EP3101486A1 - Heart of timepiece or chronograph - Google Patents

Heart of timepiece or chronograph Download PDF

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Publication number
EP3101486A1
EP3101486A1 EP15170299.0A EP15170299A EP3101486A1 EP 3101486 A1 EP3101486 A1 EP 3101486A1 EP 15170299 A EP15170299 A EP 15170299A EP 3101486 A1 EP3101486 A1 EP 3101486A1
Authority
EP
European Patent Office
Prior art keywords
core
mobile
wheel
spring
hammer
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
EP15170299.0A
Other languages
German (de)
French (fr)
Other versions
EP3101486B1 (en
Inventor
Matthäus Friedli
Roman Egli
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.)
ETA SA Manufacture Horlogere Suisse
Original Assignee
ETA SA Manufacture Horlogere Suisse
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 ETA SA Manufacture Horlogere Suisse filed Critical ETA SA Manufacture Horlogere Suisse
Priority to EP15170299.0A priority Critical patent/EP3101486B1/en
Priority to US15/158,117 priority patent/US9599966B2/en
Priority to JP2016103931A priority patent/JP6114859B2/en
Priority to CN201620527016.2U priority patent/CN205827084U/en
Priority to CN201610388507.8A priority patent/CN106227018B/en
Publication of EP3101486A1 publication Critical patent/EP3101486A1/en
Application granted granted Critical
Publication of EP3101486B1 publication Critical patent/EP3101486B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F7/00—Apparatus for measuring unknown time intervals by non-electric means
    • G04F7/04—Apparatus for measuring unknown time intervals by non-electric means using a mechanical oscillator
    • G04F7/08—Watches or clocks with stop devices, e.g. chronograph
    • G04F7/0804—Watches or clocks with stop devices, e.g. chronograph with reset mechanisms
    • G04F7/0809—Watches or clocks with stop devices, e.g. chronograph with reset mechanisms with single hammers, i.e. one hammer acts on each counter
    • 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
    • G04B13/025—Wheels; Pinions; Spindles; Pivots with elastic means between the toothing and the hub of a toothed wheel
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F7/00—Apparatus for measuring unknown time intervals by non-electric means
    • G04F7/04—Apparatus for measuring unknown time intervals by non-electric means using a mechanical oscillator
    • G04F7/06—Apparatus for measuring unknown time intervals by non-electric means using a mechanical oscillator running only during the time interval to be measured, e.g. stop-watch
    • G04F7/062—Apparatus for measuring unknown time intervals by non-electric means using a mechanical oscillator running only during the time interval to be measured, e.g. stop-watch with reset 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
    • G04B1/00—Driving mechanisms
    • G04B1/10—Driving mechanisms with mainspring
    • G04B1/16—Barrels; Arbors; Barrel axles
    • 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
    • G04B19/00—Indicating the time by visual means
    • G04B19/22—Arrangements for indicating different local apparent times; Universal time pieces
    • 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
    • G04B19/22—Arrangements for indicating different local apparent times; Universal time pieces
    • G04B19/223—Arrangements for indicating different local apparent times; Universal time pieces with rotary disc, rotary bezel, or rotary dial
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F7/00—Apparatus for measuring unknown time intervals by non-electric means
    • G04F7/04—Apparatus for measuring unknown time intervals by non-electric means using a mechanical oscillator
    • G04F7/08—Watches or clocks with stop devices, e.g. chronograph
    • G04F7/0804—Watches or clocks with stop devices, e.g. chronograph with reset mechanisms

Definitions

  • the invention relates to a clockwork mobile comprising a shaft carrying a wheel, and a heart indexed angularly in position relative to this wheel.
  • the invention also relates to a chronograph mechanism comprising at least one such mobile, associated with a hammer or a reset control member.
  • the invention also relates to a GMT time indication mechanism over several time zones comprising at least one such mobile, associated with a hammer or a reset control member.
  • the invention also relates to a watch movement comprising at least one such mobile, associated with a hammer or a reset control member, and / or such a chronograph mechanism, and / or such a mechanism GMT.
  • the invention also relates to a watch comprising at least one such mobile, associated with a hammer or a reset control member, and / or such a chronograph mechanism, and / or such a GMT mechanism, and / or such movement.
  • the invention relates to the field of clockwork with heart cams.
  • a heart-type reset element especially for the delivery of a chronograph counter in zero position, generally requires the use of a jumper, bulky, and energy consumer, or of a hammer flexible or articulated in several parts.
  • the invention proposes to ensure the precise positioning of a heart in zero position, without resorting to a flexible or articulated hammer, or to a jumper positioning.
  • the invention thus proposes to compensate for the set of tolerances manufacturing unit components, which ordinarily condition the accuracy of the zero position.
  • the main purpose is the best possible adaptation of the core to the hammer to compensate for all the shape defects due to the execution tolerances.
  • the invention relates to a watchmaker according to claim 1.
  • the invention also relates to a chronograph mechanism comprising at least one such mobile, associated with a hammer or a reset control member.
  • the invention also relates to a GMT 200 time indication mechanism over several time zones comprising at least one such mobile, associated with a hammer or a reset control member.
  • the invention also relates to a watch movement 300 comprising at least one such mobile, associated with a hammer or a reset control member, and / or such a chronograph mechanism, and / or such a GMT mechanism.
  • the invention also relates to a watch 400 comprising at least one such mobile, associated with a hammer or a reset control member, and / or such a chronograph mechanism, and / or such a GMT mechanism, and / or a such movement.
  • the invention relates to a watch mobile 1 1.
  • the core 2 is mounted floating in a radial direction R with respect to the axis D of the shaft 3 of the mobile 1, and is biased in the neutral position towards this axis D by at least one flexible element 6.
  • This flexible element 6 is either a flexible blade 25, 26, integrated in the core 2, or a spring 60 interposed between the wheel 4 and the core 2.
  • This at least one flexible element 6 is sized to damp an impact applied to a peripheral cam track 23 that includes the core 2.
  • this at least one flexible element 6 is a spring 60 interposed between the wheel 4 and the core 2, as visible on the Figures 1, 2 , 7 to 9 .
  • this spring 60 comprises at least one distal end 61, 62, which is arranged to cooperate with a housing 21, 22, which comprises the core 2, and this spring 60 comprises a radiated portion 64, which is arranged to cooperate in support with a housing 9 that includes the wheel 4 so as to tend to push the heart 2 to the axis D of the shaft 3.
  • this housing 9 is a circular groove.
  • the spring 60 is symmetrical with respect to a spring plane PRE, which is, in the service position of the spring, coinciding with a radial plane PRA passing through the axis D of the shaft 3 and parallel to the radial direction R.
  • the first radiated part 64 which has a center of curvature towards the inside of the wheel 4, is made of two symmetrical parts on either side of a second radiated part 63.
  • This second radiated part 63 is of curvature inverse to that of the first radiated part 64, and its center of curvature is located outside the wheel 4.
  • the second radiated part 63 is located at the spring plane PRE and in its immediate vicinity, to define two zones of symmetrical contact between the spring 60 and the wheel 4, so that the resultant of the elastic return force exerted by the spring 60 on the core 2 for its return to the axis D of the shaft 3 is located on a radial with respect to this axis D, according to the direct radial ion R.
  • the core 2 comprises a central oblong slot 30 with two parallel faces, which is arranged to guide the shaft 3 to a minimum clearance.
  • the core 2 also comprises, aligned in parallel with the central oblong slot 30, an eccentric light 50 which is arranged to guide a minimum clearance pin 5 mounted integral with the wheel 4, so as to allow the relative mobility of the core 2 relative to the shaft 3 between two stop positions in the radial direction R.
  • the core 2 is then symmetrical with respect to a plane of symmetry PS parallel to the two lumens: central oblong light 30 and eccentric light 50.
  • its peripheral cam track 23 comprises, in the vicinity of central oblong light 30 a flattened area 20, which is arranged to cooperate with a hammer or reset control member.
  • the mobile 1 comprises at least one blade 25, 26 integrated in the core 2, and at least one spring 60 interposed between the wheel 4 and the core 2.
  • the Figures 14 and 15 illustrate a mixed configuration, where the wheel 4 has a groove 9 in which is housed a lower portion 2A of a core 2, which has elastic tabs 91 for holding the lower portion 2A in the groove 9, and elastic blades 92 which play the same role as the spring 20 of the Figures 1 and 2 , tending to push the heart 2 towards the axis D of the shaft 3.
  • This lower portion 2A is secured to an upper portion 2B, which is equivalent to the heart 2 of the figure 10 , and which supports the striking of a hammer or the like.
  • the damping effect is a side effect, which can be positive when the heart is almost at its neutral position, the maximum torque of the hammer acting on the heart is then amortized.
  • the invention also relates to a chronograph mechanism 100 comprising at least one such mobile 1, associated with a hammer or a reset control member.
  • the invention also relates to a GMT 200 time indication mechanism over several time zones comprising at least one such mobile 1, associated with a hammer or a reset control member.
  • the invention also relates to a watch movement 300 comprising at least one such mobile 1, associated with a hammer or a reset control member, and / or such a chronograph mechanism 100, and / or such a GMT mechanism. 200.
  • the invention also relates to a watch 400 comprising at least one such mobile 1, associated with a hammer or a reset control member, and / or such a chronograph mechanism 100, and / or such a mechanism GMT 200, or and such a movement 300.

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

Abstract

Mobile (1) d'horlogerie comportant un arbre (3) porteur d'une roue (4), et un coeur (2) indexé angulairement en position par rapport à ladite roue (4). Ce coeur (2) est monté flottant dans une direction radiale (R) par rapport à l'axe (D) dudit arbre (3) dudit mobile (1), et rappelé en position neutre vers ledit axe (D) par au moins un élément flexible (6), ledit élément flexible (6) étant, ou bien une lame (25 ; 26) intégrée audit coeur (2), ou bien un ressort (60) interposé entre ladite roue (4) et ledit coeur (2), et ledit au moins un élément flexible (6) étant dimensionné pour amortir un impact appliqué à une piste de came périphérique (23) que comporte ledit coeur (2).Mobile watch (1) comprising a shaft (3) carrying a wheel (4), and a core (2) angularly indexed in position relative to said wheel (4). This core (2) is mounted floating in a radial direction (R) with respect to the axis (D) of said shaft (3) of said mobile (1), and is biased in the neutral position towards said axis (D) by at least one flexible element (6), said flexible element (6) being either a blade (25; 26) integrated in said core (2), or a spring (60) interposed between said wheel (4) and said core (2) , and said at least one flexible element (6) being dimensioned to damp an impact applied to a peripheral cam track (23) that comprises said core (2).

Description

Domaine de l'inventionField of the invention

L'invention concerne un mobile d'horlogerie comportant un arbre porteur d'une roue, et un coeur indexé angulairement en position par rapport à cette roue.The invention relates to a clockwork mobile comprising a shaft carrying a wheel, and a heart indexed angularly in position relative to this wheel.

L'invention concerne encore un mécanisme de chronographe comportant au moins un tel mobile, associé à un marteau ou un organe de commande de remise à zéro.The invention also relates to a chronograph mechanism comprising at least one such mobile, associated with a hammer or a reset control member.

L'invention concerne encore un mécanisme GMT d'indication horaire sur plusieurs fuseaux horaires comportant au moins un tel mobile, associé à un marteau ou un organe de commande de remise à zéro.The invention also relates to a GMT time indication mechanism over several time zones comprising at least one such mobile, associated with a hammer or a reset control member.

L'invention concerne encore un mouvement d'horlogerie comportant au moins un tel mobile, associé à un marteau ou un organe de commande de remise à zéro, ou/et un tel mécanisme de chronographe, ou/et un tel mécanisme GMT.The invention also relates to a watch movement comprising at least one such mobile, associated with a hammer or a reset control member, and / or such a chronograph mechanism, and / or such a mechanism GMT.

L'invention concerne encore une montre comportant au moins un tel mobile, associé à un marteau ou un organe de commande de remise à zéro, ou/et un tel mécanisme de chronographe, ou/et un tel mécanisme GMT, ou/et un tel mouvement.The invention also relates to a watch comprising at least one such mobile, associated with a hammer or a reset control member, and / or such a chronograph mechanism, and / or such a GMT mechanism, and / or such movement.

L'invention concerne le domaine des mécanisme d'horlogerie comportant des cames coeurs.The invention relates to the field of clockwork with heart cams.

Arrière-plan de l'inventionBackground of the invention

Le positionnement d'un organe de remise à zéro de type coeur, notamment pour la remise d'un compteur de chronographe en position zéro, nécessite généralement l'emploi d'un sautoir, encombrant, et consommateur d'énergie, ou encore d'un marteau flexible ou articulé en plusieurs parties.The positioning of a heart-type reset element, especially for the delivery of a chronograph counter in zero position, generally requires the use of a jumper, bulky, and energy consumer, or of a hammer flexible or articulated in several parts.

Résumé de l'inventionSummary of the invention

L'invention se propose d'assurer le positionnement précis d'un coeur en position zéro, sans recourir à un marteau flexible ou articulé, ni à un sautoir de positionnement. L'invention se propose ainsi de compenser le jeu des tolérances de fabrication des composant unitaires, qui conditionnent d'ordinaire l'exactitude de la position zéro.The invention proposes to ensure the precise positioning of a heart in zero position, without resorting to a flexible or articulated hammer, or to a jumper positioning. The invention thus proposes to compensate for the set of tolerances manufacturing unit components, which ordinarily condition the accuracy of the zero position.

Le but principal est la meilleure adaptation possible du coeur au marteau pour compenser tous les défauts de formes dûs aux tolérances d'exécution.The main purpose is the best possible adaptation of the core to the hammer to compensate for all the shape defects due to the execution tolerances.

A cet effet, l'invention concerne un mobile d'horlogerie selon la revendication 1.For this purpose, the invention relates to a watchmaker according to claim 1.

L'invention concerne encore un mécanisme de chronographe comportant au moins un tel mobile, associé à un marteau ou un organe de commande de remise à zéro.The invention also relates to a chronograph mechanism comprising at least one such mobile, associated with a hammer or a reset control member.

L'invention concerne encore un mécanisme GMT 200 d'indication horaire sur plusieurs fuseaux horaires comportant au moins un tel mobile, associé à un marteau ou un organe de commande de remise à zéro.The invention also relates to a GMT 200 time indication mechanism over several time zones comprising at least one such mobile, associated with a hammer or a reset control member.

L'invention concerne encore un mouvement d'horlogerie 300 comportant au moins un tel mobile, associé à un marteau ou un organe de commande de remise à zéro, ou/et un tel mécanisme de chronographe, ou/et un tel mécanisme GMT.The invention also relates to a watch movement 300 comprising at least one such mobile, associated with a hammer or a reset control member, and / or such a chronograph mechanism, and / or such a GMT mechanism.

L'invention concerne encore une montre 400 comportant au moins un tel mobile, associé à un marteau ou un organe de commande de remise à zéro, ou/et un tel mécanisme de chronographe, ou/et un tel mécanisme GMT, ou/et un tel mouvement.The invention also relates to a watch 400 comprising at least one such mobile, associated with a hammer or a reset control member, and / or such a chronograph mechanism, and / or such a GMT mechanism, and / or a such movement.

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, et en vue en plan, un mobile selon l'invention, comportant un arbre porteur d'une roue, et un coeur indexé angulairement en position par rapport à cette roue, ce mobile comportant un ressort entre la roue et le coeur d'indexage;
  • la figure 2 représente le même mobile en coupe dans un plan passant par un plan de symétrie, passant par l'axe de pivotement du mobile et aligné selon une direction radiale préférentielle de mobilité du coeur;
  • la figure 3 représente le coeur en vue en plan ;
  • la figure 4 représente le coeur en vue en coupe par un plan de symétrie;
  • la figure 5 représente la roue en vue en plan ;
  • la figure 6 représente la roue en vue en coupe par un plan de symétrie;
  • les figures 7 à 9 représentent, sous différents angles, le ressort visible sur Is figures 1 et 2, joignant le coeur à la roue ;
  • les figures 10 à 13 représentent, en vue en plan, différentes variantes de coeurs comportant des lames flexibles constituant une surface méplate de contact avec un marteau ou similaire ;
  • les figures 14 et 15 représentent, en vue en plan et en coupe par un plan de symétrie aligné selon une direction radiale préférentielle de mobilité du coeur une variante de coeur comportant une partie supérieure coopérant avec un marteau et similaire à celui de la figure 10, et une partie inférieure coopérant avec la roue et tendant à rappeler le coeur vers l'axe de pivotement du mobile ;
  • la figure 16 est un schéma-blocs représentant une montre comportant un mouvement, lequel comporte un mécanisme de chronographe et un mécanisme GMT, tous deux équipés avec au moins un mobile selon l'invention.
Other features and advantages of the invention will appear on reading the detailed description which follows, with reference to the appended drawings, in which:
  • the figure 1 represents, schematically, and in plan view, a mobile according to the invention, comprising a shaft carrying a wheel, and a heart angularly indexed in position with respect to this wheel, this wheel having a spring between the wheel and the indexing heart;
  • the figure 2 represents the same mobile section in a plane passing through a plane of symmetry, passing through the pivot axis of the mobile and aligned in a preferred radial direction of mobility of the core;
  • the figure 3 represents the heart in plan view;
  • the figure 4 represents the heart in sectional view by a plane of symmetry;
  • the figure 5 represents the wheel in plan view;
  • the figure 6 represents the wheel in sectional view by a plane of symmetry;
  • the Figures 7 to 9 represent, from different angles, the visible spring on Is Figures 1 and 2 , joining the heart to the wheel;
  • the Figures 10 to 13 show, in plan view, different core variants having flexible blades constituting a flat contact surface with a hammer or the like;
  • the Figures 14 and 15 represent, in plan view and in section through a plane of symmetry aligned in a preferred radial direction of mobility of the heart, a variant of a core comprising an upper part cooperating with a hammer and similar to that of the figure 10 , and a lower portion cooperating with the wheel and tending to return the heart towards the pivot axis of the mobile;
  • the figure 16 is a block diagram representing a watch comprising a movement, which comprises a chronograph mechanism and a GMT mechanism, both equipped with at least one mobile according to the invention.

Description détaillée des modes de réalisation préférésDetailed Description of the Preferred Embodiments

L'invention concerne un mobile 1 d'horlogerie 4.The invention relates to a watch mobile 1 1.

Selon l'invention, le coeur 2 est monté flottant dans une direction radiale R par rapport à l'axe D de l'arbre 3 du mobile 1, et est rappelé en position neutre vers cet axe D par au moins un élément flexible 6. Cet élément flexible 6 est, ou bien une lame flexible 25, 26, intégrée au coeur 2, ou bien un ressort 60 interposé entre la roue 4 et le coeur 2. Cet au moins un élément flexible 6 est dimensionné pour amortir un impact appliqué à une piste de came périphérique 23 que comporte le coeur 2.According to the invention, the core 2 is mounted floating in a radial direction R with respect to the axis D of the shaft 3 of the mobile 1, and is biased in the neutral position towards this axis D by at least one flexible element 6. This flexible element 6 is either a flexible blade 25, 26, integrated in the core 2, or a spring 60 interposed between the wheel 4 and the core 2. This at least one flexible element 6 is sized to damp an impact applied to a peripheral cam track 23 that includes the core 2.

Dans un premier mode de réalisation de l'invention, cet au moins un élément flexible 6 est un ressort 60 interposé entre la roue 4 et le coeur 2, tel que visible sur les figures 1, 2, 7 à 9.In a first embodiment of the invention, this at least one flexible element 6 is a spring 60 interposed between the wheel 4 and the core 2, as visible on the Figures 1, 2 , 7 to 9 .

Plus particulièrement, ce ressort 60 comporte au moins une extrémité distale 61, 62, qui est agencée pour coopérer avec un logement 21, 22, que comporte le coeur 2, et ce ressort 60 comporte une partie rayonnée 64, laquelle est agencée pour coopérer en appui avec un logement 9 que comporte la roue 4 de façon à tendre à repousser le coeur 2 vers l'axe D de l'arbre 3. Sur la version non limitative illustrée par les figures, ce logement 9 est une gorge circulaire.More particularly, this spring 60 comprises at least one distal end 61, 62, which is arranged to cooperate with a housing 21, 22, which comprises the core 2, and this spring 60 comprises a radiated portion 64, which is arranged to cooperate in support with a housing 9 that includes the wheel 4 so as to tend to push the heart 2 to the axis D of the shaft 3. On the non-limiting version illustrated by the figures, this housing 9 is a circular groove.

Dans une réalisation particulière visible sur les figures 7 à 9, le ressort 60 est symétrique par rapport à un plan de ressort PRE, qui est, en position de service du ressort, confondu avec un plan radial PRA passant par l'axe D de l'arbre 3 et parallèle à la direction radiale R. Et la première partie rayonnée 64, qui a un centre de courbure vers l'intérieur de la roue 4, est faite de deux parties symétriques de part et d'autre d'une deuxième partie rayonnée 63. Cette deuxième partie rayonnée 63 est de courbure inverse à celle de la première partie rayonnée 64, et son centre de courbure est situé à l'extérieur de la roue 4. La deuxième partie rayonnée 63 est située au niveau du plan de ressort PRE et à son voisinage immédiat, pour définir deux zones de contact symétriques entre le ressort 60 et la roue 4, de façon à ce que la résultante de l'effort de rappel élastique exercé par le ressort 60 sur le coeur 2 pour son renvoi vers l'axe D de l'arbre 3 soit située sur une radiale par rapport à cet axe D, selon la direction radiale R.In a particular achievement visible on Figures 7 to 9 the spring 60 is symmetrical with respect to a spring plane PRE, which is, in the service position of the spring, coinciding with a radial plane PRA passing through the axis D of the shaft 3 and parallel to the radial direction R. And the first radiated part 64, which has a center of curvature towards the inside of the wheel 4, is made of two symmetrical parts on either side of a second radiated part 63. This second radiated part 63 is of curvature inverse to that of the first radiated part 64, and its center of curvature is located outside the wheel 4. The second radiated part 63 is located at the spring plane PRE and in its immediate vicinity, to define two zones of symmetrical contact between the spring 60 and the wheel 4, so that the resultant of the elastic return force exerted by the spring 60 on the core 2 for its return to the axis D of the shaft 3 is located on a radial with respect to this axis D, according to the direct radial ion R.

Dans un mode particulier de réalisation de 'invention, tel que visible sur les figures 1 à 3, le coeur 2 comporte une lumière oblongue centrale 30 avec deux faces parallèles, qui est agencée pour guider à jeu minimal l'arbre 3. Le coeur 2 comporte encore, alignée parallèlement avec la lumière oblongue centrale 30, une lumière excentrée 50 qui est agencée pour guider à jeu minimal un pion 5 monté solidaire de la roue 4, de façon à autoriser la mobilité relative du coeur 2 par rapport à l'arbre 3 entre deux positions de butée selon la direction radiale R.In a particular embodiment of the invention, as visible on the Figures 1 to 3 , the core 2 comprises a central oblong slot 30 with two parallel faces, which is arranged to guide the shaft 3 to a minimum clearance. The core 2 also comprises, aligned in parallel with the central oblong slot 30, an eccentric light 50 which is arranged to guide a minimum clearance pin 5 mounted integral with the wheel 4, so as to allow the relative mobility of the core 2 relative to the shaft 3 between two stop positions in the radial direction R.

De préférence, le coeur 2 est alors symétrique par rapport à un plan de symétrie PS parallèle aux deux lumières : la lumière oblongue centrale 30 et la lumière excentrée 50. Et sa piste de came périphérique 23 comporte, au voisinage de la lumière oblongue centrale 30, une zone méplate 20, qui est agencée pour coopérer avec un marteau ou un organe de commande de remise à zéro.Preferably, the core 2 is then symmetrical with respect to a plane of symmetry PS parallel to the two lumens: central oblong light 30 and eccentric light 50. And its peripheral cam track 23 comprises, in the vicinity of central oblong light 30 a flattened area 20, which is arranged to cooperate with a hammer or reset control member.

Dans un deuxième mode de réalisation de l'invention, tel que visible sur les figures 10 à 13, cet au moins un élément flexible 6 est une lame 25, 26, qui est intégrée au coeur 2, et comporte une partie de la surface périphérique 23 dont au moins une zone méplate 20 est agencée pour coopérer avec un marteau ou un organe de commande de remise à zéro. Cette lame 25, 26, est dimensionnée pour amortir l'effort de percussion imprimé par un marteau ou organe de commande de remise à zéro.

  • La figure 10 montre un coeur 2 avec une piste de came périphérique 23 continue, la lame 25 est séparée de la partie massive du coeur 2 par une rainure 28.
  • La figure 11 montre une configuration où la piste de came périphérique 23 est discontinue, la zone méplate 20 est réduite aux deux extrémités distales de deux lames 26 en porte à faux, chacune est séparée de la partie massive du coeur 2 par une rainure 27, débouchante au niveau d'une ouverture 24 séparant les deux lames 26.
  • La figure 12 illustre une variante de la figure 11, où le coeur 2 comporte, au voisinage de sa piste de came périphérique 23, des poches 28 lui donnant une certaine flexibilité.
  • La figure 13 montre un coeur 2 asymétrique, dont la zone méplate 20 est réduite à une partie massive du coeur, et à l'extrémité distale d'une lame 26 unique en porte à faux devant une poche 29 de grand volume.
In a second embodiment of the invention, as visible on the Figures 10 to 13 this at least one flexible element 6 is a blade 25, 26, which is integrated in the core 2, and comprises a portion of the peripheral surface 23, at least one flattened zone 20 is arranged to cooperate with a hammer or a control member reset. This blade 25, 26 is dimensioned to damp the percussion force printed by a hammer or reset control member.
  • The figure 10 shows a core 2 with a continuous peripheral cam track 23, the blade 25 is separated from the solid part of the core 2 by a groove 28.
  • The figure 11 shows a configuration where the peripheral cam track 23 is discontinuous, the flattened area 20 is reduced to the two distal ends of two cantilever blades 26, each is separated from the solid portion of the core 2 by a groove 27, opening at the an opening 24 separating the two blades 26.
  • The figure 12 illustrates a variant of the figure 11 , where the core 2 comprises, in the vicinity of its peripheral cam track 23, pockets 28 giving it a certain flexibility.
  • The figure 13 shows an asymmetrical heart 2, whose flattened area 20 is reduced to a solid portion of the heart, and the distal end of a single blade 26 cantilevered in front of a pocket 29 of large volume.

Dans une configuration mixte, le mobile 1 comporte au moins une lame 25, 26, intégrée au coeur 2, et au moins un ressort 60 interposé entre la roue 4 et le coeur 2.In a mixed configuration, the mobile 1 comprises at least one blade 25, 26 integrated in the core 2, and at least one spring 60 interposed between the wheel 4 and the core 2.

Les figures 14 et 15 illustrent une configuration mixte, où la roue 4 comporte une gorge 9 dans laquelle est logée une partie inférieur 2A d'un coeur 2, qui comporte des pattes élastiques 91 de maintien de cette partie inférieure 2A dans la gorge 9, et des lames élastiques 92 qui jouent le même rôle que le ressort 20 des figures 1 et 2, en tendant à repousser le coeur 2 vers l'axe D de l'arbre 3. Cette partie inférieure 2A est solidaire d'une partie supérieure 2B, qui équivaut au coeur 2 de la figure 10, et qui supporte la frappe d'un marteau ou similaire.The Figures 14 and 15 illustrate a mixed configuration, where the wheel 4 has a groove 9 in which is housed a lower portion 2A of a core 2, which has elastic tabs 91 for holding the lower portion 2A in the groove 9, and elastic blades 92 which play the same role as the spring 20 of the Figures 1 and 2 , tending to push the heart 2 towards the axis D of the shaft 3. This lower portion 2A is secured to an upper portion 2B, which is equivalent to the heart 2 of the figure 10 , and which supports the striking of a hammer or the like.

Ainsi, dans les différentes configurations illustrées, on assure le meilleur contact entre le coeur et le marteau lors de la remise à zéro, et donc une position parfaite.Thus, in the various configurations illustrated, it ensures the best contact between the heart and the hammer during the reset, and therefore a perfect position.

Que le coeur comporte des parties flexibles intégrées, ou qu'il soit suspendu à la roue, l'effet obtenu est similaire. La compensation des tolérances est ainsi assurée.Whether the heart has integrated flexible parts, or that it is suspended from the wheel, the effect obtained is similar. Tolerance compensation is thus ensured.

L'effet d'amortissement est un effet secondaire, qui peut être positif au moment où le coeur est presque à sa position neutre, le couple maximal du marteau qui agit sur le coeur est alors amorti.The damping effect is a side effect, which can be positive when the heart is almost at its neutral position, the maximum torque of the hammer acting on the heart is then amortized.

Bien d'autres configurations peuvent être imaginées avec des lames flexibles ou/et des ressorts classiques, sans s'éloigner de l'invention.Many other configurations can be imagined with flexible blades or / and conventional springs, without departing from the invention.

L'invention concerne encore un mécanisme de chronographe 100 comportant au moins un tel mobile 1, associé à un marteau ou un organe de commande de remise à zéro.The invention also relates to a chronograph mechanism 100 comprising at least one such mobile 1, associated with a hammer or a reset control member.

L'invention concerne encore un mécanisme GMT 200 d'indication horaire sur plusieurs fuseaux horaires comportant au moins un tel mobile 1, associé à un marteau ou un organe de commande de remise à zéro.The invention also relates to a GMT 200 time indication mechanism over several time zones comprising at least one such mobile 1, associated with a hammer or a reset control member.

L'invention concerne encore un mouvement d'horlogerie 300 comportant au moins un tel mobile 1, associé à un marteau ou un organe de commande de remise à zéro, ou/et un tel mécanisme de chronographe 100, ou/et un tel mécanisme GMT 200.The invention also relates to a watch movement 300 comprising at least one such mobile 1, associated with a hammer or a reset control member, and / or such a chronograph mechanism 100, and / or such a GMT mechanism. 200.

L'invention concerne encore une montre 400 comportant au moins un tel mobile 1, associé à un marteau ou un organe de commande de remise à zéro, ou/et un tel mécanisme de chronographe 100, ou/et un tel mécanisme GMT 200, ou/et un tel mouvement 300.The invention also relates to a watch 400 comprising at least one such mobile 1, associated with a hammer or a reset control member, and / or such a chronograph mechanism 100, and / or such a mechanism GMT 200, or and such a movement 300.

Claims (12)

Mobile (1) d'horlogerie comportant un arbre (3) porteur d'une roue (4), et un coeur (2) indexé angulairement en position par rapport à ladite roue (4), caractérisé en ce que ledit coeur (2) est monté flottant dans une direction radiale (R) par rapport à l'axe (D) dudit arbre (3) dudit mobile (1), et rappelé en position neutre vers ledit axe (D) par au moins un élément flexible (6), ledit élément flexible (6) étant, ou bien une lame (25 ; 26) intégrée audit coeur (2), ou bien un ressort (60) interposé entre ladite roue (4) et ledit coeur (2), et ledit au moins un élément flexible (6) étant dimensionné pour amortir un impact appliqué à une piste de came périphérique (23) que comporte ledit coeur (2).Mobile watch (1) comprising a shaft (3) carrying a wheel (4), and a core (2) angularly indexed in position relative to said wheel (4), characterized in that said core (2) is mounted floating in a radial direction (R) with respect to the axis (D) of said shaft (3) of said mobile (1), and biased in said neutral position towards said axis (D) by at least one flexible element (6) said flexible element (6) being either a blade (25; 26) integrated with said core (2), or a spring (60) interposed between said wheel (4) and said core (2), and said at least one a flexible element (6) being dimensioned to damp an impact applied to a peripheral cam track (23) that comprises said core (2). Mobile (1) selon la revendication 1, caractérisé en ce que ledit au moins un élément flexible (6) est un ressort (60) interposé entre ladite roue (4) et ledit coeur (2).Mobile (1) according to claim 1, characterized in that said at least one flexible element (6) is a spring (60) interposed between said wheel (4) and said core (2). Mobile (1) selon la revendication 2, caractérisé en ce que ledit ressort (60) comporte au moins une extrémité distale (61 ; 62) agencée pour coopérer avec un logement (21 ; 22) que comporte ledit coeur (2), et comporte une partie rayonnée (64) agencée pour coopérer en appui avec un logement (9) que comporte ladite roue (4) de façon à tendre à repousser ledit coeur (2) vers ledit axe (D) dudit arbre (3).Mobile (1) according to claim 2, characterized in that said spring (60) comprises at least one distal end (61; 62) arranged to cooperate with a housing (21; 22) that comprises said core (2), and comprises a radiated portion (64) arranged to cooperate in abutment with a housing (9) that comprises said wheel (4) so as to tend to push said core (2) towards said axis (D) of said shaft (3). Mobile (1) selon la revendication 3, caractérisé en ce que ledit ressort (60) est symétrique par rapport à un plan de ressort (PRE), qui est, en position de service dudit ressort, confondu avec un plan radial (PRA) passant par ledit axe (D) dudit arbre (3) et parallèle à ladite direction radiale (R), et en ce que ladite première partie rayonnée (64), qui a un centre de courbure vers l'intérieur de ladite roue (4), est faite de deux parties symétriques de part et d'autre d'une deuxième partie rayonnée (63), de courbure inverse à la sienne et de centre de courbure situé à l'extérieur de ladite roue (4), qui est située au niveau dudit plan de ressort (PRE) et à son voisinage immédiat, pour définir deux zones de contact symétriques entre ledit ressort (60) et ladite roue (4), de façon à ce que la résultante de l'effort de rappel élastique exercé par ledit ressort (60) sur ledit coeur (2) pour son renvoi vers ledit axe (D) dudit arbre (3) soit située sur une radiale par rapport audit axe (D), selon ladite direction radiale (R).Mobile (1) according to claim 3, characterized in that said spring (60) is symmetrical with respect to a spring plane (PRE), which is, in the service position of said spring, coincides with a radial plane (PRA) passing by said axis (D) of said shaft (3) and parallel to said radial direction (R), and in that said first radiated portion (64), which has a center of curvature towards the inside of said wheel (4), is made of two symmetrical parts on either side of a second radiated part (63), of curvature inverse to its own and of center of curvature situated outside said wheel (4), which is situated at the level of of said spring plane (PRE) and in its immediate vicinity, to define two symmetrical contact zones between said spring (60) and said wheel (4), so that the resultant of the elastic return force exerted by said spring (60) on said heart (2) for its return to said axis (D) of said shaft (3) is located on a radia relative to said axis (D) in said radial direction (R). Mobile (1) selon l'une des revendications 1 à 4, caractérisé en ce que ledit coeur (2) comporte une lumière oblongue centrale (30) avec deux faces parallèles et agencée pour guider à jeu minimal ledit arbre (3), et, alignée parallèlement avec ladite lumière oblongue centrale (30), une lumière excentrée (50) agencée pour guider à jeu minimal un pion (5) monté solidaire de ladite roue (4), de façon à autoriser la mobilité relative dudit coeur (2) par rapport audit arbre (3) entre deux positions de butée selon ladite direction radiale (R).Mobile (1) according to one of claims 1 to 4, characterized in that said core (2) comprises a central oblong slot (30) with two parallel faces and arranged to guide said shaft (3) to a minimum clearance, and, aligned in parallel with said central oblong slot (30), an eccentric slot (50) arranged to guide at minimum clearance a pin (5) mounted integral with said wheel (4). ), so as to allow the relative mobility of said core (2) relative to said shaft (3) between two abutment positions in said radial direction (R). Mobile (1) selon la revendication 5, caractérisé en ce que ledit coeur (2) est symétrique par rapport à un plan de symétrie (PS) parallèle auxdites lumière oblongue centrale (30) et lumière excentrée (50), et en ce que sa dite piste de came périphérique (23) comporte, au voisinage de ladite lumière oblongue centrale (30), une zone méplate (20) agencée pour coopérer avec un marteau ou un organe de commande de remise à zéro.Mobile (1) according to claim 5, characterized in that said core (2) is symmetrical with respect to a plane of symmetry (PS) parallel to said central oblong slot (30) and eccentric light (50), and in that its said peripheral cam track (23) comprises, in the vicinity of said central oblong slot (30), a flattened area (20) arranged to cooperate with a hammer or a reset control member. Mobile (1) selon la revendication 6, caractérisé en ce que ledit au moins un élément flexible (6) est une lame (25 ; 26) intégrée audit coeur (2), et comporte une partie de ladite surface périphérique (23) dont au moins une zone méplate (20) est agencée pour coopérer avec un marteau ou un organe de commande de remise à zéro, ladite lame (25 ; 26) étant dimensionnée pour amortir l'effort de percussion imprimé par un dit marteau ou organe de commande de remise à zéro.Mobile (1) according to claim 6, characterized in that said at least one flexible element (6) is a blade (25; 26) integrated in said core (2), and comprises a portion of said peripheral surface (23) of which at at least one flattened zone (20) is arranged to cooperate with a hammer or a reset control member, said blade (25; 26) being dimensioned to damp the percussion force printed by a said hammer or control member of reset. Mobile (1) selon les revendications 1 et 7, caractérisé en ce que ledit mobile (1) comporte au moins une dite lame (25 ; 26) intégrée audit coeur (2), et au moins un dit ressort (60) interposé entre ladite roue (4) et ledit coeur (2).Mobile (1) according to claims 1 and 7, characterized in that said mobile (1) comprises at least one said blade (25; 26) integrated with said core (2), and at least one said spring (60) interposed between said wheel (4) and said core (2). Mécanisme de chronographe (100) comportant au moins un mobile (1) selon l'une des revendications 1 à 8, associé à un marteau ou un organe de commande de remise à zéro.Chronograph mechanism (100) comprising at least one mobile (1) according to one of claims 1 to 8, associated with a hammer or a reset control member. Mécanisme GMT (200) d'indication horaire sur plusieurs fuseaux horaires comportant au moins un mobile (1) selon l'une des revendications 1 à 8, associé à un marteau ou un organe de commande de remise à zéro.GMT mechanism (200) for time indication over several time zones comprising at least one mobile (1) according to one of claims 1 to 8, associated with a hammer or a reset control member. Mouvement d'horlogerie (300) comportant au moins un mobile (1) selon l'une des revendications 1 à 8, associé à un marteau ou un organe de commande de remise à zéro.Clockwork movement (300) comprising at least one mobile (1) according to one of claims 1 to 8, associated with a hammer or a reset control member. Montre (400) comportant au moins un mobile (1) selon l'une des revendications 1 à 8, associé à un marteau ou un organe de commande de remise à zéro.Watch (400) comprising at least one mobile (1) according to one of claims 1 to 8, associated with a hammer or a reset control member.
EP15170299.0A 2015-06-02 2015-06-02 Heart of timepiece or chronograph Active EP3101486B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP15170299.0A EP3101486B1 (en) 2015-06-02 2015-06-02 Heart of timepiece or chronograph
US15/158,117 US9599966B2 (en) 2015-06-02 2016-05-18 Heart cam for a timepiece or chronograph
JP2016103931A JP6114859B2 (en) 2015-06-02 2016-05-25 Heart-shaped cam for timer or chronograph
CN201620527016.2U CN205827084U (en) 2015-06-02 2016-06-01 Clock and watch wheel set and include the timer structure of this clock and watch wheel set, GMT mechanism, watch and clock movement and wrist-watch
CN201610388507.8A CN106227018B (en) 2015-06-02 2016-06-01 For clock and watch or the heart-shaped cam of timer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP15170299.0A EP3101486B1 (en) 2015-06-02 2015-06-02 Heart of timepiece or chronograph

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EP3101486B1 EP3101486B1 (en) 2018-10-03

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Publication number Priority date Publication date Assignee Title
EP3101486B1 (en) * 2015-06-02 2018-10-03 ETA SA Manufacture Horlogère Suisse Heart of timepiece or chronograph
EP3422117B1 (en) * 2017-06-29 2020-05-27 Nivarox-FAR S.A. Shock-absorber bearing for a shaft of a timepiece rotating componant
CN107422627B (en) * 2017-08-31 2019-07-26 中山诺顿科研技术服务有限公司 A kind of clock of enhancing prompt
EP3486735B1 (en) * 2017-11-20 2020-09-30 Montres Breguet S.A. Second reset clock mechanism with snail cam
CN111258202B (en) * 2018-11-30 2023-09-05 天津海鸥表业集团有限公司 Intermittent reciprocating motion mechanism suitable for wrist-watch

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CH702718A2 (en) * 2010-02-25 2011-08-31 Montres Breguet Sa Time-zone mechanism for displaying time in specific time zone on main hand of dual time zone watch, has programmable and reprogrammable memory wheels directly or indirectly meshed with crown, and cannon-pinion forming output of differential

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CH706021B1 (en) * 2007-11-21 2013-07-31 Frank Mueller Watchland S A watch movement type and chronograph timepiece provided with such a movement.
EP2362277B1 (en) * 2010-02-25 2012-10-31 Montres Breguet SA On-demand time zone displayed on the main hand of a timepiece
EP2362276B1 (en) * 2010-02-25 2012-10-31 Montres Breguet SA Programmable and reprogrammable mechanical memory wheel for a timepiece
EP3101486B1 (en) * 2015-06-02 2018-10-03 ETA SA Manufacture Horlogère Suisse Heart of timepiece or chronograph

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US3875739A (en) * 1973-08-08 1975-04-08 Fontainemelon Horlogerie Control mechanism of at least one element of a timepiece which is running step by step
CH702718A2 (en) * 2010-02-25 2011-08-31 Montres Breguet Sa Time-zone mechanism for displaying time in specific time zone on main hand of dual time zone watch, has programmable and reprogrammable memory wheels directly or indirectly meshed with crown, and cannon-pinion forming output of differential

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CN205827084U (en) 2016-12-21
US9599966B2 (en) 2017-03-21
EP3101486B1 (en) 2018-10-03
CN106227018B (en) 2017-12-22
US20160357157A1 (en) 2016-12-08
JP2016224046A (en) 2016-12-28
JP6114859B2 (en) 2017-04-12
CN106227018A (en) 2016-12-14

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