EP3671362A1 - Timepiece movement, balance-hairspring assembly, balance for timepiece movement and timepiece comprising such components - Google Patents
Timepiece movement, balance-hairspring assembly, balance for timepiece movement and timepiece comprising such components Download PDFInfo
- Publication number
- EP3671362A1 EP3671362A1 EP18213757.0A EP18213757A EP3671362A1 EP 3671362 A1 EP3671362 A1 EP 3671362A1 EP 18213757 A EP18213757 A EP 18213757A EP 3671362 A1 EP3671362 A1 EP 3671362A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- balance
- serge
- arms
- timepiece
- pendulum
- 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.)
- Withdrawn
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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
- G04B17/00—Mechanisms for stabilising frequency
- G04B17/04—Oscillators acting by spring tension
- G04B17/08—Oscillators with coil springs stretched and unstretched axially
-
- 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
- G04B17/06—Oscillators with hairsprings, e.g. balance
- G04B17/063—Balance construction
Definitions
- the present invention relates to a timepiece movement intended to be placed in a case of a timepiece.
- It also relates to a balance-spring assembly for a timepiece as well as a balance for such a timepiece.
- the present invention further relates to a timepiece comprising such a timepiece movement, such a balance-spring assembly or such a balance.
- Many conventional mechanical watch movements include a regulating member produced in the form of a balance-spring assembly, this assembly being formed of a balance and a spiral spring.
- Conventional pendulums are formed by a serge, a pendulum axis and arms connecting the serge to the pendulum axis.
- the arms and the serge are in the same plane.
- the spiral spring is generally arranged in a plane, parallel to the plane of the twill and the arms.
- the spiral spring may have a cylindrical, conical or spherical shape.
- the center of gravity of the balance-spring assembly is also in the same plane, on the axis of rotation of the balance .
- the present invention proposes to produce a balance and a balance-spring assembly such that the center of gravity of the balance-spring assembly can be adjusted along the axis of rotation of the balance.
- a timepiece movement comprising an energy source, a gear train, a distribution mechanism and a regulation mechanism produced in the form of a balance-spring balance, this balance-spring assembly being formed of a balance and a spiral spring, the balance comprising a serge and arms connecting the serge to a balance axis, this clockwork movement being characterized in that at least part of the arms form a curve not coplanar with the pendulum serge.
- a balance-spring assembly for a timepiece, this balance-spring assembly comprising a balance comprising a serge and arms connecting the serge to a balance axis, this balance-spring assembly further comprising a spiral spring, the balance-spring assembly being characterized in that at least part of the arms form a non-coplanar curve with the balance of the balance.
- a pendulum for a timepiece comprising a serge and arms connecting the serge to a pendulum axis, characterized in that at least part of the arms form a curve not coplanar with the pendulum serge.
- a timepiece comprising a movement, a balance-spring assembly and / or a balance wheel as defined above.
- a spiral spring having an outer envelope of different shapes, for example a cylindrical, conical or portion of a sphere. It is also possible to use a planar spiral spring or other shapes, or even combinations of these different shapes, on different parts of the spiral spring.
- the shape of the balance, the shape of the balance spring and the possibility of choosing the fixing position of the balance spring makes it possible to adjust the position of the center of gravity of the balance-spring assembly.
- the timepiece movement according to the present invention is intended to be placed in a case (not shown) of a timepiece such as in particular a watch of the wristwatch type.
- a timepiece such as in particular a watch of the wristwatch type.
- Such a timepiece conventionally comprises a plate supporting in particular a motor system having a power source, and a cog formed of gears driven in rotation by the motor system.
- the plate further supports a regulating member produced in the form of a balance-spring 10, this balance-spring 10 assembly being illustrated by the figures 1 to 4 .
- the balance-spring assembly 10 comprises a balance 11 on the one hand and a spiral spring 12 on the other hand.
- the balance 11 is formed by a clamp 13, a balance pin 14 and arms 15 connecting the clamp 13 to the balance axis 14. In operation, the balance 11 alternately pivots around the balance axis 14, under the effect of the spiral spring 12.
- the arms 15 of the pendulum 11 are fixed to the pendulum axis 14. This fixing can be done by means of a fixed link such as riveting.
- the arms 15 can also be driven out on the balance axis 14 or be fixed by means of a ring 16 screwed onto the balance axis 14.
- the arms 15 are not planar and arranged in a plane in which the serge 13 is located. These arms 15 have a curved or arcuate shape and are fixed to the pendulum axis 14 in an area outside the plane of the serge 13. This arched shape of the arms 15 makes it possible to define a housing limited by an envelope formed by the arms 15 and by the plane in which the serge 13 is placed.
- One end 17 of the spiral spring 12 is fixed to the pendulum axis 14, as mentioned previously. This fixing is made inside the housing defined by the arms 15 and the twill 13.
- Another end 18 of the spiral spring 12 is fixed to a cock (not shown) by means of a stud, in a conventional manner.
- the housing defined by the envelope of the arms 15 and the serge 13 makes it possible to receive a spiral spring 12 having a cylindrical or spherical shape in particular.
- the balance-spring assembly 10 can thus be easily adapted or modified to choose the position of the center of gravity of this assembly.
- the latter also has a particular aesthetic aspect, original and attractive.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Springs (AREA)
Abstract
La présente invention concerne un mouvement d'horlogerie comportant une source d'énergie, un rouage, un mécanisme de distribution et un mécanisme de régulation réalisé sous la forme d'un ensemble balancier-spiral (10). L'ensemble balancier-spiral (10) est formé d'un balancier (11) et d'un ressort spiral (12). Le balancier (11) comporte une serge (13) et des bras (15) reliant la serge (13) à un axe de balancier (14). Le mouvement d'horlogerie est caractérisé en ce qu'au moins une partie des bras 15 forment une courbe non coplanaire avec la serge (13) du balancier (11).The present invention relates to a timepiece movement comprising an energy source, a gear train, a distribution mechanism and a regulation mechanism produced in the form of a balance-spring assembly (10). The balance-spring assembly (10) is formed by a balance (11) and a spiral spring (12). The balance (11) comprises a serge (13) and arms (15) connecting the serge (13) to a pendulum axis (14). The clockwork movement is characterized in that at least a portion of the arms 15 form a curve that is not coplanar with the serge (13) of the balance (11).
L'invention concerne également un ensemble balancier-spiral caractérisé en ce qu'au moins une partie des bras (15) du balancier forment une courbe non coplanaire avec la serge (13) du balancier (11).The invention also relates to a balance-spring assembly characterized in that at least a part of the arms (15) of the balance form a curve not coplanar with the serge (13) of the balance (11).
L'invention concerne également un balancier (14) caractérisé en ce que les bras du balancier sont fixés dans une zone située dans un plan différent d'un plan dans lequel est disposée la serge (13).The invention also relates to a pendulum (14) characterized in that the arms of the pendulum are fixed in an area situated in a plane different from a plane in which the serge (13) is arranged.
L'invention concerne finalement une pièce d'horlogerie comportant un mouvement, un ensemble balancier-spiral (10) ou un balancier (11) tels que définis ci-dessus. The invention finally relates to a timepiece comprising a movement, a balance-spring (10) or a balance (11) as defined above.
Description
La présente invention concerne mouvement d'horlogerie destiné à être placé dans un boîtier d'une pièce d'horlogerie.The present invention relates to a timepiece movement intended to be placed in a case of a timepiece.
Elle concerne également un ensemble balancier-spiral pour une pièce d'horlogerie ainsi qu'un balancier pour une telle pièce d'horlogerie.It also relates to a balance-spring assembly for a timepiece as well as a balance for such a timepiece.
La présente invention concerne en outre une pièce d'horlogerie comportant un tel mouvement d'horlogerie, un tel ensemble balancier-spiral ou un tel balancier.The present invention further relates to a timepiece comprising such a timepiece movement, such a balance-spring assembly or such a balance.
De nombreux mouvements d'horlogerie mécaniques conventionnels comportent un organe de régulation réalisé sous la forme d'un ensemble balancier-spiral, cet ensemble étant formé d'un balancier et d'un ressort spiral.Many conventional mechanical watch movements include a regulating member produced in the form of a balance-spring assembly, this assembly being formed of a balance and a spiral spring.
Les balanciers conventionnels sont formés d'une serge, d'un axe de balancier et de bras reliant la serge à l'axe de balancier. Les bras et la serge sont dans le même plan. Le ressort spiral est disposé généralement dans un plan, parallèle au plan de la serge et des bras.Conventional pendulums are formed by a serge, a pendulum axis and arms connecting the serge to the pendulum axis. The arms and the serge are in the same plane. The spiral spring is generally arranged in a plane, parallel to the plane of the twill and the arms.
Dans certaines réalisations, le ressort spiral peut avoir une forme cylindrique, conique ou sphérique.In certain embodiments, the spiral spring may have a cylindrical, conical or spherical shape.
Lorsque le ressort spiral est plan et qu'il est placé dans le même plan que la serge et les bras, le centre de gravité de l'ensemble balancier-spiral se trouve également dans le même plan, sur l'axe de rotation du balancier.When the spiral spring is plane and it is placed in the same plane as the serge and the arms, the center of gravity of the balance-spring assembly is also in the same plane, on the axis of rotation of the balance .
Dans certaines configurations, il pourrait être intéressant et avantageux de pouvoir choisir la position du centre de gravité de l'ensemble balancier-spiral le long de l'axe de rotation du balancier, sans devoir ajouter des pièces supplémentaires qui ajoutent de la masse et de la complexité. Un tel réglage du centre de gravité peut être recherché notamment lorsque l'ensemble balancier-spiral est utilisé dans un système réglant tel que par exemple un tourbillon ou un carrousel.In certain configurations, it could be advantageous and advantageous to be able to choose the position of the center of gravity of the balance-spring assembly along the axis of rotation of the balance, without having to add additional parts which add mass and the complexity. Such a center of gravity adjustment can be sought in particular when the balance-spring assembly is used in a regulating system such as for example a tourbillon or a carousel.
La présente invention se propose de réaliser un balancier et un ensemble balancier-spiral tel que le centre de gravité de l'ensemble balancier-spiral puisse être ajusté le long de l'axe de rotation du balancier.The present invention proposes to produce a balance and a balance-spring assembly such that the center of gravity of the balance-spring assembly can be adjusted along the axis of rotation of the balance.
Le but de l'invention est atteint par un mouvement d'horlogerie comportant une source d'énergie, un rouage, un mécanisme de distribution et un mécanisme de régulation réalisé sous la forme d'un ensemble balancier-spiral, cet ensemble balancier-spiral étant formé d'un balancier et d'un ressort spiral, le balancier comportant une serge et des bras reliant la serge à un axe de balancier, ce mouvement d'horlogerie étant caractérisé en ce qu'au moins une partie des bras forment une courbe non coplanaire avec la serge du balancier.The object of the invention is achieved by a timepiece movement comprising an energy source, a gear train, a distribution mechanism and a regulation mechanism produced in the form of a balance-spring balance, this balance-spring assembly being formed of a balance and a spiral spring, the balance comprising a serge and arms connecting the serge to a balance axis, this clockwork movement being characterized in that at least part of the arms form a curve not coplanar with the pendulum serge.
Le but de l'invention est également atteint par un ensemble balancier-spiral pour une pièce d'horlogerie, cet ensemble balancier-spiral comportant un balancier comportant une serge et des bras reliant la serge à un axe de balancier, cet ensemble balancier-spiral comportant en outre un ressort spiral, l'ensemble balancier-spiral étant caractérisé en ce qu'au moins une partie des bras forment une courbe non coplanaire avec la serge du balancier.The object of the invention is also achieved by a balance-spring assembly for a timepiece, this balance-spring assembly comprising a balance comprising a serge and arms connecting the serge to a balance axis, this balance-spring assembly further comprising a spiral spring, the balance-spring assembly being characterized in that at least part of the arms form a non-coplanar curve with the balance of the balance.
Le but de l'invention est également atteint par un balancier pour pièce d'horlogerie, ce balancier comportant une serge et des bras reliant la serge à un axe de balancier, caractérisé en ce qu'au moins une partie des bras forment une courbe non coplanaire avec la serge du balancier.The object of the invention is also achieved by a pendulum for a timepiece, this pendulum comprising a serge and arms connecting the serge to a pendulum axis, characterized in that at least part of the arms form a curve not coplanar with the pendulum serge.
Finalement, le but de l'invention est atteint par une pièce d'horlogerie comportant un mouvement, un ensemble balancier-spiral et/ou un balancier tels que définis ci-dessus.Finally, the object of the invention is achieved by a timepiece comprising a movement, a balance-spring assembly and / or a balance wheel as defined above.
Selon l'invention, il est possible d'utiliser un ressort spiral ayant une enveloppe extérieure de différentes formes, par exemple une forme cylindrique, conique ou en portion de sphère. Il est également possible d'utiliser un ressort spiral plan ou d'autres formes, ou mêmes des combinaisons de ces différentes formes, sur différentes parties du ressort spiral.According to the invention, it is possible to use a spiral spring having an outer envelope of different shapes, for example a cylindrical, conical or portion of a sphere. It is also possible to use a planar spiral spring or other shapes, or even combinations of these different shapes, on different parts of the spiral spring.
La forme du balancier, la forme du ressort spiral et la possibilité de choisir la position de fixation du ressort spiral permet de régler la position du centre de gravité de l'ensemble balancier-spiral.The shape of the balance, the shape of the balance spring and the possibility of choosing the fixing position of the balance spring makes it possible to adjust the position of the center of gravity of the balance-spring assembly.
La présente invention et ses avantages seront mieux compris en référence aux figures annexées et à la description détaillée d'un mode de réalisation particulier, dans lesquelles :
- la
figure 1 est une vue de face d'un ensemble balancier-spiral selon une première configuration; - la
figure 2 est une vue en coupe de l'ensemble balancier-spiral de lafigure 1 ; - la
figure 3 est une vue de face d'un ensemble balancier-spiral selon une deuxième configuration ; et - la
figure 4 est une vue de face d'un ensemble balancier-spiral selon une troisième configuration.
- the
figure 1 is a front view of a balance-spring assembly according to a first configuration; - the
figure 2 is a sectional view of the balance-spring assembly of thefigure 1 ; - the
figure 3 is a front view of a balance-spring assembly according to a second configuration; and - the
figure 4 is a front view of a balance-spring assembly according to a third configuration.
En référence aux figures, le mouvement d'horlogerie selon la présente invention est destiné à être placé dans un boîtier (non représenté) d'une pièce d'horlogerie telle que notamment une montre de type montre-bracelet. Une telle pièce d'horlogerie comporte, de façon conventionnelle, une platine supportant notamment un système moteur ayant une source d'énergie, et un rouage formé d'engrenages entraînés en rotation par le système moteur. La platine supporte en outre un organe de régulation réalisé sous la forme d'un ensemble balancier-spiral 10, cet ensemble balancier-spiral 10 étant illustré par les
L'ensemble balancier-spiral 10 comporte d'une part un balancier 11 et d'autre part un ressort spiral 12. Le balancier 11 est formé d'une serge 13, d'un axe de balancier 14 et de bras 15 reliant la serge 13 à l'axe de balancier 14. En fonctionnement, le balancier 11 pivote alternativement autour de l'axe de balancier 14, sous l'effet du ressort spiral 12.The balance-
Les bras 15 du balancier 11 sont fixés à l'axe de balancier 14. Cette fixation peut se faire au moyen d'une liaison fixe tel qu'un rivetage. Les bras 15 peuvent également être chassés sur l'axe de balancier 14 ou être fixés au moyen d'une bague 16 vissée sur l'axe de balancier 14.The
Contrairement aux balanciers conventionnels, les bras 15 ne sont pas plans et disposés dans un plan dans lequel se trouve la serge 13. Ces bras 15 ont une forme courbée ou arquée et sont fixés à l'axe de balancier 14 dans une zone située hors du plan de la serge 13. Cette forme arquée des bras 15 permet de définir un logement limité par une enveloppe formée par les bras 15 et par le plan dans lequel est placé la serge 13.Unlike conventional pendulums, the
Une extrémité 17 du ressort spiral 12 est fixée à l'axe de balancier 14, comme mentionné précédemment. Cette fixation est faite à l'intérieur du logement défini par les bras 15 et la serge 13.One
Une autre extrémité 18 du ressort spiral 12 est fixée à un coq (non représenté) par l'intermédiaire d'un piton, de façon conventionnelle.Another
Le choix de la forme des bras 15 et de la position de fixation du ressort spiral 12 sur l'axe de balancier 14 permet de choisir la position du centre de gravité de l'ensemble balancier-spiral 10 le long de l'axe de rotation du balancier.The choice of the shape of the
Le logement défini par l'enveloppe des bras 15 et la serge 13 permet de recevoir un ressort spiral 12 ayant une forme cylindrique ou sphérique notamment.The housing defined by the envelope of the
L'ensemble balancier-spiral 10 peut ainsi être facilement adapté ou modifié pour choisir la position du centre de gravité de cet ensemble. Ce dernier a par ailleurs un aspect esthétique particulier, original et attrayant.The balance-
Claims (12)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP18213757.0A EP3671362A1 (en) | 2018-12-18 | 2018-12-18 | Timepiece movement, balance-hairspring assembly, balance for timepiece movement and timepiece comprising such components |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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EP18213757.0A EP3671362A1 (en) | 2018-12-18 | 2018-12-18 | Timepiece movement, balance-hairspring assembly, balance for timepiece movement and timepiece comprising such components |
Publications (1)
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EP3671362A1 true EP3671362A1 (en) | 2020-06-24 |
Family
ID=64746000
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP18213757.0A Withdrawn EP3671362A1 (en) | 2018-12-18 | 2018-12-18 | Timepiece movement, balance-hairspring assembly, balance for timepiece movement and timepiece comprising such components |
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EP (1) | EP3671362A1 (en) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1244955A (en) * | 1959-09-22 | 1960-11-04 | Balance for clockwork mechanism | |
FR1538343A (en) * | 1967-03-30 | 1968-09-06 | Jaz Sa | Flat structure torsion tuning fork |
JP2017146219A (en) * | 2016-02-18 | 2017-08-24 | シチズン時計株式会社 | Balance wheel |
-
2018
- 2018-12-18 EP EP18213757.0A patent/EP3671362A1/en not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1244955A (en) * | 1959-09-22 | 1960-11-04 | Balance for clockwork mechanism | |
FR1538343A (en) * | 1967-03-30 | 1968-09-06 | Jaz Sa | Flat structure torsion tuning fork |
JP2017146219A (en) * | 2016-02-18 | 2017-08-24 | シチズン時計株式会社 | Balance wheel |
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