EP4006649A1 - Attachment device for adjusting the movement of a balance - Google Patents

Attachment device for adjusting the movement of a balance Download PDF

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Publication number
EP4006649A1
EP4006649A1 EP20210242.2A EP20210242A EP4006649A1 EP 4006649 A1 EP4006649 A1 EP 4006649A1 EP 20210242 A EP20210242 A EP 20210242A EP 4006649 A1 EP4006649 A1 EP 4006649A1
Authority
EP
European Patent Office
Prior art keywords
bearing body
balance
bearing
fixing device
stud
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.)
Pending
Application number
EP20210242.2A
Other languages
German (de)
French (fr)
Inventor
Julien Saglini
Raphaël Courvoisier
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.)
ETA SA Manufacture Horlogere Suisse
Original Assignee
ETA SA Manufacture Horlogere Suisse
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ETA SA Manufacture Horlogere Suisse filed Critical ETA SA Manufacture Horlogere Suisse
Priority to EP20210242.2A priority Critical patent/EP4006649A1/en
Priority to JP2021147472A priority patent/JP7212116B2/en
Priority to US17/476,994 priority patent/US11809138B2/en
Priority to KR1020210131081A priority patent/KR102648950B1/en
Priority to CN202111422247.9A priority patent/CN114563939B/en
Publication of EP4006649A1 publication Critical patent/EP4006649A1/en
Pending legal-status Critical Current

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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
    • G04B18/00—Mechanisms for setting frequency
    • G04B18/04—Adjusting the beat of the pendulum, balance, or the like, e.g. putting into beat
    • G04B18/06—Adjusting the beat of the pendulum, balance, or the like, e.g. putting into beat by setting the collet or the stud of a hairspring
    • G—PHYSICS
    • G04—HOROLOGY
    • G04D—APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
    • G04D7/00—Measuring, counting, calibrating, testing or regulating apparatus
    • G04D7/08—Measuring, counting, calibrating, testing or regulating apparatus for balance wheels
    • G04D7/082—Measuring, counting, calibrating, testing or regulating apparatus for balance wheels for balancing
    • 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
    • G04B18/00—Mechanisms for setting frequency
    • 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
    • G04B17/00—Mechanisms for stabilising frequency
    • G04B17/20—Compensation of mechanisms for stabilising frequency
    • 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
    • G04B18/00—Mechanisms for setting frequency
    • G04B18/02—Regulator or adjustment devices; Indexing devices, e.g. raquettes
    • 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
    • G04B18/00—Mechanisms for setting frequency
    • G04B18/02—Regulator or adjustment devices; Indexing devices, e.g. raquettes
    • G04B18/026—Locking the hair spring in the indexing device, e.g. goupille of the raquette
    • 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
    • G04B35/00—Adjusting the gear train, e.g. the backlash of the arbors, depth of meshing of the gears

Definitions

  • the present invention relates to the field of watchmaking. It relates, more particularly, to fixing devices for adjusting the swing of the balance.
  • Adjusting the balance stroke is essential for the proper functioning of a mechanical movement.
  • the positioning and locking of the stud holder and the balance shock absorber are just as important. In the majority of mechanical movements, the shock absorber is driven into the balance bridge, itself locking the stud holder.
  • said fixing device makes it possible to adjust said at least one eyebolt holder and the positioning of said at least one bearing body without having to exert significant forces, and makes it possible to guarantee the functionality of the movement and a good hold during shocks.
  • said fixing device comprises at least one balance bridge configured to cooperate with said at least one holding member.
  • said at least one retaining member can cooperate with said at least one balance bridge.
  • said at least one bearing body is configured to be between said at least one eyebolt carrier and said at least one support member.
  • said at least one bearing member comprises a first bearing surface configured to press said at least one bearing body against said at least one stud carrier and at least one second bearing surface configured to be in contact with said at least one holding member.
  • said at least one support member transmits the force of said at least one holding member to said at least one bearing body.
  • said at least one bearing body comprises an internal thread or a thread arranged on the outer periphery of said at least one bearing body and said at least one eyebolt carrier comprises a thread or an internal thread arranged on the internal periphery of said at least one eyebolt carrier.
  • said at least one bearing body can be screwed to said at least one stud carrier.
  • Adjusting the balance stroke is essential for the proper functioning of a mechanical movement.
  • the applicant proposes a fixing device 100 for adjusting the play of a balance 200.
  • Said at least one fixing device 100 comprising at least one eyebolt carrier 110, at least one bearing body 120, at least at least one support member 130 and at least one holding member 140.
  • said at least one bearing body 120 is configured to move relative to said at least one stud carrier 110 via a thread-tapping.
  • said at least one bearing body 120 may comprise an internal thread or a thread arranged on the outer periphery of said at least one bearing body 120.
  • Said at least one stud carrier 110 may comprise a thread or an internal thread disposed on the inner periphery of said at least one eyebolt holder 110 so that said at least one bearing body 120 can be screwed to said at least one eyebolt holder 110 and thus adjust the clearance of said pendulum 200.
  • Said at least one support member 130 is configured to press said at least one bearing body 120 against said at least one stud holder 110 and said at least one holding member 140 makes it possible to hold said at least one support member 130 pressed against said at least one bearing body 120 so as to fix the adjustment of said movement of said rocker arm 200 and therefore the positioning of said at least one bearing body 120 without having to exert significant forces while guaranteeing the functionality of the movement and good resistance during shocks.
  • said at least one bearing body 120 can be included between said at least one stud carrier 110 and said at least one support member 130 so as to be held by said at least one stud carrier 110 and to said at least one support member 130.
  • said at least one bearing member 130 comprises a first bearing surface 131 making it possible to press said at least at least one bearing body 120 against said at least one stud holder 110 and at least one second bearing surface transmitting the holding force exerted by said at least one holding member 140 to said at least one bearing body 120.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Connection Of Plates (AREA)
  • Sliding-Contact Bearings (AREA)
  • Mounting Of Bearings Or Others (AREA)
  • Vibration Prevention Devices (AREA)

Abstract

La présente invention concerne un dispositif de fixation (100) pour le réglage d'ébat d'un balancier (200). Ledit au moins un dispositif de fixation (100) comprenant au moins un porte-piton (110), au moins un corps de palier (120), au moins un organe d'appui (130) et au moins un organe de maintien (140).Ledit au moins un corps de palier (120) est configuré pour se déplacer par rapport audit au moins un porte-piton (110) de sorte à fixer le réglage dudit ébat dudit balancier (200) et ledit au moins un organe d'appui (130) est configuré pour appuyer ledit au moins un corps de palier (120) contre ledit au moins un porte-piton (110) avant d'être maintenu par ledit au moins un organe de maintien (140).The present invention relates to a fixing device (100) for the stroke adjustment of a pendulum (200). Said at least one fixing device (100) comprising at least one stud holder (110), at least one bearing body (120), at least one support member (130) and at least one holding member (140 ). Said at least one bearing body (120) is configured to move relative to said at least one eyebolt carrier (110) so as to fix the adjustment of said movement of said rocker arm (200) and said at least one control member. support (130) is configured to press said at least one bearing body (120) against said at least one stud holder (110) before being held by said at least one holding member (140).

Description

Domaine technique de l'inventionTechnical field of the invention

La présente invention se rapporte au domaine de l'horlogerie. Elle concerne, plus particulièrement, les dispositifs de fixation pour le réglage d'ébat de balancier.The present invention relates to the field of watchmaking. It relates, more particularly, to fixing devices for adjusting the swing of the balance.

Arrière-plan technologiqueTechnology background

Le réglage de l'ébat balancier est primordial pour le bon fonctionnement d'un mouvement mécanique. Le positionnement et le verrouillage du porte-piton et de l'amortisseur balancier sont tout aussi importants. Dans la majorité des mouvements mécaniques, l'amortisseur est chassé dans le pont balancier, lui-même verrouillant le porte-piton.Adjusting the balance stroke is essential for the proper functioning of a mechanical movement. The positioning and locking of the stud holder and the balance shock absorber are just as important. In the majority of mechanical movements, the shock absorber is driven into the balance bridge, itself locking the stud holder.

Pour régler ces deux éléments, il faut exercer une force non négligeable sur ces éléments ce qui est fastidieux et peut entrainer une dégradation desdits éléments et leur environnement.To adjust these two elements, it is necessary to exert a non-negligible force on these elements, which is tedious and can lead to a degradation of said elements and their environment.

Résumé de l'inventionSummary of the invention

La présente invention concerne un dispositif de fixation pour le réglage d'ébat d'un balancier, de préférence de réglage d'ébat dudit balancier ; ledit au moins un dispositif de fixation comprenant au moins un porte-piton, au moins un :

  • corps de palier ; ledit au moins un corps de palier étant configuré pour se déplacer par rapport audit au moins un porte-piton ;
  • organe d'appui ; ledit au moins un organe d'appui étant configuré pour appuyer ledit au moins un corps de palier contre ledit au moins un porte-piton ; et,
  • organe de maintien ; ledit au moins un organe de maintien étant configuré pour maintenir ledit au moins un organe d'appui appuyé contre ledit au moins un corps de palier de sorte à fixer le réglage dudit ébat dudit balancier.
The present invention relates to a fixing device for adjusting the swing of a balance, preferably for adjusting the swing of said balance; said at least one fastening device comprising at least one stud holder, at least one:
  • bearing housing; said at least one bearing body being configured to move relative to said at least one stud holder;
  • supporting body; said at least one support member being configured to press said at least one bearing body against said at least one stud carrier; and,
  • retaining member; said at least one holding member being configured to hold said at least one support member pressed against said at least one bearing body so as to fix the adjustment of said motion of said balance.

Grâce à cette disposition, ledit dispositif de fixation permet de régler ledit au moins un porte-piton et le positionnement dudit au moins un corps de palier sans devoir exercer des forces importantes, et permet de garantir la fonctionnalité du mouvement et une bonne tenue lors de chocs.Thanks to this arrangement, said fixing device makes it possible to adjust said at least one eyebolt holder and the positioning of said at least one bearing body without having to exert significant forces, and makes it possible to guarantee the functionality of the movement and a good hold during shocks.

Selon un mode de réalisation, ledit dispositif de fixation comprend au moins un pont balancier configuré pour coopérer avec ledit au moins un organe de maintien.According to one embodiment, said fixing device comprises at least one balance bridge configured to cooperate with said at least one holding member.

Grâce à cette disposition, ledit au moins un organe de maintien peut coopérer avec ledit au moins un pont balancier.Thanks to this arrangement, said at least one retaining member can cooperate with said at least one balance bridge.

Selon un mode de réalisation, ledit au moins un corps de palier est configuré pour être compris entre ledit au moins un porte-piton et ledit au moins un organe d'appui.According to one embodiment, said at least one bearing body is configured to be between said at least one eyebolt carrier and said at least one support member.

Grâce à cette disposition, le réglage dudit au moins un corps de palier est maintenu grâce audit au moins un porte-piton et audit au moins un organe d'appui.Thanks to this arrangement, the adjustment of said at least one bearing body is maintained thanks to said at least one eyebolt carrier and to said at least one support member.

Selon un mode de réalisation, ledit au moins un organe d'appui comprend une première surface d'appui configurée pour appuyer ledit au moins un corps de palier contre ledit au moins un porte-piton et au moins une deuxième surface d'appui configurée pour être en contact avec ledit au moins un organe de maintien.According to one embodiment, said at least one bearing member comprises a first bearing surface configured to press said at least one bearing body against said at least one stud carrier and at least one second bearing surface configured to be in contact with said at least one holding member.

Grâce à cette disposition, ledit au moins un organe d'appui transmet la force dudit au moins un organe de maintien audit au moins un corps de palier.Thanks to this arrangement, said at least one support member transmits the force of said at least one holding member to said at least one bearing body.

Selon un mode de réalisation, ledit au moins un corps de palier comprend un taraudage ou un filetage disposé sur la périphérie externe dudit au moins un corps de palier et ledit au moins un porte-piton comprend un filetage ou un taraudage disposé sur la périphérie interne dudit au moins un porte-piton.According to one embodiment, said at least one bearing body comprises an internal thread or a thread arranged on the outer periphery of said at least one bearing body and said at least one eyebolt carrier comprises a thread or an internal thread arranged on the internal periphery of said at least one eyebolt carrier.

Grâce à cette disposition, ledit au moins un corps de palier peut être vissé audit au moins un porte-piton.Thanks to this arrangement, said at least one bearing body can be screwed to said at least one stud carrier.

Brève description des figuresBrief description of figures

L'invention sera décrite ci-après de manière plus détaillée à l'aide du dessin annexé, donné à titre d'exemple nullement limitatif, dans lequel la figure 1 représente un dispositif de fixation de réglage d'ébat de balancier.The invention will be described below in more detail with the aid of the attached drawing, given by way of non-limiting example, in which the figure 1 represents a balance swing adjustment fixing device.

Description détaillée de l'inventionDetailed description of the invention

Le réglage de l'ébat balancier est primordial pour le bon fonctionnement d'un mouvement mécanique. À cet effet, la demanderesse propose un dispositif de fixation 100 pour le réglage d'ébat d'un balancier 200. Ledit au moins un dispositif de fixation 100 comprenant au moins un porte-piton 110, au moins un corps de palier 120, au moins un organe d'appui 130 et au moins un organe de maintien 140. Adjusting the balance stroke is essential for the proper functioning of a mechanical movement. To this end, the applicant proposes a fixing device 100 for adjusting the play of a balance 200. Said at least one fixing device 100 comprising at least one eyebolt carrier 110, at least one bearing body 120, at least at least one support member 130 and at least one holding member 140.

Comme l'illustre la figure 1, ledit au moins un corps de palier 120 est configuré pour se déplacer par rapport audit au moins un porte-piton 110 par l'intermédiaire d'un filetage-taraudage.As illustrated by figure 1 , said at least one bearing body 120 is configured to move relative to said at least one stud carrier 110 via a thread-tapping.

En effet, selon les modes de réalisations, ledit au moins un corps de palier 120 peut comprendre un taraudage ou un filetage disposé sur la périphérie externe dudit au moins un corps de palier 120. Ledit au moins un porte-piton 110, quant à lui, peut comprendre un filetage ou un taraudage disposé sur la périphérie interne dudit au moins un porte-piton 110 de sorte que ledit au moins un corps de palier 120 puisse être vissé audit au moins un porte-piton 110 et ainsi régler l'ébat dudit balancier 200. Indeed, according to the embodiments, said at least one bearing body 120 may comprise an internal thread or a thread arranged on the outer periphery of said at least one bearing body 120. Said at least one stud carrier 110, meanwhile , may comprise a thread or an internal thread disposed on the inner periphery of said at least one eyebolt holder 110 so that said at least one bearing body 120 can be screwed to said at least one eyebolt holder 110 and thus adjust the clearance of said pendulum 200.

Ledit au moins un organe d'appui 130 est configuré pour appuyer ledit au moins un corps de palier 120 contre ledit au moins un porte-piton 110 et ledit au moins un organe de maintien 140 permet de maintenir ledit au moins un organe d'appui 130 appuyé contre ledit au moins un corps de palier 120 de sorte à fixer le réglage dudit ébat dudit balancier 200 et donc le positionnement dudit au moins un corps de palier 120 sans devoir exercer des forces important tout en garantissant la fonctionnalité du mouvement et une bonne tenue lors de chocs. En d'autres termes, ledit au moins un corps de palier 120 peut être compris entre ledit au moins un porte-piton 110 et ledit au moins un organe d'appui 130 de sorte à être maintenu grâce audit au moins un porte-piton 110 et audit au moins un organe d'appui 130. Said at least one support member 130 is configured to press said at least one bearing body 120 against said at least one stud holder 110 and said at least one holding member 140 makes it possible to hold said at least one support member 130 pressed against said at least one bearing body 120 so as to fix the adjustment of said movement of said rocker arm 200 and therefore the positioning of said at least one bearing body 120 without having to exert significant forces while guaranteeing the functionality of the movement and good resistance during shocks. In other words, said at least one bearing body 120 can be included between said at least one stud carrier 110 and said at least one support member 130 so as to be held by said at least one stud carrier 110 and to said at least one support member 130.

Ce maintien peut être amélioré grâce à des surfaces d'appui présentes sur ledit au moins un organe d'appui 130. En effet, ledit au moins un organe d'appui 130 comprend une première surface d'appui 131 permettant d'appuyer ledit au moins un corps de palier 120 contre ledit au moins un porte-piton 110 et au moins une deuxième surface d'appui transmettant la force de maintien exercée par ledit au moins un organe de maintien 140 au ledit au moins un corps de palier 120. This holding can be improved thanks to bearing surfaces present on said at least one bearing member 130. Indeed, said at least one bearing member 130 comprises a first bearing surface 131 making it possible to press said at least at least one bearing body 120 against said at least one stud holder 110 and at least one second bearing surface transmitting the holding force exerted by said at least one holding member 140 to said at least one bearing body 120.

Le tout, c'est à dire ledit au moins un porte-piton 110, ledit au moins un corps de palier 120, ledit au moins un organe d'appui 130 et ledit au moins un organe de maintien 140, repose sur au moins un pont balancier 150 configuré pour coopérer avec ledit au moins un organe de maintien 140. The whole thing, that is to say said at least one stud holder 110, said at least one bearing body 120, said at least one support member 130 and said at least one holding member 140, rests on at least one balance bridge 150 configured to cooperate with said at least one holding member 140.

Claims (5)

Dispositif de fixation (100) pour le réglage d'ébat d'un balancier (200), de préférence de réglage d'ébat dudit balancier (200) ; ledit au moins un dispositif de fixation (100) comprenant au moins un porte-piton (110), au moins un : - corps de palier (120) ; ledit au moins un corps de palier (120) étant configuré pour se déplacer par rapport audit au moins un porte-piton (110) ; - organe d'appui (130) ; ledit au moins un organe d'appui (130) étant configuré pour appuyer ledit au moins un corps de palier (120) contre ledit au moins un porte-piton (110) ; et, - organe de maintien (140) ; ledit au moins un organe de maintien (140) étant configuré pour maintenir ledit au moins un organe d'appui (130) appuyé contre ledit au moins un corps de palier (120) de sorte à fixer le réglage dudit ébat dudit balancier (200). Fixing device (100) for adjusting the stroke of a balance (200), preferably for adjusting the stroke of said balance (200); said at least one fixing device (100) comprising at least one stud carrier (110), at least one: - bearing housing (120); said at least one bearing body (120) being configured to move relative to said at least one stud carrier (110); - support member (130); said at least one support member (130) being configured to press said at least one bearing body (120) against said at least one stud holder (110); and, - retaining member (140); said at least one holding member (140) being configured to hold said at least one support member (130) pressed against said at least one bearing body (120) so as to fix the adjustment of said movement of said balance (200) . Dispositif de fixation (100) selon la revendication 1, lequel comprenant au moins un pont balancier (150) configuré pour coopérer avec ledit au moins un organe de maintien (140).Fixing device (100) according to claim 1, which comprises at least one balance bridge (150) configured to cooperate with said at least one holding member (140). Dispositif de fixation (100) selon la revendication 1 ou 2, dans lequel ledit au moins un corps de palier (120) est configuré pour être compris entre ledit au moins un porte-piton (110) et ledit au moins un organe d'appui (130).Fixing device (100) according to Claim 1 or 2, in which the said at least one bearing body (120) is configured to be included between the said at least one eyebolt carrier (110) and the said at least one support member (130). Dispositif de fixation (100) selon l'une quelconque des revendications précédentes, dans lequel ledit au moins un organe d'appui (130) comprend une première surface d'appui (131) configurée pour appuyer ledit au moins un corps de palier (120) contre ledit au moins un porte-piton (110) et au moins une deuxième surface d'appui configurée pour être en contact avec ledit au moins un organe de maintien (140).A fixing device (100) according to any preceding claim, wherein said at least one bearing member (130) comprises a first bearing surface (131) configured to rest said at least one bearing body (120 ) against said at least one stud holder (110) and at least one second bearing surface configured to be in contact with said at least one holding member (140). Dispositif de fixation (100) selon l'une quelconque des revendications précédentes, dans lequel ledit au moins un corps de palier (120) comprend un taraudage ou un filetage disposé sur la périphérie externe dudit au moins un corps de palier (120) et ledit au moins un porte-piton (110) comprend un filetage ou un taraudage disposé sur la périphérie interne dudit au moins un porte-piton (110).A fixing device (100) according to any preceding claim, wherein said at least one bearing housing (120) comprises an internal thread or thread disposed on the outer periphery of said at least one bearing housing (120) and said at least one stud carrier (110) comprises a thread or an internal thread arranged on the internal periphery of said at least one stud carrier (110).
EP20210242.2A 2020-11-27 2020-11-27 Attachment device for adjusting the movement of a balance Pending EP4006649A1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP20210242.2A EP4006649A1 (en) 2020-11-27 2020-11-27 Attachment device for adjusting the movement of a balance
JP2021147472A JP7212116B2 (en) 2020-11-27 2021-09-10 Balancing clearance adjustment device
US17/476,994 US11809138B2 (en) 2020-11-27 2021-09-16 Balance clearance adjustment fixing device
KR1020210131081A KR102648950B1 (en) 2020-11-27 2021-10-01 Balance clearance adjustment fixing device
CN202111422247.9A CN114563939B (en) 2020-11-27 2021-11-26 Balance wheel gap adjusting and fixing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20210242.2A EP4006649A1 (en) 2020-11-27 2020-11-27 Attachment device for adjusting the movement of a balance

Publications (1)

Publication Number Publication Date
EP4006649A1 true EP4006649A1 (en) 2022-06-01

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Application Number Title Priority Date Filing Date
EP20210242.2A Pending EP4006649A1 (en) 2020-11-27 2020-11-27 Attachment device for adjusting the movement of a balance

Country Status (5)

Country Link
US (1) US11809138B2 (en)
EP (1) EP4006649A1 (en)
JP (1) JP7212116B2 (en)
KR (1) KR102648950B1 (en)
CN (1) CN114563939B (en)

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CN205176485U (en) * 2015-10-08 2016-04-20 天津海鸥表业集团有限公司 Double second wheel structure of tourbillon watch
EP3179314B1 (en) * 2015-12-11 2018-11-14 ETA SA Manufacture Horlogère Suisse Stud support with simplified assembly
EP3451076B1 (en) * 2017-08-31 2020-07-29 ETA SA Manufacture Horlogère Suisse Stud-holder for a mechanical clockwork movement

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CH273136A (en) * 1950-04-06 1951-01-31 Lavina S A Clockwork movement rack.

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US20220171338A1 (en) 2022-06-02
JP7212116B2 (en) 2023-01-24
KR20220074716A (en) 2022-06-03
US11809138B2 (en) 2023-11-07
CN114563939B (en) 2024-06-25
JP2022085843A (en) 2022-06-08
CN114563939A (en) 2022-05-31

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