EP3220211B1 - Shock absorbing system with angular locking - Google Patents
Shock absorbing system with angular locking Download PDFInfo
- Publication number
- EP3220211B1 EP3220211B1 EP16160124.0A EP16160124A EP3220211B1 EP 3220211 B1 EP3220211 B1 EP 3220211B1 EP 16160124 A EP16160124 A EP 16160124A EP 3220211 B1 EP3220211 B1 EP 3220211B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- spring ring
- shock absorber
- ring
- absorber device
- pivot module
- 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.)
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Links
- 230000035939 shock Effects 0.000 title claims description 25
- 239000006096 absorbing agent Substances 0.000 claims description 16
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 210000003323 beak Anatomy 0.000 claims description 2
- 239000004575 stone Substances 0.000 description 13
- 230000000703 anti-shock Effects 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B37/00—Cases
- G04B37/04—Mounting the clockwork in the case; Shock absorbing mountings
- G04B37/05—Fixed mountings for pocket or wrist watches
- G04B37/052—Fixed mountings for pocket or wrist watches with shock damping means not related to the winding stem
-
- 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
- G04B13/00—Gearwork
- G04B13/02—Wheels; Pinions; Spindles; Pivots
- G04B13/021—Wheels; Pinions; Spindles; Pivots elastic fitting with a spindle, axis or shaft
-
- 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
- G04B31/00—Bearings; Point suspensions or counter-point suspensions; Pivot bearings; Single parts therefor
- G04B31/02—Shock-damping bearings
-
- 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
- G04B31/00—Bearings; Point suspensions or counter-point suspensions; Pivot bearings; Single parts therefor
- G04B31/02—Shock-damping bearings
- G04B31/04—Shock-damping bearings with jewel hole and cap jewel
Definitions
- the present invention relates to an anti-shock system for a mobile axis of a timepiece.
- the shaft comprises a beam, having a support, said support being provided with a housing adapted to receive a pivot system in which the tigeron is inserted.
- the shockproof system further comprises elastic means arranged to exert on said pivot system at least one axial force.
- the technical field of the invention is the technical field of fine mechanics.
- the present invention relates to bearings for timepieces, more particularly of the type for damping shocks.
- the mechanical watch manufacturers have long since designed numerous devices allowing an axis to absorb the energy resulting from an impact, in particular a side impact, by abutment against a wall of the hole of the base block that it crosses. while allowing a momentary movement of the tigeron before it is brought back to its rest position under the action of a spring.
- the Figures 1 and 2 illustrate an inverted double-cone device that is currently used in timepieces on the market.
- the kitten 20 is held in a housing 6 of the support 1 by a spring 10 which comprises in this example radial extensions 9 compressing the stone against pivot 5.
- the support 1 is a part of revolution comprising a circular flange 11.
- This flange 11 is interrupted in two diametrically opposite locations by an opening 12 so as to create two semi-circular flanges 11a, 11b.
- the opening 12 is formed partly in the two semicircular edges 11a, 11b so as to materialize two returns 13.
- the kitten 20 is held in a housing 6 of the support 1 by elastic means such as a spring 10 which comprises in this example of the radial extensions 9 compressing the counter-pivot stone 5.
- the spring 10 is of the axial type and has a form of lyre arranged to bear under the return semicircular flanges 11a, 11b.
- the housing 6 comprises two bearing surfaces 7, 7a in the form of inverted cones on which support complementary bearing surfaces 8, 8a of the kitten 20, said bearing surfaces to be executed with very high accuracy.
- the pierced stone 4 the counter pivot stone 5 and the axis of the balance arm move and the spring 10 acts alone to bring the balance shaft 3 back to its initial position.
- the spring 10 is dimensioned to have a limit of displacement so that beyond this limit, the balance shaft 3 comes into contact with abutments 14 allowing said axis 3 to absorb the shock, which the rods 3a Axis 3 can not do without breaking.
- the spring 10 cooperates with the complementary inclined planes 7, 7a; 8, 8a to refocus the kitten 20.
- Such bearings have for example been sold under the trademark Incabloc®.
- These springs can be made of phynox or brass and are manufactured by traditional means of cutting.
- shock absorber systems are not easy. Indeed, certain parts such as the support 1 and the spring 10 must be oriented and manipulated in a certain way during the assembly operation so that the assembly can be done.
- the assembly of the shock absorber system begins by providing a support, then a kitten with these stones. The latter is placed in the support housing. Then, one is equipped with a spring of the axial type and which presents a form of lyre. It is manipulated so that it can take support under the returns of semicircular flanges 11a, 11b of the support.
- the invention aims to overcome the disadvantages of the prior art by proposing to provide a shock absorber system whose assembly is automated, simple and safe.
- the invention relates to a shock absorbing device for an axis of an element of a timepiece
- a support comprising a bottom cup surmounted by a defined peripheral rim, opposite said cup, by an upper surface and comprising an outer wall, said cup and the flange together defining a housing
- the device further comprising at least one pivot module extending along an axis, said at least one pivot module being arranged in said housing and suitable to cooperate with said axis
- said device comprising fixing means comprising a peripheral bearing extending from the flange towards the axial center of the cup, elastic means being arranged between the pivot module and the bearing to exert a stress on the module pivot, characterized in that the elastic means comprise a spring ring provided with at least one radial extension extending towards the center of said ring and at least two lugs extending in a reverse direction, said bearing comprising at least one notch for allow the bayonet mounting of said spring ring and that the scope comprises, from and other of said at least one notch, a
- the scope comprises three notches, said spring ring comprising three lugs.
- said elastic means comprise a spring ring comprising at least two arms extending towards the axial center of said spring ring to press said pivot module into the housing of the support.
- the at least two arms are diametrically opposed.
- the spring ring comprises three angularly distributed arms.
- said means comprise a spring ring having internal radial extensions disposed between annular parts, said internal radial extensions being constituted by the band forming the ring curved towards the inside of the ring.
- said internal radial extensions are regularly distributed.
- the spring ring comprises three internal radial extensions.
- the present invention proceeds from the general inventive idea of providing a shock absorbing device or simple shockproof system, easy to mount and offering less risk of problems during assembly.
- This shock absorber system is arranged to be mounted on a plate and / or at least one bridge of a watch movement.
- the watch movement is placed in a timepiece comprising a middle part closed by a bottom and an ice.
- This shock absorbing device or shockproof system 100 is mounted in a base element of a timepiece movement.
- the plate or the bridges of the movement are the basic element in which the anti-shock system 100 according to the invention is placed.
- This anti-shock system 100 comprises a support 200.
- This support 200 is in the form of a cup 201, provided with a hole 202, surmounted by a peripheral rim 203 delimited, opposite said cup, by an upper surface. 213.
- This peripheral flange 203 also has an outer wall 214 and an inner wall 215.
- a conventional pivot module 400 comprises a kitten 401, that is to say a part having a circular central orifice, an outer wall and an inner wall. In the central orifice is inserted a pierced stone 402 whose diameter corresponds to that of the central orifice.
- the inner wall includes a shoulder so that a counter pivot stone 403 can be attached.
- the pivot module 400 is then placed in the housing 206 of the support 200 and cooperates with the shank of an axis.
- the shockproof system 100 further comprises resilient means 300 which are arranged to cooperate with the pivot module 400. This makes it possible to dampen the shocks and to bring the pivot module 400 back to its rest position when the stresses exerted following the shocks occur. fade.
- the elastic means 300 are fixed on the support 200. Preferably, the elastic means 300 are also placed on the pivot module 400. The shockproof system 100 is then inserted into an orifice of the plate or in one of the bridges of the movement.
- the elastic means 300 are, for example, in the form of a spring ring 301.
- This spring ring 301 is of the flat type, that is to say that it consists of a band or ribbon that is that is, having a width greater than the thickness.
- the band or ribbon constituting the spring ring 301 is metallic and circular extending along a central axis (C).
- the resilient means 300 are in the form of a circular spring ring 301 which comprises arms 302 extending towards the axial center of said spring ring 301. These arms 302 are diametrically opposed and serve to press said pivot module 400 into the housing 206 200.
- the spring ring 301 may comprise two, preferably three arms.
- the spring ring 301 comprises internal radial extensions 303 disposed between annular portions 304. These internal radial extensions 303 are constituted by the band forming the ring 301 which is curved towards the inside of the ring 301. These radial extensions 303 are preferably evenly distributed over the round of the flat ring 301 so that the spring ring 301 can act homogeneously as visible in the figure 5 . It is then understood that the spring ring 301 can be oriented in any manner relative to the support 200.
- the spring ring 301 may comprise two, preferably three radial extensions.
- a bayonet system 500 is used to mount and fix the elastic means 300 to the support 200.
- a bayonet system comprises a peripheral bearing 501 extending from the flange 203 towards the center of the support 200.
- This bearing surface 501 forms, with the support 200 and the flange, a holding zone 503.
- This holding zone 503 may comprise besides a peripheral groove 505 so that the elastic means 300 can be inserted therein.
- the bearing 501 includes notches 507 so that the bearing is divided into portions.
- the spring ring 301 has lugs 305 extending so as to move away from the axial center of said spring ring 301. These lugs 305 are arranged to hold said spring ring 301.
- the dimensions of the spring ring 301 and the span 501 are calculated so that the lugs 305 can be inserted into the notches 507 of the span 501.
- the number of notches will preferably be identical to the number of lugs. Preferably, this number will be three. This insertion of the lugs into the notches of the span allows said ring-spring to be inserted into the holding zone. It is then sufficient to rotate the spring ring so that the lugs are placed under the scope 501.
- the mounting of the spring is subsequent to the step of placing the pivot module 400 in its housing 206 so that the mounting of the spring ring causes the appearance of a stress applied to said spring ring.
- This constraint is due to the pivot module which tends to push the spring ring towards the outside of the housing while the lugs of said spring ring are in abutment on the scope, thus retaining said spring ring.
- the portions of the bearing 501 are designed to have, at each end, a spout 509. These spouts located at each end of a portion of the scope have a locking function of the spring ring.
- the shock absorber system works so that the spring is more or less solicited.
- This displacement can be a rotational movement of the ring spring on itself. Therefore, if the rotation is too important, there is a risk that the lugs are facing the notches and therefore the spring ring is disassembled.
- the presence of nozzles advantageously solves this problem by acting as rotation limiter. then a rotation of the spring-ring on itself in case of low stress, the beaks act as a stop to stop this rotation.
- the lugs of the spring ring can not be found next to the notches and therefore the spring ring can not disassemble itself.
- the support 200 and the element of the movement in which the shock absorbing bearing 100 is placed in one and the same piece, the support 200 and the element of movement are monobloc. It is then understood that the base member has a recess arranged to form a bottom pierced with a hole and forming the housing 206 in which the pivot module 400 is placed. It is also understood that this second variant can coexist with the first variant. Indeed, as a bridge or a platen has any shape, an assembly area arranged makes it possible to be sure to install the fastening means and thus to maintain the pivot module 400 in the housing.
- the pivot module 400 may consist of a single stone or that the pierced stone and the pivot-pivot stone are integral with one another. It is understood that the pierced stone and the counter-pivot stone can be driven into one another or be one-piece. These possibilities make it possible to limit the number of parts of the shock-absorbing bearing.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Springs (AREA)
- Vibration Dampers (AREA)
Description
La présente invention concerne un système antichoc pour un axe d'un mobile d'une pièce d'horlogerie. L'axe comprend un tigeron, comportant un support, ledit support étant pourvu d'un logement prévu pour recevoir un système pivot dans lequel le tigeron est inséré. Le système antichoc comprend en outre des moyens élastiques agencés pour exercer sur ledit système pivot au moins une force axiale.The present invention relates to an anti-shock system for a mobile axis of a timepiece. The shaft comprises a beam, having a support, said support being provided with a housing adapted to receive a pivot system in which the tigeron is inserted. The shockproof system further comprises elastic means arranged to exert on said pivot system at least one axial force.
Le domaine technique de l'invention est le domaine technique de la mécanique fine.The technical field of the invention is the technical field of fine mechanics.
La présente invention concerne des paliers pour pièces d'horlogerie, plus particulièrement du type permettant d'amortir les chocs. Les constructeurs de montres mécaniques ont conçu depuis longtemps de nombreux dispositifs permettant à un axe d'absorber l'énergie résultant d'un choc, notamment d'un choc latéral, par butée contre une paroi du trou du bloc de base qu'il traverse, tout en permettant un déplacement momentané du tigeron avant qu'il ne soit ramené à sa position de repos sous l'action d'un ressort.The present invention relates to bearings for timepieces, more particularly of the type for damping shocks. The mechanical watch manufacturers have long since designed numerous devices allowing an axis to absorb the energy resulting from an impact, in particular a side impact, by abutment against a wall of the hole of the base block that it crosses. while allowing a momentary movement of the tigeron before it is brought back to its rest position under the action of a spring.
Des paliers de ce type sont connus des documents
Les
Un support 1, dont la base comporte un trou 2 pour le passage de l'axe de balancier 3 terminé par un tigeron 3a, permet de positionner un chaton 20 dans lequel sont immobilisées une pierre percée 4 traversée par le tigeron 3a et une pierre contre-pivot 5. Le chaton 20 est maintenu dans un logement 6 du support 1 par un ressort 10 qui comprend dans cet exemple des extensions radiales 9 comprimant la pierre contre-pivot 5. Le support 1 est une pièce de révolution comprenant un rebord circulaire 11. Ce rebord 11 est interrompu en deux endroits diamétralement opposés par une ouverture 12 de sorte à créer deux rebords semi-circulaires 11a, 11b. L'ouverture 12 est ménagée pour partie dans les deux rebords semi-circulaires 11a, 11b de façon à matérialiser deux retours 13. Le chaton 20 est maintenu dans un logement 6 du support 1 par des moyens élastiques tels un ressort 10 qui comprend dans cet exemple des extensions radiales 9 comprimant la pierre contre-pivot 5. Le ressort 10 est du type axiale et présente une forme de lyre agencée pour prendre appui sous les retours des rebords semi-circulaires 11a, 11b. Le logement 6 comporte deux portées 7, 7a en forme de cônes inversés sur lesquelles prennent appui des portées complémentaires 8, 8a du chaton 20, lesdites portées devant être exécutées avec une très grande précision. En cas de choc axial, la pierre percée 4, la pierre contre-pivot 5 et l'axe du balancier se déplacent et le ressort 10 agit seul pour ramener l'axe de balancier 3 dans sa position initiale. Le ressort 10 est dimensionné pour avoir une limite de déplacement de sorte qu'au-delà de cette limite, l'axe de balancier 3 arrive en contact avec des butées 14 permettant audit axe 3 d'absorber le choc, ce que les tigerons 3a de l'axe 3 ne peuvent faire sous peine de casser. En cas de choc latéral, c'est-à-dire lorsque l'extrémité du tigeron déséquilibre le chaton 20 hors de son plan de repos, le ressort 10 coopère avec les plans inclinés complémentaires 7, 7a ; 8, 8a pour recentrer le chaton 20. De tels paliers ont par exemple été vendus sous la marque Incabloc®. Ces ressorts peuvent être réalisés en phynox ou laiton et sont fabriqués par des moyens traditionnels de découpage.A
Or, un inconvénient de ces systèmes amortisseurs de chocs est que leur montage n'est pas aisé. En effet, certaines pièces comme le support 1 et le ressort 10 doivent être orientées et manipulées d'une certaine façon lors de l'opération de montage pour que l'assemblage puisse se faire. Ainsi, l'assemblage du système amortisseur de chocs commence en se munissant d'un support, puis d'un chaton avec ces pierres. Ce dernier est placé dans le logement du support. Ensuite, on se munit d'un ressort du type axial et qui présente une forme de lyre. Celui-ci est manipulé pour qu'il puisse prendre appui sous les retours des rebords semi-circulaires 11a, 11b du support.However, a disadvantage of these shock absorber systems is that their assembly is not easy. Indeed, certain parts such as the
L'invention a pour but de pallier les inconvénients de l'art antérieur en proposant de fournir un système amortisseur de chocs dont l'assemblage est automatisable, simple et sûre.The invention aims to overcome the disadvantages of the prior art by proposing to provide a shock absorber system whose assembly is automated, simple and safe.
A cet effet, l'invention concerne un dispositif amortisseur de chocs pour un axe d'un élément d'une pièce d'horlogerie comprenant un support comportant une coupelle de fond surmontée par un rebord périphérique délimité, à l'opposé de ladite coupelle, par une surface supérieure et comprenant une paroi extérieure, ladite coupelle et le rebord définissant ensemble un logement, le dispositif comprenant en outre au moins un module pivot s'étendant selon un axe, ledit au moins un module pivot étant agencé dans ledit logement et apte à coopérer avec ledit axe, ledit dispositif comprenant des moyens de fixation comprenant une portée périphérique s'étendant depuis le rebord vers le centre axiale de la coupelle, des moyens élastiques étant agencés entre le module pivot et la portée pour exercer une contrainte sur le module pivot,
caractérisé en ce que les moyens élastiques comportent un anneau ressort muni d'au moins une extension radiale s'étendant vers le centre dudit anneau et d'au moins deux ergots s'étendant dans une direction inverse, ladite portée comprenant au moins une encoche pour permettre le montage à baïonnette dudit anneau ressort et en ce que la portée comprend, de part et d'autre de ladite au moins une encoche, un bec orienté vers la coupelle de fond permettant de bloquer en rotation lesdits moyens élastiques.For this purpose, the invention relates to a shock absorbing device for an axis of an element of a timepiece comprising a support comprising a bottom cup surmounted by a defined peripheral rim, opposite said cup, by an upper surface and comprising an outer wall, said cup and the flange together defining a housing, the device further comprising at least one pivot module extending along an axis, said at least one pivot module being arranged in said housing and suitable to cooperate with said axis, said device comprising fixing means comprising a peripheral bearing extending from the flange towards the axial center of the cup, elastic means being arranged between the pivot module and the bearing to exert a stress on the module pivot,
characterized in that the elastic means comprise a spring ring provided with at least one radial extension extending towards the center of said ring and at least two lugs extending in a reverse direction, said bearing comprising at least one notch for allow the bayonet mounting of said spring ring and that the scope comprises, from and other of said at least one notch, a nozzle oriented towards the bottom cup for locking in rotation said elastic means.
Dans un premier mode de réalisation avantageux, la portée comprend trois encoches, ledit anneau ressort comprenant trois ergots.In a first advantageous embodiment, the scope comprises three notches, said spring ring comprising three lugs.
Dans un second mode de réalisation avantageux, lesdits moyens élastiques comprennent un anneau ressort comportant au moins deux bras s'étendant vers le centre axial dudit anneau ressort pour plaquer ledit module pivot dans le logement du support.In a second advantageous embodiment, said elastic means comprise a spring ring comprising at least two arms extending towards the axial center of said spring ring to press said pivot module into the housing of the support.
Dans un troisième mode de réalisation avantageux, les au moins deux bras sont diamétralement opposées.In a third advantageous embodiment, the at least two arms are diametrically opposed.
Dans un autre mode de réalisation avantageux, l'anneau ressort comprend trois bras angulairement répartis.In another advantageous embodiment, the spring ring comprises three angularly distributed arms.
Dans un autre mode de réalisation avantageux, lesdits moyens comprennent un anneau ressort comportant des extensions radiales internes disposées entre des parties annulaires, lesdites extensions radiales internes étant constituées par la bande formant l'anneau recourbée vers l'intérieur de l'anneau.In another advantageous embodiment, said means comprise a spring ring having internal radial extensions disposed between annular parts, said internal radial extensions being constituted by the band forming the ring curved towards the inside of the ring.
Dans un autre mode de réalisation avantageux, lesdites extensions radiales internes sont régulièrement réparties.In another advantageous embodiment, said internal radial extensions are regularly distributed.
Dans un autre mode de réalisation avantageux, l'anneau ressort comprend trois extensions radiales internes.In another advantageous embodiment, the spring ring comprises three internal radial extensions.
Les buts, avantages et caractéristiques du système antichoc ou dispositif amortisseur de chocs selon la présente invention apparaîtront plus clairement dans la description détaillée suivante d'au moins une forme de réalisation de l'invention donnée uniquement à titre d'exemple non limitatif et illustrée par les dessins annexés sur lesquels :
- les
figures 1 et 2 , déjà citées, permettent de représenter de manière schématique un système amortisseur de chocs de pièce d'horlogerie selon l'art antérieur; - les
figures 3 et4 représentent de manière schématique un système amortisseur de chocs de pièce d'horlogerie selon l'invention lorsqu'il est démonté et monté ; - les
figures 5 et 6 représentent différentes solutions des moyens élastiques du système amortisseur de chocs de pièce d'horlogerie selon l'invention ;
- the
Figures 1 and 2 already mentioned, make it possible to schematically represent a shock absorber system of a timepiece according to the prior art; - the
figures 3 and4 schematically represent a timepiece shock absorber system according to the invention when it is disassembled and mounted; - the
Figures 5 and 6 represent different solutions of the elastic means of the shock absorber system of timepiece according to the invention;
La présente invention procède de l'idée générale inventive qui consiste à procurer un dispositif amortisseur de chocs ou système antichoc simple, facile à monter et offrant moins de risques de problèmes lors du montage. Ce système amortisseur de chocs est agencé pour être monté sur une platine et/ou au moins un pont d'un mouvement horloger. Le mouvement horloger est placé dans une pièce d'horlogerie comprenant une carrure fermée par un fond et une glace.The present invention proceeds from the general inventive idea of providing a shock absorbing device or simple shockproof system, easy to mount and offering less risk of problems during assembly. This shock absorber system is arranged to be mounted on a plate and / or at least one bridge of a watch movement. The watch movement is placed in a timepiece comprising a middle part closed by a bottom and an ice.
Sur les
Le système antichoc 100 comprend en outre des moyens élastiques 300 qui sont agencés pour coopérer avec le module pivot 400. Cela permet d'amortir les chocs et de ramener le module pivot 400 dans sa position de repos lorsque les contraintes exercées suite aux chocs s'estompent. Les moyens élastiques 300 sont fixés sur le support 200. De préférence, les moyens élastiques 300 sont également placés sur le module pivot 400. Le système antichoc 100 est ensuite inséré dans un orifice de la platine ou dans l'un des ponts du mouvement.The
Les moyens élastiques 300 se présentent, par exemple, sous la forme d'un anneau ressort 301. Cet anneau ressort 301 est du type plat c'est-à-dire qu'il est constitué d'une bande ou ruban c'est-à-dire présentant une largeur plus grande que l'épaisseur. La bande ou ruban constituant l'anneau ressort 301 est métallique et circulaire s'étendant selon un axe central (C).The elastic means 300 are, for example, in the form of a
Dans une première réalisation de cet anneau ressort 301 visible à la
Dans une seconde réalisation de cette anneau ressort 301 visible à la
Pour monter et fixer les moyens élastiques 300 au support 200, un système à baïonnette 500 est utilisé. Un tel système à baïonnette comprend une portée 501 périphérique s'étendant du rebord 203 vers le centre du support 200. Cette portée 501 forme, avec le support 200 et le rebord, une zone de maintien 503. Cette zone de maintien 503 peut comprendre en outre une gorge 505 périphérique pour que les moyens élastiques 300 puissent s'y insérer. Afin de monter les moyens élastiques, la portée 501 comprend des encoches 507 de sorte à ce que la portée soit divisée en portion.To mount and fix the elastic means 300 to the
Avantageusement, l'anneau ressort 301 présente des ergots 305 s'étendant de sorte à s'éloigner du centre axial dudit anneau ressort 301. Ces ergots 305 sont agencés pour maintenir ledit anneau ressort 301. Effectivement, les dimensions de l'anneau ressort 301 et de la portée 501 sont calculées de sorte que les ergots 305 puissent s'insérer dans les encoches 507 de la portée 501. Le nombre d'encoches sera préférentiellement identique au nombre d'ergots. Préférentiellement, ce nombre sera de trois. Cette insertion des ergots dans les encoches de la portée permet audit anneau-ressort d'être inséré dans la zone de maintien. Il suffit alors de mettre en rotation l'anneau ressort pour que les ergots soient placés sous la portée 501. En effet, le montage du ressort est postérieur à l'étape visant à placer le module pivot 400 dans son logement 206 de sorte que le montage de l'anneau-ressort entraine l'apparition d'une contrainte appliquée sur ledit anneau-ressort. Cette contrainte est due au module pivot qui tend à pousser l'anneau ressort vers l'extérieur du logement alors que les ergots dudit anneau ressort sont en butée sur la portée, retenant ainsi ledit anneau ressort. Bien entendu, il pourra être possible d'avoir une seule encoche au niveau de la portée mais d'avoir un anneau-ressort ayant deux ou trois ergots.Advantageously, the
La présence des ergots 305 permet de limiter la contrainte exercée sur ledit anneau ressort 301 par la portée de sorte que cette contrainte est uniquement localisée sur ces ergots 305. Par conséquent, comme ces ergots 305 sont des zones passives c'est-à-dire sans influence sur le comportement de l'anneau ressort 301. De ce fait, le comportement initial de l'anneau ressort 301 n'est pas modifié par son assemblage au support 200.The presence of the
Astucieusement selon l'invention, les portions de la portée 501 sont conçues pour présenter, à chaque extrémité, un bec 509. Ces becs situés à chaque extrémité d'une portion de la portée ont une fonction de blocage de l'anneau-ressort. En effet, en condition de fonctionnement, le système amortisseur de chocs travaille de sorte que le ressort est plus ou moins sollicité. Toutefois, il arrive que le ressort ne soit plus sous contrainte de sorte qu'un déplacement de cet anneau-ressort est possible. Ce déplacement peut être un mouvement de rotation de l'anneau ressort sur lui-même. Par conséquent, si la rotation est trop importante, il existe un risque que les ergots se trouvent en regard des encoches et donc que l'anneau-ressort se démonte. Ainsi, la présence des becs résous avantageusement ce problème en faisant office de limiteur de rotation. Lors d'une rotation de l'anneau-ressort sur lui-même en cas de faible contrainte, les becs font office de butée pour stopper cette rotation. Les ergots de l'anneau-ressort ne se peuvent pas se retrouver en regard des encoches et donc l'anneau ressort ne peut pas se démonter de lui-même.Cleverly according to the invention, the portions of the
On peut imaginer, le support 200 et l'élément du mouvement dans lequel le palier amortisseur de chocs 100 est placé ne sont qu'une seule et même pièce, le support 200 et l'élément du mouvement sont donc monoblocs. On comprend alors que l'élément de base présente un évidement agencé pour former un fond percé d'un trou et formant le logement 206 dans lequel le module pivot 400 est placé. On comprend également que cette seconde variante peut cohabiter avec la première variante. En effet, comme un pont ou une platine présente une forme quelconque, une zone de montage agencée permet d'être sure de pouvoir installer les moyens de fixations et donc de maintenir le module pivot 400 dans le logement.One can imagine, the
On comprendra que diverses modifications et/ou améliorations et/ou combinaisons évidentes pour l'homme du métier peuvent être apportées aux différents modes de réalisation de l'invention exposée ci-dessus sans sortir du cadre de l'invention définie par les revendications annexées.It will be understood that various modifications and / or improvements and / or combinations obvious to those skilled in the art can be made to the various embodiments of the invention set out above without departing from the scope of the invention defined by the appended claims.
En effet, il est possible que le module pivot 400 puisse être constitué d'une pierre unique ou que la pierre percée et la pierre contre-pivot soient solidaires l'une de l'autre. On comprend que la pierre percée et la pierre contre-pivot peuvent être chassées l'une dans l'autre ou être monoblocs. Ces possibilités permettent de limiter le nombre de pièce du palier amortisseur de chocs.Indeed, it is possible that the
Claims (8)
- Shock absorber device (100) for an arbor of a timepiece element including a support (200) comprising a base cup (201) surmounted by a peripheral rim (203) delimited, opposite said cup, by an upper surface (213) and including an outer wall (214), said cup (201) and the rim (203) defining together a housing (206), the device further including at least one pivot module (400) extending along an axis (C), said at least one pivot module being arranged inside said housing and able to cooperate with said arbor, said device comprising fastening means (500) including a peripheral shoulder (501) extending from the rim towards the axial centre of the cup, elastic means being arranged between the pivot module and the shoulder to exert a stress on the pivot module,
characterized in that the elastic means include a spring ring (301) provided with at least one radial extension (302, 303) extending towards the centre of said ring and with at least two catches (305) extending in an opposite direction, said shoulder including at least one notch (507) to allow a mounting of said spring ring based on a bayonet system and in that the shoulder includes, on either side of said at least one notch, a beak (509) oriented towards the base cup allowing said elastic means to be locked in rotation. - Shock absorber device (100) according to claim 1, characterized in that the shoulder (501) includes three notches (507), said spring ring comprising three catches (305).
- Shock absorber device (100) according to claims 1 or 2, characterized in that said elastic means (300) include a spring ring (301) comprising at least two arms (302) extending towards the axial centre of said spring ring to press said pivot module into the housing of the support.
- Shock absorber device (100) according to claim 3, characterized in that the at least two arms (302) are diametrically opposite.
- Shock absorber device (100) according to claim 3, characterized in that the spring ring includes three angularly distributed arms (302).
- Shock absorber device (100) according to claims 1 or 2, characterized in that said means (300) include a spring ring (301) including inner radial extensions (303) arranged between annular portions (304), said inner radial extensions being formed by the band forming the ring bent towards the interior of the ring.
- Shock absorber device (100) according to claim 6, characterized in that said inner radial extensions (303) are regularly distributed.
- Shock absorber device (100) according to claims 6 or 7, characterized in that the spring ring includes three inner radial extensions (303).
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP16160124.0A EP3220211B1 (en) | 2016-03-14 | 2016-03-14 | Shock absorbing system with angular locking |
JP2017031967A JP6371875B2 (en) | 2016-03-14 | 2017-02-23 | Shock-resistant system with angle lock |
US15/450,263 US10114339B2 (en) | 2016-03-14 | 2017-03-06 | Anti-shock system with angular locking |
CN201720237835.8U CN206638957U (en) | 2016-03-14 | 2017-03-13 | Dampening arrangement for the mandrel of watch elements |
CN201710145511.6A CN107193198B (en) | 2016-03-14 | 2017-03-13 | Vibration prevention system with angle locking |
HK18103137.8A HK1243779A1 (en) | 2016-03-14 | 2018-03-05 | Anti-shock system with angular locking |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP16160124.0A EP3220211B1 (en) | 2016-03-14 | 2016-03-14 | Shock absorbing system with angular locking |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3220211A1 EP3220211A1 (en) | 2017-09-20 |
EP3220211B1 true EP3220211B1 (en) | 2018-10-10 |
Family
ID=55527472
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16160124.0A Active EP3220211B1 (en) | 2016-03-14 | 2016-03-14 | Shock absorbing system with angular locking |
Country Status (5)
Country | Link |
---|---|
US (1) | US10114339B2 (en) |
EP (1) | EP3220211B1 (en) |
JP (1) | JP6371875B2 (en) |
CN (2) | CN107193198B (en) |
HK (1) | HK1243779A1 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3220211B1 (en) * | 2016-03-14 | 2018-10-10 | ETA SA Manufacture Horlogère Suisse | Shock absorbing system with angular locking |
EP3422117B1 (en) * | 2017-06-29 | 2020-05-27 | Nivarox-FAR S.A. | Shock-absorber bearing for a shaft of a timepiece rotating componant |
EP3470934B1 (en) * | 2017-10-10 | 2020-08-19 | ETA SA Manufacture Horlogère Suisse | Shock absorbing system with angular locking |
EP3779608A1 (en) | 2019-08-16 | 2021-02-17 | Nivarox-FAR S.A. | Elastic holding member for a timepiece component on a support element |
EP3839661B1 (en) * | 2019-12-18 | 2022-08-10 | ETA SA Manufacture Horlogère Suisse | Shock absorber device with angular locking |
EP3910427A1 (en) | 2020-05-13 | 2021-11-17 | ETA SA Manufacture Horlogère Suisse | Attachment kit |
EP3916489A1 (en) | 2020-05-29 | 2021-12-01 | Rolex Sa | Shock absorber spring, bearing body and bearing for timepiece |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB513454A (en) * | 1937-04-21 | 1939-10-12 | Fritz Marti | Bearing with movable bush particularly for watch movements |
DE832579C (en) * | 1949-07-25 | 1952-02-25 | Junghans Geb Ag | Spring-loaded bearing for shaft journals in precision mechanical gears |
CH330904A (en) * | 1956-05-23 | 1958-06-30 | Rolex Montres | Shock-absorbing bearing for watchmaking mobile |
DE602005025585D1 (en) * | 2005-02-23 | 2011-02-10 | Eta Sa Mft Horlogere Suisse | Shock absorbing watch storage |
DE602005006731D1 (en) * | 2005-03-23 | 2008-06-26 | Rolex Sa | Shock-absorbing storage for watches |
EP2469357B2 (en) * | 2010-12-21 | 2016-06-29 | The Swatch Group Research and Development Ltd. | Shock-absorbing bearing for a rotating mobile of a clock movement |
JP5975618B2 (en) * | 2011-10-14 | 2016-08-23 | セイコーインスツル株式会社 | Vibration-proof bearing mechanism for balance, balance with balance and watch with the balance |
EP2806314A1 (en) * | 2013-05-24 | 2014-11-26 | The Swatch Group Research and Development Ltd. | Shock absorber with bayonet |
EP2816423A1 (en) * | 2013-06-21 | 2014-12-24 | ETA SA Manufacture Horlogère Suisse | Securely mounted anti-shock system |
CN203930351U (en) * | 2013-12-20 | 2014-11-05 | Eta瑞士钟表制造股份有限公司 | Damping bearing, comprise the movement of this damping bearing and comprise the clock and watch of this movement |
EP3220211B1 (en) * | 2016-03-14 | 2018-10-10 | ETA SA Manufacture Horlogère Suisse | Shock absorbing system with angular locking |
-
2016
- 2016-03-14 EP EP16160124.0A patent/EP3220211B1/en active Active
-
2017
- 2017-02-23 JP JP2017031967A patent/JP6371875B2/en active Active
- 2017-03-06 US US15/450,263 patent/US10114339B2/en active Active
- 2017-03-13 CN CN201710145511.6A patent/CN107193198B/en active Active
- 2017-03-13 CN CN201720237835.8U patent/CN206638957U/en not_active Withdrawn - After Issue
-
2018
- 2018-03-05 HK HK18103137.8A patent/HK1243779A1/en unknown
Non-Patent Citations (1)
Title |
---|
None * |
Also Published As
Publication number | Publication date |
---|---|
EP3220211A1 (en) | 2017-09-20 |
US10114339B2 (en) | 2018-10-30 |
JP6371875B2 (en) | 2018-08-08 |
CN206638957U (en) | 2017-11-14 |
HK1243779A1 (en) | 2018-07-20 |
US20170261937A1 (en) | 2017-09-14 |
JP2017167128A (en) | 2017-09-21 |
CN107193198B (en) | 2019-06-04 |
CN107193198A (en) | 2017-09-22 |
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