, and the operation is as follows :
  • in position T1, the winding and time-setting stem 1 positions the pull tab 2, onto which a large stud 24 is driven. This stud 24 is in contact with the control rod 3 via a loop 34. The control rod 3 is guided by the cooperation of two pins 320 and 330 fixed to the plate 900 and of two oblongs 32 and 33 that the rod 3 comprises, to move linearly. It carries a leaf spring 4 which is in the same plane as cage wheel 5. This cage wheel 5 is secured to cage 10. The system is fixed in the position below at T1;
  • passing from T1 to T2, the winding and time-setting stem 1 pivots the pull tab 2 which itself causes the control rod 3 to descend in the direction of the cage 10. The leaf spring 4 then comes into contact on the toothing of the cage wheel 5 which causes the cage to stop.

Le système est conçu pour stopper le tourbillon, ou respectivement le carrousel, en mise à l'heure.The system is designed to stop the tourbillon, or respectively the carousel, while setting the time.

Le système vient s'appuyer sur la roue de cage avec une lame-ressort qui effectue une pression suffisante pour stopper la cage.The system rests on the cage wheel with a leaf spring which applies sufficient pressure to stop the cage.

En somme, l'invention permet de :

  • stopper instantanément une cage de tourbillon ou de carrousel ;
  • effectuer une mise à l'heure à la seconde près.
In short, the invention makes it possible to:
  • instantly stop a tourbillon or carousel cage;
  • set the time to the nearest second.

Ce mécanisme à roue d'arrêt intégré est compact, sa fabrication relève de technologies usuelles, et son coût est donc modéréThis integrated stop wheel mechanism is compact, its manufacture is based on usual technologies, and its cost is therefore moderate.

Claims (8)

  1. Horological limiting device (100) for a watch, comprising an oscillator (200), and comprising means for limiting the variation of rate of said oscillator (200) in the different positions of said watch (1000) in space, said device (100) comprising at least one tourbillon (300) or a karussel, which comprises a carriage (10) which is mounted such that it pivots about a carriage axis (D) relative to a plate (900) carrying a fixed wheel (210) when said limiting device (100) comprises a tourbillon, which carriage (10) carries said oscillator (200) and comprises a carriage wheel (5) arranged so as to be driven by an energy source (400) of the watch (1000) or of a movement (800) by way of a gear train, and which carriage (10) carries an escapement mechanism (700) arranged so as to engage with said oscillator (200), and comprising an escape pinion (201) meshing with said fixed wheel (210) when said limiting device (100) comprises a tourbillon or meshing with a third wheel or a fourth wheel, comprised in said gear train, when said limiting device (100) comprises a karussel, said device (100) comprising a control rod (30) arranged to engage with a control member external to said tourbillon (300) or karussel, characterized in that said rod is arranged to push, substantially radially relative to said carriage axis (D), a resilient strip (4) which is arranged so as to bear substantially tangentially against said carriage wheel (5) in order to stop said carriage (10) upon passage of said control member from a rest position to an active position, and so as to remain remote from said carriage wheel (5) when said control member is in said rest position thereof.
  2. Limiting device (100) according to claim 1, characterised in that said device (100) comprises hand-setting means (500), which constitute or control said control member, which is arranged so as to move said control rod (30) in a first activation direction upon the passage of said hand-setting means (500) from a rest position T1 to an activated position T2, and to move said control rod (30) in a second direction opposite said first direction upon the passage of said hand-setting means (500) from said activated position T2 to said rest position T1.
  3. Limiting device (100) according to claim 1 or 2, characterised in that said resilient strip (4) comprises a toothing (41) arranged so as to engage by meshing with the toothing of said carriage wheel (5).
  4. Limiting device (100) according to any of claims 1 to 3, characterised in that said resilient strip (4) extends in the cantilever position relative to the fastening thereof on said control rod (30).
  5. Limiting device (100) according to any of claims 1 to 4, characterised in that said resilient strip (4) has a convex surface on said carriage (10) side.
  6. Limiting device (100) according to any of claims 1 to 4, characterised in that said resilient strip (4) has a concave surface on said carriage (10) side.
  7. Limiting device (100) according to any of claims 1 to 6, characterised in that said oscillator (200) is a sprung balance assembly.
  8. Watch (1000) comprising a horological movement (800) comprising energy storage means (400), an oscillator (200), hand-setting means (500), and a limiting device (100) according to any of claims 1 to 6 comprising said oscillator (200), characterised in that said tourbillon (300) or karussel constitutes a display member of said watch (1000), or is arranged so as to drive at least one display member of said watch (1000), and in that said hand-setting means (500) constitute or control said control members.
EP19187811.5A 2019-07-23 2019-07-23 Timepiece stop-cage with blade for stopping the cage Active EP3770695B1 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
EP19187811.5A EP3770695B1 (en) 2019-07-23 2019-07-23 Timepiece stop-cage with blade for stopping the cage
US16/901,112 US11604434B2 (en) 2019-07-23 2020-06-15 Horological carriage-stop with carriage stop strip
TW109120386A TWI743839B (en) 2019-07-23 2020-06-17 Horological limiting device for a watch and watch having the same
JP2020117503A JP7015873B2 (en) 2019-07-23 2020-07-08 Carriage stop Carriage stop for timekeepers with slender material
KR1020200087662A KR102410079B1 (en) 2019-07-23 2020-07-15 Horological carriage-stop with carriage stop strip
RU2020124365A RU2741258C1 (en) 2019-07-23 2020-07-22 Clock carriage stopper with carriage stop strip
CN202010718597.9A CN112305893B (en) 2019-07-23 2020-07-23 Timepiece carrier stop with carrier stop bar

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19187811.5A EP3770695B1 (en) 2019-07-23 2019-07-23 Timepiece stop-cage with blade for stopping the cage

Publications (2)

Publication Number Publication Date
EP3770695A1 EP3770695A1 (en) 2021-01-27
EP3770695B1 true EP3770695B1 (en) 2022-01-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP19187811.5A Active EP3770695B1 (en) 2019-07-23 2019-07-23 Timepiece stop-cage with blade for stopping the cage

Country Status (7)

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US (1) US11604434B2 (en)
EP (1) EP3770695B1 (en)
JP (1) JP7015873B2 (en)
KR (1) KR102410079B1 (en)
CN (1) CN112305893B (en)
RU (1) RU2741258C1 (en)
TW (1) TWI743839B (en)

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Also Published As

Publication number Publication date
KR102410079B1 (en) 2022-06-16
CN112305893B (en) 2022-02-18
EP3770695A1 (en) 2021-01-27
KR20210012923A (en) 2021-02-03
JP7015873B2 (en) 2022-02-03
RU2741258C1 (en) 2021-01-22
TWI743839B (en) 2021-10-21
US20210026302A1 (en) 2021-01-28
TW202105096A (en) 2021-02-01
JP2021018243A (en) 2021-02-15
CN112305893A (en) 2021-02-02
US11604434B2 (en) 2023-03-14

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