EP1695154B1 - Bearing unit equipped with a bearing and a regulator - Google Patents

Bearing unit equipped with a bearing and a regulator Download PDF

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Publication number
EP1695154B1
EP1695154B1 EP04797253.4A EP04797253A EP1695154B1 EP 1695154 B1 EP1695154 B1 EP 1695154B1 EP 04797253 A EP04797253 A EP 04797253A EP 1695154 B1 EP1695154 B1 EP 1695154B1
Authority
EP
European Patent Office
Prior art keywords
bearing
bridge
bearing block
assembly according
regulator
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.)
Active
Application number
EP04797253.4A
Other languages
German (de)
French (fr)
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EP1695154A1 (en
Inventor
Willy Cleusix
Norbert Perucchi
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.)
Incabloc SA
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Incabloc SA
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Publication date
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Publication of EP1695154A1 publication Critical patent/EP1695154A1/en
Application granted granted Critical
Publication of EP1695154B1 publication Critical patent/EP1695154B1/en
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Classifications

    • GPHYSICS
    • G04HOROLOGY
    • G04BMECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B18/00Mechanisms for setting frequency
    • G04B18/02Regulator or adjustment devices; Indexing devices, e.g. raquettes
    • G04B18/025Fixing of the indexing device
    • GPHYSICS
    • G04HOROLOGY
    • G04BMECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B18/00Mechanisms for setting frequency
    • G04B18/02Regulator or adjustment devices; Indexing devices, e.g. raquettes
    • G04B18/021Regulator or adjustment devices; Indexing devices, e.g. raquettes adjusting the indexing device from the outside
    • GPHYSICS
    • G04HOROLOGY
    • G04BMECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B31/00Bearings; Point suspensions or counter-point suspensions; Pivot bearings; Single parts therefor
    • G04B31/02Shock-damping bearings
    • G04B31/04Shock-damping bearings with jewel hole and cap jewel

Definitions

  • the document CH 153542 describes a set of a motion bridge and a conventional bearing block.
  • the objects of the invention are thus to propose a bearing block provided with a bearing, preferably a shock-absorbing pad, and a racket, not meeting the mentioned drawbacks of the parts of the bearing.
  • a movement comprising such a block and a timepiece equipped with such a movement.
  • an assembly comprising a bridge and a bearing block provided with a pad and a racket, as described in claim 1, a movement timepiece as described in claim 9 and a timepiece as described in claim 10.
  • the pad 3 and the racket parts 4 are mounted on a bearing block 2 independent of the bridge 1, but intended to be fixed thereto.
  • the lower portion of the block 2 carrying the pad 3 and the racket pieces 4 comprises a cylindrical surface 20 adapted to be driven into a through hole 11 formed in the recess 10 of the bridge 1.
  • the cylindrical bearing 20 is coaxial with the axis of rotation of the mobile (not shown in the figures) carried by the pad.
  • the block 2 is supported by its lower face 21 on an upper face 12 of the recess 10.
  • the description above, as well as the figures, relate to a particular embodiment of a device according to the invention.
  • Other forms of execution are also possible.
  • the bearing block is fully housed in a recess arranged in the bridge; it could just as well have a recess that can accept only a portion of the bearing block or an independent bearing block mounted directly on one side of the bridge.
  • the fixing means of the bearing block with the bridge may be different from those described above, depending essentially on the shape and constitution of these two elements, such as an attachment with one or more screws.
  • the pad incorporated in the bearing block is a pad provided with shock absorbing means; it could just as well be any other type of pad.
  • the racket shown in the figures is only a particular embodiment of a racket for adjusting the oscillation frequency of the spiral.
  • Other embodiments of such an organ are possible; in particular it is not essential that all parts of the racket are disposed on the bearing block, some of them, for example those used to actuate the racket, could also be fixed directly on the bridge.
  • a bearing block determined, equipped as indicated above can be mounted on a bridge, respectively a movement or a timepiece of any shape or size; likewise, a given bridge can receive different forms of execution of bearing blocks.

Description

La présente invention concerne un ensemble comprenant un pont d'un mouvement d'horlogerie et un bloc palier muni d'un coussinet et d'une raquette, destiné à être monté dans un mouvement de pièce d'horlogerie.The present invention relates to an assembly comprising a bridge of a clockwork movement and a bearing block provided with a pad and a racket, intended to be mounted in a timepiece movement.

L'incorporation d'un coussinet, en particulier un coussinet amortisseur de chocs sur un palier monté directement dans un pont d'un mouvement de pièce d'horlogerie est connue de longue date. Il en est de même pour l'incorporation des pièces de la raquette, soit de l'ensemble des pièces servant au réglage de la fréquence d'oscillation du spiral, au dispositif précédent. Bien que cette technologie soit couramment utilisée, elle présente néanmoins quelques inconvénients. Le montage d'un palier muni d'un coussinet ainsi que des pièces de la raquette directement sur un pont nécessite au moins deux usinages de positionnement de précision sur le pont ; vu les autres usinages déjà nécessaires à la fabrication de ce pont, cette configuration augmente la difficulté de fabrication du pont, respectivement son coût. Par ailleurs, en montant le coussinet et la raquette directement sur le pont, ces pièces sont posées lors d'une étape d'achèvement du montage du mouvement ; par conséquent elles sont susceptibles d'être posées et réglées par du personnel non directement spécialisé. Un autre inconvénient de cette technologie réside dans le fait qu'il est nécessaire de conserver en stock des ponts complets, c'est-à-dire munis du coussinet et de la raquette, ce qui augmente inutilement le coût de stockage de ces éléments.The incorporation of a bushing, in particular a shock absorbing bushing on a bearing mounted directly in a bridge of a timepiece movement has been known for a long time. It is the same for the incorporation of the parts of the racket, or all parts used to adjust the oscillation frequency of the spiral, the previous device. Although this technology is commonly used, it nevertheless has some disadvantages. Mounting a bearing with a pad and parts of the racket directly on a bridge requires at least two precision positioning machining on the bridge; given the other machining already necessary for the manufacture of this bridge, this configuration increases the difficulty of manufacturing the bridge, respectively its cost. Moreover, by mounting the pad and the racket directly on the bridge, these parts are posed during a step of completion of the assembly of the movement; therefore they are likely to be posed and regulated by non-specialized staff. Another disadvantage of this technology is that it is necessary to keep in stock complete bridges, that is to say provided with the pad and the racket, which unnecessarily increases the cost of storage of these elements.

Le document CH 153542 décrit un ensemble d'un pont de mouvement et d'un bloc palier conventionnel.The document CH 153542 describes a set of a motion bridge and a conventional bearing block.

Afin de pallier à ces inconvénients, les buts de l'invention sont donc de proposer un bloc palier muni d'un coussinet, de préférence un coussinet amortisseur de chocs, et d'une raquette, ne rencontrant pas les inconvénients mentionnés des pièces de l'art antérieur, un mouvement comprenant un tel bloc ainsi qu'une pièce d'horlogerie équipée d'un tel mouvement.In order to overcome these drawbacks, the objects of the invention are thus to propose a bearing block provided with a bearing, preferably a shock-absorbing pad, and a racket, not meeting the mentioned drawbacks of the parts of the bearing. prior art, a movement comprising such a block and a timepiece equipped with such a movement.

Ces buts sont obtenus par un ensemble comprenant un pont et un bloc palier muni d'un coussinet et d'une raquette, tel que décrit dans la revendication 1, un mouvement d'horlogerie tel que décrit dans la revendication 9 ainsi qu'une pièce d'horlogerie telle que décrite dans la revendication 10.These objects are obtained by an assembly comprising a bridge and a bearing block provided with a pad and a racket, as described in claim 1, a movement timepiece as described in claim 9 and a timepiece as described in claim 10.

D'autres formes d'exécution ou variantes sont décrites dans les revendications dépendantes.Other embodiments or variants are described in the dependent claims.

D'autres avantages de l'invention apparaissent encore à la lecture de la description ci-dessous d'une forme d'exécution d'un bloc palier, d'un mouvement et d'une pièce d'horlogerie selon l'invention, cette description étant à considérer en regard du dessin annexé comportant les figures où :

  • la figure 1 est une vue par-dessus d'une forme d'exécution particulière d'un bloc palier selon l'invention, et
  • la figure 2 est une coupe selon la ligne II-II de la figure précédente.
Other advantages of the invention appear further on reading the following description of an embodiment of a bearing block, a movement and a timepiece according to the invention, this description being to be considered with reference to the appended drawing comprising the figures in which:
  • the figure 1 is a view over a particular embodiment of a bearing block according to the invention, and
  • the figure 2 is a section along the line II-II of the previous figure.

Sur les figures on distingue une portion du pont 1 dont un évidement 10 permet de loger un bloc 2 muni d'un coussinet 3, ainsi que des pièces de raquette 4, soit l'ensemble de pièces permettant le réglage de la fréquence d'oscillation du ressort spiral, ce dernier n'étant pas représenté sur ces figures. Les figures montrent une forme d'exécution particulière où le coussinet 3 comprend des moyens connus d'amortissement de chocs.In the figures there is a portion of the bridge 1, a recess 10 can accommodate a block 2 provided with a pad 3, and racket parts 4, the set of parts for adjusting the oscillation frequency spiral spring, the latter not being shown in these figures. The figures show a particular embodiment where the pad 3 comprises known shock absorbing means.

Comme on le voit particulièrement sur la figure 2, le coussinet 3 et les pièces de raquette 4 sont montées sur un bloc palier 2 indépendant du pont 1, mais destiné à être fixé sur ce dernier. La portion inférieure du bloc 2, portant le coussinet 3 ainsi que les pièces de raquette 4 comprend une portée cylindrique 20 apte à être chassée dans un trou traversant 11 aménagé dans l'évidement 10 du pont 1. De préférence, comme représenté ici, la portée cylindrique 20 est coaxiale avec l'axe de rotation du mobile (non représenté sur les figures) porté par le coussinet. Par ailleurs, le bloc 2 est en appui par sa face inférieure 21 sur une face supérieure 12 de l'évidement 10.As we see particularly on the figure 2 the pad 3 and the racket parts 4 are mounted on a bearing block 2 independent of the bridge 1, but intended to be fixed thereto. The lower portion of the block 2 carrying the pad 3 and the racket pieces 4 comprises a cylindrical surface 20 adapted to be driven into a through hole 11 formed in the recess 10 of the bridge 1. Preferably, as shown here, the cylindrical bearing 20 is coaxial with the axis of rotation of the mobile (not shown in the figures) carried by the pad. Furthermore, the block 2 is supported by its lower face 21 on an upper face 12 of the recess 10.

On voit donc bien que l'usinage du pont 1 est nettement simplifié relativement à celui nécessaire à la fabrication d'un pont muni directement d'un coussinet amortisseur et de la raquette, vu que, dans le cas d'un mouvement muni d'un bloc palier selon l'invention, seuls l'évidement 10 et le trou traversant 11 sont à usiner sur le pont.It can thus be clearly seen that the machining of the bridge 1 is clearly simplified relative to that required for the manufacture of a bridge provided directly with a damping pad and the racket, since, in the case of a movement provided with a bearing block according to the invention, only the recess 10 and the through hole 11 are to be machined on the bridge.

La fabrication séparée d'éléments constitués chacun d'un bloc palier munis d'un coussinet amortisseur de choc et des pièces de raquette, indépendamment de la fabrication du pont, par du personnel dédié à cet effet, a l'avantage d'améliorer la régularité de fabrication de ces éléments de même que leur régularité de réglage.The separate manufacture of elements each consisting of a bearing block provided with a shock absorbing pad and racket parts, regardless of the manufacture of the bridge, by dedicated personnel for this purpose, has the advantage of improving the regularity of manufacture of these elements as well as their regularity of adjustment.

La description ci-dessus, de même que les figures, concernent une forme d'exécution particulière d'un dispositif selon l'invention. D'autres formes d'exécution sont aussi possibles. Par exemple il n'est pas indispensable que le bloc palier soit entièrement logé dans un évidement aménagé dans le pont ; on pourrait tout aussi bien avoir un évidement pouvant n'accepter qu'une portion du bloc palier ou alors un bloc palier indépendant monté directement sur une face du pont. De même, les moyens de fixation du bloc palier avec le pont peuvent être différents de ceux décrits précédemment, dépendant essentiellement de la forme et de la constitution de ces deux éléments, comme par exemple une fixation par une ou plusieurs vis. Comme indiqué plus haut, il n'est pas indispensable à l'invention que le coussinet incorporé dans le bloc palier soit un coussinet muni de moyens d'amortissement de chocs ; il pourrait tout aussi bien s'agir de tout autre type de coussinet. Enfin, la raquette représentée sur les figures n'est qu'une forme d'exécution particulière d'une raquette permettant le réglage de la fréquence d'oscillation du spiral. D'autres formes d'exécution d'un tel organe sont possibles ; en particulier il n'est pas indispensable que toutes les pièces de la raquette soient disposées sur le bloc palier, certaines d'entre elles, par exemple celles servant à actionner la raquette, pourraient aussi être fixées directement sur le pont.The description above, as well as the figures, relate to a particular embodiment of a device according to the invention. Other forms of execution are also possible. For example it is not essential that the bearing block is fully housed in a recess arranged in the bridge; it could just as well have a recess that can accept only a portion of the bearing block or an independent bearing block mounted directly on one side of the bridge. Similarly, the fixing means of the bearing block with the bridge may be different from those described above, depending essentially on the shape and constitution of these two elements, such as an attachment with one or more screws. As indicated above, it is not essential to the invention that the pad incorporated in the bearing block is a pad provided with shock absorbing means; it could just as well be any other type of pad. Finally, the racket shown in the figures is only a particular embodiment of a racket for adjusting the oscillation frequency of the spiral. Other embodiments of such an organ are possible; in particular it is not essential that all parts of the racket are disposed on the bearing block, some of them, for example those used to actuate the racket, could also be fixed directly on the bridge.

Il est bien entendu qu'un bloc palier déterminé, équipé comme indiqué précédemment peut être monté sur un pont, respectivement un mouvement ou une pièce d'horlogerie de n'importe quelle forme ou dimension ; de même, un pont déterminé peut recevoir différentes formes d'exécution de blocs paliers. Ces dernières caractéristiques permettent d'améliorer et de simplifier notablement la tenue des stocks de produits semi-finis.It is understood that a bearing block determined, equipped as indicated above can be mounted on a bridge, respectively a movement or a timepiece of any shape or size; likewise, a given bridge can receive different forms of execution of bearing blocks. These latter characteristics make it possible to improve and simplify significantly the holding of stocks of semi-finished products.

Claims (8)

  1. An assembly comprising
    a bridge (1) of a clockwork mechanism provided with a recess (10) ; and
    a bearing block (2) on which is mounted a bearing (3) and at least one portion of the constitutive parts of a regulator (4),
    the bearing block provided with said bearing and with said at least one portion of the constitutive parts of a regulator being able to be housed in said recess,
    characterized in that said bearing block comprises a lower supporting surface (21) bearing upon an upper face (12) of the recess.
  2. The assembly according to claim 1, characterized in that the bearing (3) comprises shock absorbing means.
  3. The assembly according to one of the preceding claims, characterized in that the bearing block comprises means for attachment to the clockwork mechanism bridge.
  4. The assembly according to claim 3, characterized in that said attachment means comprise a cylindrical span (20) intended for attaching said bearing block, by driving it into a through-hole (11) made in the bridge.
  5. The assembly according to claim 4, characterized in that the cylindrical span is coaxial with the axis of rotation of a mobile borne by the bearing.
  6. The assembly according to one of the preceding claims, characterized in that all the constitutive parts of a regulator (4) are positioned on said bearing block.
  7. A clockwork mechanism provided with an assembly according to one of the preceding claims.
  8. A timepiece comprising a clockwork mechanism according to claim 7.
EP04797253.4A 2003-12-19 2004-11-18 Bearing unit equipped with a bearing and a regulator Active EP1695154B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH21912003 2003-12-19
PCT/CH2004/000696 WO2005059663A1 (en) 2003-12-19 2004-11-18 Bearing unit equipped with a bearing and a regulator

Publications (2)

Publication Number Publication Date
EP1695154A1 EP1695154A1 (en) 2006-08-30
EP1695154B1 true EP1695154B1 (en) 2014-02-26

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Application Number Title Priority Date Filing Date
EP04797253.4A Active EP1695154B1 (en) 2003-12-19 2004-11-18 Bearing unit equipped with a bearing and a regulator

Country Status (2)

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EP (1) EP1695154B1 (en)
WO (1) WO2005059663A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH702722A1 (en) * 2010-02-26 2011-08-31 Mps Micro Prec Systems Ag Bearing for a rocker arm axis of a timepiece and a timepiece equipped with such a bearing.
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

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH153542A (en) * 1931-02-10 1932-03-31 Lecoultre Ferdinand Racket for clockwork movement.
DE1990874U (en) * 1967-12-18 1968-08-01 Gebr. Junghans G.m.b.H., 7230 Schramberg Shock-proof balance shaft bearing

Also Published As

Publication number Publication date
EP1695154A1 (en) 2006-08-30
WO2005059663A1 (en) 2005-06-30

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