EP2252918A1 - Coaxial horological movement - Google Patents

Coaxial horological movement

Info

Publication number
EP2252918A1
EP2252918A1 EP08719642A EP08719642A EP2252918A1 EP 2252918 A1 EP2252918 A1 EP 2252918A1 EP 08719642 A EP08719642 A EP 08719642A EP 08719642 A EP08719642 A EP 08719642A EP 2252918 A1 EP2252918 A1 EP 2252918A1
Authority
EP
European Patent Office
Prior art keywords
cup
minutes
seconds
watch movement
movement according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP08719642A
Other languages
German (de)
French (fr)
Other versions
EP2252918B1 (en
Inventor
Arny Kapshitzer
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.)
Parmigiani Fleurier SA
Original Assignee
Parmigiani Fleurier 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 Parmigiani Fleurier SA filed Critical Parmigiani Fleurier SA
Publication of EP2252918A1 publication Critical patent/EP2252918A1/en
Application granted granted Critical
Publication of EP2252918B1 publication Critical patent/EP2252918B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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 watch movement consists of a barrel (energy accumulator), gear trains (transmission members), an exhaust (energy dispensing member), and a balance-spiral (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 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 while the multiplication ratios between the barrel and the display discs are obtained thanks to a second gear train engaged with the radial toothing of training crowns.
  • 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.
  • FIG. 1 represents an exploded perspective view of the watch movement according to the present invention
  • FIG. 2 represents an exploded front view of the watch movement
  • FIG. 3 represents a front view of the assembled watch movement
  • FIG. 4 represents a detailed view of FIG. 3 showing part of a barrel differential
  • FIG. 5 represents a top view of the watch movement
  • FIG. 9 represents a front view of FIG. 8 including a partial section
  • FIG. 12 represents a perspective view from above of FIG. 11,
  • FIG. 13 is a plan view of the planetary gear system with a partial section
  • FIG. 14 represents a front view of FIG. 13 with a partial section
  • FIG. 17 is a perspective representation of a differential of minutes, hours or complication.
  • 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 balance-spiral (5, 6) of the movement.
  • the seconds cup (1) is arranged partially inside the minute cup (2) while the latter is itself arranged partially inside the hour cup ( 3).
  • the gear ratios between the barrel wheel (1 1), 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 secured to the upper end of the main shaft (7).
  • the spiral balance (5, 6) and the escapement, the latter being in engagement with said spiral balance (5, 6), are arranged inside the cup (1) and are therefore entirely visible on the dial side of a watch as shown in Figure 5.
  • This particular arrangement has the advantage of rotating the spiral balance (5, 6) and the exhaust on themselves thus obtaining the function of a central vortex, the seconds cup (1) can be likened to the tourbillon cage.
  • the exhaust pinion (13) is arranged to mesh with a gear ring (14) located under the second 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) graphite is arranged coaxially and integrally with the cup of seconds (1) by means of 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 illustrated by the schematic Figures 8, 9, 10, 1 1, 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 FIG. 11, provided with three axes (20) arranged perpendicularly to said disk (19) towards its periphery at 120.degree. to the others, three wheels called satellite minutes (21) freely arranged at each end of the axes (20), a ring (23) located on the inner circumference of the minute cup (2) near its base as 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 disks (24, 24 ') is slightly larger than the outer diameter of the middle disk (25) to create a circular groove (26) for the inner circumference of the annular disc made of graphite (19) comes clipping into this groove (26).
  • This groove (26) can be seen in 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 minute cup (2) has a shoulder (27) on its entire inner circumference below the ring (23), the shoulder (27) being intended to be housed in the groove (26) resulting from the assembly of the three annular discs (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 cup of minutes (2) can i be trained around its axis of rotation with a minimum of friction.
  • the diameter of the minute cup (2) is greater than that of the second cup (1) so that it can be arranged coaxially, and partially inside said cup of minutes (2).
  • this minute cup (2) has a circular rack (28) arranged to engage a second planetary gear system via a minute differential ( 29) as shown schematically in 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 a disk (30) similar to the disk (19) and forming an integral part of the second planetary gear system.
  • It comprises elements similar to the first planetary gear system, namely three so-called hour satellite wheels (31) freely arranged at each end of the axes (20 ') of the disk (30), a ring (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.
  • the indicators indicating seconds, minutes, hours (V, 2 ', 3') and, if appropriate, the date, are integrally mounted to the cup of seconds, minutes, hours (1, 2, 3) and where appropriate, days.
  • three holding shafts (34) are arranged on the plate (16) around the central barrel (15) of the 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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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Retarders (AREA)
  • Materials For Medical Uses (AREA)
  • Arrangement And Driving Of Transmission Devices (AREA)
  • Toys (AREA)

Abstract

Horological movement comprising an energy accumulator (4), wheel units (1, 2, 3) fitted with time indicator members (1, 2, 3), kinematic connection means creating the multiplication or demultiplication ratios between the different wheel units (1, 2, 3), and a regulator member (5, 6). The energy accumulator (4), the wheel units (1, 2, 3) and the regulator member (5, 6) are arranged coaxially. Each wheel unit (1, 2, 3) possesses a shape similar to a cup, each cup (1, 2, 3) having a different diameter to allow it to fit partially one inside the other. The horological movement also comprises a differential (8) arranged coaxially with the energy accumulator (4) to provide the kinematic connection between the energy accumulator (4) and one of the cups (1, 2, 3) through a main arbour (7) and a main pipe (15) which is fitted coaxially around the main arbour (7), said pipe (15) being designed to support both the other cup or cups (1, 2, 3) and said kinematic connection means. One of the cups (1, 2, 3) preferably corresponds to the second wheel unit in which the regulator member (5, 6) is located.

Description

MOUVEMENT HORLOGER COAXIAL COAXIAL WATCH MOVEMENT
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-spirale (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 à pour conséquence de limiter la réduction de la taille du mouvement.A simple watch movement consists of a barrel (energy accumulator), gear trains (transmission members), an exhaust (energy dispensing member), and a balance-spiral (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 EP0681227 divulgue une pièce d'horlogerie mécanique comportant un mobile des heures ainsi qu'un mobile des minutes, chaque mobile étant composé d'un disque transparent sur lequel est réalisé par dépôt métallique respectivement une aiguille des minutes et une aiguille des heures. Une particularité de cette pièce d'horlogerie est de comporter un tourbillon disposé en son centre et monté de manière coaxiale aux mobiles des heures, des minutes et au barillet.The document EP0681227 discloses a mechanical timepiece comprising a mobile hours as well as 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.
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 rouage alors que les rapports de multiplication entre le barillet et les disques d'affichage sont obtenus grâce à un second train de rouage 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 while the multiplication ratios between the barrel and the display discs 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 rautre 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 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. Preferably, one of the cups corresponds to the mobile seconds within which is arranged the regulating member.
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 :The characteristics of the invention will appear more clearly on reading a description of an embodiment given solely by way of example, in no way limiting with reference to the schematic figures, in which:
FEUILE RECTIFIEE (REGLE 91) ISA/EP - La Figure 1 représente une vue éclatée en perspective du mouvement horloger selon la présente invention,RECTIFIED FOIL (RULE 91) ISA / EP FIG. 1 represents an exploded perspective view of the watch movement according to the present invention,
- La Figure 2 représente une vue éclatée de face du mouvement horloger,FIG. 2 represents an exploded front view of the watch movement,
- La Figure 3 représente une vue de face du mouvement horloger assemblé,FIG. 3 represents a front view of the assembled watch movement,
- La Figure 4 représente une vue détaillée de la Figure 3 représentant une partie d'un différentiel de barillet,FIG. 4 represents a detailed view of FIG. 3 showing part of a barrel differential,
- La Figure 5 représente une vue de dessus du mouvement horloger,FIG. 5 represents a top view of the watch movement,
- La Figure 6 représente une vue partielle en coupe de la Figure 5 selon A-A,- Figure 6 shows a partial sectional view of Figure 5 according to A-A,
- La Figure 7 représente une vue partielle détaillée de la Figure 6,FIG. 7 represents a detailed partial view of FIG. 6,
- La Figure 8 une vue schématique de dessus d'un mobile des minutes, des heures ou de complication,- Figure 8 a schematic top view of a mobile minutes, hours or complications,
- La Figure 9 représente une vue de face de la Figure 8 comportant une coupe partielle,FIG. 9 represents a front view of FIG. 8 including a partial section,
- La Figure 10 représente une vue détaillée de la Figure 9,FIG. 10 represents a detailed view of FIG. 9,
- La Figure 1 1 représente une vue éclatée en perspective des satellites d'un système d'engrenage planétaire avec ses éléments de maintien,FIG. 11 represents an exploded perspective view of the satellites of a planetary gear system with its holding elements,
- La Figure 12 représente une vue en perspective de dessus de la Figure 1 1 ,FIG. 12 represents a perspective view from above of FIG. 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 la Figure 13 avec une coupe partielle,13 is a plan view of the planetary gear system with a partial section, FIG. 14 represents a front view of FIG. 13 with a partial section,
- La Figure 15 représente une vue de dessous de la Figure 13,FIG. 15 represents a view from below of FIG. 13,
- La Figure 16 est une représentation schématique en éclaté du différentiel de barillet,FIG. 16 is an exploded diagrammatic representation of the barrel differential,
- La Figure 17 est une représentation en perspective d'un différentiel des minutes, des heures ou de complication.- 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-spirale (5, 6) du mouvement. Selon les Figures 3 et 6, la coupelle des secondes (1 ) est agencée partiellement à l'intérieur de la coupelle des minutes (2) tandis que celle-ci est elle-même agencée partiellement à l'intérieur de la coupelle des heures (3).According to the main embodiment of the present invention, 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 balance-spiral (5, 6) of the movement. According to FIGS. 3 and 6, the seconds cup (1) is arranged partially inside the minute cup (2) while the latter is itself arranged partially inside the hour cup ( 3).
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 décrit 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) by means of 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 Figure 16, ce différentiel de barillet (8), soutenu par un support (8') (Figure 2), est constitué d'une partie centrale annulaire destiné à être ajusté sur un canon principal immobile (15) agencé coaxialement à l'arbre principal (7) et solidaire de la platine (16) du mouvement. Ce différentiel (8) est pourvu de trois tiges (9) agencées radialement sur la périphérie de la partie centrale à 120° les unes par rapport aux autres. Un pignon conique (10) comportant un premier et un second diamètre (10', 10") est ajusté librement sur chaque tige (9). Selon la Figure 4, la partie du pignon de diamètre inférieur (10') est en prise avec la roue de barillet (1 1 ) tandis que la partie du pignon de diamètre supérieur (10") est en prise avec un disque (12) pourvue d'une crémaillère circulaire (12'), ledit disque (12) étant solidaire de l'arbre principal (7) (Figure 6). Le nombre et la répartition des pignons (10) ont été déterminés de manière à uniformiser la répartition des contraintes mécaniques sur le pourtour de la crémaillère (12') du disque (12).As can be seen in FIG. 16, this barrel differential (8), supported by a support (8 ') (FIG. 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 secured to 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). According to Figure 4, the lower diameter pinion portion (10 ') is engaged with the barrel wheel (1 1) while the upper diameter pinion portion (10 ") is engaged with a disk (12). provided with a circular rack (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 mechanical stresses on the periphery of the rack (12 ') of the disc (12).
Les rapports d'engrenages entre la roue de barillet (1 1 ), 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 (1 1), 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 Figures 6 et 7, la coupelle des secondes (1 ) est située sur la partie supérieure du mouvement horloger et est solidaire de l'extrémité supérieure de l'arbre principal (7). Le balancier-spirale (5, 6) et l'échappement, celui-ci étant en prise avec ledit balancier-spirale (5, 6), sont agencés à l'intérieur de la coupelle (1 ) et sont donc entièrement visible côté cadran d'une montre telle qu'illustrée par la Figure 5. Cet agencement particulier a pour avantage de mettre en rotation le balancier-spirale (5, 6) et l'échappement sur eux-mêmes obtenant ainsi la fonction d'un tourbillon central, la coupelle des secondes (1 ) pouvant être assimilée à la cage du tourbillon.According to Figures 6 and 7, the seconds cup (1) is located on the upper part of the watch movement and is secured to the upper end of the main shaft (7). The spiral balance (5, 6) and the escapement, the latter being in engagement with said spiral balance (5, 6), are arranged inside the cup (1) and are therefore entirely visible on the dial side of a watch as shown in Figure 5. This particular arrangement has the advantage of rotating the spiral balance (5, 6) and the exhaust on themselves thus obtaining the function of a central vortex, the seconds cup (1) can be likened to the tourbillon cage.
Au vu de la Figure 6, le pignon d'échappement (13) est agencé pour engrener avec une couronne d'engrenage (14) située sous la coupelle des secondes (1 ). La base de cette couronne (14) est directement chassée sur le canon principal (15). La couronne d'engrenage (14) est donc immobile, le pignon d'échappement (13) étant susceptible d'effectuer une rotation de 360° par minute sur le pourtour de ladite couronne (14).In view of Figure 6, the exhaust pinion (13) is arranged to mesh with a gear ring (14) located under the second 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).
Comme on peut le voir à la Figure 6, un disque annulaire d'embrayage de mise à l'heure (17) en graphite est agencé coaxialement et solidairement à la coupelle des secondes (1 ) par l'intermédiaire de goupilles (18). Ce disque (17) effectue ainsi un tour complet autour du canon principal (15) toute les 60 secondes. Ce disque (17) joue la fonction d'embrayage avec un autre disque (19) également en graphite, celui-ci faisant partie d'un système d'engrenage planétaire qui sera décrit ultérieurement.As can be seen in Figure 6, an annular clutch disk hour setting (17) graphite is arranged coaxially and integrally with the cup of seconds (1) by means of 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.
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, 1 1 , 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 toute les heures.The watch movement comprises a first planetary gear system consisting of the elements as illustrated by the schematic Figures 8, 9, 10, 1 1, 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 Figures 1 1 , pourvu de trois axes (20) agencés perpendiculairement audit disque (19) vers sa périphérie à 120° les par rapport aux autres, de trois roues dites satellites des minutes (21 ) agencées librement à chaque extrémité des axes (20), d'une couronne (23) située sur la circonférence interne de la coupelle des minutes (2) proche de sa base telle qu'illustrée par les Figures 8, 9, et 10, ainsi que d'un pignon des minutes (22) chassé sur le canon principal (15) du mouvement (Figures 7 et 8).This planetary gear system is constituted by the annular disk (19) made of graphite, as illustrated by FIG. 11, provided with three axes (20) arranged perpendicularly to said disk (19) towards its periphery at 120.degree. to the others, three wheels called satellite minutes (21) freely arranged at each end of the axes (20), a ring (23) located on the inner circumference of the minute cup (2) near its base as 8, 9, and 10, as well as a minute gear (22) driven on the main gun (15) of the movement (Figures 7 and 8).
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 Figure 1 1 , le diamètre externe des disques supérieurs et inférieurs (24, 24') est légèrement supérieur au diamètre externe du disque du milieu (25) afin de créer une gorge circulaire (26) pour que la circonférence interne du disque annulaire en graphite (19) vienne se clipser dans cette gorge (26). On peut voir cette gorge (26) à la Figure 10 bien que cette figure représente schématiquement le maintien d'une des coupelles (1 , 2, 3) sur le canon principal (15) du mouvement par le même principe. Les surfaces de contact entre le disque en graphite (19) et la gorge (26) ont subi un traitement de surface afin de réduire au maximum le coefficient de frottement. Préférablement, les trois disques annulaires (24, 24' et 25) comportent un revêtement en téflon. Le disque en graphite (19) peut ainsi être entrainé autour de son axe de rotation avec un minimum de frottement.In addition, three 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). From Figure 11, the outer diameter of the upper and lower disks (24, 24 ') is slightly larger than the outer diameter of the middle disk (25) to create a circular groove (26) for the inner circumference of the annular disc made of graphite (19) comes clipping into this groove (26). This groove (26) can be seen in 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. Preferably, 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.
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) entraine en rotation orbitale autour du canon principal (15) les trois satellites (21 ), ces derniers entraînant 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 disk (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 (Figure 1 1 ) sont superposés et chassés coaxialement sur le canon principal (15) en dessous du pignon (22). Selon les Figures 9 et 10, la coupelle des minutes (2) comporte un épaulement (27) sur l'intégralité de sa circonférence interne en dessous de la couronne (23), cet épaulement (27) étant destiné à venir se loger dans la gorge (26) résultant de l'assemblage des trois disques annulaires (24', 24' et 25). La coupelle des minutes (2) est préférablement en céramique tandis que les disques annulaires (24', 24' et 25) comportent un revêtement en téflon afin de réduire au maximum le coefficient de frottement. La coupelle des minutes (2) peut ainsi être entrainée autour de son axe de rotation avec un minimum de frottement. Comme on peut le voir à la Figure 6, le diamètre de la coupelle des minutes (2) est supérieur à celui de la coupelle des secondes (1 ) afin que celle-ci puisse être agencée coaxialement, et partiellement à l'intérieur de ladite coupelle des minutes (2).So that 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 driving of the disc (19) about its axis of rotation (Figure 1 1) are superimposed and driven coaxially on the main barrel (15) below the pinion (22). According to Figures 9 and 10, the minute cup (2) has a shoulder (27) on its entire inner circumference below the ring (23), the shoulder (27) being intended to be housed in the groove (26) resulting from the assembly of the three annular discs (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 cup of minutes (2) can i be trained around its axis of rotation with a minimum of friction. As can be seen in Figure 6, the diameter of the minute cup (2) is greater than that of the second cup (1) so that it can be arranged coaxially, and partially inside said cup of minutes (2).
D'après les Figures 14 et 15, le dessous de cette coupelle des minutes (2) comporte une crémaillère circulaire (28) agencée pour être en prise avec un deuxième système d'engrenage planétaire par l'intermédiaire d'un différentiel des minutes (29) tel qu'illustré schématiquement par la Figure 17. Les trois pignons (10) de ce différentiel (29) sont agencés pour engrener de part et d'autre avec la crémaillère circulaire (28) de la coupelle des minutes (2) et une crémaillère circulaire (non illustrée) agencée sur le dessus d'un disque (30) similaire au disque (19) et faisant partie intégrante du deuxième système d'engrenage planétaire. Celui-ci comporte des éléments similaires au premier système d'engrenage planétaire, à savoir trois roues dites satellites des heures (31 ) agencées librement à chaque extrémité des axes (20') du disque (30), d'une couronnes (23') située sur la circonférence interne de la coupelle des heures (3) proche de sa base ainsi que d'un pignon (22') des heures chassé sur le canon principal (15) du mouvement.According to Figures 14 and 15, 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 shown schematically in 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 a disk (30) similar to the disk (19) and forming an integral part of the second planetary gear system. It comprises elements similar to the first planetary gear system, namely three so-called hour satellite wheels (31) freely arranged at each end of the axes (20 ') of the disk (30), a ring (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.
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 toute les 12 heures.By analogy with the first planetary gear system previously described, this second planetary gear system makes it possible to reduce 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) (Figure 6) et d'un système d'engrenage planétaire supplémentaires similaires à ceux décrits précédemment afin de pouvoir indiquer le quantième du mois. Dans ce cas de figure, le diamètre de la coupelle des heures (3) est inférieur au diamètre de la coupelle des jours pour pouvoir être agencée partiellement à l'intérieur de cette dernière.The watch movement may further include one or more complications. For example, 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 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. In this case, the diameter of the hours cup (3) is smaller than the diameter of the cupel days to be arranged partially inside the latter.
Les organes indicateurs des secondes, des minutes, des heures (V, 2', 3') et, cas échéant, du quantième, sont montés solidairement à la coupelle des secondes, des minutes, des heures (1 , 2, 3) et, cas échéant, des jours.The indicators indicating seconds, minutes, hours (V, 2 ', 3') and, if appropriate, the date, are integrally mounted to the cup of seconds, minutes, hours (1, 2, 3) and where appropriate, days.
Comme on peut le voir sur les Figures 1 , 2 et 6, trois arbres de maintien (34) sont disposés sur la platine (16) autour du canon central (15) du mouvement à 120° les uns des autres. Ces arbres (34) permettent de répartir les différentes forces mécaniques exercées par le mouvement et de renforcer la structure supportant les divers composants du mouvement.As can be seen in Figures 1, 2 and 6, three holding shafts (34) are arranged on the plate (16) around the central barrel (15) of the 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.
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).
II va de soit que l'invention 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 is not limited to the embodiment described above by way of example but embraces, on the contrary, all the 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

REVENDICATIONS
1. Mouvement horloger comportant un accumulateur d'énergie (4), des mobiles (1 , 2, 3) sur lesquels sont agencés des organes indicateur de l'heure (V, 2', 3'), des moyens de liaison cinématique assurant les rapports de multiplication ou démultiplication entre les différents mobiles (1 , 2, 3) et un organe régulateur (5, 6), l'accumulateur d'énergie (4), les mobiles (1 , 2, 3) et l'organe régulateur (5, 6) étant agencés coaxialement, caractérisé en ce que le mouvement horloger comporte en outre un différentiel (8) agencé coaxialement à l'accumulateur d'énergie afin d'assurer la liaison cinématique de l'accumulateur d'énergie (4) à l'un des mobiles (1 , 2, 3) par l'intermédiaire d'un arbre principal (7), et un canon principal (15) agencé de manière coaxiale autour de l'arbre principal (7), ledit canon (15) étant destiné à supporter l'autre ou les autres mobiles (1 , 2, 3) ainsi que lesdits moyens de liaison cinématique.1. Watch movement comprising an energy accumulator (4), mobiles (1, 2, 3) on which are arranged time indicating members (V, 2 ', 3'), kinematic connection means ensuring the ratios of multiplication or multiplication between the different mobiles (1, 2, 3) and a regulating organ (5, 6), the energy accumulator (4), the mobiles (1, 2, 3) and the organ controller (5, 6) being arranged coaxially, characterized in that the watch movement further comprises a differential (8) arranged coaxially with the energy accumulator to ensure the kinematic connection of the energy accumulator (4). ) to one of the mobiles (1, 2, 3) via a main shaft (7), and a main gun (15) arranged coaxially around the main shaft (7), said barrel (15) being adapted to support the other one or the other mobiles (1, 2, 3) as well as said kinematic connecting means.
2. Mouvement horloger selon la revendication 1 , caractérisé en ce que l'accumulateur d'énergie est un barillet (4) et que l'organe régulateur est constitué d'un balancier et d'un ressort spiral (5, 6).2. Watch movement according to claim 1, characterized in that the energy accumulator is a cylinder (4) and the regulating member consists of a rocker and a spiral spring (5, 6).
3. Mouvement horloger selon la revendication 2, caractérisé en ce qu'il comporte un mobile des secondes (1 ) solidaire de l'une des extrémités de l'arbre principal (7), l'autre extrémité étant en prise avec ledit différentiel (8) destiné à multiplier la course du barillet (4) pour entrainer le mobile des secondes (1 ) d'un tour par minute.3. watch movement according to claim 2, characterized in that it comprises a movable seconds (1) integral with one end of the main shaft (7), the other end being engaged with said differential ( 8) for multiplying the stroke of the barrel (4) to cause the mobile seconds (1) of a turn per minute.
4. Mouvement horloger selon la revendication 3, caractérisé en ce qu'un mobile des minutes (2) et un mobiles des heures (3) sont agencés autour du canon principal (15) et disposé respectivement sous le mobile des secondes (1 ) et sous le mobile des minutes (2). 4. Watch movement according to claim 3, characterized in that a mobile minutes (2) and a mobile hours (3) are arranged around the main barrel (15) and disposed respectively under the mobile seconds (1) and under the motive minutes (2).
5. Mouvement horloger selon la revendication 4, caractérisé en ce qu'un mobile des jours est agencé autour du canon principal (15) et disposé sous le mobiles des minutes (2).5. Watch movement according to claim 4, characterized in that a mobile days is arranged around the main barrel (15) and disposed under the mobile minutes (2).
6. Mouvement horloger selon l'une quelconque des revendications précédente, caractérisé en ce que des mobiles des secondes, des minutes, des heures et des jours (1 , 2, 3) s'apparentent à des coupelles respectives.6. Watch movement according to any one of the preceding claims, characterized in that mobile seconds, minutes, hours and days (1, 2, 3) are similar to respective cups.
7. Mouvement horloger selon la revendication 6, caractérisé en ce que le balancier-spirale (5, 6) est agencé à l'intérieur et au centre de la coupelle des secondes (1 ).7. Horological movement according to claim 6, characterized in that the spiral balance (5, 6) is arranged inside and in the center of the seconds cup (1).
8. Mouvement horloger selon la revendication 6 ou 7, caractérisé en ce que la coupelle des secondes (1 ), des minutes (2), et des heures (3), sont agencées partiellement à l'intérieur de la coupelle respectivement des minutes (2), des heures (3) et des jours.8. Watch movement according to claim 6 or 7, characterized in that the cup of seconds (1), minutes (2), and hours (3) are arranged partially inside the cup respectively minutes ( 2), hours (3) and days.
9. Mouvement horloger selon l'une quelconque des revendications 4 à 7, caractérisé en ce que des indicateurs des heures (3'), des minutes (2') et, des secondes (1 ') sont agencés solidairement et respectivement à la coupelle des heures (3), des minutes (2) et des secondes (1 ) sur leur périmètre externe respectif.9. Horological movement according to any one of claims 4 to 7, characterized in that hour indicators (3 '), minutes (2') and seconds (1 ') are arranged integrally and respectively to the cup hours (3), minutes (2) and seconds (1) on their respective external perimeter.
10. Montre-bracelet comportant le mouvement horloger selon l'une quelconque des revendications précédentes. 10. Wristwatch comprising the watch movement according to any one of the preceding claims.
EP08719642A 2008-03-11 2008-03-11 Coaxial horological movement Active EP2252918B1 (en)

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CN (1) CN102027422B (en)
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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

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ES2375014T3 (en) 2012-02-24
EP2252918B1 (en) 2011-10-05
CN102027422B (en) 2013-01-30
ATE527585T1 (en) 2011-10-15
US20110019505A1 (en) 2011-01-27
JP2011513760A (en) 2011-04-28
JP5410453B2 (en) 2014-02-05
CN102027422A (en) 2011-04-20
US8313234B2 (en) 2012-11-20
HK1147810A1 (en) 2011-08-19
WO2009112884A1 (en) 2009-09-17

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