EP2897000A1 - Reverser for timepiece - Google Patents

Reverser for timepiece Download PDF

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Publication number
EP2897000A1
EP2897000A1 EP14151337.4A EP14151337A EP2897000A1 EP 2897000 A1 EP2897000 A1 EP 2897000A1 EP 14151337 A EP14151337 A EP 14151337A EP 2897000 A1 EP2897000 A1 EP 2897000A1
Authority
EP
European Patent Office
Prior art keywords
satellite
input
toothing
carrier
inverter 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
EP14151337.4A
Other languages
German (de)
French (fr)
Other versions
EP2897000B1 (en
Inventor
Sylvain Cornibé
Michel Belot
Jérôme Kirchhof
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.)
Audemars Piguet Renaud et Papi SA
Original Assignee
Audemars Piguet Renaud et Papi 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 Audemars Piguet Renaud et Papi SA filed Critical Audemars Piguet Renaud et Papi SA
Priority to EP14151337.4A priority Critical patent/EP2897000B1/en
Priority to ES14151337.4T priority patent/ES2623896T3/en
Priority to US14/594,276 priority patent/US9158283B2/en
Priority to CN201510020937.XA priority patent/CN104777739B/en
Publication of EP2897000A1 publication Critical patent/EP2897000A1/en
Priority to HK15108412.6A priority patent/HK1207909A1/en
Application granted granted Critical
Publication of EP2897000B1 publication Critical patent/EP2897000B1/en
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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
    • G04B5/00—Automatic winding up
    • G04B5/02—Automatic winding up by self-winding caused by the movement of the watch
    • 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
    • G04B11/00—Click devices; Stop clicks; Clutches
    • G04B11/006—Clutch mechanism between two rotating members with transfer of movement in only one direction (free running devices)
    • 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
    • G04B5/00—Automatic winding up
    • G04B5/02—Automatic winding up by self-winding caused by the movement of the watch
    • G04B5/10—Automatic winding up by self-winding caused by the movement of the watch by oscillating weights the movement of which is not limited
    • G04B5/14—Automatic winding up by self-winding caused by the movement of the watch by oscillating weights the movement of which is not limited acting in both directions

Definitions

  • the present invention relates to an inverter for a timepiece, in particular for a self-winding watch.
  • each satellite is mounted on a lower wheel, the lower wheels serve as a carrier, they mesh with each other, always rotate in opposite directions and only one, that rotating in the direction of recharge of the barrel, is integral with the output wheel.
  • the inverter according to the invention also has the advantage of allowing coaxial disposition of most of its component parts.
  • first and second gear teeth of the inverter may be internal teeth.
  • first and second satellites may also preferably be coaxial.
  • the satellite carrier of the inverter is coaxial with the output mobile.
  • the satellite carrier of the inverter is coaxial with the first input mobile and / or the second mobile input.
  • the first and second satellites of the inverter may have separate pivot axes.
  • first and second satellites are provided to cooperate with their respective second transmission teeth to rotate in opposite directions.
  • the first and second input mobiles, the satellite carrier and the output mobile are all coaxial.
  • the carrier carries a plurality of pairs of first and second satellites.
  • the invention also relates to a self-winding watch comprising an inverter as defined above, this watch may further include a mechanism adapted to drive the rotating input moving in opposite directions.
  • inverter means a mechanism that makes it possible to transform the rotational movements in two directions of a moving body into a rotational movement in a single and invariable direction.
  • this inverter comprises a shaft 1 whose lower end has a lower toothing 2, so as to form an output mobile can be connected in a known manner, generally by a kinematic chain not shown, the barrel of a timepiece to be reset.
  • a carrier 3 generally taking the form of a hollow cylinder provided with a portion forming a disk so that the plane of this disk perpendicular to the longitudinal axis of the hollow cylinder.
  • the bottom of this cylinder is in abutment against the lower toothing 2 of the shaft 1.
  • the portion forming the disk is traversed longitudinally by a pin 4 on the upper part of which was chased a first satellite 5.
  • the pin 4 is free in rotation relative to the portion forming the disk of the planet carrier 3 and around an axis parallel to that of the hollow cylinder.
  • first input wheel 6 On the top of the hollow cylinder of the planet carrier 3, is mounted free in rotation and held axially by a locking ring 7, a first input wheel 6 whose lower face has a first internal toothing 8 which can be that of a ring fixed in a known manner (welding, brazing ). This internal toothing 8 is provided to cooperate with the first satellite 5.
  • a second input wheel 12 On the bottom of the hollow cylinder of the planet carrier 3, is mounted free and held by another locking ring 9 a second input wheel 12 having on its upper face a second internal toothing 10 which may be that of a fixed crown in a known manner (welding, brazing ).
  • a second satellite 11 is arranged free to rotate about the pin 4, it is sandwiched between, at the bottom, the second input wheel 12 and, at the top, the portion forming the disk of the planet carrier 3. This second satellite 11 is provided to cooperate with the second internal toothing 10.
  • the cooperation between the satellites 5 and 11 and, respectively, the internal teeth 8 and 10 is visible on the figure 4 .
  • the satellites 5 and 11 form pawls, that is to say that they have teeth whose asymmetric shape is provided to allow them to rotate only in one direction.
  • Such a form is well known to those skilled in the art and is represented, in particular, on Figures 3 and 4 of the aforementioned French patent (parts numbered 4, 5).
  • both an internal toothing and the teeth of a satellite have particular shapes cooperating with each other, to allow a rotation in one direction and a blockage in the other direction, as the sign Swiss Patent No. 321,237.
  • the unidirectional satellites 5 and 11 are inverted and are not identical, so that one input wheel can only rotate in one direction and the other wheel can only rotate in the opposite direction. More particularly, the shape of the teeth of the two satellites 5, 11 is reversed so as to ensure rotation in one direction and locking in the other direction.
  • Upstream of the inverter according to the invention is provided a cog which forces the input wheels 6 and 12 to rotate in the opposite direction.
  • the shaft 1 is intended to rotate only in the usual direction of clockwise, said clockwise.
  • the first input wheel 6 is driven in the counter-clockwise direction. It must therefore have no effect on the shaft 1.
  • it when it rotates, it drives the first internal transmission toothing 8, which is engaged with the first satellite 5.
  • This is arranged so appropriate so that the rotation of the internal toothing 8, and thus the toothed wheel 6, allows it to mesh with the internal toothing 8.
  • the rotation thereof will then cause the rotation of the satellite 5 and that of the pin 4 around of the longitudinal axis of the latter.
  • Satellite 5 is said to be running "in a vacuum".
  • the second input wheel 12 rotates in the opposite direction to that of the input wheel 6, that is to say in the only direction in which the shaft 1 can rotate.
  • the disposition or orientation of the satellite 11 is such that it can not mesh with the second internal transmission toothing 10 secured to the input wheel 12 and therefore it can not turn on itself and hangs. It is then driven by the second internal toothing 10 in rotation, not around the longitudinal axis of the pin 4, but around the longitudinal axis of the shaft 1. In this rotational movement, the satellite 11 then drives into position. rotation tenon 4 and thus the entire carrier planet 3 and the shaft 1 secured to the latter. Thus, everything happens as if the input wheel 12, the second internal toothing 10, the satellite 11, the pin 4, the planet carrier 3 and the shaft 1 formed a single piece.
  • FIG. 9 to 11 is represented a variant of the inverter according to the invention, wherein the input wheels 6 and 12 are fixed by means of sockets 19 and 20 integral with the shaft 1, the satellites, here in number of six, being free in rotation relative to the planet carrier and axially confined on one side by the planet carrier and on the other by an input wheel 6 or 12.
  • the operation of the inverter is the same as with the first embodiment, the assembler of the mechanism must simply ensure that the asymmetrical teeth of the satellites are oriented properly.
  • the satellites 5a and 11a are formed in one piece with a portion forming a peg passing through the portion forming the disk of the planet carrier.
  • the bottom (satellite 5a) or the top (satellite 11a) of the respective tenon is provided with a washer to hold the respective satellite 5a, 11a on the planet carrier 3.
  • the carrier carries, as can be seen on the Figures 5 and 6 , several first satellites and several second satellites and, preferably for equilibrium reasons, as many first satellites as second satellites.
  • increasing the number of satellites is useful in general to reduce the game when reversing the direction.
  • the adaptation of the number of satellites relative to the number of teeth makes it possible to decrease (or to increase) the lost path (ie the game) during the reversal of the direction according to the needs.
  • the Figures 16 to 21 represent variants of satellite fixation on a satellite carrier, with axial limitation of the movements of the satellite ( Figures 19 to 21 ) or without Figures 16 to 18 ; in this case, the axial displacements are limited on both sides by the planet carrier and an input wheel).

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Retarders (AREA)
  • Gear Transmission (AREA)
  • Gears, Cams (AREA)
  • Mechanical Operated Clutches (AREA)

Abstract

La présente demande se rapporte à un inverseur pour une pièce d'horlogerie comprenant un premier mobile d'entrée (6) comportant une première denture de réception (21) et solidaire d'une première denture de transmission (8), un second mobile d'entrée (12) comportant une seconde denture de réception (22) et solidaire d'une seconde denture de transmission (10), au moins un premier satellite (5, 5bis, 5ter) coopérant avec la première denture de transmission (8) de manière à pouvoir tourner dans un seul sens, au moins un second satellite (11,11 bis, 11ter) coopérant avec la seconde denture de transmission (10) de manière à pouvoir tourner dans un seul sens, ce satellite (11, 11bis, 11ter) étant libre en rotation par rapport au premier satellite (5,5bis,5ter), un porte-satellite (3) portant le second satellite (11, 11 bis, 11ter) et un mobile de sortie (1) solidaire du porte-satellite (3) dans lequel le premier satellite (5, 5bis, 5ter; 11, 11 bis, 11 ter) est porté par le porte-satellite (3). La présente invention se rapporte également à une montre à remontage automatique comprenant un tel inverseur.

Figure imgaf001
The present application relates to an inverter for a timepiece comprising a first input mobile (6) having a first reception toothing (21) and secured to a first transmission toothing (8), a second mobile to input (12) having a second receiving toothing (22) and secured to a second transmission toothing (10), at least a first satellite (5, 5a, 5b) cooperating with the first transmission gear (8) so that it can be rotated in one direction, at least one second satellite (11, 11a, 11b) co-operating with the second transmission toothing (10) so as to be rotatable in one direction, this satellite (11, 11a, 11b) ) being free in rotation with respect to the first satellite (5,5a, 5b), a planet carrier (3) carrying the second satellite (11, 11a, 11b) and an output mobile (1) integral with the planet carrier (3) wherein the first satellite (5, 5a, 5b; 11, 11a, 11b) is carried by the satellite carrier (3). The present invention also relates to a self-winding watch comprising such an inverter.
Figure imgaf001

Description

Domaine technique de l'inventionTechnical field of the invention

La présente invention concerne un inverseur pour pièce d'horlogerie, en particulier pour une montre à remontage automatique.The present invention relates to an inverter for a timepiece, in particular for a self-winding watch.

Arrière-plan de l'inventionBackground of the invention

Le brevet français n° 1 079 576 publié en 1954 a pour objet un dispositif de remontage automatique pour mécanisme d'horlogerie. Dans ce dispositif, une roue de remontage entraîne une roue de sortie, suivant son sens de rotation, de l'une ou l'autre des manières suivantes :

  • soit par l'intermédiaire d'un pignon qu'elle porte et qui joue le rôle d'un satellite en prise avec un autre pignon engrenant avec la roue de sortie,
  • soit en engrenant avec une autre roue portant également un pignon formant un autre satellite en prise avec un autre pignon engrenant avec la roue de sortie.
French Patent No. 1,079,576 published in 1954 relates to an automatic winding device for clockwork mechanism. In this device, a winding wheel drives an output wheel, according to its direction of rotation, in one of the following ways:
  • either by means of a pinion which it carries and which plays the role of a satellite in engagement with another pinion meshing with the exit wheel,
  • or by meshing with another wheel also bearing a pinion forming another satellite in engagement with another pinion meshing with the output wheel.

Le brevet allemand n° 952 879 publié en 1956 décrit un accouplement à roue libre pour montre à remontage automatique. Cet accouplement comprend deux roues d'entrée entraînées dans des sens opposés par une roue de remontage. Chacune de ces roues d'entrée est solidaire d'un pignon autour duquel peut se déplacer un satellite formant un cliquet qui est monté sur une roue inférieure. Les deux roues inférieures engrènent l'une avec l'autre et l'une d'entre elles est solidaire d'une roue de sortie. Ainsi, suivant le sens de rotation de la roue de remontage, la roue de sortie est entraînée :

  • soit par une première roue d'entrée, un premier pignon, un premier satellite et une première roue inférieure formant un premier porte-satellite, cette première roue inférieure étant en prise avec une seconde roue inférieure qui est solidaire de la roue de sortie ;
  • soit par une seconde roue d'entrée, un second pignon, un second satellite et la seconde roue inférieure, celle-ci portant le second porte-satellite et étant solidaire de la roue de sortie.
German Patent No. 952 879 published in 1956 describes a freewheel coupling for self-winding watches. This coupling comprises two input wheels driven in opposite directions by a winding wheel. Each of these input wheels is secured to a pinion around which can move a satellite forming a pawl which is mounted on a lower wheel. The two lower wheels mesh with each other and one of them is integral with an output wheel. Thus, according to the direction of rotation of the winding wheel, the output wheel is driven:
  • either by a first input wheel, a first gear, a first satellite and a first lower wheel forming a first carrier, this first lower wheel being engaged with a second lower wheel which is integral with the output wheel;
  • or by a second input wheel, a second gear, a second satellite and the second lower wheel, the latter carrying the second carrier and being integral with the output wheel.

En d'autres termes, dans ce brevet allemand, chaque satellite est monté sur une roue inférieure, les roues inférieures font office de porte-satellite, elles engrènent l'une avec l'autre, tournent toujours dans des sens opposés et une seule, celle tournant dans le sens de recharge du barillet, est solidaire de la roue de sortie.In other words, in this German patent, each satellite is mounted on a lower wheel, the lower wheels serve as a carrier, they mesh with each other, always rotate in opposite directions and only one, that rotating in the direction of recharge of the barrel, is integral with the output wheel.

Exposé sommaire de l'inventionSummary of the invention

Les mécanismes précités présentent notamment l'inconvénient d'occuper beaucoup de place et il semble que malgré les près de 60 ans qui se sont écoulés depuis leur publication, personne n'est parvenu jusqu'à ce jour à résoudre ce problème de place de manière satisfaisante.The aforementioned mechanisms have the particular disadvantage of occupying a lot of space and it seems that despite the almost 60 years that have elapsed since their publication, no one has so far managed to solve this problem of space so satisfactory.

Les inventeurs de la demanderesse sont maintenant parvenus à mettre au point un mécanisme d'inverseur de taille sensiblement réduite.The inventors of the Applicant have now succeeded in developing a substantially reduced inverter mechanism.

Ce mécanisme a ceci de particulier, par rapport à l'accouplement du brevet allemand précité DE 952 879 , qu'il ne comprend qu'un seul porte-satellite pour ses deux satellites.This mechanism has this particular, compared to the coupling of the aforementioned German patent DE 952 879 , that it understands only one carrier of satellite for its two satellites.

Plus précisément, l'inverseur selon l'invention comprend :

  • un premier mobile d'entrée comportant une première denture de réception et solidaire d'une première denture de transmission ;
  • un second mobile d'entrée comportant une seconde denture de réception et solidaire d'une seconde denture de transmission ;
  • au moins un premier satellite coopérant avec la première denture de transmission de manière à pouvoir tourner dans un seul sens ;
  • au moins un second satellite coopérant avec la seconde denture de transmission de manière à pouvoir tourner dans un seul sens, ce satellite étant libre en rotation par rapport au premier satellite ;
  • un porte-satellite portant le second satellite ;
  • un mobile de sortie solidaire du porte-satellite ;
et il se caractérise en ce que le premier satellite est également porté par l'unique porte-satellite.More specifically, the inverter according to the invention comprises:
  • a first input mobile comprising a first reception toothing and secured to a first transmission toothing;
  • a second input mobile comprising a second receiving toothing and secured to a second transmission toothing;
  • at least one first satellite cooperating with the first transmission gear so as to be rotatable in one direction;
  • at least one second satellite cooperating with the second transmission gear so as to be rotatable in one direction, this satellite being free in rotation with respect to the first satellite;
  • a satellite carrier carrying the second satellite;
  • an output mobile integral with the satellite carrier;
and it is characterized in that the first satellite is also carried by the single satellite carrier.

L'inverseur selon l'invention a en outre l'avantage de permettre de disposer de manière coaxiale la plupart de ses pièces constitutives.The inverter according to the invention also has the advantage of allowing coaxial disposition of most of its component parts.

Des caractéristiques avantageuses de l'inverseur selon l'invention sont indiquées aux points suivants :

  • De manière notable, les premier et second mobiles d'entrée de l'inverseur sont coaxiaux.
Advantageous features of the inverter according to the invention are indicated in the following points:
  • Notably, the first and second input mobiles of the inverter are coaxial.

De même, les première et seconde dentures de transmission de l'inverseur peuvent être des dentures internes. Dans ce cas, les premier et second satellites peuvent de manière préférée également être coaxiaux.Similarly, the first and second gear teeth of the inverter may be internal teeth. In this case, the first and second satellites may also preferably be coaxial.

Selon un autre mode de réalisation de la présente invention, le porte-satellite de l'inverseur est coaxial avec le mobile de sortie.According to another embodiment of the present invention, the satellite carrier of the inverter is coaxial with the output mobile.

De manière notable, le porte-satellite de l'inverseur est coaxial avec le premier mobile d'entrée et/ou le second mobile d'entrée.Notably, the satellite carrier of the inverter is coaxial with the first input mobile and / or the second mobile input.

Selon un autre mode de réalisation de la présente invention, les premier et second satellites de l'inverseur peuvent avoir des axes de pivotement distincts.According to another embodiment of the present invention, the first and second satellites of the inverter may have separate pivot axes.

De manière notable, les premier et second satellites sont prévus pour coopérer avec leur seconde denture de transmission respective de manière à tourner dans des sens opposés.Notably, the first and second satellites are provided to cooperate with their respective second transmission teeth to rotate in opposite directions.

Aussi de manière notable, les premier et second mobiles d'entrée, le porte-satellite et le mobile de sortie sont tous coaxiaux.Also noticeably, the first and second input mobiles, the satellite carrier and the output mobile are all coaxial.

Selon un encore autre mode de réalisation de la présente invention, le porte-satellite porte plusieurs couples de premier et second satellites.According to yet another embodiment of the present invention, the carrier carries a plurality of pairs of first and second satellites.

L'invention concerne également une montre à remontage automatique comprenant un inverseur tel que défini précédemment, cette montre pouvant en outre comporter un mécanisme apte à entraîner les mobiles d'entrée en rotation dans des sens opposés.The invention also relates to a self-winding watch comprising an inverter as defined above, this watch may further include a mechanism adapted to drive the rotating input moving in opposite directions.

Brève description des dessinsBrief description of the drawings

D'autres caractéristiques et avantages de l'invention vont maintenant être décrits en détail dans l'exposé suivant qui est donné en référence aux figures annexées, lesquelles représentent schématiquement :

  • figure 1 : un schéma avec le principe de fonctionnement du mécanisme qui, dans le cadre de la présente invention, est nommé un « inverseur » ;
  • figure 2 : un inverseur selon un premier mode de réalisation de l'invention en vue de dessus en perspective et en coupe ;
  • figure 3 : l'inverseur de la figure 2, en vue de face en coupe ;
  • figure 4 : un détail en transparence de la figure 2 ;
  • figures 5 et 6 : des illustrations du fonctionnement de l'inverseur selon les figures 2 à 4 ;
  • figure 7 : un inverseur selon un second mode de réalisation de l'inverseur selon l'invention en vue de face et en coupe ;
  • figure 8 : une variante de l'inverseur de la figure 7, en vue de face et en coupe ;
  • figures 9 à 11 : une variante de l'inverseur selon le premier mode de réalisation de l'invention, en vue de dessus, vue de face en coupe et vue de face en coupe et en perspective ;
  • figures 12 et 13 : une illustration des sens de rotation des pièces de l'inverseur selon le premier mode de réalisation de l'invention ;
  • figures 14 et 15 : des schémas montrant le blocage ou non de l'entraînement satellite - roue d'entrée ; et
  • figures 16 à 21 : divers modes de fixation d'un satellite sur un porte-satellite.
Other features and advantages of the invention will now be described in detail in the following description which is given with reference to the appended figures, which schematically represent:
  • figure 1 : a diagram with the operating principle of the mechanism which, in the context of the present invention, is called an "inverter";
  • figure 2 an inverter according to a first embodiment of the invention in top view in perspective and in section;
  • figure 3 : the inverter of the figure 2 , in sectional front view;
  • figure 4 : a detail in transparency of the figure 2 ;
  • Figures 5 and 6 : illustrations of the operation of the inverter according to the Figures 2 to 4 ;
  • figure 7 an inverter according to a second embodiment of the inverter according to the invention in front view and in section;
  • figure 8 : a variant of the inverter of the figure 7 , in front view and in section;
  • Figures 9 to 11 : a variant of the inverter according to the first embodiment of the invention, in top view, front view in section and front view in section and in perspective;
  • Figures 12 and 13 an illustration of the directions of rotation of the parts of the inverter according to the first embodiment of the invention;
  • Figures 14 and 15 : diagrams showing the blocking or not of the satellite drive - input wheel; and
  • Figures 16 to 21 : various modes of fixing a satellite on a carrier.

Exposé détaillé de l'inventionDetailed exposition of the invention

Dans le présent exposé, on entend par « inverseur » un mécanisme qui permet de transformer les mouvements de rotation dans deux sens d'un mobile en un mouvement de rotation dans un sens unique et invariable.In the present description, the term "inverter" means a mechanism that makes it possible to transform the rotational movements in two directions of a moving body into a rotational movement in a single and invariable direction.

Le principe de fonctionnement d'un tel mécanisme est illustré par la figure 1.The operating principle of such a mechanism is illustrated by the figure 1 .

Sur les figures 2 et 3 est représenté un premier mode de réalisation de l'inverseur selon la présente invention. Comme on peut le voir, cet inverseur comprend un arbre 1 dont une extrémité inférieure présente une denture inférieure 2, afin de constituer un mobile de sortie pouvant être relié de façon connue, en général par une chaîne cinématique non représentée, au barillet d'une pièce d'horlogerie à réarmer.On the figures 2 and 3 is shown a first embodiment of the inverter according to the present invention. As can be seen, this inverter comprises a shaft 1 whose lower end has a lower toothing 2, so as to form an output mobile can be connected in a known manner, generally by a kinematic chain not shown, the barrel of a timepiece to be reset.

Sur l'arbre 1, au-dessus de son extrémité inférieure a été chassé par le haut un porte-satellite 3 revêtant globalement la forme d'un cylindre creux muni d'une partie formant un disque de telle sorte que le plan de ce disque soit perpendiculaire à l'axe longitudinal du cylindre creux. Le bas de ce cylindre est en butée contre la denture inférieure 2 de l'arbre 1. La partie formant le disque est traversée longitudinalement par un tenon 4 sur la partie supérieure duquel a été chassé un premier satellite 5. Le tenon 4 est libre en rotation par rapport à la partie formant le disque du porte-satellite 3 et autour d'un axe parallèle à celui du cylindre creux.On the shaft 1, above its lower end was chased from above a carrier 3 generally taking the form of a hollow cylinder provided with a portion forming a disk so that the plane of this disk perpendicular to the longitudinal axis of the hollow cylinder. The bottom of this cylinder is in abutment against the lower toothing 2 of the shaft 1. The portion forming the disk is traversed longitudinally by a pin 4 on the upper part of which was chased a first satellite 5. The pin 4 is free in rotation relative to the portion forming the disk of the planet carrier 3 and around an axis parallel to that of the hollow cylinder.

Sur le haut du cylindre creux du porte-satellite 3, est montée libre en rotation et maintenue axialement par un anneau de blocage 7, une première roue d'entrée 6 dont la face inférieure comporte une première denture interne 8 qui peut être celle d'une couronne fixée de façon connue (soudure, brasage...). Cette denture interne 8 est prévue pour coopérer avec le premier satellite 5.On the top of the hollow cylinder of the planet carrier 3, is mounted free in rotation and held axially by a locking ring 7, a first input wheel 6 whose lower face has a first internal toothing 8 which can be that of a ring fixed in a known manner (welding, brazing ...). This internal toothing 8 is provided to cooperate with the first satellite 5.

Sur le bas du cylindre creux du porte-satellite 3, est montée libre et retenue par un autre anneau de blocage 9 une deuxième roue d'entrée 12 comportant sur sa face supérieure une seconde denture interne 10 qui peut être celle d'une couronne fixée de façon connue (soudure, brasage...).On the bottom of the hollow cylinder of the planet carrier 3, is mounted free and held by another locking ring 9 a second input wheel 12 having on its upper face a second internal toothing 10 which may be that of a fixed crown in a known manner (welding, brazing ...).

Un second satellite 11 est disposé libre en rotation autour du tenon 4, il est pris en sandwich entre, en bas, la deuxième roue d'entrée 12 et, en haut, la partie formant le disque du porte-satellite 3. Ce second satellite 11 est prévu pour coopérer avec la seconde denture interne 10.A second satellite 11 is arranged free to rotate about the pin 4, it is sandwiched between, at the bottom, the second input wheel 12 and, at the top, the portion forming the disk of the planet carrier 3. This second satellite 11 is provided to cooperate with the second internal toothing 10.

La coopération entre les satellites 5 et 11 et, respectivement, les dentures internes 8 et 10 est visible sur la figure 4. Les satellites 5 et 11 forment des cliquets, c'est-à-dire qu'ils ont des dents dont la forme asymétrique est prévue pour leur permettre de ne tourner que dans un seul sens. Une telle forme est bien connue de l'homme du métier et est représentée, notamment, sur les figures 3 et 4 du brevet français précité (pièces numérotées 4, 5). En variante, il est possible de prévoir que ce soient les dents des dentures internes 8 et 10 qui forment des cliquets, comme les dents des roues 30 et 40 de la figure 1 du brevet allemand précité.The cooperation between the satellites 5 and 11 and, respectively, the internal teeth 8 and 10 is visible on the figure 4 . The satellites 5 and 11 form pawls, that is to say that they have teeth whose asymmetric shape is provided to allow them to rotate only in one direction. Such a form is well known to those skilled in the art and is represented, in particular, on Figures 3 and 4 of the aforementioned French patent (parts numbered 4, 5). Alternatively, it is possible to provide that it is the teeth of the internal teeth 8 and 10 which form ratchets, such as the teeth of the wheels 30 and 40 of the figure 1 of the aforementioned German patent.

On peut aussi envisager qu'à la fois une denture intérieure et les dents d'un satellite présentent des formes particulières coopérant les unes avec les autres, pour permettre une rotation dans un sens et un blocage dans l'autre sens, comme l'enseigne le brevet suisse n° 321 237.It can also be envisaged that both an internal toothing and the teeth of a satellite have particular shapes cooperating with each other, to allow a rotation in one direction and a blockage in the other direction, as the sign Swiss Patent No. 321,237.

Ainsi, pour un sens de rotation donné de la denture interne 8, l'engrènement et donc l'entraînement en rotation du satellite 5 est possible, alors que dans l'autre sens, ce satellite se bloque.Thus, for a given direction of rotation of the internal toothing 8, the meshing and thus the rotation of the satellite 5 is possible, while in the other direction, the satellite is blocked.

De même, pour un sens de rotation donné de la denture interne 10, l'engrènement et donc l'entraînement en rotation du satellite 11 est possible, alors que dans l'autre sens, ce satellite se bloque.Similarly, for a given direction of rotation of the internal toothing 10, meshing and thus the rotation of the satellite 11 is possible, while in the other direction, this satellite is blocked.

Les satellites unidirectionnels 5 et 11 sont disposés de manière inversée et ils ne sont pas identiques, de façon à ce qu'une roue d'entrée ne puisse tourner que dans un sens et que l'autre ne puisse tourner que dans le sens opposé. Plus particulièrement, la forme des dents des deux satellites 5, 11 est inversée de manière à garantir la rotation dans un sens et le blocage dans l'autre sens.The unidirectional satellites 5 and 11 are inverted and are not identical, so that one input wheel can only rotate in one direction and the other wheel can only rotate in the opposite direction. More particularly, the shape of the teeth of the two satellites 5, 11 is reversed so as to ensure rotation in one direction and locking in the other direction.

FonctionnementOperation

Le fonctionnement de l'inverseur selon l'invention est illustré sur les figures 5 et 6.The operation of the inverter according to the invention is illustrated on the Figures 5 and 6 .

En amont de l'inverseur selon l'invention est prévu un rouage qui force les roues d'entrée 6 et 12 à tourner en sens inverse.Upstream of the inverter according to the invention is provided a cog which forces the input wheels 6 and 12 to rotate in the opposite direction.

Sur la figure 5, l'arbre 1 est prévu pour tourner uniquement dans le sens habituel des aiguilles d'une montre, dit sens horaire. La première roue d'entrée 6 est entraînée dans le sens anti-horaire. Elle ne doit donc pas avoir d'effet sur l'arbre 1. Pour cela, lorsqu'elle tourne, elle entraîne la première denture interne de transmission 8, laquelle est en prise avec le premier satellite 5. Celui-ci est disposé de manière appropriée pour que la rotation de la denture interne 8, et donc de la roue dentée 6, lui permette d'engrener avec la denture interne 8. La rotation de celle-ci va alors entraîner la rotation du satellite 5 et celle du tenon 4 autour de l'axe longitudinal de ce dernier. Une telle rotation s'effectue indépendamment du porte-satellite 3 et n'a aucun effet sur lui. On dit que le satellite 5 tourne « dans le vide ».On the figure 5 , the shaft 1 is intended to rotate only in the usual direction of clockwise, said clockwise. The first input wheel 6 is driven in the counter-clockwise direction. It must therefore have no effect on the shaft 1. For this, when it rotates, it drives the first internal transmission toothing 8, which is engaged with the first satellite 5. This is arranged so appropriate so that the rotation of the internal toothing 8, and thus the toothed wheel 6, allows it to mesh with the internal toothing 8. The rotation thereof will then cause the rotation of the satellite 5 and that of the pin 4 around of the longitudinal axis of the latter. Such rotation is performed independently of the planet carrier 3 and has no effect on it. Satellite 5 is said to be running "in a vacuum".

Dans le même temps, la seconde roue d'entrée 12 tourne dans le sens opposé à celui de la roue d'entrée 6, c'est-à-dire dans l'unique sens dans lequel l'arbre 1 peut tourner. La disposition ou orientation du satellite 11 est telle qu'il ne peut engrener avec la seconde denture interne de transmission 10 solidaire de la roue d'entrée 12 et par conséquent, il ne peut tourner sur lui-même et se bloque. Il est alors entraîné par la seconde denture interne 10 en rotation, non pas autour de l'axe longitudinal du tenon 4, mais autour de l'axe longitudinal de l'arbre 1. Dans ce mouvement de rotation, le satellite 11 entraîne alors en rotation le tenon 4 et donc l'ensemble du porte-satellite 3 ainsi que l'arbre 1 solidaire de ce dernier. Ainsi, tout se passe comme si la roue d'entrée 12, la seconde denture interne 10, le satellite 11, le tenon 4, le porte-satellite 3 et l'arbre 1 ne formaient qu'une seule pièce.At the same time, the second input wheel 12 rotates in the opposite direction to that of the input wheel 6, that is to say in the only direction in which the shaft 1 can rotate. The disposition or orientation of the satellite 11 is such that it can not mesh with the second internal transmission toothing 10 secured to the input wheel 12 and therefore it can not turn on itself and hangs. It is then driven by the second internal toothing 10 in rotation, not around the longitudinal axis of the pin 4, but around the longitudinal axis of the shaft 1. In this rotational movement, the satellite 11 then drives into position. rotation tenon 4 and thus the entire carrier planet 3 and the shaft 1 secured to the latter. Thus, everything happens as if the input wheel 12, the second internal toothing 10, the satellite 11, the pin 4, the planet carrier 3 and the shaft 1 formed a single piece.

Sur la figure 6 est illustrée la situation inverse. Cette fois-ci, c'est la roue d'entrée 6 qui tourne dans le sens dans lequel l'arbre 1 doit tourner. Le satellite 5 ne peut pas engrener avec la première denture interne de transmission 8. Il se produit donc un blocage empêchant le satellite 5 de tourner sur lui-même. La rotation de la roue d'entrée 6 entraîne alors la rotation, autour de l'axe longitudinal de l'arbre 1, du satellite 5, du tenon 4, du porte-satellite 3 et de l'arbre 1. Dans ce cas, c'est comme si la roue d'entrée 6, la première denture interne 8, le satellite 5, le tenon 4, le porte-satellite 3 et l'arbre 1 ne formaient qu'une seule pièce.On the figure 6 is illustrated the opposite situation. This time, it is the input wheel 6 which rotates in the direction in which the shaft 1 must rotate. The satellite 5 can not mesh with the first internal toothing transmission 8. There is therefore a blocking preventing the satellite 5 to turn on itself. The rotation of the input wheel 6 then causes rotation, around the longitudinal axis of the shaft 1, the satellite 5, the pin 4, the planet carrier 3 and the shaft 1. In this case, it is as if the input wheel 6, the first internal toothing 8, the satellite 5, the pin 4, the planet carrier 3 and the shaft 1 formed a single piece.

Ainsi, quels que soient les sens de rotation des roues d'entrée 6 et 12, l'arbre 1 est toujours entraîné en rotation dans le même sens.Thus, whatever the direction of rotation of the input wheels 6 and 12, the shaft 1 is always rotated in the same direction.

Sur les figures 9 à 11 est représentée une variante de l'inverseur selon l'invention, dans laquelle les roues d'entrée 6 et 12 sont fixées par l'intermédiaire de douilles 19 et 20 solidaires de l'arbre 1, les satellites, ici au nombre de six, étant libres en rotation par rapport au porte-satellite et confinés axialement d'un côté par le porte-satellite et de l'autre par une roue d'entrée 6 ou 12.On the Figures 9 to 11 is represented a variant of the inverter according to the invention, wherein the input wheels 6 and 12 are fixed by means of sockets 19 and 20 integral with the shaft 1, the satellites, here in number of six, being free in rotation relative to the planet carrier and axially confined on one side by the planet carrier and on the other by an input wheel 6 or 12.

Un deuxième mode de réalisation de la présente invention est représenté sur les figures 7 et 8. Ses différences par rapport au premier mode de réalisation sont les suivantes :

  • les première et seconde dentures de transmission ne sont plus des dentures internes mais des dentures externes 13 et 14, par exemple, prévues sur des pignons solidaires des première et seconde roues d'entrée 6 et 12 ; et
  • les premier et second satellites 5bis, 11 bis ne sont plus coaxiaux : ils sont décalés angulairement, de préférence diamétralement opposés sur la partie formant un disque du porte-satellite 3.
A second embodiment of the present invention is shown on the Figures 7 and 8 . Its differences with respect to the first embodiment are the following:
  • the first and second transmission teeth are no longer internal teeth but external teeth 13 and 14, for example, provided on integral pinions of the first and second input wheels 6 and 12; and
  • the first and second satellites 5a, 11a are no longer coaxial: they are angularly offset, preferably diametrically opposite, on the disk portion of the planet carrier 3.

Ces différences mises à part, le fonctionnement de l'inverseur est le même qu'avec le premier mode de réalisation, l'assembleur du mécanisme doit simplement s'assurer que les dents asymétriques des satellites soient orientées convenablement.These differences aside, the operation of the inverter is the same as with the first embodiment, the assembler of the mechanism must simply ensure that the asymmetrical teeth of the satellites are oriented properly.

Sur la figure 7, on voit que les satellites 5bis et 11 bis sont formés d'une seule pièce avec une partie formant un tenon traversant la partie formant le disque du porte-satellite. Le bas (satellite 5bis) ou le haut (satellite 11 bis) du tenon respectif est muni d'une rondelle pour maintenir le satellite respectif 5bis, 11 bis sur le porte-satellite 3.On the figure 7 it can be seen that the satellites 5a and 11a are formed in one piece with a portion forming a peg passing through the portion forming the disk of the planet carrier. The bottom (satellite 5a) or the top (satellite 11a) of the respective tenon is provided with a washer to hold the respective satellite 5a, 11a on the planet carrier 3.

Sur la figure 8, on voit que les satellites 5ter, 11ter sont montés en pivotant autour d'ergots 15, 16 chassés dans des trous prévus dans la partie formant le disque du porte-satellite 3.On the figure 8 , it can be seen that the satellites 5ter, 11ter are mounted by pivoting about pins 15, 16 driven into holes provided in the part forming the disk of the planet carrier 3.

Sur les figures 14 et 15, on peut voir que lorsque les dentures externes 13,14 tournent dans un premier sens S1, il se produit un blocage des satellites 11 bis, 11 ter tandis que lorsque les dentures externes 13,14 tournent dans un deuxième sens S2, elles entraînent en rotation les satellites 11 bis, 11 ter.On the Figures 14 and 15 it can be seen that when the external teeth 13, 14 rotate in a first direction S1, there is a blocking of the satellites 11 bis, 11 ter while when the external teeth 13, 14 rotate in a second direction S 2, they cause rotation the satellites 11 bis, 11 ter.

En général et quel que soit le mode de réalisation, le porte-satellite porte, comme on peut le voir sur les figures 5 et 6, plusieurs premiers satellites et plusieurs seconds satellites et, de préférence pour des raisons d'équilibre, autant de premiers satellites que de seconds satellites. A cet endroit, il est important de remarquer que le fait d'augmenter le nombre de satellites est utile de manière générale pour réduire le jeu lors de l'inversion du sens. Par ce fait, l'adaptation du nombre de satellites par rapport au nombre de dents permet de diminuer (ou bien d'augmenter) le chemin perdu (c'est-à-dire le jeu) lors de l'inversion du sens selon les besoins.In general and whatever the embodiment, the carrier carries, as can be seen on the Figures 5 and 6 , several first satellites and several second satellites and, preferably for equilibrium reasons, as many first satellites as second satellites. At this point, it is important to note that increasing the number of satellites is useful in general to reduce the game when reversing the direction. As a result, the adaptation of the number of satellites relative to the number of teeth makes it possible to decrease (or to increase) the lost path (ie the game) during the reversal of the direction according to the needs.

En amont de l'inverseurUpstream of the inverter

Comme indiqué précédemment, il est prévu un mécanisme pour entraîner les roues d'entrée 6 et 12 en rotation dans des sens opposés.As indicated above, there is provided a mechanism for driving the input wheels 6 and 12 in rotation in opposite directions.

Pour cela, l'homme du métier peut envisager tout mécanisme approprié, en particulier un rouage tel que celui représenté sur les figures 12 et 13.For this, the person skilled in the art can consider any suitable mechanism, in particular a gear train such as that shown on the Figures 12 and 13 .

Un pignon de remontage 17 entraîné en rotation par la masse de remontage automatique (non représentée) engrène avec la première roue d'entrée 6. En même temps, ce pignon 17 engrène avec un pignon de renvoi 18, lui-même engrenant avec la seconde roue d'entrée 12. La denture de l'arbre 1 engrène avec une roue de sortie 21 tournant ainsi toujours dans le même sens.A winding pinion 17 driven in rotation by the automatic winding mass (not shown) meshes with the first input wheel 6. At the same time, this pinion 17 meshes with a pinion gear 18, itself meshing with the second input wheel 12. The toothing of the shaft 1 meshes with an output wheel 21 thus always rotating in the same direction.

Autres variantesOther variants

Les figures 16 à 21 représentent des variantes de fixation des satellites sur un porte-satellite, avec limitation axiale des déplacements du satellite (figures 19 à 21) ou sans (figures 16 à 18 ; dans ce cas, les déplacements axiaux, sont limités de part et d'autre par le porte-satellite et une roue d'entrée).The Figures 16 to 21 represent variants of satellite fixation on a satellite carrier, with axial limitation of the movements of the satellite ( Figures 19 to 21 ) or without Figures 16 to 18 ; in this case, the axial displacements are limited on both sides by the planet carrier and an input wheel).

Claims (12)

Inverseur comprenant : - un premier mobile d'entrée (6) comportant une première denture de réception (21) et solidaire d'une première denture de transmission (8) ; - un second mobile d'entrée (12) comportant une seconde denture de réception (22) et solidaire d'une seconde denture de transmission (10) ; - au moins un premier satellite (5, 5bis, 5ter) coopérant avec la première denture de transmission (8) de manière à pouvoir tourner dans un seul sens ; - au moins un second satellite (11,11 bis,11ter) coopérant avec la seconde denture de transmission (10) de manière à pouvoir tourner dans un seul sens, ce satellite (11, 11 bis, 11 ter) étant libre en rotation par rapport au premier satellite (5,5bis,5ter) ; - un porte-satellite (3) portant le second satellite (11, 11 bis, 11 ter) ; - un mobile de sortie (1) solidaire du porte-satellite (3) ; caractérisé en ce que le premier satellite (5, 5bis, 5ter; 11, 11 bis, 11ter) est porté par le porte-satellite (3).Inverter comprising: - a first input mobile (6) having a first receiving toothing (21) and secured to a first transmission toothing (8); - a second input mobile (12) having a second receiving toothing (22) and secured to a second transmission toothing (10); at least one first satellite (5, 5a, 5b) cooperating with the first transmission toothing (8) so as to be able to turn in one direction; at least one second satellite (11, 11a, 11b) cooperating with the second transmission toothing (10) so as to be able to rotate in one direction, this satellite (11, 11a, 11b) being free to rotate by compared to the first satellite (5,5a, 5b); a satellite carrier (3) carrying the second satellite (11, 11 bis, 11 ter); - An output mobile (1) integral with the planet carrier (3); characterized in that the first satellite (5, 5a, 5b; 11, 11a, 11b) is carried by the planet carrier (3). Inverseur selon la revendication 1, dans lequel les premier et second mobiles d'entrée (6, 12) sont coaxiaux.The inverter according to claim 1, wherein the first and second input mobiles (6, 12) are coaxial. Inverseur selon la revendication 1 ou 2, dans lequel les première et seconde dentures de transmission (8, 10) sont des dentures internes.Inverter according to claim 1 or 2, wherein the first and second transmission teeth (8, 10) are internal teeth. Inverseur selon la revendication 3, dans lequel les premier et second satellites (5, 11) sont coaxiaux.Inverter according to claim 3, wherein the first and second satellites (5, 11) are coaxial. Inverseur selon l'une des revendications 1 à 4, dans lequel le porte-satellite (3) est coaxial avec le mobile de sortie (1).Inverter according to one of claims 1 to 4, wherein the carrier (3) is coaxial with the output mobile (1). Inverseur selon l'une des revendications 1 à 5, dans lequel le porte-satellite (3) est coaxial avec le premier mobile d'entrée (6) et/ou le second mobile d'entrée (12).Inverter according to one of claims 1 to 5, wherein the carrier (3) is coaxial with the first input mobile (6) and / or the second input mobile (12). Inverseur selon l'une des revendications 1 à 3 ou 5 et 6, lorsque celles-ci ne se rattachent pas à la revendication 4, dans lequel les premier et second satellites (5bis, 5ter; 11bis ,11ter) ont des axes de pivotement distincts.Inverter according to one of claims 1 to 3 or 5 and 6, when these do not relate to claim 4, wherein the first and second satellites (5a, 5b; 11a, 11b) have separate pivot axes . Inverseur selon l'une des revendications 1 à 7, dans lequel les premier (5, 5bis, 5ter) et second satellites (11, 11 bis, 11 ter) sont prévus pour coopérer avec leur seconde denture de transmission respective (8, 10) de manière à tourner dans des sens opposés.Inverter according to one of Claims 1 to 7, in which the first (5, 5a, 5b) and second satellites (11, 11a, 11b) are designed to cooperate with their respective second transmission teeth (8, 10). so as to turn in opposite directions. Inverseur selon la revendication 1, dans lequel les premier et second mobiles d'entrée (6, 12), le porte-satellite (3) et le mobile de sortie (1) sont tous coaxiaux.Inverter according to Claim 1, in which the first and second input mobiles (6, 12), the satellite carrier (3) and the output mobile (1) are all coaxial. Inverseur selon l'une des revendications 1 à 9, dans lequel le porte-satellite (3) porte plusieurs couples de premier (5, 5bis, 5ter) et second (11, 11 bis, 11 ter) satellites.Inverter according to one of claims 1 to 9, wherein the carrier (3) carries several pairs of first (5, 5a, 5b) and second (11, 11a, 11b) satellites. Montre à remontage automatique comprenant un inverseur selon l'une des revendications 1 à 10.Self-winding watch comprising an inverter according to one of claims 1 to 10. Montre selon la revendication 11, comprenant en outre un mécanisme (18, 19, 20) apte à entraîner les mobiles d'entrée (6, 12) en rotation dans des sens opposés.Watch according to claim 11, further comprising a mechanism (18, 19, 20) adapted to drive the input mobiles (6, 12) in rotation in opposite directions.
EP14151337.4A 2014-01-15 2014-01-15 Reverser for timepiece Active EP2897000B1 (en)

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EP14151337.4A EP2897000B1 (en) 2014-01-15 2014-01-15 Reverser for timepiece
ES14151337.4T ES2623896T3 (en) 2014-01-15 2014-01-15 Inverter for watchmaking
US14/594,276 US9158283B2 (en) 2014-01-15 2015-01-12 Reverser for timepiece
CN201510020937.XA CN104777739B (en) 2014-01-15 2015-01-15 Commutator for clock
HK15108412.6A HK1207909A1 (en) 2014-01-15 2015-08-31 Reverser for timepiece

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EP4198640A1 (en) 2021-12-15 2023-06-21 Richemont International S.A. Planetary reverser and automatic winding mechanism for timepieces
EP4296788A1 (en) * 2022-06-21 2023-12-27 Montres Breguet S.A. Device for automatic winding of a barrel spring of a timepiece movement

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EP3104232B1 (en) 2015-06-11 2017-11-29 Société anonyme de la Manufacture d'Horlogerie Audemars Piguet & Cie Timepiece reverser and self-winding watch comprising same
CN105045077A (en) * 2015-08-21 2015-11-11 辽宁孔雀表业有限公司 Upward-transmission spring reversing mechanism for automatic mechanical watch
EP3220206B1 (en) * 2016-03-16 2020-09-30 Rolex Sa Clock transmission device
JP7071831B2 (en) * 2018-01-30 2022-05-19 セイコーインスツル株式会社 Hoisting force transmission mechanism, movement, and mechanical watch
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EP4198640A1 (en) 2021-12-15 2023-06-21 Richemont International S.A. Planetary reverser and automatic winding mechanism for timepieces
EP4296788A1 (en) * 2022-06-21 2023-12-27 Montres Breguet S.A. Device for automatic winding of a barrel spring of a timepiece movement

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ES2623896T3 (en) 2017-07-12
US9158283B2 (en) 2015-10-13
EP2897000B1 (en) 2017-02-01
CN104777739A (en) 2015-07-15
HK1207909A1 (en) 2016-02-12
CN104777739B (en) 2018-04-17
US20150198925A1 (en) 2015-07-16

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