EP1903408A2 - Tourbillon for a timepiece - Google Patents

Tourbillon for a timepiece Download PDF

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Publication number
EP1903408A2
EP1903408A2 EP07018872A EP07018872A EP1903408A2 EP 1903408 A2 EP1903408 A2 EP 1903408A2 EP 07018872 A EP07018872 A EP 07018872A EP 07018872 A EP07018872 A EP 07018872A EP 1903408 A2 EP1903408 A2 EP 1903408A2
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EP
European Patent Office
Prior art keywords
bridge
frame
tourbillon
rollers
cage
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Withdrawn
Application number
EP07018872A
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German (de)
French (fr)
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EP1903408A3 (en
Inventor
Jean-Pierre Golay
Pierre-Michel Golay
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.)
Franck Mueller Watchland SA
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Franck Mueller Watchland SA
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Filing date
Publication date
Application filed by Franck Mueller Watchland SA filed Critical Franck Mueller Watchland SA
Publication of EP1903408A2 publication Critical patent/EP1903408A2/en
Publication of EP1903408A3 publication Critical patent/EP1903408A3/en
Withdrawn legal-status Critical Current

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    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B17/00—Mechanisms for stabilising frequency
    • G04B17/20—Compensation of mechanisms for stabilising frequency
    • G04B17/28—Compensation of mechanisms for stabilising frequency for the effect of imbalance of the weights, e.g. tourbillon
    • G04B17/285—Tourbillons or carrousels

Definitions

  • the subject of the invention is a tourbillon for a watch movement, a watch movement and a timepiece equipped with such a tourbillon.
  • the tourbillon cage is generally held in place by two pivots, one in the plate and the other in a bridge, is rotated in a ball bearing, which allows it to be better visible on the dial side.
  • the object of the invention is to eliminate the guiding of the vortex cage by the center and to improve the guiding of the cage and the general aesthetics of the movement of the watch.
  • the present invention provides that the guiding of the cage is performed at the periphery of the vortex, thus improving the visibility of the cage.
  • the tourbillon for a watch movement of the type comprising a frame on which the vortex is intended to be arranged, comprises a cage, carrying a balance, a spiral and an escapement, and comprising a bridge intended to present a movement of rotation in reference to the building of the watch movement.
  • the vortex is characterized in that the bridge has a circular periphery adapted to cooperate with at least three rollers pivoted on the watch movement to ensure the suspension and positioning of the tourbillon on the frame.
  • the invention also relates to a watch movement comprising at least three pivoting rollers with reference to the frame of the movement and between which is suspended and guided a tourbillon meeting the above characteristics.
  • one of the pivoting rollers is movable in a direction transverse to its axis of rotation, so as to allow the engagement and mounting of the cage between the rollers.
  • the watch movement may advantageously have an eccentric to precisely adjust the position of the movable roller on the frame, in order to adjust the games of the set.
  • the movable roller can be mounted on a pivoting arm between an open position and a locking position of the cage.
  • the cage may have an upper bridge, a lower bridge and an exhaust bridge supporting a balance wheel, a hairspring, an escapement and an anchor.
  • the lower bridge has a circular configuration and its periphery is arranged to be placed in a groove made around the perimeter of each of the rollers.
  • the vortex can be driven by a pinion fixed under the cage.
  • the vortex can be driven by a ring gear integral with a cage bridge, preferably a lower bridge, namely located on the bridge side of a movement in which the vortex is mounted.
  • the guiding of the cage by the center is replaced by that of the three rollers positioning the lower bridge of the cage axially and radially from the outside.
  • the guiding of the cage is thus better and more accurate than the guiding performed by central pivots.
  • the visibility of the tourbillon in a timepiece integrating it is thus significantly improved both from the dial side and from the bottom side of the timepiece.
  • the drawing represents, by way of example, two modes of execution of a suspended tourbillon, object of the invention.
  • Fig. 1 is a perspective view of a suspended tourbillon with drive of the tourbillon cage by a central pinion secured to said cage,
  • fig. 2 is a section of the vortex of FIG. 1 according to a section plane containing the axes of rotation of the cage and the escape wheel,
  • fig. 3 is a perspective view of a second embodiment of a suspended tourbillon with a drive of the tourbillon cage by an outer ring gear secured to the lower deck of the cage, and
  • fig. 4 is a section of the vortex of FIG. 3 according to a cutting plane containing the axes of rotation of the cage and the escape wheel.
  • the suspended tourbillon described in both variants of the drawing comprises a tourbillon cage composed mainly of an upper deck 1, a lower deck 2 and an exhaust bridge 3 carrying a rocker 4, an escape wheel 5 and an anchor 6.
  • the cage is driven either by a pinion 7 fixed under the cage (Fig.1) or by a ring gear 8 secured to the lower deck of the cage 2 (Fig.3).
  • the lower bridge of the cage 2 is arranged to be positioned axially and radially by means of two fixed rollers 9 and 10 and a movable roller 11.
  • the latter is connected to the frame of the movement so as to be movable between two extreme positions in a transverse direction with reference to its axis of rotation.
  • the movable roller is carried by an arm 11a pivoting between an open position allowing the engagement of the cage between the rollers and a locking position whose adjustment can be effected by means of an eccentric 12 placed on the pivoting arm.
  • an eccentric 12 placed on the pivoting arm.
  • a modification of the orientation of the eccentric makes it possible to adjust the position of the mobile roller with reference to the frame of the movement.
  • the regulating organ of the The tourbillon cage is set in motion, conventionally by means of a fixed wheel 13 integral with the plate, not shown, and arranged in engagement with the escape wheel 5.
  • the lower bridge 2 has a circular periphery arranged to be placed in an annular groove formed on the periphery of each of the rollers 9, 10 and 11.
  • the surfaces of the periphery of the bridge 2, on the one hand, and throats, on the other hand, can be of substantially complementary forms.
  • the fixed rollers 9 and 10 can be mounted on pivoting axes in stones of the frame, one in the plate and the other in a bridge, or on single bearings of the ball bearing type, for example .

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)
  • Electromechanical Clocks (AREA)
  • Toys (AREA)
  • Adornments (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Rollers For Roller Conveyors For Transfer (AREA)
  • Transmission Devices (AREA)
  • Types And Forms Of Lifts (AREA)

Abstract

The tourbillon has a cage including upper and lower bridges (1, 2) and an escapement bridge (3) bearing a balance (4), a hairspring and a movable escapement (5). The lower bridge presents a rotational movement with reference to a clock movement frame. The bridge has a circular periphery to cooperate with fixed rollers (9, 10) and a movable roller (11) mounted pivotingly on the clock movement for assuring the suspension and positioning of the tourbillon on the frame. The periphery has a conformed surface for being complementary to a surface of each roller of the clock movement.

Description

Domaine techniqueTechnical area

L'invention a pour objets un tourbillon pour mouvement horloger, un mouvement horloger et une pièce d'horlogerie munis d'un tel tourbillon.The subject of the invention is a tourbillon for a watch movement, a watch movement and a timepiece equipped with such a tourbillon.

Etat de la techniqueState of the art

On connaît différents systèmes permettant de diminuer la variation de marche d'une montre-bracelet au porté. Le tourbillon est l'un des plus utilisé car la mise en rotation de l'organe réglant (généralement 1 tour/min.) permet d'annuler pratiquement les différences de marche dans les positions verticales.Various systems are known that make it possible to reduce the variation of a wristwatch when worn. The vortex is one of the most used because the setting in rotation of the regulating organ (generally 1 rpm) makes it possible to virtually cancel the differences in the vertical positions.

La cage du tourbillon est généralement, soit maintenue en place par deux pivots, l'un dans la platine et l'autre dans un pont, soit pivotée dans un palier à billes, ce qui lui permet d'être mieux visible du côté cadran.The tourbillon cage is generally held in place by two pivots, one in the plate and the other in a bridge, is rotated in a ball bearing, which allows it to be better visible on the dial side.

Divulgation de l'inventionDisclosure of the invention

Le but de l'invention est de supprimer le guidage de la cage du tourbillon par le centre et d'améliorer le guidage de la cage et l'esthétique générale du mouvement de la montre.The object of the invention is to eliminate the guiding of the vortex cage by the center and to improve the guiding of the cage and the general aesthetics of the movement of the watch.

Ainsi, la présente invention prévoit que le guidage de la cage est effectué à la périphérie du tourbillon, améliorant ainsi la visibilité de la cage.Thus, the present invention provides that the guiding of the cage is performed at the periphery of the vortex, thus improving the visibility of the cage.

Le tourbillon, selon l'invention, pour mouvement horloger du type comportant un bâti sur lequel le tourbillon est destiné à être agencé, comporte une cage, portant un balancier, un spiral et un échappement, et comprenant un pont destiné à présenter un mouvement de rotation en référence au bâti du mouvement horloger. Le tourbillon est caractérisé par le fait que le pont présente une périphérie circulaire apte à coopérer avec au moins trois galets montés pivotant sur le mouvement horloger pour assurer la suspension et le positionnement du tourbillon sur le bâti.The tourbillon, according to the invention, for a watch movement of the type comprising a frame on which the vortex is intended to be arranged, comprises a cage, carrying a balance, a spiral and an escapement, and comprising a bridge intended to present a movement of rotation in reference to the building of the watch movement. The vortex is characterized in that the bridge has a circular periphery adapted to cooperate with at least three rollers pivoted on the watch movement to ensure the suspension and positioning of the tourbillon on the frame.

L'invention concerne également un mouvement horloger comportant au moins trois galets pivotants en référence au bâti du mouvement et entre lesquels est suspendu et guidé un tourbillon répondant aux caractéristiques ci-dessus.The invention also relates to a watch movement comprising at least three pivoting rollers with reference to the frame of the movement and between which is suspended and guided a tourbillon meeting the above characteristics.

Selon un mode d'exécution préféré, un des galets pivotants est mobile suivant une direction transversale par rapport à son axe de rotation, de manière à permettre l'engagement et le montage de la cage entre les galets.According to a preferred embodiment, one of the pivoting rollers is movable in a direction transverse to its axis of rotation, so as to allow the engagement and mounting of the cage between the rollers.

Le mouvement horloger peut avantageusement présenter un excentrique permettant d'ajuster précisément la position du galet mobile sur le bâti, afin d'effectuer un réglage des jeux de l'ensemble.The watch movement may advantageously have an eccentric to precisely adjust the position of the movable roller on the frame, in order to adjust the games of the set.

Le galet mobile peut être monté sur un bras pivotant entre une position d'ouverture et une position de verrouillage de la cage.The movable roller can be mounted on a pivoting arm between an open position and a locking position of the cage.

La cage peut présenter un pont supérieur, un pont inférieur et un pont d'échappement supportant un balancier, un spiral, un mobile d'échappement et une ancre.The cage may have an upper bridge, a lower bridge and an exhaust bridge supporting a balance wheel, a hairspring, an escapement and an anchor.

De manière préférée, le pont inférieur présente une configuration circulaire et sa périphérie est agencée pour se placer dans une gorge pratiquée sur le pourtour de chacun des galets.Preferably, the lower bridge has a circular configuration and its periphery is arranged to be placed in a groove made around the perimeter of each of the rollers.

Le tourbillon peut être entraîné par un pignon fixé sous la cage. Alternativement le tourbillon peut être entraîné par une couronne dentée solidaire d'un pont de la cage, préférablement d'un pont inférieur, à savoir situé du côté ponts d'un mouvement dans lequel le tourbillon est monté.The vortex can be driven by a pinion fixed under the cage. Alternatively the vortex can be driven by a ring gear integral with a cage bridge, preferably a lower bridge, namely located on the bridge side of a movement in which the vortex is mounted.

Avec le tourbillon selon l'invention, le guidage de la cage par le centre est remplacé par celui des trois galets de roulement positionnant le pont inférieur de la cage axialement et radialement depuis l'extérieur. Le guidage de la cage est ainsi meilleur et plus précis que le guidage effectué par des pivots centraux. D'autre part, la visibilité du tourbillon dans une pièce d'horlogerie l'intégrant, est ainsi nettement améliorée à la fois depuis le côté cadran et depuis le côté fond de la pièce d'horlogerie.With the vortex according to the invention, the guiding of the cage by the center is replaced by that of the three rollers positioning the lower bridge of the cage axially and radially from the outside. The guiding of the cage is thus better and more accurate than the guiding performed by central pivots. On the other hand, the visibility of the tourbillon in a timepiece integrating it, is thus significantly improved both from the dial side and from the bottom side of the timepiece.

Brève description des dessinsBrief description of the drawings

Le dessin représente, à titre d'exemple, deux modes d'exécution d'un tourbillon suspendu, objet de l'invention.The drawing represents, by way of example, two modes of execution of a suspended tourbillon, object of the invention.

La fig. 1 est une vue en perspective d'un tourbillon suspendu avec entraînement de la cage du tourbillon par un pignon central solidaire de ladite cage,Fig. 1 is a perspective view of a suspended tourbillon with drive of the tourbillon cage by a central pinion secured to said cage,

la fig. 2 est une coupe du tourbillon de la fig. 1 selon un plan de coupe contenant les axes de rotation de la cage et de la roue d'échappement,fig. 2 is a section of the vortex of FIG. 1 according to a section plane containing the axes of rotation of the cage and the escape wheel,

la fig. 3 est une vue en perspective d'un deuxième mode d'exécution d'un tourbillon suspendu avec un entraînement de la cage de tourbillon par une couronne dentée extérieure solidaire du pont inférieur de la cage, etfig. 3 is a perspective view of a second embodiment of a suspended tourbillon with a drive of the tourbillon cage by an outer ring gear secured to the lower deck of the cage, and

la fig. 4 est une coupe du tourbillon de la fig. 3 selon un plan de coupe contenant les axes de rotation de la cage et de la roue d'échappement.fig. 4 is a section of the vortex of FIG. 3 according to a cutting plane containing the axes of rotation of the cage and the escape wheel.

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

Pour une meilleure compréhension des deux modes d'exécution du mécanisme en regard des figures 1 à 4, les éléments de bâti du mouvement horloger, notamment la platine et les ponts, n'ont pas été représentés dans les vues en perspective des figures 1 et 3. Le tourbillon décrit en regard des figures du dessin a été développé pour une montre-bracelet. Cette utilisation n'est cependant pas limitative et le tourbillon décrit en regard du dessin pourra être utilisé pour équiper des montres de poche ou des pendulettes.For a better understanding of the two embodiments of the mechanism with reference to FIGS. 1 to 4, the frame elements of the watch movement, in particular the plate and the bridges, have not been represented in the perspective views of FIGS. 3. The tourbillon described next to the drawing figures was developed for a wristwatch. This use is however not limiting and the tourbillon described next to the drawing can be used to equip pocket watches or clocks.

Le tourbillon suspendu décrit dans les deux variantes du dessin comprend une cage de tourbillon composée principalement d'un pont supérieur 1, d'un pont inférieur 2 et d'un pont d'échappement 3 portant un balancier 4, un mobile d'échappement 5 et une ancre 6. La cage est entraînée soit par un pignon 7 fixé sous la cage (Fig.1) soit par une couronne dentée 8 solidaire du pont inférieur de la cage 2 (Fig.3). Le pont inférieur de la cage 2 est agencé pour pouvoir être positionné axialement et radialement au moyen de deux galets fixes 9 et 10 et d'un galet mobile 11.The suspended tourbillon described in both variants of the drawing comprises a tourbillon cage composed mainly of an upper deck 1, a lower deck 2 and an exhaust bridge 3 carrying a rocker 4, an escape wheel 5 and an anchor 6. The cage is driven either by a pinion 7 fixed under the cage (Fig.1) or by a ring gear 8 secured to the lower deck of the cage 2 (Fig.3). The lower bridge of the cage 2 is arranged to be positioned axially and radially by means of two fixed rollers 9 and 10 and a movable roller 11.

Ce dernier est relié au bâti du mouvement de façon à être mobile entre deux positions extrêmes suivant une direction transversale en référence à son axe de rotation. Tel que représenté à titre d'exemple, le galet mobile est porté par un bras 11a pivotant entre une position d'ouverture permettant l'engagement de la cage entre les galets et une position de verrouillage dont l'ajustement peut être effectué au moyen d'un excentrique 12 placé sur le bras pivotant. De manière connue, une modification de l'orientation de l'excentrique permet d'ajuster la position du galet mobile en référence au bâti du mouvement. L'organe réglant de la cage tourbillon est mis en mouvement, de manière classique au moyen d'une roue fixe 13 solidaire de la platine, non représentée, et arrangée en prise avec le mobile d'échappement 5.The latter is connected to the frame of the movement so as to be movable between two extreme positions in a transverse direction with reference to its axis of rotation. As shown by way of example, the movable roller is carried by an arm 11a pivoting between an open position allowing the engagement of the cage between the rollers and a locking position whose adjustment can be effected by means of an eccentric 12 placed on the pivoting arm. In a known manner, a modification of the orientation of the eccentric makes it possible to adjust the position of the mobile roller with reference to the frame of the movement. The regulating organ of the The tourbillon cage is set in motion, conventionally by means of a fixed wheel 13 integral with the plate, not shown, and arranged in engagement with the escape wheel 5.

Comme représenté dans le dessin, le pont inférieur 2 présente une périphérie circulaire agencée pour venir se placer dans une gorge annulaire pratiquée sur le pourtour de chacun des galets 9, 10 et 11. De manière avantageuse, les surfaces de la périphérie du pont 2, d'une part, et des gorges, d'autre part, peuvent être de formes sensiblement complémentaires.As shown in the drawing, the lower bridge 2 has a circular periphery arranged to be placed in an annular groove formed on the periphery of each of the rollers 9, 10 and 11. Advantageously, the surfaces of the periphery of the bridge 2, on the one hand, and throats, on the other hand, can be of substantially complementary forms.

L'homme du métier pourra réaliser le montage des galets sur le bâti du mouvement de la manière la plus adaptée à ses besoins sans sortir du cadre de la présente invention. En particulier, les galets fixes 9 et 10 peuvent être montés sur des axes pivotant dans des pierres du bâti, l'une dans la platine et l'autre dans un pont, ou encore sur des paliers uniques du type roulement à billes, par exemple.Those skilled in the art will be able to mount the rollers on the frame of the movement in the manner most suited to their needs without departing from the scope of the present invention. In particular, the fixed rollers 9 and 10 can be mounted on pivoting axes in stones of the frame, one in the plate and the other in a bridge, or on single bearings of the ball bearing type, for example .

Le positionnement et le guidage de la cage, assurés à l'extérieur de ladite cage, permettent ainsi de rendre visible son fonctionnement sur le dessous du mouvement aussi bien que sur le dessus.The positioning and guiding of the cage, provided outside of said cage, thus make visible its operation on the bottom of the movement as well as on the top.

Claims (12)

Tourbillon, pour mouvement horloger comportant un bâti sur lequel le tourbillon est destiné à être agencé, le tourbillon comportant une cage (1, 2, 3) portant un balancier (4), un spiral et un échappement (5) et comprenant un pont (2) destiné à présenter un mouvement de rotation en référence au bâti du mouvement horloger, caractérisé en ce que ledit pont présente une périphérie circulaire apte à coopérer avec au moins trois galets (9, 10, 11) montés pivotant sur le mouvement horloger pour assurer la suspension et le positionnement du tourbillon sur le bâti.Tourbillon, for watch movement comprising a frame on which the vortex is intended to be arranged, the vortex comprising a cage (1, 2, 3) carrying a balance (4), a spiral and an escapement (5) and comprising a bridge ( 2) intended to present a rotational movement with reference to the frame of the watch movement, characterized in that said bridge has a circular periphery adapted to cooperate with at least three rollers (9, 10, 11) pivotally mounted on the watch movement to ensure suspension and positioning of the tourbillon on the frame. Tourbillon selon la revendication 1, caractérisé en ce que ladite périphérie circulaire présente une surface conformée pour être sensiblement complémentaire à une surface de chaque galet du mouvement horloger avec laquelle elle est destinée à être en contact.Tourbillon according to claim 1, characterized in that said circular periphery has a surface shaped to be substantially complementary to a surface of each roller of the watch movement with which it is intended to be in contact. Tourbillon selon la revendication 1, caractérisé en ce qu'il comporte un pont inférieur (2), un pont supérieur (1) et un pont d'échappement (3) supportant le balancier (4), un mobile d'échappement (5) et une ancre (6), ledit pont inférieur étant destiné à coopérer avec les galets du mouvement horloger.Tourbillon according to Claim 1, characterized in that it comprises a lower bridge (2), an upper bridge (1) and an escapement bridge (3) supporting the rocker arm (4), an escapement wheel (5) and an anchor (6), said lower bridge being intended to cooperate with the rollers of the watch movement. Mouvement horloger comportant un bâti sur lequel un tourbillon est monté rotatif, ce dernier comportant une cage (1, 2, 3) portant un balancier (4), un spiral et un échappement (5) et comprenant un pont (2), caractérisé en ce que ledit pont présente une périphérie circulaire coopérant avec au moins trois galets (9, 10, 11) montés rotatifs sur ledit bâti de manière à suspendre et positionner ledit tourbillon en référence audit bâti.Watch movement comprising a frame on which a tourbillon is rotatably mounted, the latter comprising a cage (1, 2, 3) carrying a balance (4), a hairspring and an escapement (5) and comprising a bridge (2), characterized in that that said bridge has a circular periphery which interacts with at least three rollers (9, 10, 11) rotatably mounted on said frame so as to suspend and positioning said vortex with reference to said frame. Mouvement horloger selon la revendication 4, caractérisé en ce qu'au moins l'un desdits galets (11) est arrangé sur ledit bâti de manière à être mobile entre deux positions extrêmes suivant une direction transversale en référence à son axe de rotation.Clock movement according to claim 4, characterized in that at least one of said rollers (11) is arranged on said frame so as to be movable between two extreme positions in a transverse direction with reference to its axis of rotation. Mouvement horloger selon la revendication 5, caractérisé en ce qu'il comporte un excentrique (12) dont l'orientation permet d'ajuster la position dudit galet mobile (11) en référence audit bâti.Clock movement according to claim 5, characterized in that it comprises an eccentric (12) whose orientation makes it possible to adjust the position of said movable roller (11) with reference to said frame. Mouvement horloger selon la revendication 5, caractérisé en ce que ledit galet mobile (11) est monté rotatif sur un bras (11a) pivotant sur ledit bâti entre une position d'ouverture et une position de verrouillage de ladite cage (1, 2, 3) de tourbillon.Clock movement according to claim 5, characterized in that said movable roller (11) is rotatably mounted on an arm (11a) pivoting on said frame between a opening position and a locking position of said vortex cage (1, 2, 3). Mouvement horloger selon l'une quelconque des revendications 4 à 7, caractérisé en ce que ladite périphérie circulaire dudit pont (2) présente une surface conformée pour être sensiblement complémentaire à une surface de chacun desdits galets (9, 10, 11) avec laquelle elle est destinée à être en contact.Clock movement according to any one of claims 4 to 7, characterized in that said circular periphery of said bridge (2) has a surface shaped to be substantially complementary to a surface of each of said rollers (9, 10, 11) with which it is intended to be in contact. Mouvement horloger selon l'une quelconque des revendications 4 à 7, caractérisé en ce que chacun desdits galets (9, 10, 11) présente une gorge annulaire agencée pour coopérer avec ladite périphérie circulaire dudit pont (2).Clock movement according to any one of claims 4 to 7, characterized in that each of said rollers (9, 10, 11) has an annular groove arranged to cooperate with said circular periphery of said bridge (2). Pièce d'horlogerie comportant une boîte contenant un mouvement horloger selon l'une quelconque des revendications 4 à 7.Timepiece comprising a box containing a watch movement according to any one of claims 4 to 7. Pièce d'horlogerie comportant une boîte contenant un mouvement horloger selon la revendication 8.Timepiece comprising a case containing a watch movement according to claim 8. Pièce d'horlogerie comportant une boîte contenant un mouvement horloger selon la revendication 9.Timepiece comprising a case containing a watch movement according to claim 9.
EP07018872A 2006-09-25 2007-09-25 Tourbillon for a timepiece Withdrawn EP1903408A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH01522/06A CH701725B1 (en) 2006-09-25 2006-09-25 Tourbillon timepiece.

Publications (2)

Publication Number Publication Date
EP1903408A2 true EP1903408A2 (en) 2008-03-26
EP1903408A3 EP1903408A3 (en) 2011-05-25

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EP07018872A Withdrawn EP1903408A3 (en) 2006-09-25 2007-09-25 Tourbillon for a timepiece

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US (1) US7794137B2 (en)
EP (1) EP1903408A3 (en)
JP (1) JP2008083051A (en)
CN (1) CN101154088A (en)
CH (1) CH701725B1 (en)
RU (1) RU2007135324A (en)
SG (1) SG141362A1 (en)

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WO2017109160A1 (en) * 2015-12-24 2017-06-29 Dimier 1738, Manufacture De Haute Horlogerie Artisanale Sa Display mechanism with radial guidance
CH712973A1 (en) * 2016-09-23 2018-03-29 Bucherer Ag Tourbillon and watch with tourbillon.

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CN101154088A (en) 2008-04-02
CH701725B1 (en) 2011-03-15
US20080074955A1 (en) 2008-03-27
EP1903408A3 (en) 2011-05-25
JP2008083051A (en) 2008-04-10
SG141362A1 (en) 2008-04-28
US7794137B2 (en) 2010-09-14
RU2007135324A (en) 2009-03-27

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