EP3163384B1 - Flexible pivoting guide of a clock mobile - Google Patents

Flexible pivoting guide of a clock mobile Download PDF

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Publication number
EP3163384B1
EP3163384B1 EP15191369.6A EP15191369A EP3163384B1 EP 3163384 B1 EP3163384 B1 EP 3163384B1 EP 15191369 A EP15191369 A EP 15191369A EP 3163384 B1 EP3163384 B1 EP 3163384B1
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EP
European Patent Office
Prior art keywords
housing
elementary
mobile element
mobile
abutment surface
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
EP15191369.6A
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German (de)
French (fr)
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EP3163384A1 (en
Inventor
Roman Egli
Matthäus Friedli
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 Manufacture Horlogere Suisse SA
Original Assignee
ETA Manufacture Horlogere Suisse 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 ETA Manufacture Horlogere Suisse SA filed Critical ETA Manufacture Horlogere Suisse SA
Priority to CH01556/15A priority Critical patent/CH711681A2/en
Priority to EP15191369.6A priority patent/EP3163384B1/en
Priority to US15/244,101 priority patent/US9829861B2/en
Priority to JP2016176292A priority patent/JP6283078B2/en
Priority to CN201610933347.0A priority patent/CN106873346B/en
Publication of EP3163384A1 publication Critical patent/EP3163384A1/en
Application granted granted Critical
Publication of EP3163384B1 publication Critical patent/EP3163384B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/008—Mounting, assembling of components
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F7/00—Apparatus for measuring unknown time intervals by non-electric means
    • G04F7/04—Apparatus for measuring unknown time intervals by non-electric means using a mechanical oscillator
    • G04F7/08—Watches or clocks with stop devices, e.g. chronograph
    • G04F7/0804—Watches or clocks with stop devices, e.g. chronograph with reset mechanisms
    • G—PHYSICS
    • G04—HOROLOGY
    • 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
    • G04B31/00—Bearings; Point suspensions or counter-point suspensions; Pivot bearings; Single parts therefor
    • 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
    • G04B31/00—Bearings; Point suspensions or counter-point suspensions; Pivot bearings; Single parts therefor
    • G04B31/004—Bearings; Point suspensions or counter-point suspensions; Pivot bearings; Single parts therefor characterised by the material used
    • G04B31/008—Jewel bearings
    • 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
    • G04B35/00—Adjusting the gear train, e.g. the backlash of the arbors, depth of meshing of the gears
    • 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
    • G04F7/0823—Watches or clocks with stop devices, e.g. chronograph with couplings between the chronograph mechanism and the base movement
    • G04F7/0838—Watches or clocks with stop devices, e.g. chronograph with couplings between the chronograph mechanism and the base movement involving a tilting movement

Definitions

  • the invention relates to an elementary clockwork mechanism comprising a first structural element carrying a first housing around a theoretical axis of pivoting, a second structural element carrying a second housing, and a mobile which comprises a first end a first bearing arranged to pivot in said first housing and at a second end a second bearing arranged to pivot in said second housing, wherein said second housing comprises at least a first abutment bearing surface which is arranged to provide the alignment of said mobile on said theoretical axis of pivoting when said mobile bears on said first abutment bearing surface, wherein said elementary mechanism comprises at least one elastic return means arranged to bias said mobile to said first bearing surface of stop.
  • the invention also relates to a chronograph mechanism comprising at least one such elementary mechanism.
  • the invention also relates to a watch comprising such a chronograph mechanism and / or comprising at least one such elementary mechanism.
  • the invention relates to the field of watch mechanisms, and in particular the mechanisms concerning mobiles that require a return and / or a positional hold by means other than teeth.
  • Certain clock mechanisms comprise cams, in particular heart-cams, whose cooperation with the failure of a hammer allows the return to a given position (reset zero), or / and holding in that particular position. Often these hammers are made flexible, or in several articulated parts, or the mechanism requires a positioning spring.
  • the document EP2757426 in the name of WATCHES BREGUET SA describes a device for pivoting a watch movement tree whose pivot crosses a stone fixed in a kitten, and a counter-pivot stone comprising a support surface receiving the end of the pivot, and, in abutment position of the pivot on the counter-pivot stone, the normal to the tangent plane common to the pivot and the bearing surface being oblique to the axis at a tilt angle, and defining with this axis a counter-pivot plane oriented at a yaw angle with respect to a reference of a motion plate.
  • This device comprises means for adjusting the yaw angle and / or the tilt angle for adjusting and adjusting the movement of the movement.
  • the invention proposes to ensure the precise positioning of a chronograph counter during resetting, without requiring a flexible or multi-component hammer, or positioning spring.
  • the invention relates to an elementary clockwork mechanism comprising a first structural element carrying a first housing around a theoretical axis of pivoting, a second structural element carrying a second housing, and a mobile which comprises at a first end a first bearing arranged to pivot in said first housing and at a second end a second bearing arranged to pivot in said second housing, wherein said second housing comprises at least a first abutment bearing surface which is arranged to ensure the alignment of said mobile on said theoretical pivot axis when said mobile bears on said first abutment bearing surface, wherein said elementary mechanism comprises at least one elastic return means arranged to bias said mobile to said first surface abutment support, characterized in that said mobile comprises an eccentric heart by rappo rt to the axis of said first staff of said mobile.
  • the invention also relates to a chronograph mechanism comprising at least one such elementary mechanism.
  • the invention also relates to a watch comprising such a chronograph mechanism and / or comprising at least one such elementary mechanism.
  • the invention relates to a flexible guide pivoting mobile watchmaker in a clockwork mechanism.
  • This first housing 20 and second housing 30 may consist of bearings, reported or not, in stones or the like, in bores machined in the first structural element 21 and / or the second structural element 31, or even simple orifices made in this first structural element 21 and / or this second structural element 31.
  • the first housing 20 is, in a particular variant illustrated by the figures, a housing of revolution; in this particular case it is preferably coaxial with theoretical pivot axis D.
  • This first housing 20 could also have another shape, in particular non-circular, for example oblong, or other.
  • This second housing 30 has at least one first abutment bearing surface 36.
  • the second housing comprises a second abutment bearing surface 37, which is at a different distance from the theoretical axis of pivoting D, with respect to the first surface of stop support 36.
  • the second housing 30 is not necessarily closed, it may, for example, consist of a simple notch, open on one side.
  • the first abutment bearing surface 36 is arranged to ensure the alignment of the mobile 1 on the theoretical pivot axis D, when the mobile 1 bears on the first abutment bearing surface 36.
  • the elementary mechanism 10 comprises at least one elastic return means 5 which is arranged to return the mobile 1 to the first abutment bearing surface 36.
  • the second housing 30 When the second housing 30 has a second abutment bearing surface 37, it corresponds to an inclined position of the mobile 1 with respect to the theoretical axis of pivoting D, when the mobile 1 is resting on the second surface d 37. The mobile 1 is then inclined, and carries P1 on the second housing 30, and P2 on the first housing 20.
  • the second housing 30 is arranged to guide the second bearing 3, preferably but not limitatively along a straight path corresponding to a flat trajectory of the pivot axis of the mobile 1.
  • said second housing 30 is oblong with parallel faces.
  • the oblong plays a role very different from those known elsewhere (to facilitate the assembly and initial adjustment of a vortex, an exhaust, or other, before immobilization in a suitable position).
  • the axis of the mobile 1 pivots around the first housing 2, preferably in a plane defined by such an oblong.
  • a third structural element 50 carries such elastic return means 5, which is arranged to return the mobile 1 to the first abutment bearing surface 36, and thus to its theoretical axis of pivoting.
  • a fourth structural element 51 comprises an abutment surface 52, which is arranged to serve as a stop for the elastic return means 5, in a position in which the second bearing surface 3 of the mobile 1 is movable between the first bearing surface of stop 36 and a remote position, which corresponds to the support of the mobile 1 on a bearing surface 55 of the elastic return means 5.
  • the elastic return means 5 cooperates with a third bearing surface 4 of the mobile 1, which is distinct from the first bearing surface 2 and the second bearing surface 3.
  • This elastic return means 5 is arranged to exert a force on the mobile 1 substantially perpendicular to the theoretical axis of pivoting D.
  • it is formed by a flexible blade, which can be monobloc with the first structural element 21, and / or the second structural element 31, and / or the third structural element 50, and / or the fourth structural element 51.
  • the first housing 20 and the second housing 30 are both oblong or the like; the resultant force exerted by the elastic return means 5 on the mobile 1 is then preferably applied in a median zone of the mobile 1, between the first housing 20 and the second housing 30.
  • the first housing 20 and the second housing 30 are oblong parallel to each other.
  • the mobile 1 comprises a heart 6 eccentric with respect to the axis of the first bearing 2 of the mobile 1.
  • the mobile 1 comprises driving means 7.
  • the invention also relates to a watchmaking mechanism comprising several mobiles, and comprising at least one such elementary mechanism 10.
  • the invention relates to a chronograph mechanism 200 comprising at least one such elementary mechanism 10.
  • the invention also relates to a watch 100 comprising such a chronograph mechanism 200, or / and comprising at least one such elementary mechanism 10.
  • the invention makes it possible to provide compensation with play catching up.
  • the invention still allows the use of one-piece hammers without retouching.

Description

Domaine de l'inventionField of the invention

L'invention concerne un mécanisme élémentaire d'horlogerie comportant un premier élément de structure porteur d'un premier logement autour d'un axe théorique de pivotement, un deuxième élément de structure porteur d'un deuxième logement, et un mobile qui comporte à une première extrémité une première portée agencée pour pivoter dans ledit premier logement et à une deuxième extrémité une deuxième portée agencée pour pivoter dans ledit deuxième logement, où ledit deuxième logement comporte au moins une première surface d'appui de butée qui est agencée pour assurer l'alignement dudit mobile sur ledit axe théorique de pivotement quand ledit mobile est en appui sur ladite première surface d'appui de butée, où ledit mécanisme élémentaire comporte au moins un moyen de rappel élastique agencé pour rappeler ledit mobile vers ladite première surface d'appui de butée.The invention relates to an elementary clockwork mechanism comprising a first structural element carrying a first housing around a theoretical axis of pivoting, a second structural element carrying a second housing, and a mobile which comprises a first end a first bearing arranged to pivot in said first housing and at a second end a second bearing arranged to pivot in said second housing, wherein said second housing comprises at least a first abutment bearing surface which is arranged to provide the alignment of said mobile on said theoretical axis of pivoting when said mobile bears on said first abutment bearing surface, wherein said elementary mechanism comprises at least one elastic return means arranged to bias said mobile to said first bearing surface of stop.

L'invention concerne encore un mécanisme de chronographe comportant au moins un tel mécanisme élémentaire.The invention also relates to a chronograph mechanism comprising at least one such elementary mechanism.

L'invention concerne encore une montre comportant un tel mécanisme de chronographe ou/et comportant au moins un tel mécanisme élémentaire.The invention also relates to a watch comprising such a chronograph mechanism and / or comprising at least one such elementary mechanism.

L'invention concerne le domaine des mécanismes d'horlogerie, et en particulier les mécanismes concernant des mobiles qui nécessitent un rappel ou/et un maintien en position par d'autres moyens que des dentures.The invention relates to the field of watch mechanisms, and in particular the mechanisms concerning mobiles that require a return and / or a positional hold by means other than teeth.

Arrière-plan de l'inventionBackground of the invention

Certains mécanismes d'horlogerie, notamment mais non limitativement des mécanismes de chronographe, comportent des mobiles associés à des cames, en particulier des cames-coeur, dont la coopération avec la panne d'un marteau permet le retour dans une position donnée (remise à zéro), ou/et le maintien dans cette position particulière. Souvent ces marteaux sont réalisés flexibles, ou en plusieurs parties articulés, ou le mécanisme nécessite un ressort de positionnement.Certain clock mechanisms, including but not limited to chronograph mechanisms, comprise cams, in particular heart-cams, whose cooperation with the failure of a hammer allows the return to a given position (reset zero), or / and holding in that particular position. Often these hammers are made flexible, or in several articulated parts, or the mechanism requires a positioning spring.

Le document EP2757426 au nom de MONTRES BREGUET SA décrit un dispositif de pivotement d'un arbre de mouvement horloger dont un pivot traverse une pierre fixée dans un chaton, et une pierre contre-pivot comportant une surface d'appui recevant l'extrémité du pivot, et, en position de butée du pivot sur la pierre contre-pivot, la normale au plan tangent commun au pivot et à la surface d'appui étant oblique par rapport à l'axe selon un angle de dévers, et définissant avec cet axe un plan de contre-pivot orienté selon un angle de lacet par rapport à une référence d'une platine du mouvement. Ce dispositif comporte des moyens de réglage de l'angle de lacet ou/et de l'angle de dévers pour le réglage et l'ajustement de la marche du mouvement.The document EP2757426 in the name of WATCHES BREGUET SA describes a device for pivoting a watch movement tree whose pivot crosses a stone fixed in a kitten, and a counter-pivot stone comprising a support surface receiving the end of the pivot, and, in abutment position of the pivot on the counter-pivot stone, the normal to the tangent plane common to the pivot and the bearing surface being oblique to the axis at a tilt angle, and defining with this axis a counter-pivot plane oriented at a yaw angle with respect to a reference of a motion plate. This device comprises means for adjusting the yaw angle and / or the tilt angle for adjusting and adjusting the movement of the movement.

Résumé de l'inventionSummary of the invention

L'invention se propose d'assurer le positionnement précis d'un compteur de chronographe lors de la remise à zéro, sans nécessiter de marteau flexible ou multi-composants, ni ressort de positionnement.The invention proposes to ensure the precise positioning of a chronograph counter during resetting, without requiring a flexible or multi-component hammer, or positioning spring.

A cet effet, l'invention concerne un mécanisme élémentaire d'horlogerie comportant un premier élément de structure porteur d'un premier logement autour d'un axe théorique de pivotement, un deuxième élément de structure porteur d'un deuxième logement, et un mobile qui comporte à une première extrémité une première portée agencée pour pivoter dans ledit premier logement et à une deuxième extrémité une deuxième portée agencée pour pivoter dans ledit deuxième logement, où ledit deuxième logement comporte au moins une première surface d'appui de butée qui est agencée pour assurer l'alignement dudit mobile sur ledit axe théorique de pivotement quand ledit mobile est en appui sur ladite première surface d'appui de butée, où ledit mécanisme élémentaire comporte au moins un moyen de rappel élastique agencé pour rappeler ledit mobile vers ladite première surface d'appui de butée, caractérisé en ce que ledit mobile comporte un coeur excentrique par rapport à l'axe de ladite première portée dudit mobile.For this purpose, the invention relates to an elementary clockwork mechanism comprising a first structural element carrying a first housing around a theoretical axis of pivoting, a second structural element carrying a second housing, and a mobile which comprises at a first end a first bearing arranged to pivot in said first housing and at a second end a second bearing arranged to pivot in said second housing, wherein said second housing comprises at least a first abutment bearing surface which is arranged to ensure the alignment of said mobile on said theoretical pivot axis when said mobile bears on said first abutment bearing surface, wherein said elementary mechanism comprises at least one elastic return means arranged to bias said mobile to said first surface abutment support, characterized in that said mobile comprises an eccentric heart by rappo rt to the axis of said first staff of said mobile.

L'invention concerne encore un mécanisme de chronographe comportant au moins un tel mécanisme élémentaire.The invention also relates to a chronograph mechanism comprising at least one such elementary mechanism.

L'invention concerne encore une montre comportant un tel mécanisme de chronographe ou/et comportant au moins un tel mécanisme élémentaire.The invention also relates to a watch comprising such a chronograph mechanism and / or comprising at least one such elementary mechanism.

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 coupe par l'axe théorique de pivotement d'un mobile qu'il comporte, un mécanisme élémentaire selon l'invention, dans une première position en trait plein où ce mobile est aligné sur son axe théorique de pivotement, et une deuxième position en trait interrompu où ce mobile est incliné ;
  • la figure 2 représente, en vue de dessus, le mécanisme de la figure 1, dans cette première position ;
  • la figure 3 représente, en vue de dessus, le mécanisme de la figure 1, dans cette deuxième position.
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 section by the theoretical axis of pivoting of a mobile which it comprises, an elementary mechanism according to the invention, in a first position in full line where this mobile is aligned on its theoretical axis of pivoting , and a second position in broken line where this mobile is inclined;
  • the figure 2 represents, in top view, the mechanism of the figure 1 in this first position;
  • the figure 3 represents, in top view, the mechanism of the figure 1 in this second position.

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

L'invention concerne un guidage flexible en pivotement de mobile horloger, dans un mécanisme d'horlogerie.The invention relates to a flexible guide pivoting mobile watchmaker in a clockwork mechanism.

L'invention concerne plus particulièrement un mécanisme élémentaire 10 d'horlogerie, qui comporte, tel que visible sur la figure 1:

  • un premier élément de structure 21 porteur d'un premier logement 20, autour d'un axe théorique de pivotement D,
  • un deuxième élément de structure 31 porteur d'un deuxième logement 30,
  • et un mobile 1, lequel comporte à une première extrémité une première portée 2 agencée pour pivoter dans le premier logement 20 et à une deuxième extrémité une deuxième portée 3 agencée pour pivoter dans le deuxième logement 30.
The invention more particularly relates to an elementary clockwork mechanism, which comprises, as visible in FIG. figure 1 :
  • a first structural element 21 carrying a first housing 20, about a theoretical axis of pivoting D,
  • a second structural element 31 carrying a second housing 30,
  • and a mobile 1, which comprises at a first end a first bearing surface 2 designed to pivot in the first housing 20 and at a second end a second bearing surface 3 arranged to pivot in the second housing 30.

Ce premier logement 20 et ce deuxième logement 30 peuvent consister en des coussinets, rapportés ou non, en des pierres ou similaires, en des alésages usinés dans le premier élément de structure 21 ou /et le deuxième élément de structure 31, voire même de simples orifices pratiqués dans ce premier élément de structure 21 ou /et ce deuxième élément de structure 31.This first housing 20 and second housing 30 may consist of bearings, reported or not, in stones or the like, in bores machined in the first structural element 21 and / or the second structural element 31, or even simple orifices made in this first structural element 21 and / or this second structural element 31.

Le premier logement 20 est, dans une variante particulière illustrée par les figures, un logement de révolution; dans ce cas particulier il est de préférence coaxial avec axe théorique de pivotement D. Ce premier logement 20 pourrait aussi avoir une autre forme, notamment non circulaire, par exemple oblongue, ou autre.The first housing 20 is, in a particular variant illustrated by the figures, a housing of revolution; in this particular case it is preferably coaxial with theoretical pivot axis D. This first housing 20 could also have another shape, in particular non-circular, for example oblong, or other.

Ce deuxième logement 30 comporte au moins une première surface d'appui de butée 36.This second housing 30 has at least one first abutment bearing surface 36.

Dans une variante particulière et non limitative, illustrée par les figures, le deuxième logement comporte une deuxième surface d'appui de butée 37, qui est à une distance différentes de l'axe théorique de pivotement D, par rapport à la première surface d'appui de butée 36.In a particular and nonlimiting variant, illustrated by the figures, the second housing comprises a second abutment bearing surface 37, which is at a different distance from the theoretical axis of pivoting D, with respect to the first surface of stop support 36.

Mais le deuxième logement 30 n'est pas nécessairement fermé, il peut, par exemple, consister en une simple encoche, ouverte sur un côté.But the second housing 30 is not necessarily closed, it may, for example, consist of a simple notch, open on one side.

La première surface d'appui de butée 36 est agencée pour assurer l'alignement du mobile 1 sur l'axe théorique de pivotement D, quand le mobile 1 est en appui sur la première surface d'appui de butée 36.The first abutment bearing surface 36 is arranged to ensure the alignment of the mobile 1 on the theoretical pivot axis D, when the mobile 1 bears on the first abutment bearing surface 36.

Le mécanisme élémentaire 10 comporte au moins un moyen de rappel élastique 5 qui est agencé pour rappeler le mobile 1 vers la première surface d'appui de butée 36.The elementary mechanism 10 comprises at least one elastic return means 5 which is arranged to return the mobile 1 to the first abutment bearing surface 36.

Quand le deuxième logement 30 comporte une deuxième surface d'appui de butée 37, celle-ci correspond à une position inclinée du mobile 1 par rapport à l'axe théorique de pivotement D, quand le mobile 1 est en appui sur la deuxième surface d'appui de butée 37. Le mobile 1 est alors incliné, et porte en P1 sur le deuxième logement 30, et en P2 sur le premier logement 20.When the second housing 30 has a second abutment bearing surface 37, it corresponds to an inclined position of the mobile 1 with respect to the theoretical axis of pivoting D, when the mobile 1 is resting on the second surface d 37. The mobile 1 is then inclined, and carries P1 on the second housing 30, and P2 on the first housing 20.

Le deuxième logement 30 est agencé pour guider la deuxième portée 3, de préférence mais non limitativement selon une trajectoire rectiligne correspondant à une trajectoire plane de l'axe de pivotement du mobile 1.The second housing 30 is arranged to guide the second bearing 3, preferably but not limitatively along a straight path corresponding to a flat trajectory of the pivot axis of the mobile 1.

Dans une exécution particulière non limitative, et tel que visible sur les figures 2 et 3, ledit deuxième logement 30 est oblong à faces parallèles.In a particular nonlimiting execution, and as visible on the Figures 2 and 3 said second housing 30 is oblong with parallel faces.

On comprend que la deuxième extrémité 3 du mobile 1 circule dans ce deuxième logement 30, dont l'oblong joue un rôle bien différent de ceux connus par ailleurs (pour faciliter le montage et le réglage initial d'un tourbillon, d'un échappement, ou autre, avant immobilisation dans une position convenable). Dans le cadre de l'invention, l'axe du mobile 1 pivote autour du premier logement 2, de préférence dans un plan défini par un tel oblong.It is understood that the second end 3 of the mobile 1 flows in this second housing 30, the oblong plays a role very different from those known elsewhere (to facilitate the assembly and initial adjustment of a vortex, an exhaust, or other, before immobilization in a suitable position). In the context of the invention, the axis of the mobile 1 pivots around the first housing 2, preferably in a plane defined by such an oblong.

Plus particulièrement, le premier élément de structure 21, ou le deuxième élément de structure 31, ou bien comme illustré sur les figures 2 et 3 un troisième élément de structure 50, est porteur d'un tel moyen de rappel élastique 5, qui est agencé pour rappeler le mobile 1 vers la première surface d'appui de butée 36, et donc vers son axe théorique de pivotement.More particularly, the first structural element 21, or the second structural element 31, or as illustrated in FIGS. Figures 2 and 3 a third structural element 50 carries such elastic return means 5, which is arranged to return the mobile 1 to the first abutment bearing surface 36, and thus to its theoretical axis of pivoting.

Le premier élément de structure 21, ou le deuxième élément de structure 31, ou le troisième élément de structure 50, ou encore comme illustré sur les figures 2 et 3 un quatrième élément de structure 51, comporte une surface de butée 52, qui est agencée pour servir de butée au moyen de rappel élastique 5, dans une position dans laquelle la deuxième portée 3 du mobile 1 est mobile entre la première surface d'appui de butée 36 et une position distante, laquelle correspond à l'appui du mobile 1 sur une surface d'appui 55 du moyen de rappel élastique 5.The first structural element 21, or the second structural element 31, or the third structural element 50, or as illustrated in FIGS. Figures 2 and 3 a fourth structural element 51 comprises an abutment surface 52, which is arranged to serve as a stop for the elastic return means 5, in a position in which the second bearing surface 3 of the mobile 1 is movable between the first bearing surface of stop 36 and a remote position, which corresponds to the support of the mobile 1 on a bearing surface 55 of the elastic return means 5.

Dans la réalisation particulière et non limitative des figures, le moyen de rappel élastique 5 coopère avec une troisième portée 4 du mobile 1, qui est distincte de la première portée 2 et de la deuxième portée 3.In the particular and nonlimiting embodiment of the figures, the elastic return means 5 cooperates with a third bearing surface 4 of the mobile 1, which is distinct from the first bearing surface 2 and the second bearing surface 3.

Ce moyen de rappel élastique 5 est agencé pour exercer un effort sur le mobile 1 sensiblement perpendiculairement à l'axe théorique de pivotement D. dans une réalisation simple, il est formé par une lame flexible, qui peut être monobloc avec le premier élément de structure 21, ou/et le deuxième élément de structure 31, ou/et le troisième élément de structure 50, ou/et le quatrième élément de structure 51.This elastic return means 5 is arranged to exert a force on the mobile 1 substantially perpendicular to the theoretical axis of pivoting D. In a simple embodiment, it is formed by a flexible blade, which can be monobloc with the first structural element 21, and / or the second structural element 31, and / or the third structural element 50, and / or the fourth structural element 51.

Dans une variante, le premier logement 20 et le deuxième logement 30 sont tous deux des oblongs ou similaires; l'effort résultant exercé par les moyens de rappel élastique 5 sur le mobile 1 est alors, de préférence, appliqué dans une zone médiane du mobile 1, entre le premier logement 20 et le deuxième logement 30. De préférence, le premier logement 20 et le deuxième logement 30 sont des oblongs parallèles entre eux.In a variant, the first housing 20 and the second housing 30 are both oblong or the like; the resultant force exerted by the elastic return means 5 on the mobile 1 is then preferably applied in a median zone of the mobile 1, between the first housing 20 and the second housing 30. Preferably, the first housing 20 and the second housing 30 are oblong parallel to each other.

Selon l'invention, dans une application particulière illustrée par la figure 1, le mobile 1 comporte un coeur 6 excentrique par rapport à l'axe de la première portée 2 du mobile 1.According to the invention, in a particular application illustrated by the figure 1 , the mobile 1 comprises a heart 6 eccentric with respect to the axis of the first bearing 2 of the mobile 1.

Dans une réalisation particulière, selon sa fonction, le mobile 1 comporte des moyens d'entraînement 7.In a particular embodiment, according to its function, the mobile 1 comprises driving means 7.

Naturellement, la fonction des coussinets 20 et 30 peut être échangée.Naturally, the function of the pads 20 and 30 can be exchanged.

L'invention concerne encore un mécanisme horloger comportant plusieurs mobiles, et comportant au moins un tel mécanisme élémentaire 10.The invention also relates to a watchmaking mechanism comprising several mobiles, and comprising at least one such elementary mechanism 10.

Plus particulièrement, l'invention concerne un mécanisme de chronographe 200 comportant au moins un tel mécanisme élémentaire 10.More particularly, the invention relates to a chronograph mechanism 200 comprising at least one such elementary mechanism 10.

L'invention concerne encore une montre 100 comportant un tel mécanisme de chronographe 200, ou/et comportant au moins un tel mécanisme élémentaire 10.The invention also relates to a watch 100 comprising such a chronograph mechanism 200, or / and comprising at least one such elementary mechanism 10.

L'invention permet d'assurer une compensation avec rattrapage de jeu.The invention makes it possible to provide compensation with play catching up.

Elle permet un abaissement du coût de production des mécanismes, en raison du possible élargissement des tolérances de fabrication.It allows a lowering of the production cost of the mechanisms, due to the possible widening of manufacturing tolerances.

L'invention permet encore l'utilisation de marteaux monobloc, sans retouche.The invention still allows the use of one-piece hammers without retouching.

Claims (11)

  1. Elementary timepiece mechanism (10) comprising a first structure element (21) carrying a first housing (20) about a theoretical pivot axis (D), a second structure element (31) carrying a second housing (30), and a mobile element (1) which comprises, at a first end, a first shoulder (2) arranged to pivot in said first housing (20) and at a second end, a second shoulder (3) arranged to pivot in said second housing (30), wherein said second housing (30) comprises at least a first abutment surface (36) which is arranged to ensure the alignment of said mobile element (1) on said theoretical pivot axis (D) when said mobile element (1) is in abutment on said first abutment surface (36), wherein said elementary mechanism (10) comprises at least one elastic return means (5) arranged to return said mobile element (1) to said first abutment surface (36), characterized in that said mobile element (1) comprises an eccentric heart-piece (6) with respect to the axis of said first shoulder (2) of said mobile element (1).
  2. Elementary mechanism (10) according to claim 1, characterized in that said elementary mechanism (10) comprises a third structure element (50) carrying a said elastic return means (5) arranged to return said mobile element (1) to said first abutment surface (36), and characterized in that said elementary mechanism (10) comprises a fourth structure element (51) comprising an abutment surface (52) arranged to act as a stop for said elastic return means (5), allowing play (J) between said mobile element (1) and said elastic return means (5), when said second shoulder (3) of said mobile element is in abutment on said first abutment surface (36).
  3. Elementary mechanism (10) according to claim 1, characterized in that said first housing (20) is with rotational symmetry about said theoretical pivot axis (D).
  4. Elementary mechanism (10) according to claim 1, characterized in that said second housing (30) comprises at least one said first abutment surface (36), and a second abutment surface (37), which are at different distances from said theoretical pivot axis (D), and said second abutment surface (37) corresponds to a tilted position of said mobile element (1) with respect to said theoretical pivot axis (D) when said mobile element (1) is in abutment on said second abutment surface (37).
  5. Elementary mechanism (10) according to claim 1, characterized in that said second housing (30) is arranged to guide said second shoulder (3) on a rectilinear trajectory corresponding to a plane trajectory of the pivot axis of said mobile element (1).
  6. Elementary mechanism (10) according to claim 1, characterized in that said second housing (30) is oblong with parallel sides.
  7. Elementary mechanism (10) according to claim 1, characterized in that said elastic return means (5) cooperates with a third shoulder (4) of said mobile element (1) which is distinct from said first shoulder (2) and from said second shoulder (3).
  8. Elementary mechanism (10) according to claim 1, characterized in that said elastic return means (5) is arranged to exert a force on said mobile element (1) substantially perpendicularly to said theoretical pivot axis (D).
  9. Elementary assembly (10) according to claim 1, characterized in that said mobile element (1) comprises drive means (7).
  10. Chronograph mechanism (20) including at least one elementary mechanism (10) according to claim 1.
  11. Watch (100) comprising a chronograph mechanism (20) according to claim 10 and/or including at least one elementary mechanism (10) according to claim 1.
EP15191369.6A 2015-10-26 2015-10-26 Flexible pivoting guide of a clock mobile Active EP3163384B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CH01556/15A CH711681A2 (en) 2015-10-26 2015-10-26 Flexible pivoting guide for watchmakers.
EP15191369.6A EP3163384B1 (en) 2015-10-26 2015-10-26 Flexible pivoting guide of a clock mobile
US15/244,101 US9829861B2 (en) 2015-10-26 2016-08-23 Flexible bearing for pivoting a mobile timepiece element
JP2016176292A JP6283078B2 (en) 2015-10-26 2016-09-09 Flexible bearing for pivoting a movable watch element
CN201610933347.0A CN106873346B (en) 2015-10-26 2016-10-25 For moving the flexible bearing of the pivot of watch elements

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP15191369.6A EP3163384B1 (en) 2015-10-26 2015-10-26 Flexible pivoting guide of a clock mobile

Publications (2)

Publication Number Publication Date
EP3163384A1 EP3163384A1 (en) 2017-05-03
EP3163384B1 true EP3163384B1 (en) 2018-09-19

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EP15191369.6A Active EP3163384B1 (en) 2015-10-26 2015-10-26 Flexible pivoting guide of a clock mobile

Country Status (5)

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US (1) US9829861B2 (en)
EP (1) EP3163384B1 (en)
JP (1) JP6283078B2 (en)
CN (1) CN106873346B (en)
CH (1) CH711681A2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3382472A1 (en) 2017-03-30 2018-10-03 Rolex Sa Guide bearing of a timepiece balance pivot
EP3825779A1 (en) 2019-11-21 2021-05-26 ETA SA Manufacture Horlogère Suisse Timepiece mobile component with element supported by friction

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Also Published As

Publication number Publication date
JP2017083429A (en) 2017-05-18
CN106873346B (en) 2019-04-19
US20170115637A1 (en) 2017-04-27
CH711681A2 (en) 2017-04-28
CN106873346A (en) 2017-06-20
US9829861B2 (en) 2017-11-28
JP6283078B2 (en) 2018-02-21
EP3163384A1 (en) 2017-05-03

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