EP2252918B1 - Coaxial horological movement - Google Patents
Coaxial horological movement Download PDFInfo
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- EP2252918B1 EP2252918B1 EP08719642A EP08719642A EP2252918B1 EP 2252918 B1 EP2252918 B1 EP 2252918B1 EP 08719642 A EP08719642 A EP 08719642A EP 08719642 A EP08719642 A EP 08719642A EP 2252918 B1 EP2252918 B1 EP 2252918B1
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- EP
- European Patent Office
- Prior art keywords
- horological movement
- wheel unit
- movement according
- energy accumulator
- seconds
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- 230000001105 regulatory effect Effects 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 7
- 229910002804 graphite Inorganic materials 0.000 description 7
- 239000010439 graphite Substances 0.000 description 7
- 239000004809 Teflon Substances 0.000 description 2
- 229920006362 Teflon® Polymers 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 210000000056 organ Anatomy 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Images
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
- G04B33/00—Calibers
-
- 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 present invention relates to the field of watchmaking, more particularly to a coaxial clock movement.
- a simple watchmaking movement consists of a barrel (energy accumulator), gear trains (transmission members), an escapement (energy dispensing member), and a sprung balance (regulating member ). These components are generally mounted on a plurality of trees which are distributed over the entire plate or on bridges arranged on the latter. In this configuration, the assembly of these elements has the effect of limiting the reduction of the size of the movement.
- the document EP0681227 discloses a mechanical timepiece comprising a mobile hours and a mobile minutes, each mobile being composed of a transparent disk on which is made by metal deposition respectively a minute hand and an hour hand.
- a particularity of this timepiece is to include a vortex disposed at its center and mounted coaxially with the mobile hours, minutes and barrel.
- the two display disks have on their periphery crowns made of a metallic material, and having a shoulder for receiving the corresponding disk.
- the drive crowns are glued to the display disks and they have at their periphery a radial external toothing.
- the multiplication ratios between the barrel and the vortex are obtained thanks to a first gear train while the multiplication ratios between the barrel and the display disks are obtained thanks to a second gear train engaged with the radial toothing of training crowns.
- the various shafts including the workings of the first and second gear are arranged on the plate outside the perimeter inside which are the barrel and the tourbillon cage.
- the layout of some cogs go well beyond the periphery of this area to be able to mesh with the different drive rings located on the periphery of the display discs.
- the barrel, the time indicator bodies and the tourbillon are arranged in the center of the watch movement, the size of the latter is not reduced as the peripheral gear trains are essential to to ensure adequate rotation of the different organs.
- the object of the present invention is to provide a coaxial clock movement that can significantly reduce the size of the watch movement.
- this object is achieved by means of a watch movement according to claim 1.
- This movement comprises an energy accumulator, mobiles on which time indicator bodies are arranged, kinematic connection means providing the reports of multiplication or multiplication between the different mobiles and a regulating organ.
- the energy accumulator, the mobiles and the regulating member are arranged coaxially.
- Each mobile has a shape that is similar to a cup, each cup having a different diameter so as to partially fit one into the other or into each other.
- the watch movement further comprises a differential arranged coaxially with the energy accumulator to ensure the kinematic connection of the energy accumulator to one of the cups via a main shaft and a main barrel arranged coaxially around the main shaft, said barrel being adapted to support the other or the other cups and said kinematic connecting means.
- one of the cups corresponds to the mobile seconds within which is arranged the regulating member.
- the mechanical watch movement comprises a mobile seconds (1), minutes (2) and hours (3), all three similar to a respective cup.
- These cups (1, 2, 3) are arranged coaxially with the barrel (4) and the sprung balance (5, 6) of the movement.
- the seconds cup (1) is arranged partially inside the minute cup (2) while it is itself arranged partially inside the hours cup (3).
- the energy required to operate the movement is provided by the barrel (4). It is kinematically connected to one of the ends of a main shaft (7) via a barrel differential (8) which makes it possible to multiply the stroke of the barrel (4) by the means described above. after.
- this barrel differential (8) supported by a support (8 ') ( Figure 2 ), consists of an annular central portion intended to be fitted on a stationary main gun (15) arranged coaxially with the main shaft (7) and integral with the plate (16) of the movement.
- This differential (8) is provided with three rods (9) arranged radially on the periphery of the central part at 120 ° relative to each other.
- a bevel gear (10) having a first and a second diameter (10 ', 10 ") is freely fit on each rod (9).
- the portion of the lower diameter pinion (10 ') is engaged with the barrel wheel (11) while the portion of the larger diameter pinion (10 ") is engaged with a disk (12) provided with a rack circular (12 '), said disk (12) being integral with the main shaft (7) ( Figure 6 ).
- the number and the distribution of the pinions (10) have been determined so as to standardize the distribution of mechanical stresses around the rack (12 ') of the disk (12).
- the gear ratios between the barrel wheel (11), the pinions (10) and the rack (12 ') have been determined in order to print to the main shaft (7) a rotation of 360 ° per minute.
- the seconds cup (1) is located on the upper part of the watch movement and is integral with the upper end of the main shaft (7).
- the sprung balance (5, 6) and the escapement, the latter being in engagement with said sprung balance (5, 6), are arranged inside the cup (1) and are therefore entirely visible on the dial side of a watch as illustrated by the Figure 5 .
- This particular arrangement has the advantage of rotating the balance spring (5, 6) and the exhaust on themselves thus obtaining the function of a central vortex, the seconds cup (1) can be likened to the cage whirlpool.
- the exhaust pinion (13) is arranged to mesh with a gear ring (14) located under the seconds cup (1).
- the base of this ring (14) is directly driven on the main barrel (15).
- the gear ring (14) is therefore immobile, the exhaust pinion (13) being capable of rotating 360 ° per minute around the periphery of said ring gear (14).
- annular clutch disk hour setting (17) in graphite is arranged coaxially and integrally with the second cup (1) via pins (18).
- This disc (17) thus performs a complete revolution around the main barrel (15) every 60 seconds.
- This disc (17) plays the clutch function with another disc (19) also made of graphite, which is part of a planetary gear system which will be described later.
- annular disks (17, 19) are molded with a very rough surface definition. This allows the two discs (17, 19) to adhere to each other without causing a gear jump in the mechanism when the latter are in contact in order to transmit the force normally to the different cups (1, 2 and 3). When these two discs (17, 19) are disengaged, the set of cups (1, 2 and 3) can be slid along the main barrel (15) to allow the time setting of the watch by a device adapted.
- the watch movement comprises a first planetary gear system consisting of the elements as shown in Figures 8, 9, 10, 11, 12, 13, 14 and 15, in order to increase the stroke of the seconds cup (1 ) so that the minute cup (2) rotates every hour.
- This planetary gear system is constituted by the annular disk (19) made of graphite, as illustrated by the Figure 11 , provided with three axes (20) arranged perpendicularly to said disk (19) towards its periphery at 120 ° relative to each other, three so-called satellite wheels minutes (21) freely arranged at each end of the axes (20), d a ring (23) located on the inner circumference of the minute cup (2) near its base as illustrated by the Figures 8, 9 , and 10 , as well as a minute gear (22) driven on the main gun (15) of the movement ( Figures 7 and 8 ).
- annular disks (24, 24 'and 25) are superimposed and driven coaxially on the main barrel (15) below the graphite disc (17) integral with the seconds cup (1).
- the outer diameter of the upper and lower discs (24, 24 ') is slightly greater than the outer diameter of the middle disc (25) to create a circular groove (26) so that the inner circumference of the annular graphite disc (19) come clipping into this groove (26).
- This gorge (26) at the Figure 10 although this figure represents schematically the maintenance of one of the cups (1, 2, 3) on the main barrel (15) of the movement by the same principle.
- the contact surfaces between the graphite disk (19) and the groove (26) have undergone a surface treatment to minimize the coefficient of friction.
- the three annular disks (24, 24 'and 25) have a Teflon coating. The graphite disk (19) can thus be driven around its axis of rotation with a minimum of friction.
- the three minute satellites (21) are engaged on the one hand with the pinion (22) immobile and on the other hand with the crown (23) of the cup of minutes (2).
- the rotation of the disc (19) causes orbital rotation around the main gun (15) the three satellites (21), the latter driving the minute cup (2) in rotation.
- the hour cup (2) can firstly be maintained at the correct height on the main barrel (15) and on the other hand be driven around its axis of rotation, three annular discs (24 ', 24 " and 25 '), similar to those used to allow the drive (19) to drive about its axis of rotation ( Figure 11 ) are superimposed and driven coaxially on the main barrel (15) below the pinion (22).
- the minute cup (2) has a shoulder (27) on its entire internal circumference below the ring (23), this shoulder (27) being intended to be housed in the groove (26) resulting from assembling the three annular disks (24 ', 24' and 25).
- the minute cup (2) is preferably ceramic while the annular discs (24 ', 24' and 25) have a Teflon coating to minimize the coefficient of friction. The minute cup (2) can thus be driven around its axis of rotation with a minimum of friction.
- the diameter of the minute cup (2) is greater than that of the seconds cup (1) so that it can be arranged coaxially, and partially inside said minute cup (2).
- the underside of this minute cup (2) has a circular rack (28) arranged to engage a second planetary gear system via a minute differential (29) as schematically illustrated by the Figure 17 .
- the three gears (10) of this differential (29) are arranged to mesh on either side with the circular rack (28) of the minute cup (2) and a circular rack (not shown) arranged on the top of the a disc (30) similar to the disc (19) and integral with the second planetary gear system.
- It comprises elements similar to the first planetary gear system, namely three so-called hour satellite wheels (31) arranged freely at each end of the axes (20 ') of the disk (30), a ring gear (23'). ) located on the inner circumference of the hour cup (3) near its base and a pinion (22 ') hours driven on the main barrel (15) of the movement.
- this second planetary gear system makes it possible to multiply the stroke of the minute cup (2) so that the hour cup (3) rotates every 12 hours.
- the watch movement may further include one or more complications.
- the underside of the hour cup (3) can be provided close to its periphery with a circular rack (32) for kinematically connecting said cup of hours to a cup of days (not shown) via a differential of hours (33) ( Figure 6 ) and an additional planetary gear system similar to those previously described in order to be able to indicate the calendar of the month.
- the diameter of the hours cup (3) is smaller than the diameter of the cupel days to be arranged partially inside the latter.
- the indicators indicating the seconds, minutes, hours (1 ', 2', 3 ') and, if appropriate, the date, are integrally mounted to the cups of seconds, minutes, hours (1, 2, 3) and, if necessary, days.
- three holding shafts (34) are arranged on the plate (16) around the central barrel (15) of movement at 120 ° from each other. These shafts (34) make it possible to distribute the different mechanical forces exerted by the movement and to reinforce the structure supporting the various components of the movement.
- the barrel differentials, minutes and hours (8, 29, 33), the holding discs (24, 24 ', 25) of the planet gear systems and the pinions (22, 22') all three comprise orifices (35) in correspondence with the positioning of the three holding pins (34).
- the tourbillon cup / seconds (1) can be arranged at any height on the main barrel (15) while the positioning of the cups (1, 2 and 3) and complications is only tributary the choice of movement design.
- the gear ratios are determined according to the positioning of the cups (1, 2 and 3).
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- General Physics & Mathematics (AREA)
- Electromechanical Clocks (AREA)
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- Toys (AREA)
- Materials For Medical Uses (AREA)
- Arrangement And Driving Of Transmission Devices (AREA)
Abstract
Description
La présente invention est relative au domaine de l'horlogerie, plus particulièrement à un mouvement horloger coaxial.The present invention relates to the field of watchmaking, more particularly to a coaxial clock movement.
Un mouvement horloger simple se compose d'un barillet (organe accumulateur d'énergie), de trains de rouages (organes de transmission), d'un échappement (organe distributeur d'énergie), et d'un balancier-spiral (organe régulateur). Ces composants sont généralement montés sur une pluralité d'arbres lesquels sont repartis sur toute la platine ou sur des ponts agencés sur cette dernière. Dans cette configuration, l'assemblage de ces éléments a pour conséquence de limiter la réduction de la taille du mouvement.A simple watchmaking movement consists of a barrel (energy accumulator), gear trains (transmission members), an escapement (energy dispensing member), and a sprung balance (regulating member ). These components are generally mounted on a plurality of trees which are distributed over the entire plate or on bridges arranged on the latter. In this configuration, the assembly of these elements has the effect of limiting the reduction of the size of the movement.
Le document
Par ailleurs, les deux disques d'affichage comportent sur leur périphérie des couronnes réalisées en un matériau métallique, et possédant un épaulement permettant de recevoir le disque correspondant. Les couronnes d'entraînement sont collées aux disques d'affichage et elles comportent à leur périphérie une denture extérieure radiale.Furthermore, the two display disks have on their periphery crowns made of a metallic material, and having a shoulder for receiving the corresponding disk. The drive crowns are glued to the display disks and they have at their periphery a radial external toothing.
Les rapports de multiplication entre le barillet et le tourbillon sont obtenus grâce à un premier train de rouages alors que les rapports de multiplication entre le barillet et les disques d'affichage sont obtenus grâce à un second train de rouages en prise avec la denture radial des couronnes d'entraînement.The multiplication ratios between the barrel and the vortex are obtained thanks to a first gear train while the multiplication ratios between the barrel and the display disks are obtained thanks to a second gear train engaged with the radial toothing of training crowns.
Les différents arbres comprenant les rouages du premier et du second train d'engrenage sont agencés sur la platine à l'extérieur du périmètre à l'intérieur duquel se trouvent le barillet et la cage du tourbillon. L'agencement de certains rouages va bien au-delà de la périphérie de cette zone afin de pouvoir engrener avec les différentes couronnes d'entraînement situées sur la périphérie des disques d'affichage.The various shafts including the workings of the first and second gear are arranged on the plate outside the perimeter inside which are the barrel and the tourbillon cage. The layout of some cogs go well beyond the periphery of this area to be able to mesh with the different drive rings located on the periphery of the display discs.
De ce fait, bien que le barillet, les organes indicateurs de l'heure ainsi que le tourbillon soient agencés au centre du mouvement horloger, la taille de celui-ci n'en est toutefois pas réduite puisque les trains de rouage périphérique sont essentielles afin d'assurer une rotation adéquate des différents organes.Therefore, although the barrel, the time indicator bodies and the tourbillon are arranged in the center of the watch movement, the size of the latter is not reduced as the peripheral gear trains are essential to to ensure adequate rotation of the different organs.
Ainsi, le but de la présente invention est de proposer un mouvement horloger coaxial permettant de réduire sensiblement la taille du mouvement horloger.Thus, the object of the present invention is to provide a coaxial clock movement that can significantly reduce the size of the watch movement.
Conformément à l'invention, ce but est atteint grâce à un mouvement horloger selon la revendication 1. Ce mouvement comporte un accumulateur d'énergie, des mobiles sur lesquels sont agencés des organes indicateurs de l'heure, des moyens de liaison cinématique assurant les rapports de multiplication ou démultiplication entre les différents mobiles et un organe régulateur. L'accumulateur d'énergie, les mobiles et l'organe régulateur sont agencés coaxialement. Chaque mobile possède une forme qui s'apparente à une coupelle, chaque coupelle comportant un diamètre différent afin de pouvoir s'ajuster partiellement l'une dans l'autre ou les unes dans les autres. Le mouvement horloger comporte en outre un différentiel agencé coaxialement à l'accumulateur d'énergie afin d'assurer la liaison cinématique de l'accumulateur d'énergie à l'une des coupelles par l'intermédiaire d'un arbre principal et un canon principal agencé de manière coaxiale autour de l'arbre principal, ledit canon étant destiné à supporter l'autre ou les autres coupelles ainsi que lesdits moyens de liaison cinématique. De préférence, l'une des coupelles correspond au mobile des secondes à l'intérieur de laquelle est agencé l'organe régulateur.According to the invention, this object is achieved by means of a watch movement according to
Les caractéristiques de l'invention apparaîtront plus clairement à la lecture d'une description d'une forme d'exécution donnée uniquement à titre d'exemple, nullement limitative en se référant aux figures schématiques, dans lesquelles :
- La
Figure 1 représente une vue éclatée en perspective du mouvement horloger selon la présente invention, - La
Figure 2 représente une vue éclatée de face du mouvement horloger, - La
Figure 3 représente une vue de face du mouvement horloger assemblé, - La
Figure 4 représente une vue détaillée de laFigure 3 représentant une partie d'un différentiel de barillet, - La
Figure 5 représente une vue de dessus du mouvement horloger, - La
Figure 6 représente une vue partielle en coupe de laFigure 5 selon A-A, - La
Figure 7 représente une vue partielle détaillée de laFigure 6 , - La
Figure 8 une vue schématique de dessus d'un mobile des minutes, des heures ou de complication, - La
Figure 9 représente une vue de face de laFigure 8 comportant une coupe partielle, - La
Figure 10 représente une vue détaillée de laFigure 9 , - La
Figure 11 représente une vue éclatée en perspective des satellites d'un système d'engrenage planétaire avec ses éléments de maintien, - La
Figure 12 représente une vue en perspective de dessus de laFigure 11 , - La
Figure 13 représente une vue de dessus du système d'engrenage planétaire avec une coupe partielle, - La
Figure 14 représente une vue de face de laFigure 13 avec une coupe partielle, - La
Figure 15 représente une vue de dessous de laFigure 13 , - La
Figure 16 est une représentation schématique en éclaté du différentiel de barillet, - La
Figure 17 est une représentation en perspective d'un différentiel des minutes, des heures ou de complication.
- The
Figure 1 represents an exploded perspective view of the watch movement according to the present invention, - The
Figure 2 represents an exploded front view of the watch movement, - The
Figure 3 represents a front view of the assembled watch movement, - The
Figure 4 represents a detailed view of theFigure 3 representing part of a barrel differential, - The
Figure 5 represents a top view of the watch movement, - The
Figure 6 represents a partial sectional view of theFigure 5 according to AA, - The
Figure 7 represents a detailed partial view of theFigure 6 , - The
Figure 8 a schematic top view of a mobile minute, hours or complication, - The
Figure 9 represents a front view of theFigure 8 having a partial cut, - The
Figure 10 represents a detailed view of theFigure 9 , - The
Figure 11 represents an exploded view in perspective of the satellites of a planetary gear system with its holding elements, - The
Figure 12 represents a perspective view from above of theFigure 11 , - The
Figure 13 represents a plan view of the planetary gear system with a partial section, - The
Figure 14 represents a front view of theFigure 13 with a partial cut, - The
Figure 15 represents a view from below of theFigure 13 , - The
Figure 16 is an exploded schematic representation of the barrel differential, - The
Figure 17 is a perspective representation of a differential of minutes, hours or complication.
Selon le mode d'exécution principal de la présente invention, le mouvement horloger mécanique comporte un mobile des secondes (1), des minutes (2) et des heures (3), tout trois s'apparentant à une coupelle respective. Ces coupelles (1, 2, 3) sont agencées de manière coaxiale au barillet (4) et au balancier-spiral (5, 6) du mouvement. Selon les
L'énergie nécessaire au fonctionnement du mouvement est fournie par le barillet (4). Celui-ci est connecté cinématiquement à l'une des extrémités d'un arbre principal (7) par l'intermédiaire d'un différentiel de barillet (8) qui permet de multiplier la course du barillet (4) par les moyens décrits ci-après.The energy required to operate the movement is provided by the barrel (4). It is kinematically connected to one of the ends of a main shaft (7) via a barrel differential (8) which makes it possible to multiply the stroke of the barrel (4) by the means described above. after.
Comme on peut le voir à la
Selon la
Les rapports d'engrenages entre la roue de barillet (11), les pignons (10) et la crémaillère (12') ont été déterminés afin d'imprimer à l'arbre principal (7) une rotation de 360° par minute.The gear ratios between the barrel wheel (11), the pinions (10) and the rack (12 ') have been determined in order to print to the main shaft (7) a rotation of 360 ° per minute.
D'après les
Au vu de la
Comme on peut le voir à la
Ces disques annulaires (17, 19) sont moulés avec une définition de surface très rêche. Cela permet aux deux disques (17, 19) d'adhérer mutuellement sans provoquer de saut d'engrenage dans le mécanisme quand ces derniers sont en contact afin de transmettre la force normalement aux différentes coupelles (1, 2 et 3). Lorsque ces deux disques (17, 19) sont débrayés, l'ensemble des coupelles (1, 2 et 3) peuvent être coulissées le long du canon principal (15) afin de permettre la mise à l'heure de la montre par un dispositif adapté.These annular disks (17, 19) are molded with a very rough surface definition. This allows the two discs (17, 19) to adhere to each other without causing a gear jump in the mechanism when the latter are in contact in order to transmit the force normally to the different cups (1, 2 and 3). When these two discs (17, 19) are disengaged, the set of cups (1, 2 and 3) can be slid along the main barrel (15) to allow the time setting of the watch by a device adapted.
Le mouvement horloger comporte un premier système d'engrenage planétaire constitué des éléments tels qu'illustrés par les Figures schématiques 8, 9, 10, 11, 12, 13, 14 et 15, afin de démultiplier la course de la coupelle des secondes (1) de manière à ce que la coupelle des minutes (2) effectue une rotation toutes les heures.The watch movement comprises a first planetary gear system consisting of the elements as shown in Figures 8, 9, 10, 11, 12, 13, 14 and 15, in order to increase the stroke of the seconds cup (1 ) so that the minute cup (2) rotates every hour.
Ce système d'engrenage planétaire est constitué du disque annulaire (19) en graphite, tel qu'illustré par la
Par ailleurs, trois disques annulaires (24, 24' et 25) sont superposés et chassés coaxialement sur le canon principal (15) en dessous du disque en graphite (17) solidaire de la coupelle des secondes (1). D'après la
Comme on peut le voir à la Figure schématique 13, les trois satellites des minutes (21) sont en prises d'une part avec le pignon (22) immobile et, d'autre part, avec la couronne (23) de la coupelle des minutes (2). La rotation du disque (19) entraîne en rotation orbitale autour du canon principal (15) les trois satellites (21), ces derniers entrainant la coupelle des minutes (2) en rotation.As can be seen in Figure 13, the three minute satellites (21) are engaged on the one hand with the pinion (22) immobile and on the other hand with the crown (23) of the cup of minutes (2). The rotation of the disc (19) causes orbital rotation around the main gun (15) the three satellites (21), the latter driving the minute cup (2) in rotation.
Les rapports d'engrenages entre le pignon (22), les satellites (21) et la couronne (23) ont été déterminés afin que la coupelle des minutes (2) effectue une rotation de 360° chaque heure.The gear ratios between pinion (22), satellites (21) and crown (23) have been determined so that the minute cup (2) rotates 360 ° every hour.
Afin que la coupelle des heures (2) puisse d'une part être maintenue à la bonne hauteur sur le canon principal (15) et d'autre part être entrainée autour de son axe de rotation, trois disques annulaires (24', 24" et 25'), semblables à ceux utilisés pour permettre l'entrainement du disque (19) autour de son axe de rotation (
Comme on peut le voir à la
D'après les
Par analogie au premier système d'engrenage planétaire décrit préalablement, ce deuxième système d'engrenage planétaire permet de démultiplier la course de la coupelle des minutes (2) pour que la coupelle des heures (3) effectue une rotation toutes les 12 heures.By analogy with the first planetary gear system previously described, this second planetary gear system makes it possible to multiply the stroke of the minute cup (2) so that the hour cup (3) rotates every 12 hours.
Le mouvement horloger peut comporter en outre une ou plusieurs complications. Par exemple, le dessous de la coupelle des heures (3) peut être pourvu proche de sa périphérie d'une crémaillère circulaire (32) afin de relier cinématiquement ladite coupelle des heures à une coupelle des jours (non illustrée) par l'intermédiaire d'un différentiel des heures (33) (
Les organes indicateurs des secondes, des minutes, des heures (1', 2', 3') et, cas échéant, du quantième, sont montés solidairement à la coupelles des secondes, des minutes, des heures (1, 2, 3) et, le cas échéant, des jours.The indicators indicating the seconds, minutes, hours (1 ', 2', 3 ') and, if appropriate, the date, are integrally mounted to the cups of seconds, minutes, hours (1, 2, 3) and, if necessary, days.
Comme on peut le voir sur les
Aussi, les différentiels de barillet, des minutes et des heures (8, 29, 33), les disques de maintien (24, 24', 25) des systèmes d'engrenage planétaires et les pignons (22, 22') comportes tous trois orifices (35) en correspondance avec le positionnement des trois axes de maintien (34).Also, the barrel differentials, minutes and hours (8, 29, 33), the holding discs (24, 24 ', 25) of the planet gear systems and the pinions (22, 22') all three comprise orifices (35) in correspondence with the positioning of the three holding pins (34).
Il va de soi que l'invention, qui est définie par les revendications, n'est pas limitée au mode d'exécution décrits ci-dessus à titre d'exemple mais qu'elle embrasse, au contraire toutes les variantes d'exécution. A titre d'exemple, la coupelle du tourbillon/ secondes (1) peut être agencée à n'importe quelle hauteur sur le canon principal (15) alors que le positionnement des coupelles (1, 2 et 3) et des complications est seulement tributaire du choix du design du mouvement. Les rapports d'engrenages sont déterminés en fonction du positionnement des coupelles (1, 2 et 3).It goes without saying that the invention, which is defined by the claims, is not limited to the embodiment described above by way of example but embraces, on the contrary, all variants of execution. For example, the tourbillon cup / seconds (1) can be arranged at any height on the main barrel (15) while the positioning of the cups (1, 2 and 3) and complications is only tributary the choice of movement design. The gear ratios are determined according to the positioning of the cups (1, 2 and 3).
Claims (10)
- Horological movement comprising an energy accumulator (4), wheel units (1, 2, 3) on which are arranged time indicating members (1', 2', 3'), kinematic connection means creating the multiplication and demultiplication ratios between the different wheel units (1, 2, 3) and a regulating member (5, 6), the energy accumulator (4), the wheel units (1, 2, 3) and the regulating member (5, 6) being arranged coaxially, characterized in that the horological movement also comprises a differential (8) arranged coaxially with the energy accumulator to provide the kinematic connection between the energy accumulator (4) and one of the wheel units (1, 2, 3) through a main arbor (7), and a main pipe (15) which is fitted coaxially around the main arbor (7), said pipe (15) being designed to support both the other wheel unit or units (1, 2, 3) and said kinematic connection means.
- Horological movement according to Claim 1, characterized in that the energy accumulator is a barrel (4) and in that the regulating member consists of a balance and a balance spring (5, 6).
- Horological movement according to Claim 2, characterized in that it comprises a second wheel unit (1) integral with one of the ends of the main arbor (7), the other end engaging with said differential (8) intended to multiply the travel of the barrel (4) to drive the seconds wheel unit (1) by one revolution per minute.
- Horological movement according to Claim 3, characterized in that a minute wheel unit (2) and an hour wheel unit (3) are arranged around the main pipe (15) and arranged respectively beneath the second wheel unit (1) and beneath the minute wheel unit (2).
- Horological movement according to Claim 4, characterized in that a day wheel unit is arranged around the main pipe (15) and arranged beneath the minute wheel unit (2).
- Horological movement according to any one of the previous claims, characterized in that seconds, minute, hour and day wheel units (1, 2, 3) are similar to respective cups.
- Horological movement according to Claim 6, characterized in that the balance/balance spring (5, 6) is arranged inside and at the center of the seconds cup (1).
- Horological movement according to Claim 6 or 7, characterized in that the cups for the seconds (1), the minutes (2) and the hours (3) are arranged partially inside the cups for the minutes (2), the hours (3) and the days respectively.
- Horological movement according to either of Claims 6 and 7, characterized in that indicators for the hours (3'), the minutes (2') and the seconds (1') are arranged integrally and respectively on the cups for the hours (3), the minutes (2) and the seconds (1), on their respective outer perimeter.
- Wristwatch comprising the horological movement according to any one of the previous claims.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/IB2008/050882 WO2009112884A1 (en) | 2008-03-11 | 2008-03-11 | Coaxial horological movement |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2252918A1 EP2252918A1 (en) | 2010-11-24 |
EP2252918B1 true EP2252918B1 (en) | 2011-10-05 |
Family
ID=40750905
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08719642A Active EP2252918B1 (en) | 2008-03-11 | 2008-03-11 | Coaxial horological movement |
Country Status (8)
Country | Link |
---|---|
US (1) | US8313234B2 (en) |
EP (1) | EP2252918B1 (en) |
JP (1) | JP5410453B2 (en) |
CN (1) | CN102027422B (en) |
AT (1) | ATE527585T1 (en) |
ES (1) | ES2375014T3 (en) |
HK (1) | HK1147810A1 (en) |
WO (1) | WO2009112884A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2315081B1 (en) | 2009-10-26 | 2012-08-29 | Blancpain S.A. | Tourbillon and clockwork including a tourbillon |
WO2015002628A2 (en) | 2013-07-03 | 2015-01-08 | Sheyko Sergiy Vyacheslavovich | Gear mechanism of measuring instrument and electro-mechanical and mechanical watches containing the same |
EP2874023A1 (en) * | 2013-11-13 | 2015-05-20 | ETA SA Manufacture Horlogère Suisse | Timepiece comprising a decoupling between the means for transmitting power and the counting means |
CH718424B1 (en) * | 2021-03-11 | 2023-10-31 | Richemont Int Sa | Timepiece with a display device comprising at least one ornamental mobile. |
EP4080292B1 (en) * | 2021-04-23 | 2023-11-08 | Montres Breguet S.A. | Timepiece mechanism for displaying at least a single indication of the time and timepiece comprising such a mechanism |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1348213A (en) * | 1963-02-21 | 1964-01-04 | A & M Fell Ltd | Improvements in watchmaking devices |
CH529375A (en) * | 1970-12-03 | 1972-06-30 | Federation Suisse Assoc | Watch comprising a barrel placed in the center of the movement |
CH1131075A4 (en) * | 1975-08-30 | 1977-03-15 | Jeannet Chambrelien Pierre | Reduction gear for electronic watch with analog display |
CH617815GA3 (en) * | 1978-09-04 | 1980-06-30 | ||
CH638365B (en) * | 1981-02-26 | Ebauches Electroniques Sa | WATCH PART WITH RELEASE MECHANISM. | |
CH687795C1 (en) * | 1994-05-07 | 2001-05-15 | Omega Sa | MECHANICAL WATCHMAKING PIECE WITH A TOURBILLON. |
JPH0862345A (en) * | 1994-08-26 | 1996-03-08 | Jeco Co Ltd | Gear train structure of clock |
CN100343766C (en) * | 2003-01-17 | 2007-10-17 | 孙德斌 | Movement for tower clock with two or three hands |
JP2011053019A (en) * | 2009-08-31 | 2011-03-17 | Seiko Instruments Inc | Slip gear structure and timepiece with the same |
-
2008
- 2008-03-11 EP EP08719642A patent/EP2252918B1/en active Active
- 2008-03-11 JP JP2010550272A patent/JP5410453B2/en not_active Expired - Fee Related
- 2008-03-11 WO PCT/IB2008/050882 patent/WO2009112884A1/en active Application Filing
- 2008-03-11 CN CN2008801291596A patent/CN102027422B/en not_active Expired - Fee Related
- 2008-03-11 ES ES08719642T patent/ES2375014T3/en active Active
- 2008-03-11 AT AT08719642T patent/ATE527585T1/en not_active IP Right Cessation
- 2008-03-11 US US12/921,245 patent/US8313234B2/en not_active Expired - Fee Related
-
2011
- 2011-02-24 HK HK11101850.4A patent/HK1147810A1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CN102027422A (en) | 2011-04-20 |
HK1147810A1 (en) | 2011-08-19 |
US8313234B2 (en) | 2012-11-20 |
JP5410453B2 (en) | 2014-02-05 |
CN102027422B (en) | 2013-01-30 |
EP2252918A1 (en) | 2010-11-24 |
ATE527585T1 (en) | 2011-10-15 |
WO2009112884A1 (en) | 2009-09-17 |
US20110019505A1 (en) | 2011-01-27 |
ES2375014T3 (en) | 2012-02-24 |
JP2011513760A (en) | 2011-04-28 |
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