EP3070544B1 - Lager für eine uhr - Google Patents

Lager für eine uhr Download PDF

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Publication number
EP3070544B1
EP3070544B1 EP16160180.2A EP16160180A EP3070544B1 EP 3070544 B1 EP3070544 B1 EP 3070544B1 EP 16160180 A EP16160180 A EP 16160180A EP 3070544 B1 EP3070544 B1 EP 3070544B1
Authority
EP
European Patent Office
Prior art keywords
bearing
pivot
outer part
counter
elastic member
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
EP16160180.2A
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English (en)
French (fr)
Other versions
EP3070544A1 (de
Inventor
Boris LEIMGRUBER
Cyrille Clot
Loïc Pellaton
Lucas Humair
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.)
Manufacture et Fabrique de Montres et Chronometres Ulysse Nardin Le Locle SA
Original Assignee
Manufacture et Fabrique de Montres et Chronometres Ulysse Nardin Le Locle SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Manufacture et Fabrique de Montres et Chronometres Ulysse Nardin Le Locle SA filed Critical Manufacture et Fabrique de Montres et Chronometres Ulysse Nardin Le Locle SA
Priority to EP21169119.1A priority Critical patent/EP3869281A1/de
Publication of EP3070544A1 publication Critical patent/EP3070544A1/de
Application granted granted Critical
Publication of EP3070544B1 publication Critical patent/EP3070544B1/de
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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • 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 the field of watchmaking. It relates, more particularly, to an anti-shock bearing comprising a bearing and a counter-pivot independent from one another.
  • the documents CH 255756 and CH 278334 offer shock-resistant bearings in which the pierced stone, which acts as a cushion, is suspended in a floating manner in its housing by means of an elastic element.
  • This elastic element is held in position by the support of the kitten which carries the counter-pivot.
  • the counter-pivot is subjected to the effect of a return spring which maintains it and which guarantees the axial positioning of the elastic element.
  • the documents CH 333250 , CH 243388 , CH 333591 and CH 296070 disclose bearings in which at least the drilled stone is supported in the housing by means of a one-piece rubber or elastomer ring.
  • the choice of material for the elastic member of these documents is clearly not satisfactory for long term use of the bearing. Rubber and elastomers typically degrade over time and due to inevitable contact with oil, requiring their periodic replacement. In addition, these materials require a form of simple one-piece ring, which is very limited in terms of the possibilities. for the optimization of the mechanical properties of the elastic member.
  • An elastic member of modern shape, having an outer part, a central part, as well as at least one elastic element connecting these two, has significantly more freedom compared to a simple ring in terms of its design, and therefore its properties. mechanical according to all degrees of freedom.
  • the document CH 245429 unveils a bearing comprising a spring element which supports the stone pierced in a central ring.
  • the spring element has bosses located at the end of four elastic arms, the bosses taking place in a groove so that they exert a force on the bottom of the latter.
  • the radial positioning of the drilled stone is very sensitive to the tolerances of the four arms, and its assembly is difficult because it requires the arms to be clipped almost simultaneously into the groove. Furthermore, this groove serves to position the spring element axially.
  • the document CH 313812 discloses a bearing in which a kitten carrying the two stones is supported by means of an elastic ring comprising bulges extending outwardly and inwardly.
  • This elastic ring has very low flexibility perpendicular to its plane, and in view of the fact that the single kitten also carries the counter-pivot, an axial displacement between the housing and the elastic element and / or between the elastic element and the kitten arises during an axial impact.
  • either the kitten will slide against the interior bulges, or the exterior bulges will slide against the wall of the housing, during an axial impact, or both. This slippage will lead to wear of the bulges and / or of the bezel and / or of the housing, and therefore the positioning of the pierced stone is not guaranteed in the long term.
  • the document CH 292136 describes yet another embodiment of a bearing, in which the elastic member consists of a wire spring.
  • This wire spring is maintained and positioned axially in the housing by being wedged between a shoulder and a ring driven into the housing above the wire spring.
  • This bearing is complex and difficult to dismantle for maintenance thanks to said driven ring.
  • the document US 2,700,273 describes a bearing in which a ring of circular section is located at the bottom of the housing and against which a bevelled wall of the kitten rests in order to position the kitten radially, but not axially.
  • the bevelled wall slides on the ring in order to make the kitten move against a spring.
  • the kitten is therefore not integral with the ring, and is free to move relative to the latter, which does not guarantee good positioning of the pierced stone.
  • the document FR 2020047 describes a bearing integrated into a racket, and is mounted on the rooster through the latter. This level is complex and seems very difficult, if not impossible, to implement while maintaining an acceptable tolerance of the position of the pierced stone. The correct positioning of the latter is therefore difficult to ensure.
  • the document CH 262967 describes a bearing without chaton in which an elastic member carrying the drilled stone, a spacer in the form of a ring as well as a counterpivot stone are stacked in a housing and are held there by means of the forces of a spring ring applied axially on the upper face of the counterpivot stone. These elements are simply placed on top of each other in the housing with play, which does not ensure their correct positioning at all times.
  • the aim of the invention is to provide anti-shock bearings in which the aforementioned defects are at least partially overcome.
  • the invention relates to an anti-shock bearing for a timepiece, as defined by independent claim 1.
  • Preferred variants are defined in the dependent claims.
  • This bearing comprises a housing comprising a wall and a bottom, and an opening in said bottom, said opening being intended to receive a shank with an axis, such as a balance axis.
  • an elastic member comprising an outer part adapted to position the elastic member, a central part comprising a pad located in front of said opening, and at least one elastic element connecting said outer part to said part.
  • the bearing comprises, as generally known, a hole intended to receive the extension of the axis.
  • the pad can be formed by a separate part fixed to the central part, such as by a stone drilled in synthetic precious stone, a ring made of metallic material or of silicon-based material (such as mono- or polycrystalline silicon, its oxide, its nitride, its carbide, also mono or polycrystalline), or can be integral with the central part.
  • a counter-pivot is located in the housing opposite the pad, where it is supported by a kitten located in the housing.
  • the counter-pivot is subjected to a force exerted by a return spring arranged to push it in the direction of said bottom of the housing, and therefore to maintain it in its rest position.
  • the counter-pivot can be a counter-pivot stone made of synthetic precious stone, an element made of metallic material or of silicon-based material (such as mono- or polycrystalline silicon, its oxide, its nitride, its carbide, also mono- or polycrystalline silicon. or polycrystalline).
  • the outer part of the elastic member which may for example take substantially the form of a ring, is fixed to the kitten.
  • This fixing can be obtained by welding, brazing, gluing, pinning.
  • the outer part of the elastic member can be held in the kitten by friction generated by elastic forces exerted between said outer part and an internal wall of the kitten by driving under elastic regime, additional elastic tongues or fingers or similar. Consequently, the elastic member is well positioned relative to the kitten and therefore to the counter-pivot at all times, even in the event of a very severe impact.
  • the kitten comprises an inner shoulder in which said outer part takes place.
  • the axial positioning of the elastic element relative to the kitten can therefore be easily guaranteed.
  • said shoulder has a height less than the thickness of said outer part, so that, in the rest position of the bearing, said outer part is in contact with the bottom of the housing, said kitten remaining out of contact with said bottom of the bearing. lodging.
  • chaton and the counter-pivot are integral and therefore be in one piece, for example in the case of manufacture by micromachining.
  • the bottom of the housing comprises a shoulder arranged to be in contact with the outer part of the elastic member. Consequently, the elastic element and the central part of the elastic member are not in contact with the bottom of the housing, and applies for any embodiment stated above.
  • the figures 1 to 4 illustrate a shock-proof bearing serving as an example not forming the subject of the invention, in the rest position.
  • the geometric axis of the bearing is defined as being perpendicular to the intersection of the axes AA and BB indicated on the figure 2 .
  • the “radial” and “axial” directions are therefore understood with respect to the axis of the bearing.
  • This bearing comprises, as is generally the case, a housing 3 in which the components of the bearing are housed.
  • this housing 3 is formed in a cup intended to be secured to a frame element of a timepiece movement, such as a plate or a bridge.
  • the housing 3 can be formed directly in the body of a plate or a bridge, by machining it there directly.
  • the housing is delimited by a bottom 3a, extending in a plane perpendicular to the axis of the bearing 1, and by a wall 3b, substantially cylindrical, which extends perpendicular to the plane of the bottom 3a and parallel to the bearing axis 1.
  • the housing 3 comprises, as is generally known, a central opening 5 in its bottom 3a, substantially coaxial with the housing, and in which a rod with a pivot pin (not shown), such as a balance pin, is intended to take place.
  • a pivot pin such as a balance pin
  • the bottom 3a of the housing 3 comprises a shoulder 7 against which is positioned an elastic member 9.
  • This elastic member comprises an outer part 9a substantially in the form of a ring, a central part 9c also substantially in the form of a ring, and at least one (of preferably two, three or four, larger numbers not being excluded) elastic element 9b connecting the outer part to the central part 9c.
  • the shapes and configurations of the elastic elements 9b can be various, such as those disclosed in the documents EP 2 206 022 , CH 704739 on behalf of the applicant.
  • the material of the elastic member can be chosen from crystalline or amorphous metals such as steel and nickel, ceramics such as sapphire, alumina, ruby etc., or a material based on silicon, c 'that is to say mono- or polycrystalline silicon, its oxide, its nitride, its carbide or the like, all these compounds also being monocrystalline or polycrystalline.
  • the elastic member 9 is held elastically in the housing.
  • the outer part 9a can be positioned either by driving in with elastic deformation, or by additional elastic elements such as tongues or fingers extending outwardly from the outer part 9a, and bearing against the cylindrical wall of the housing 3.
  • the outer part 9a rests elastically against the wall of the housing, which generates mutually complementary forces on the wall and on the outer part 9a in a substantially radial direction. These forces generate friction which is sufficient to secure these components to one another during operation of the bearing.
  • a pad 11 At the center of the central part 9c of the elastic member 9 is a pad 11, here illustrated in the form of a pierced stone 11 provided with a central hole 11a to receive the end part of the axis.
  • this pierced stone 11 is of the classical type, in ruby, but can also be formed from a metal ring, or obtained from a silicon-based material (such as mono- or polycrystalline silicon, its oxide, its nitride, its carbide, also mono or polycrystalline), or the like, and is driven, welded or glued in a corresponding opening located in the central part.
  • a pierced stone 11 can be integrated into the central part 9c by growing the material of the central part 9c.
  • the central part 9c may have a continuous or discontinuous circular geometry (for example by being split or formed of several bumps), or else of continuous or discontinuous polygonal geometry.
  • the pad may have come integrally with the central part 9c, that is to say formed with a hole in the central part 9c.
  • the central part 9c adjacent to the hole 11a is considered to be the pad 11, which is not necessarily a separate part from the central part 9c.
  • the elastic member 9 being positioned on the shoulder 7 of the bottom 3a of the housing 3, and neither the elastic element (s) 9b, nor the central part 9c, nor the pad 11 being in contact with the bottom 3a of housing 3, the illustrated bearing is of the so-called “floating” or “no trigger threshold” type.
  • the elastic element (s) 9b and / or the central part 9c and / or the pad 11 can be in contact with the bottom 3a, either on a flat face or on a conical face, like c 'is generally known, in particular in the bearings developed by Mr. antagonist Erismann during the 1930s and 1940s.
  • the bearing 1 of this example also comprises a counter-pivot 13, arranged opposite the bearing 11, and intended to come into contact with the end of the axle in the event of an axial impact.
  • the counter-pivot 13 is a counter-pivot stone 13 of the conventional type, made of ruby, but can also be formed of metal, of a silicon-based material (such as mono- or polycrystalline silicon, its oxide, its nitride, its carbide, also mono or polycrystalline), or the like.
  • the counter-pivot 13 is mounted in a suitable seat 15d provided in a chaton 15 with radial play between these two parts.
  • the counter-pivot 13 could also be glued, welded, driven out or crimped in the chaton 15.
  • the kitten 15 takes place in the housing 3 with radial play, and comprises a first bearing surface 15a shaped so that, in the rest position of the bearing, it comes into contact with the outer part 9a of the elastic member. 9 under the effect of a return spring 17.
  • the return spring comprises tongues 17a which bear against the counter-pivot 13 in an axial direction.
  • the mounting of the return spring 17 in notches 21 provided for this purpose in the housing 3 is well known, and it goes without saying that other forms of elastic elements are also possible. These aspects therefore do not need to be described in more detail.
  • the elastic member 9 is held elastically in the housing 3, and not by a force supplied by the return spring 17 and transmitted to the outer part 9a via the kitten 15, makes it possible to decouple the positioning of the bearing 11 of that of the counter-pivot 13. Indeed, the elastic member 9 is maintained in the correct position on its own. In the event of a strong axial impact which would raise the counter-pivot 13 and possibly also the chain link 15, the elastic member 9 therefore remains in position against the shoulder 7, without risk of displacement, rotation or deflection of the elastic member. 9.
  • the kitten 15 comprises a second bearing surface 15b shaped so that it comes into contact with the central part 9c of the elastic member 9 when the bearing is in the rest position.
  • This variant provides, compared to that in which said second bearing surface 15b would be absent (see below), a greater axial contact distance between the central hole 11a of the pierced bearing 11 and the pivot of the axis of the mobile.
  • the second bearing surface 15b serves as a stop to avoid any risk that the two stones 11, 13, or even the pad 11 and the counter-pivot 13, may come into contact during a very large impact.
  • the elastic elements 9b remain free at all times, and cannot come into contact either with the bottom 3a of the housing 3, or with the kitten 15: the kitten is provided with an annular groove 15c for this purpose.
  • the elastic member has a constant height, and consequently the first bearing surface 15a and the second bearing surface 15b of the kitten are located substantially in the same plane.
  • the elastic member 9 does not have a constant height, the position of the second bearing surface 15b relative to the first bearing surface 15a can be adapted accordingly.
  • FIG. 12 also illustrates an example similar to that of the figures 3 and 4 , which differs from the latter in that the seat 15d in which the counter-pivot 13 is positioned comprises a tapered side wall, which tightens towards the bottom 3a of the housing 3. This taper facilitates the fitting of the counter-pivot 13 in the kitten.
  • the elastic member 9 comprises, projecting from the upper surface of its outer part 9a (that is to say the surface of the side of the counter-pivot 13, and therefore opposite the bottom 3a of the housing 3) , at least one positioning stop 9d serving to axially position the counter-pivot 13.
  • This positioning stop 9d may be in the form of a stud or one or more rectilinear or curved ridges, against which / which is brought the counter-pivot 13 by the return spring 17 when the bearing is in the rest position.
  • the positioning stop 9d can be, for example, an annular groove.
  • the positioning stop 9d may or may not be integral with the outer part 9a of the elastic member 9.
  • this example presents a simple counter-pivot 13 and does not include a kitten.
  • the bearing proposed in these figures therefore has fewer components than the example of figures 1 to 4 and is more economical to implement.
  • the same principle also applies to a construction having a kitten, and this, particularly in the case where the kitten is a simple ring, circular or split, driven flush around the counter-pivot 13.
  • the counter-pivot 13 and the chaton 15 of the example of figures 1 to 4 can come in one piece for the case where no play between these components is deemed necessary, the shape of the chaton 15, and particularly that of the first and second bearing surfaces 15a, 15b and that of the groove 15c, being taken up in the form of the counter-pivot 13. This variant is not illustrated.
  • the wall of the housing 3 does not necessarily have to be cylindrical, but may include protrusions and / or notches, which could influence the direction of the forces exerted between the outer part 9a and the wall of the housing 3.
  • the figures 9-11 further illustrate a variant of an anti-shock bearing 1, this time according to the invention, the figure 9 being a cutaway perspective view, the figure 10 being a section corresponding to said section, and the figure 11 being a section perpendicular to said section. Again, in these figures, only the reference signs mentioned in the text in connection with these figures have been shown so as not to overload these figures.
  • Tier 1 of figures 9-11 differs from those of figures 1-8 in that the elastic member 9 is no longer held directly in the housing 3, but is fixed in the kitten 15, according to the invention.
  • This fixing can be achieved by means of the friction generated by elastic forces exerted between said outer part 9a and the wall of the kitten (driving, elastic elements, as mentioned above), or by gluing, welding, brazing, pinning or the like.
  • the kitten 15 comprises an inner shoulder 15e, arranged in the lower part of its inner periphery 15f.
  • this inner shoulder is annular, but other shapes are also possible depending on the shape of the outer part 9a of the elastic member 9.
  • the 15th internal shoulder is superfluous and can be omitted.
  • the inner shoulder 15a has a height less than the thickness of the outer part 9a, so that the kitten 15 does not come into contact with the bottom 3a of the housing 3. Consequently, the outer part 9a remains in contact with it. the shoulder 7 of the bottom 3a of the housing 3.
  • said height is greater than said thickness, or that these two are equal.
  • the periphery 17b of the return spring 17 is not in contact with the kitten or the counter-pivot 13 in its rest position. Nevertheless, said periphery 17b can serve as an axial stop in order to limit the axial displacement of the kitten 15 during a strong impact.
  • the counter-pivot 13 is driven out, welded, brazed or glued in the upper part of the kitten 15, which is tubular in shape, but it is also possible for the counter-pivot 13 to take position against a suitable shoulder, as is the case in figures 1 to 6 , with or without clearance between these two elements.
  • the counter-pivot 13 and the chaton 15 may come as one piece and therefore be in one piece, the counter-pivot 13 consequently taking the form of the counter-pivot 13 - chain 15 assembly as can be seen in the figures. figures 9 to 10 . This reduces the number of bearing parts when manufactured by micromachining

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Sliding-Contact Bearings (AREA)
  • Pivots And Pivotal Connections (AREA)

Claims (7)

  1. Stoßsicheres Lager (1) für eine Uhr, umfassend:
    - eine Aufnahme (3), die eine Wand (3b) und einen Boden (3a) aufweist,
    - eine Öffnung (5) in dem Boden (3a), wobei die Öffnung (5) zur Aufnahme eines Tigeron einer Achse bestimmt ist,
    - ein elastisches Organ (9), das einen äußeren Teil (9a), der zur Positionierung des elastischen Organs (9) ausgeführt ist, einen mittleren Teil (9c), der eine Lagerbuchse (11, 11a) umfasst, die der Öffnung (5) gegenüber angeordnet ist, und mindestens ein elastisches Element (9b) aufweist, das den äußeren Teil (9a) mit dem mittleren Teil (9c) verbindet,
    - einen Deckstein (13), der von einem Steinfutter (15) gestützt wird, das in der Aufnahme (3) angeordnet ist, wobei der Deckstein (13) der Lagerbuchse (11, 11a) gegenüberliegt,
    - eine Rückholfeder (17), die dazu ausgestaltet ist, eine Kraft auf den Deckstein (13) auszuüben, um ihn in die Richtung des Bodens (3a) der Aufnahme (3) zu drücken,
    dadurch gekennzeichnet, dass der äußere Teil (9a) des elastischen Organs (9) am Steinfutter (15) befestigt ist.
  2. Stoßsicheres Lager (1) nach Anspruch 1, wobei der äußere Teil (9a) des elastischen Organs (9) am Steinfutter (15) befestigt ist, indem er durch Reibung, die durch zwischen dem äußeren Teil (9a) und einer inneren Wand (15e) des Steinfutters (15) ausgeübte elastische Kräfte erzeugt worden ist, in dem Steinfutter (15) gehalten wird
  3. Stoßsicheres Lager (1) nach einem der Ansprüche 1 bis 2, wobei das Steinfutter einen inneren Absatz umfasst, in dem der äußere Teil (9a) Platz findet.
  4. Stoßsicheres Lager (1) nach Anspruch 3, wobei der Absatz eine Höhe aufweist, die kleiner als die Dicke des äußeren Teils (9a) ist, so dass der äußere Teil in der Ruheposition des Lagers (1) mit dem Boden (3a) der Aufnahme (3) in Kontakt ist, wobei das Steinfutter (15) außer Kontakt mit dem Boden (3a) des Lagers (3) bleibt.
  5. Stoßsicheres Lager (1) nach einem der vorhergehenden Ansprüche 1 bis 4, wobei das Steinfutter (15) und der Deckstein (13) einstückig ausgebildet sind.
  6. Stoßsicheres Lager (1) nach einem der Ansprüche 1 bis 5, wobei der Boden (3a) der Aufnahme (3) einen Absatz (7) umfasst, der dazu ausgestaltet ist, mit dem äußeren Teil (9a) des elastischen Organs (9) in Kontakt zu sein.
  7. Stoßsicheres Lager (1) nach einem der Ansprüche 1 bis 6, wobei der äußere Teil (9a) im Wesentlichen die Form eines Rings aufweist.
EP16160180.2A 2015-03-20 2016-03-14 Lager für eine uhr Active EP3070544B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP21169119.1A EP3869281A1 (de) 2015-03-20 2016-03-14 Stosssicheres lager für uhr

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH00418/15A CH710905A1 (fr) 2015-03-20 2015-03-20 Palier antichoc pour pièce d'horlogerie.

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP21169119.1A Division-Into EP3869281A1 (de) 2015-03-20 2016-03-14 Stosssicheres lager für uhr
EP21169119.1A Division EP3869281A1 (de) 2015-03-20 2016-03-14 Stosssicheres lager für uhr

Publications (2)

Publication Number Publication Date
EP3070544A1 EP3070544A1 (de) 2016-09-21
EP3070544B1 true EP3070544B1 (de) 2021-12-22

Family

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Family Applications (2)

Application Number Title Priority Date Filing Date
EP16160180.2A Active EP3070544B1 (de) 2015-03-20 2016-03-14 Lager für eine uhr
EP21169119.1A Pending EP3869281A1 (de) 2015-03-20 2016-03-14 Stosssicheres lager für uhr

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP21169119.1A Pending EP3869281A1 (de) 2015-03-20 2016-03-14 Stosssicheres lager für uhr

Country Status (2)

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EP (2) EP3070544B1 (de)
CH (1) CH710905A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3422117B1 (de) * 2017-06-29 2020-05-27 Nivarox-FAR S.A. Stossdämpfer-gleitlager für eine achse einer drehteil einer uhr
EP3916489A1 (de) 2020-05-29 2021-12-01 Rolex Sa Dämpfungsfeder, lagerkörper und lager für uhr

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH245429A (fr) * 1944-02-28 1946-11-15 Erismann Gerard Pare-chocs pour palier de mouvement d'horlogerie.
CH243388A (de) * 1944-03-18 1946-07-15 Spahr Stotz Fritz Stossgesichertes Zapfenlager.
CH262967A (fr) * 1946-02-11 1949-07-31 Erismann Schinz S A Palier pare-chocs pour mobile d'horlogerie.
CH255756A (fr) 1946-12-11 1948-07-15 Erismann Schinz S A Pare-chocs pour mobile de mouvement d'horlogerie.
CH292136A (fr) * 1949-06-04 1953-07-31 Abrahams Irene Palier pare-choc pour arbre d'horlogerie.
CH278334A (de) 1949-11-01 1951-10-15 Ag Eterna Lager für Uhrenachsen.
CH296070A (fr) * 1951-10-11 1954-01-31 Renfer Erwin Palier pare-chocs pour mobile de pièce d'horlogerie.
CH305175A (fr) * 1952-10-17 1955-02-15 Bulova Watch Co Inc Palier pare-chocs.
CH313812A (fr) * 1953-09-21 1956-05-15 Schild Sa A Palier pare-chocs pour pivot de mobile d'horlogerie
CH333250A (de) * 1955-11-08 1958-10-15 Renfer Erwin Stossdämpfendes Lager für Uhrenteile
CH333591A (de) * 1958-03-25 1958-10-31 Hirt Steiner Arthur Stossgesicherte Unruhlagerung an Uhren
CH1494168A4 (de) * 1968-10-07 1970-06-30
CH704739B1 (fr) 2007-07-12 2012-10-15 Manuf Et Fabrique De Montres Et Chronometres Ulysse Nardin Le Locle S A Palier amortisseur de chocs pour pièce d'horlogerie.
CH705112B1 (fr) 2007-11-07 2012-12-31 Manuf Et Fabrique De Montres Et Chronometres Ulysse Nardin Le Locle Sa Palier amortisseur de chocs pour pièce d'horlogerie.

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Publication number Publication date
CH710905A1 (fr) 2016-09-30
EP3869281A1 (de) 2021-08-25
EP3070544A1 (de) 2016-09-21

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