EP2957963A1 - Drehteil einer Uhr - Google Patents

Drehteil einer Uhr Download PDF

Info

Publication number: EP2957963A1
Authority: EP; European Patent Office
Prior art keywords: board; mobile; shaft; arm; pivot axis
Prior art date: 2014-06-18
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.): Granted

Application number

EP14172870.9A

Other languages

English (en)

French (fr)

Other versions

EP2957963B1 (de

Inventor

Olivier Mertenat

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.)

2014-06-18

Filing date

2014-06-18

Publication date

2015-12-23

2014-06-18 Priority to CH00920/14A priority Critical patent/CH709792A2/fr

2014-06-18 Application filed by ETA SA Manufacture Horlogere Suisse filed Critical ETA SA Manufacture Horlogere Suisse

2014-06-18 Priority to EP14172870.9A priority patent/EP2957963B1/de

2015-06-05 Priority to PCT/EP2015/062542 priority patent/WO2015193123A1/fr

2015-06-05 Priority to CN201580031842.6A priority patent/CN106537262B/zh

2015-06-05 Priority to JP2016547098A priority patent/JP6276864B2/ja

2015-06-05 Priority to EP15727642.9A priority patent/EP3158402B1/de

2015-06-05 Priority to US15/309,452 priority patent/US10365608B2/en

2015-12-23 Publication of EP2957963A1 publication Critical patent/EP2957963A1/de

2017-10-25 Application granted granted Critical

2017-10-25 Publication of EP2957963B1 publication Critical patent/EP2957963B1/de

Status Active legal-status Critical Current

2034-06-18 Anticipated expiration legal-status Critical

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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
- G04B13/00—Gearwork
- G04B13/02—Wheels; Pinions; Spindles; Pivots
- G04B13/021—Wheels; Pinions; Spindles; Pivots elastic fitting with a spindle, axis or shaft
- G04B13/023—Wheels; Pinions; Spindles; Pivots elastic fitting with a spindle, axis or shaft allowing rotational slipping when a threshold torque is exceeded
- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B13/00—Gearwork
- G04B13/02—Wheels; Pinions; Spindles; Pivots
- G04B13/021—Wheels; Pinions; Spindles; Pivots elastic fitting with a spindle, axis or shaft
- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B13/00—Gearwork
- G04B13/02—Wheels; Pinions; Spindles; Pivots
- G04B13/025—Wheels; Pinions; Spindles; Pivots with elastic means between the toothing and the hub of a toothed wheel

Definitions

the invention relates to a watch mobile in several parts.
the invention further relates to a watch movement comprising at least one such mobile.
the invention relates to the field of watch mechanisms, and more particularly the wheels.
Many mechanical watch movements comprise at least one friction mobile, in particular to allow adjustments when the watch operates.
a mechanical movement equipped with a medium wheel, usually has a friction at the level of the clockwork. Friction makes it possible to turn the road, independently of the finishing gear, during the time setting. Friction also allows rotation of the drive wheel plate when the watch is running.
the invention relates to a watch mobile phone in several parts, characterized in that said mobile comprises a first component consisting of a shaft which comprises, around a first axis of pivoting, a housing arranged for the reception of a second component constituted by a board in a single axial position, said board having a peripheral surface with reference to a second axis of pivoting, said shaft comprising, on either side of said at least one housing, in the direction of said first pivot axis, an axial abutment bearing surface arranged to maintain abutting abutment said board on said shaft, wherein said board has at least one first elastic arm radially relative to said second pivot axis, and at least one second arm rigid or resilient radially relative to said second pivot axis, said first arm elastic and second arm together forming a clamp arranged to clamp a radial bearing surface that includes said shaft in the vicinity of said axial abutment bearing surface, characterized in that said shaft comprises an introduction ramp arranged to radially repel each said first
the invention also relates to a watch movement comprising at least one such mobile, characterized in that the composition of said mobile is restricted to said shaft and said board assembled one on the other.
the invention relates to a multi-part watch mobile 100.
this mobile has friction means, and is called “friction mobile”.
the mobile 100 comprises a first component constituted by a shaft 1.
This shaft 1 comprises, around a first pivot axis D1, a housing 6 arranged for receiving a second component.
This second component consists of a board 2 in a single axial position.
the board 2 has a peripheral surface 20 with reference to a second pivot axis D2.
the shaft 1 comprises, on either side of the at least one housing 6, in the direction of the first axis of pivoting D1, an axial abutment bearing surface 7 which is arranged to maintain abutment abutment board 2 on the tree 1.
This board 2 comprises at least one first resilient arm 4 radially with respect to the second pivot axis D2, and at least one second rigid or elastic arm 5 radially relative to the second pivot axis D2.
first elastic arms 4 and second arms 5 together form a clamp 3, which is arranged to clamp a radial bearing surface 9 that the shaft 1 has in the vicinity of the axial abutment abutment surface 7. The friction is thus assured between the board 2 and the tree 1.
the elasticity of the arms 4, 5, of the board 2 is used to allow proper positioning, and preferably a snap in position.
the shaft 1 comprises an introduction ramp 8, which is arranged to radially push each first elastic arm 4, and each second elastic arm 5 when the board 2 comprises, to allow the introduction of the board 2 on the tree 1.
the board 2 comprises a first elastic arm 4 and a second elastic arm 5, symmetrical to each other with respect to the second pivot axis D2.
the clamp 3 is circumscribed to a cylinder whose radius is smaller than that of a cylinder circumscribed to the radial bearing surface 9.
the central part of the board 2 comprises as many curved surfaces, in particular cylindrical surfaces, as of arms 4, 5.
arms 4, 5 In the variants illustrated by the figures, which comprise a first elastic arm 4, and a second arm 5, the center of the board is defined by two curved surfaces, which come to grip the tree 1.
the figure 7 illustrates a realization of the type "2 points" where the board 2 carries on the shaft 1 in two symmetrical points P1 and P2 with respect to the axis D1.
Each first arm 4 or second arm 5 thus comprises such a curved surface constituted by a hollow cylindrical sector 34, 35, whose axis C is eccentric with respect to the second pivot axis D2.
the axis C is then further from the hollow cylindrical sector 34, 35 than the second pivot axis D2, with an eccentricity value E, visible on the figure 9 which is between 0.1 and 0.2 times the radius of the hollow cylindrical sector 34, 35, considered.
the value of the friction is advantageously defined by a precise interval, from 0.060 to 0.080 N.cm, in order to fulfill the criteria of quality to the impact behavior, and of setting the time.
the friction can be achieved, or at the level of surfaces of a certain magnitude, such as the cylindrical sectors 34, 35, or at point areas, for example in the form of a friction 2 points or 4 points.
FIG. 10 A realization of the type "4 points" is visible in figure 10 :
the board 2 is on the shaft 1 at four points P11, P12, P13, P14, symmetrical two by two with respect to the axis D1.
the inside board radius Rp is then less than the road radius Rch at the level of the shaft 1.
the board 2 comprises first drive means 21 at the first elastic arm 4, and second drive means 22 at each said second elastic arm 5 when the board 2 comprises.
first 21 and second 22 drive means comprise raised profiled sector relief and / or reentrant, which are arranged to cooperate with complementary profile tooling for the opening of the clamp 3 during the introduction of the board 2 on the tree 1.
first 21 and second 22 drive means are symmetrical with respect to the second pivot axis D2.
the board 2 may further comprise, in the vicinity of its periphery and in its inner part, third 23 and fourth 24 drive means.
the board 2 comprises holding means, such as posts or bores, or the like, in its most rigid part, which are arranged to cooperate with a traction tool.
the board 2 has on its lower face 21 and / or upper 22, a surface roughness greater than 6.3 micrometers Ra, for its cooperation in friction with a holding tool and / or traction.
the peripheral surface 20 is a toothing oriented on the second pivot axis D2.
peripheral surface 20 is a cam with reference to the second pivot axis D2 and to an angular reference constituted by the first arm 4 or by the second arm 5.
the radial bearing surface 9 and the introduction ramp 8 of the shaft 1 together define a bead 10, which is arranged to immobilize the board 2 on the shaft 1 when the board is in abutment. support on the axial abutment bearing surface 7 of the shaft 1.
the radial bearing surface 9 is flush with respect to the bead 10. This draft angle makes it possible to maintain the board 2 at a constant height and with a constant radius of friction.
the invention also relates to a watch movement 200 comprising at least one such mobile 100.
the composition of this mobile 100 is restricted to the shaft 1 and the board 2 assembled on one another.

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Electromechanical Clocks (AREA)
Gears, Cams (AREA)
Pivots And Pivotal Connections (AREA)
Sliding-Contact Bearings (AREA)
Micromachines (AREA)

EP14172870.9A 2014-06-18 2014-06-18 Drehteil einer Uhr Active EP2957963B1 (de)

Priority Applications (7)

Application Number	Priority Date	Filing Date	Title
EP14172870.9A EP2957963B1 (de)	2014-06-18	2014-06-18	Drehteil einer Uhr
CH00920/14A CH709792A2 (fr)	2014-06-18	2014-06-18	Mobile d'horlogerie.
CN201580031842.6A CN106537262B (zh)	2014-06-18	2015-06-05	钟表轮副
JP2016547098A JP6276864B2 (ja)	2014-06-18	2015-06-05	時計用ホイールセット
PCT/EP2015/062542 WO2015193123A1 (fr)	2014-06-18	2015-06-05	Mobile d'horlogerie
EP15727642.9A EP3158402B1 (de)	2014-06-18	2015-06-05	Drehteil einer uhr
US15/309,452 US10365608B2 (en)	2014-06-18	2015-06-05	Timepiece wheel set

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
EP14172870.9A EP2957963B1 (de)	2014-06-18	2014-06-18	Drehteil einer Uhr

Publications (2)

Publication Number	Publication Date
EP2957963A1 true EP2957963A1 (de)	2015-12-23
EP2957963B1 EP2957963B1 (de)	2017-10-25

Family

ID=50942598

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
EP14172870.9A Active EP2957963B1 (de)	2014-06-18	2014-06-18	Drehteil einer Uhr
EP15727642.9A Active EP3158402B1 (de)	2014-06-18	2015-06-05	Drehteil einer uhr

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
EP15727642.9A Active EP3158402B1 (de)	2014-06-18	2015-06-05	Drehteil einer uhr

Country Status (6)

Country	Link
US (1)	US10365608B2 (de)
EP (2)	EP2957963B1 (de)
JP (1)	JP6276864B2 (de)
CN (1)	CN106537262B (de)
CH (1)	CH709792A2 (de)
WO (1)	WO2015193123A1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP3270235A4 (de) *	2015-03-11	2019-01-23	Citizen Watch Co., Ltd.	Leistungsübertragender körper einer uhr und verfahren zur herstellung eines leistungsübertragenden körpers einer uhr
EP3667431A1 (de) *	2018-12-13	2020-06-17	Montres Breguet S.A.	Mobile anzeigeeinheit einer uhr mit reibungsregulierungsmechanismus
CH716553A1 (fr) *	2019-08-30	2021-03-15	Lvmh Swiss Mft Sa Zenith Succursale De Lvmh Swiss Mft Sa	Ressort de friction et mécanisme horloger limitant le couple transmis entre deux pièces rotatitves.

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP3396470B1 (de) *	2017-04-24	2020-01-01	ETA SA Manufacture Horlogère Suisse	Mechanische bremsvorrichtung für drehteil einer uhr
JP6891622B2 (ja) *	2017-04-28	2021-06-18	セイコーエプソン株式会社	機械部品及び時計
JP6891646B2 (ja) *	2017-06-07	2021-06-18	セイコーエプソン株式会社	機械式部品、時計
US10838366B2 (en) *	2017-09-14	2020-11-17	Timex Group Usa, Inc.	Bidirectional MEMS driving arrangements with a force absorbing system
DE102017218026A1 (de) *	2017-10-10	2019-04-11	Zf Friedrichshafen Ag	Sensorträger und Sensorbaugruppe
EP3489767A1 (de) *	2017-11-27	2019-05-29	Montres Breguet S.A.	Magnetische zentrierungsvorrichtung einer welle in einem uhrwerk
EP3667435B1 (de)	2018-12-10	2022-06-01	Montres Breguet S.A.	Einstellsystem der position eines ersten gezahnten drehteils in bezug auf eine halterung, auf der dieser ersten gezahnten drehteil drehbar befestigt ist, und uhr, die ein solches system umfasst
EP3772673B1 (de) *	2019-08-08	2022-04-06	ETA SA Manufacture Horlogère Suisse	Indexierungselement für uhren
EP3825779B1 (de) *	2019-11-21	2025-05-14	ETA SA Manufacture Horlogère Suisse	Bewegliche uhrwerkskomponente mit einem durch reibung gehaltenen element
JP7428556B2 (ja) *	2020-03-16	2024-02-06	セイコーウオッチ株式会社	時計部品、ムーブメント及び時計
EP3907564B1 (de) *	2020-05-05	2025-11-12	ETA SA Manufacture Horlogère Suisse	Indexierungselement für uhren
EP4280002A1 (de)	2022-05-17	2023-11-22	Montres Breguet S.A.	Chronographenmodul mit einem abnehmbaren rad
EP4375760A1 (de) *	2022-11-25	2024-05-29	Nivarox-FAR S.A.	Befestigungselement für eine uhr
EP4375762A1 (de) *	2022-11-25	2024-05-29	Nivarox-FAR S.A.	Einteiliges befestigungselement für eine uhrkomponente auf einem trägerelement
CN116263573A (zh) *	2022-12-16	2023-06-16	杭州手表有限公司	摩擦轮、中心轮组件及机芯结构

Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR1061488A (fr) *	1951-08-23	1954-04-13	D Ebauches Eta S A Fab	Perfectionnement aux montres avec aiguille de seconde pivotée au oentre du mouvement
JPS5091562U (de) *	1973-12-20	1975-08-01
JPS59135385A (ja) *	1983-01-25	1984-08-03	Seiko Epson Corp	指針表示式時計の番車スベリ機構
US20060187768A1 (en) *	2005-02-22	2006-08-24	Takuya Murazumi	Gear structure and timepiece having the same
CH701075B1 (fr) *	2007-03-02	2010-11-30	Richemont Int Sa	Ensemble formé d'une roue et de son axe et roue pour un tel ensemble.

Family Cites Families (13)

* Cited by examiner, † Cited by third party
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CH338146A (de) *	1957-09-06	1959-04-30	Ebauchesfabrik Eta Ag	Rutschkupplung, insbesondere für Uhren
CH1022571A4 (de) *	1971-07-12	1973-05-30
JPS5429987B2 (de)	1973-12-10	1979-09-27
JPH0314482U (de) *	1989-06-27	1991-02-14
EP1445670A1 (de) *	2003-02-06	2004-08-11	ETA SA Manufacture Horlogère Suisse	Spiralfeder der Resonatorunruh und Fabrikationsmethode
JP2006071503A (ja) *	2004-09-02	2006-03-16	Seiko Epson Corp	時計用車および時計
EP1857891A1 (de) *	2006-05-17	2007-11-21	Patek Philippe Sa	Spiralfeder-Spiralrollegesamtheit für ein Uhrwerk
JP5753252B2 (ja) *	2010-03-25	2015-07-22	ロレックス・ソシエテ・アノニムＲｏｌｅｘＳａ	非円形の開口部を有する切込み付きヒゲ玉
WO2013045706A2 (fr) *	2011-09-29	2013-04-04	Rolex S.A.	Ensemble monolithique ressort spiral-virole
HK1186057A2 (en) *	2013-01-14	2014-03-07	Master Dynamic Limited	Stress-relief elastic structure of hairspring collet
WO2014127706A1 (zh) *	2013-02-23	2014-08-28	Wu Zhongyi	石英手表机芯
CN103676601A (zh) *	2014-01-03	2014-03-26	福州小神龙表业技术研发有限公司	一种钟表的摩擦机构
EP2977829B1 (de) *	2014-07-24	2017-07-12	ETA SA Manufacture Horlogère Suisse	Anordnung mit beweglichem Bremselement einer Uhr

2014
- 2014-06-18 CH CH00920/14A patent/CH709792A2/fr not_active Application Discontinuation
- 2014-06-18 EP EP14172870.9A patent/EP2957963B1/de active Active
2015
- 2015-06-05 EP EP15727642.9A patent/EP3158402B1/de active Active
- 2015-06-05 WO PCT/EP2015/062542 patent/WO2015193123A1/fr not_active Ceased
- 2015-06-05 JP JP2016547098A patent/JP6276864B2/ja active Active
- 2015-06-05 CN CN201580031842.6A patent/CN106537262B/zh active Active
- 2015-06-05 US US15/309,452 patent/US10365608B2/en active Active

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR1061488A (fr) *	1951-08-23	1954-04-13	D Ebauches Eta S A Fab	Perfectionnement aux montres avec aiguille de seconde pivotée au oentre du mouvement
JPS5091562U (de) *	1973-12-20	1975-08-01
JPS59135385A (ja) *	1983-01-25	1984-08-03	Seiko Epson Corp	指針表示式時計の番車スベリ機構
US20060187768A1 (en) *	2005-02-22	2006-08-24	Takuya Murazumi	Gear structure and timepiece having the same
CH701075B1 (fr) *	2007-03-02	2010-11-30	Richemont Int Sa	Ensemble formé d'une roue et de son axe et roue pour un tel ensemble.

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP3270235A4 (de) *	2015-03-11	2019-01-23	Citizen Watch Co., Ltd.	Leistungsübertragender körper einer uhr und verfahren zur herstellung eines leistungsübertragenden körpers einer uhr
US10303121B2 (en)	2015-03-11	2019-05-28	Citizen Watch Co., Ltd.	Power transmission body of timepiece and method of manufacturing power transmission body of timepiece
EP3667431A1 (de) *	2018-12-13	2020-06-17	Montres Breguet S.A.	Mobile anzeigeeinheit einer uhr mit reibungsregulierungsmechanismus
CH716553A1 (fr) *	2019-08-30	2021-03-15	Lvmh Swiss Mft Sa Zenith Succursale De Lvmh Swiss Mft Sa	Ressort de friction et mécanisme horloger limitant le couple transmis entre deux pièces rotatitves.

Also Published As

Publication number	Publication date
EP3158402B1 (de)	2018-08-22
CH709792A2 (fr)	2015-12-31
JP2017503181A (ja)	2017-01-26
EP2957963B1 (de)	2017-10-25
CN106537262B (zh)	2018-11-23
CN106537262A (zh)	2017-03-22
JP6276864B2 (ja)	2018-02-07
WO2015193123A1 (fr)	2015-12-23
US10365608B2 (en)	2019-07-30
US20170185040A1 (en)	2017-06-29
EP3158402A1 (de)	2017-04-26

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