EP3291026B1 - Shock-absorbing bearing for a clock piece - Google Patents
Shock-absorbing bearing for a clock piece Download PDFInfo
- Publication number
- EP3291026B1 EP3291026B1 EP16186261.0A EP16186261A EP3291026B1 EP 3291026 B1 EP3291026 B1 EP 3291026B1 EP 16186261 A EP16186261 A EP 16186261A EP 3291026 B1 EP3291026 B1 EP 3291026B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- spring
- shock
- extensions
- ring
- bearing
- 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
- 230000002093 peripheral effect Effects 0.000 claims description 15
- 239000010437 gem Substances 0.000 claims 1
- 229910001751 gemstone Inorganic materials 0.000 claims 1
- 239000004575 stone Substances 0.000 description 18
- 230000035939 shock Effects 0.000 description 13
- 239000000314 lubricant Substances 0.000 description 3
- 208000035224 Ring chromosome 12 syndrome Diseases 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 241000282376 Panthera tigris Species 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013016 damping 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
- 230000000750 progressive effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 210000000707 wrist Anatomy 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
- 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 a shock-absorbing bearing for a timepiece, and more particularly the bearing of the balance axis of a mechanical watch, making it possible to avoid the rupture of the small diameter pivot, located at its end, designated by “tigeron”, in the event of an axial or lateral impact, which may simply result from a sudden movement of the wearer's wrist.
- FIGS 1 to 3 illustrate a device, called "double inverted cone" which is currently used in timepieces on the market.
- a device of this type is for example described in the patent FR 1,532,798 .
- a support block 1 the base of which has a hole 2 for the passage of the pendulum axis 3 terminated by a tigeron 3a, makes it possible to position a kitten 20 in which are immobilized a pierced stone 4 crossed by the tigeron 3a and a stone counter-pivot 5.
- the kitten 20 is held in a housing 6 of the support block 1 by a spring 10 which in this example comprises radial extensions 9 compressing the stone against-pivot 5.
- the housing 6 has two bearing surfaces 7, 7a in the form of inverted cones on which are supported complementary bearing surfaces 8, 8a of the kitten 20, said bearing surfaces having to be executed with very high precision.
- the spring 10 acts alone to bring the balance pin 3 back to its initial position.
- the support block 1 comprises a peripheral rim 11 in which two diametrically opposed openings 11a are made.
- the current spring is a substantially flat lyre spring 10.
- a substantially flat lyre spring 10 Such a spring comprises a base from which two arms extend. These curved arms are symmetrical and extend to give a lyre shape. Ideally, the arms are arranged to form two parts of the same circle whose center is the center of the moving spring. Each arm comprises, at its free end, a hook making it possible to bear on projecting portions 11b of the rim extending at the level of the openings.
- the radial extensions 9 of the spring extend from the inside of the arms.
- each arm of the spring is arranged to be curved in order to form an extension.
- the extension to a shape of an arc of a circle whose interface with the extension is made by the concave face of said support head 9 '.
- the present invention therefore aims to overcome the drawbacks of the aforementioned prior art by providing a shock absorbing bearing comprising a pierced stone and a counter-pivot stone assembled in a kitten suspended by a moving spring allowing a more progressive response to shocks.
- the invention relates to a shock absorbing bearing according to claim 1.
- the spring is formed of a curved strip in order to produce internal radial extensions arranged between annular parts, said internal radial extensions carrying the support head.
- the spring includes three regularly distributed extensions.
- the bearing comprises a support block 1 of circular shape delimiting a housing 6 whose center is pierced with a hole 2 to allow the passage of a pendulum axis 200 terminated by a tigeron 202.
- the support block 1 can either be an independent part driven out or fixed by any other means in the frame of the watch movement, or be part of another part of the movement, such as a bridge or a plate.
- the kitten 20 which supports the pierced stone 4 traversed by the tigeron 3a and the counter-pivot stone 5 is damped by a spring 12.
- the support block 1 comprises a peripheral rim 9 having two openings 10. These openings 10 are diametrically opposite and allowing the positioning of the spring 12.
- the peripheral rim 9 comprises projecting portions 11 extending at the level openings. More specifically, the two openings 10 making it possible to have a peripheral rim 9 in two identical parts. Each part comprises, at each end, a projecting portion 11 extending towards the center of the opening. These projecting portions 11 allow the spring 12 to bear thereon.
- the spring 12 is an annular spring.
- the spring 12 is a lyre spring.
- a spring 12 consists of two arms 12a in the form of an arc of a circle linked together, via a crosspiece 12b, at one of their ends, the whole forming a form of peripheral ring 12 '.
- This spring 12 thus has two free ends each comprising a support zone 12c.
- Such a support area 12c can be in the form of a curvature of each arm at its free end in order to widen the area.
- This configuration of the spring allows it to be installed in the housing 6 of the support block. Indeed, once the kitten 20 is in place, the spring 12 is installed.
- the spring 12 is installed so as to press the kitten into the housing while having the cross member 12b and the bearing zones 12c pressed against the projecting portions 11 of the peripheral rim.
- the spring 12 comprises at least one extension 13.
- This extension 13 extends from one of the arms 12a of the spring towards its center. This extension made of material with the spring 12 is used to exert a prestress on the counter-pivot stone and to bring the kitten back into the housing during an impact.
- the spring 12 is dimensioned so that only the extension is in contact with the counter-pivot stone.
- the arms 12a in the form of an arc of a circle are formed to have the same center and to form substantially a circle with a center C. This center C also becomes the center of the spring.
- the extension comprises, at its free end, a support head 14 made of material with the extension.
- This support head 14 has the shape of an arc of a circle whose interface with the extension 13 is made via the convex face of said arc of a circle.
- Each support head has an arc shape having a greater curvature than that of the arms forming the spring.
- the radius of the circular arc forming the support head is therefore greater than if this circular arc had a radius whose center was the center C of the spring. It is therefore understood that the center C 'of the arc of a circle of each arm is offset with the center C of the spring as visible on the figure 7 .
- the extension with its support head 14 therefore has a shape similar to a Tee.
- This design makes it possible to obtain a tee-shaped extension 13 whose arms have better contact with the stone against the pivot.
- the support head 14 of the extension 13 advantageously has a reverse curvature compared to that of the prior art described above. This allows to force contact with the stone "against pivot" in the ends since the support head has a shape tending to follow the shape of the stone against pivot.
- An advantage of this configuration is to have several contact points. Indeed, the shape of the support head 14 allows it to be, at rest, in contact with the counter-pivot stone 5 in two places E1 and E2. This increase in the number of contact points allows better stability of the support on the counter-pivot stone 5.
- the central area of the support head 14 is the most rigid part so that the deformation of this part 14 is less easy. Consequently, the greater the impact, the more the contact between the extension 13 of the spring 12 and the counter-pivot stone 5 is made on the most rigid zone of said extension. This thus provides better damping during large shocks.
- This configuration of spring 12 also makes it possible to have a better view of the lubricant.
- the lubricant is arranged between the pierced stone and the counter-pivot stone.
- the view on the center of the counter-pivot stone is released and defined. This is possible due to the shape of the support head or heads which tend to delimit an area. With an arc shape whose interface with the extension is through the concave face, the spring extensions must be longer and the support heads offer a visual not delimiting an area and blocking the view on the lubricant.
- each extension thus has its center C '.
- the spring 12 is a spring ring 120.
- a spring ring 301 comprises internal radial extensions 121 arranged between annular parts 122. These internal radial extensions 121 are formed by the band forming the ring 120 which is bent inwards of the ring the whole forming a form of peripheral ring 12 '. These internal radial extensions 121 are preferably regularly distributed around the turn of the flat ring 120 so that the latter can act in a homogeneous manner. These internal radial extensions 121 each comprise the support head 14 according to the invention. It is then understood that the spring ring 120 can be oriented in any way relative to the support block 1.
- This support block 1 also includes a peripheral rim provided with a peripheral projecting portion extending towards the interior of the block support.
- the peripheral projecting portion may include a notch allowing the spring ring 120 to be put in place, said peripheral projecting portion serving to retain the spring ring in place.
- the spring ring may include three internal radial extensions.
- the peripheral projecting portion may include three notches allowing the positioning of the spring ring via a bayonet insertion, said extension serving to retain the spring ring in place.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Springs (AREA)
- Vibration Dampers (AREA)
Description
La présente invention concerne un palier amortisseur de chocs pour une pièce d'horlogerie, et plus particulièrement le palier de l'axe de balancier d'une montre mécanique, permettant d'éviter la rupture du pivot de faible diamètre, situé à son extrémité, désigné par « tigeron », en cas d'un choc axial ou latéral, pouvant résulter simplement d'un mouvement brusque du poignet du porteur.The present invention relates to a shock-absorbing bearing for a timepiece, and more particularly the bearing of the balance axis of a mechanical watch, making it possible to avoid the rupture of the small diameter pivot, located at its end, designated by “tigeron”, in the event of an axial or lateral impact, which may simply result from a sudden movement of the wearer's wrist.
Les constructeurs de montres mécaniques ont conçu depuis longtemps de nombreux dispositifs permettant de faire absorber l'énergie résultant d'un choc, notamment d'un choc latéral, par l'axe en venant buter contre une paroi du trou du bloc de base qu'elle 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.Mechanical watch manufacturers have long designed numerous devices making it possible to absorb the energy resulting from a shock, in particular from a side impact, by the axis by abutting against a wall of the hole of the base block that it crosses, while allowing a temporary movement of the tigeron before it is returned to its rest position under the action of a spring.
Les
Un bloc 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 bloc support 1 par un ressort 10 qui comprend dans cet exemple des extensions radiales 9 comprimant la pierre contre-pivot 5. 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, le ressort 10 agit seul pour ramener l'axe de balancier 3 dans sa position initiale. 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. Le bloc support 1 comprend un rebord périphérique 11 dans lequel sont réalisées deux ouvertures 11a diamétralement opposées.A
Le ressort actuel est un ressort lyre sensiblement plat 10. Un tel ressort comprend une base à partir de laquelle deux bras s'étendent. Ces bras courbes sont symétriques et s'étendent pour donner une forme de lyre. Idéalement, les bras sont agencés pour former deux parties d'un même cercle dont le centre est le centre du ressort lyre. Chaque bras comprend, à son extrémité libre, un crochet permettant de prendre appui sur des portions saillantes 11b du rebord s'étendant au niveau des ouvertures.The current spring is a substantially
Les extensions radiales 9 du ressort s'étendent depuis l'intérieur des bras.The
Dans une variante visible à la
Cette configuration à pour inconvénient de d'avoir qu'un seule point d'appui par bras en toutes circonstances. Ce point de contact se situe dans la partie la plus rigide de l'extension. Cela provoque ainsi une réponse imparfaite du ressort. En effet, lors d'un faible choc, avoir un point d'appui dans la partie la plus rigide pourra entrainer une absorption de l'énergie par le tigeron alors qu'en cas de chocs important, aucune progressivité ne sera présente. D'autres exemples de paliers amortisseurs comportant un ressort annulaire sont présentés dans
La présente invention vise donc à pallier les inconvénients de l'art antérieur précité en procurant un palier amortisseur de chocs comportant une pierre percée et une pierre contre-pivot assemblées dans un chaton suspendu par un ressort lyre permettant une réponse plus progressive à des chocs.The present invention therefore aims to overcome the drawbacks of the aforementioned prior art by providing a shock absorbing bearing comprising a pierced stone and a counter-pivot stone assembled in a kitten suspended by a moving spring allowing a more progressive response to shocks.
A cet effet l'invention a pour objet un palier amortisseur de chocs selon la revendication 1.To this end the invention relates to a shock absorbing bearing according to
Le ressort est formé d'une bande courbée afin de réaliser des extensions radiales internes disposées entre des parties annulaires, lesdites extensions radiales internes portant les tête d'appui.The spring is formed of a curved strip in order to produce internal radial extensions arranged between annular parts, said internal radial extensions carrying the support head.
Le ressort comprend trois extensions régulièrement réparties.The spring includes three regularly distributed extensions.
D'autres caractéristiques et avantages de la présente invention apparaîtront plus clairement dans la description suivante d'un exemple de réalisation donné à titre illustratif et non limitatif en référence aux dessins annexés dans lesquels :
- les
figures 1 à 2 représentent en perspective un palier amortisseur de chocs selon l'art antérieur; - la
figure 3 représente un ressort de palier amortisseur de chocs selon l'art antérieur; - les
figures 4 à 6 correspondent à un palier amortisseur de chocs et son ressort selon un mode de réalisation non couvert par les revendications; - la
figure 7 est une variante de réalisation du ressort visible à lafigure 6 ; - la
figure 8 est une autre variante de réalisation du ressort visible à lafigure 6 ; - la
figure 9 représente un mode de réalisation d'un ressort selon l'invention
- the
Figures 1 to 2 show in perspective a shock absorbing bearing according to the prior art; - the
figure 3 represents a shock absorbing bearing spring according to the prior art; - the
figures 4 to 6 correspond to a shock absorbing bearing and its spring according to an embodiment not covered by the claims; - the
figure 7 is an alternative embodiment of the spring visible on thefigure 6 ; - the
figure 8 is another alternative embodiment of the spring visible on thefigure 6 ; - the
figure 9 represents an embodiment of a spring according to the invention
En se référant essentiellement aux
Le palier comporte un bloc support 1 de forme circulaire délimitant un logement 6 dont le centre est percé d'un trou 2 pour permettre le passage d'un axe de balancier 200 terminé par un tigeron 202.The bearing comprises a
Le bloc support 1 peut être, soit une pièce indépendante chassée ou fixée par tout autre moyen dans le bâti du mouvement horloger, soit faire partie d'une autre pièce du mouvement, tel qu'un pont ou une platine.The
Comme on peut le voir, le chaton 20 qui supporte la pierre percée 4 traversée par le tigeron 3a et la pierre contre-pivot 5 est amorti par un ressort 12.As can be seen, the
En effet, le bloc support 1 comprend un rebord périphérique 9 comportant deux ouvertures 10. Ces ouvertures 10 sont diamétralement opposées et permettant la mise en place du ressort 12. En effet, le rebord périphérique 9 comprend des portions saillantes 11 s'étendant au niveau des ouvertures. Plus précisément, les deux ouvertures 10 permettant d'avoir un rebord périphérique 9 en deux parties identiques. Chaque partie comprend, à chaque extrémité, une portion saillante 11 s'étendant vers le centre de l'ouverture. Ces portions saillantes 11 permettent au ressort 12 d'y prendre appui. Le ressort 12 est un ressort de forme annulaire.Indeed, the
Dans un premier mode de réalisation visible à la
Cette configuration du ressort permet à celui-ci d'être installé dans le logement 6 du bloc support. En effet, une fois le chaton 20 mis en place, le ressort 12 est installé. Le ressort 12 est installé de sorte à plaquer le chaton dans le logement tout en ayant la traverse 12b et les zones d'appui 12c plaquées contre les portions saillantes 11 du rebord périphérique.This configuration of the spring allows it to be installed in the
Pour amortir le chaton lors d'un choc, le ressort 12 comprend au moins une extension 13. Cette extension 13 s'étend depuis l'un des bras 12a du ressort vers son centre. Cette extension faite de matière avec le ressort 12 est utilisé pour exercer une précontrainte sur la pierre contre-pivot et pour ramener le chaton dans le logement lors d'un choc.To dampen the kitten during an impact, the
Le ressort 12 est dimensionné afin que seule l'extension soit au contact de la pierre contre-pivot. De même, les bras 12a en forme d'arc de cercle sont formés pour avoir le même centre et former sensiblement un cercle de centre C. Ce centre C devient également le centre du ressort.The
Astucieusement selon l'invention, l'extension comprend, à son extrémité libre, une tête d'appui 14 faite de matière avec l'extension. Cette tête appui 14 présente une forme d'arc de cercle dont l'interface avec l'extension 13 est faite via la face convexe dudit arc de cercle. Chaque tête d'appui à une forme d'arc de cercle ayant une courbure plus importante que celle des bras formant le ressort. Le rayon de l'arc de cercle formant la tête d'appui est donc plus important que si cet arc de cercle avait un rayon dont el centre était le centre C du ressort. On comprend donc que le centre C' de l'arc de cercle de chaque bras est décalé avec le centre C du ressort comme visible à la
Cette conception permet d'obtenir une extension 13 en forme de té dont les bras ont un meilleur contact avec la pierre contre pivot. La tête d'appui 14 de l'extension 13 présente avantageusement une courbure inverse par rapport à celle de l'art antérieur décrit précédemment. Cela permet de forcer le contact avec la pierre « contre pivot » dans les extrémités puisque la tête d'appui à une forme tendant à épouser la forme de la pierre contre-pivot.This design makes it possible to obtain a tee-shaped
Un avantage de cette configuration est d'avoir plusieurs points de contacts. Effectivement, la forme de la tête d'appui 14 lui permet d'être, au repos, au contact de la pierre contre-pivot 5 en deux endroits E1 et E2. Cette augmentation du nombre de point de contact permet d'avoir une meilleure stabilité de l'appui sur la pierre contre-pivot 5.An advantage of this configuration is to have several contact points. Indeed, the shape of the
Lors d'un choc, le chaton 20 est déplacé par l'axe et son tigeron. Ce déplacement du chaton 20 est amorti par le ressort 12. Ce ressort 12 sous l'effet de la contrainte exercée par le chaton 20, se déforme. Dans le cas du ressort 12 selon l'invention, la déformation suite à un choc a pour effet de décaler les points de contacts E1, E2. Ces points de contacts E1, E2 ont ainsi tendance à se rapprocher du centre de la tête d'appui 14. Ce décalage des points de contacts E1, E2 est dû à la forme spécifique de la tête d'appui.During an impact, the
Or, la zone centrale de la tête d'appui 14 est la partie la plus rigide de sorte que la déformation de cette partie 14 est moins aisée. Par conséquent, plus le choc est important et plus le contact entre l'extension 13 du ressort 12 et la pierre contre-pivot 5 se fait sur la zone la plus rigide de ladite extension. Cela permet ainsi d'obtenir un meilleur amortissement lors de grands chocs.However, the central area of the
Cette configuration de ressort 12 permet également d'avoir une meilleure vue sur le lubrifiant. Dans un chaton 20 tel que décrit, le lubrifiant est agencé entre la pierre percée et la pierre contre-pivot. Avec la configuration de l'extension 13 et notamment de la tête d'appui, la vue sur le centre de la pierre contre-pivot est libérée et définie. Cela est possible de par la forme de la ou des têtes d'appui qui tendent à délimiter une zone. Avec une forme d'arc de cercle dont l'interface avec l'extension se fait par la face concave, les extensions du ressort doivent être plus longues et les têtes d'appuis offre un visuel ne délimitant pas de zone et bouchant la vue sur le lubrifiant.This configuration of
Dans une variante visible à la
Dans une autre variante visible à la
Dans un second mode de réalisation visible à la
Préférentiellement, l'anneau ressort pourra comprendre trois extensions radiales internes. Dans ce cas-là, la portion saillante périphérique pourra comprendre trois encoches permettant la mise en place de l'anneau ressort via une insertion en baïonnette, ladite extension servant à retenir l'anneau ressort en place.Preferably, the spring ring may include three internal radial extensions. In this case, the peripheral projecting portion may include three notches allowing the positioning of the spring ring via a bayonet insertion, said extension serving to retain the spring ring in place.
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 a person skilled in the art can be made to the various embodiments of the invention described above without departing from the scope of the invention defined by the appended claims.
Claims (7)
- Shock-absorbing bearing for a pivot-shank (3a) of an arbour (3) of a wheel set of a timepiece including a support block (1) intended to be driven in, fixed or formed in the frame of said timepiece, said support block (1) being provided with a recess (6) intended to receive a spring (12) with axial deformation and a setting (20) supporting a perforated jewel (4) through which the pivot-shank (3a) passes and an endstone (5), the spring (12) being arranged in the recess (6) between the setting and at least one protruding portion of a peripheral rim of the support block, the spring (12) being formed by a peripheral ring (12') from which at least one extension (13, 121) provided with a bearing head (14) in contact with the endstone extends, this bearing head having the shape of an arc of a circle, the interface whereof with the extension occurs via the convex face thereof, characterised in that the spring is a spring ring (120) comprising three inner radial extensions (121) disposed between annular parts (122), these three inner radial extensions (121) being constituted from the strip forming the ring (120) which is curved towards the interior of the ring while forming a peripheral ring shape (12'), each of the inner radial extensions (121) comprising a bearing head (14), and being evenly distributed along the perimeter of the ring (120) such that the latter can act in a homogeneous manner.
- Shock-absorbing bearing according to claim 1, characterised in that said spring includes two arms (12a) having the shape of an arc of a circle, connected to one another by a crosspiece (12b) and having two free ends, each comprising a bearing area (12c), said at least one extension extending from one of the two arms (12a).
- Shock-absorbing bearing according to claim 2, characterised in that said bearing head (14) has a curvature that is greater than that of the arms (12a).
- Shock-absorbing bearing according to claim 1, characterised in that said spring is formed by a curved strip in order to produce inner radial extensions (121) disposed between annular parts (122), said inner radial extensions (121) carrying the bearing heads.
- Shock-absorbing bearing according to one of the preceding claims, characterised in that the spring comprises two diametrically opposed extensions.
- Shock-absorbing bearing according to one of the preceding claims, characterised in that the spring comprises three extensions.
- Shock-absorbing bearing according to claim 6, characterised in that the three extensions are evenly distributed.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP16186261.0A EP3291026B1 (en) | 2016-08-30 | 2016-08-30 | Shock-absorbing bearing for a clock piece |
CN201721029367.1U CN207133591U (en) | 2016-08-30 | 2017-08-17 | Damper bearing for timepiece |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP16186261.0A EP3291026B1 (en) | 2016-08-30 | 2016-08-30 | Shock-absorbing bearing for a clock piece |
Publications (2)
Publication Number | Publication Date |
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EP3291026A1 EP3291026A1 (en) | 2018-03-07 |
EP3291026B1 true EP3291026B1 (en) | 2020-01-01 |
Family
ID=56842737
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16186261.0A Active EP3291026B1 (en) | 2016-08-30 | 2016-08-30 | Shock-absorbing bearing for a clock piece |
Country Status (2)
Country | Link |
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EP (1) | EP3291026B1 (en) |
CN (1) | CN207133591U (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3671368B1 (en) | 2018-12-20 | 2022-11-23 | The Swatch Group Research and Development Ltd | Bearing, in particular shock absorber device, and rotating part of a clock movement |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH208022A (en) * | 1938-10-13 | 1939-12-31 | Colomb Henri | Shock absorbing bearing. |
CH257780A (en) * | 1945-05-02 | 1948-10-31 | Widmer Steiner Jean | Device for the elastic fixing of a bearing, in particular of a bearing for a watch balance axis. |
FR1007329A (en) * | 1949-12-17 | 1952-05-05 | Improvement in clockwork and similar mechanisms | |
CH294057A (en) * | 1950-10-19 | 1953-10-31 | Parechoc Sa | Device for mounting a clockwork axis counter-pivot on its support. |
CH325895A (en) * | 1955-06-25 | 1957-11-30 | Seitz & Co | Bumper bearing |
CH335173A (en) * | 1957-01-28 | 1958-12-31 | Schwartzmann Marcel Auguste An | Shock-absorbing bearing for watchmaking mobile |
FR1532798A (en) | 1967-07-21 | 1968-07-12 | Shock-absorbing bearing for watchmaking mobile | |
JPS5226569U (en) * | 1975-08-14 | 1977-02-24 | ||
EP1705537B1 (en) * | 2005-03-23 | 2008-05-14 | Rolex S.A. | Shock-proof bearing for timepiece |
-
2016
- 2016-08-30 EP EP16186261.0A patent/EP3291026B1/en active Active
-
2017
- 2017-08-17 CN CN201721029367.1U patent/CN207133591U/en active Active
Non-Patent Citations (1)
Title |
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None * |
Also Published As
Publication number | Publication date |
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EP3291026A1 (en) | 2018-03-07 |
CN207133591U (en) | 2018-03-23 |
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