EP2290477B1 - Ensemble de fixation de l'extrémite péripherique du spiral d'un dispositif à balancier-spiral pour pièce d'horlogerie - Google Patents

Ensemble de fixation de l'extrémite péripherique du spiral d'un dispositif à balancier-spiral pour pièce d'horlogerie Download PDF

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Publication number
EP2290477B1
EP2290477B1 EP09168602.2A EP09168602A EP2290477B1 EP 2290477 B1 EP2290477 B1 EP 2290477B1 EP 09168602 A EP09168602 A EP 09168602A EP 2290477 B1 EP2290477 B1 EP 2290477B1
Authority
EP
European Patent Office
Prior art keywords
balance
spring
stud
channel
hairspring
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
EP09168602.2A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2290477A1 (fr
Inventor
Christian Schmiedchen
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.)
Glashuetter Uhrenbetrieb GmbH
Original Assignee
Glashuetter Uhrenbetrieb GmbH
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 Glashuetter Uhrenbetrieb GmbH filed Critical Glashuetter Uhrenbetrieb GmbH
Priority to EP09168602.2A priority Critical patent/EP2290477B1/fr
Priority to US12/854,689 priority patent/US8297833B2/en
Priority to CN201010267323.9A priority patent/CN101995811B/zh
Priority to JP2010188243A priority patent/JP5249292B2/ja
Publication of EP2290477A1 publication Critical patent/EP2290477A1/fr
Priority to HK11110176.2A priority patent/HK1155823A1/zh
Application granted granted Critical
Publication of EP2290477B1 publication Critical patent/EP2290477B1/fr
Active legal-status Critical Current
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
    • G04B17/00—Mechanisms for stabilising frequency
    • G04B17/32—Component parts or constructional details, e.g. collet, stud, virole or piton
    • G04B17/325—Component parts or constructional details, e.g. collet, stud, virole or piton for fastening the hairspring in a fixed position, e.g. using a block
    • 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
    • G04B18/023—Regulator or adjustment devices; Indexing devices, e.g. raquettes with means for fine adjustment of the indexing device

Definitions

  • the invention relates to a fastening assembly for the outer end of the spiral of a sprung balance device for a timepiece. It also relates to a corresponding sprung balance device for a timepiece, as well as the associated timepiece.
  • a regulating member comprising a sprung balance device.
  • the inner end of the hairspring is fixed to a ferrule provided on the axis of pivoting of the balance.
  • a peg holder housing a pin in order to fix and position the outer end of the hairspring, it is known to use a peg holder housing a pin, in combination with a clamping screw for tightening the bolt against the portion of the hairspring engaged in the bolt carrier.
  • the bolt carrier is conventionally attached to a cock also serving to fix one end of the axis of the balance.
  • the manipulations to be performed with these various elements are delicate because access is restricted and the parts are very small.
  • it is common for the spiral clamping screw or peg holder to come loose, and / or be lost during handling such as adjusting the active length of the hairspring.
  • the invention provides various means.
  • the invention firstly provides a fastening assembly of the outer end of the spiral of a sprung balance device for a timepiece as defined by claim 1 of the patent.
  • Such a device makes it easier to set up and adjust the active length of the hairspring. This ease of handling also makes it possible to obtain a finer adjustment of the active length.
  • the invention also provides a sprung balance device for a timepiece as defined by claim 6 of the patent
  • the clamping screw comprises a needle provided in the extension of the threaded body, opposite the screw head, and the stud has a housing in which the needle is insertable.
  • the tapping of the bolt carrier is preferably oriented along a substantially radial axis with respect to the ferrule axis, and made on the side remote from the channel relative to the axis of the ferrule, the bearing face of the channel being provided substantially opposite the tapping.
  • the hanger of the hairspring is convex, with a center of curvature substantially corresponding to the axis of the hairspring.
  • the stud is provided with an anti-friction pad disposed on the face of the stud designed to cooperate with the hairspring.
  • an anti-friction pad disposed on the face of the stud designed to cooperate with the hairspring.
  • the figure 1 illustrates a view of a sprung balance device for a timepiece, showing the cock 5 conventionally used to pivot one of the ends of the balance shaft A 6.
  • the other end of the balance shaft A is pivoted on the plate, in a conventional manner.
  • a shell 4 is driven on the axis of the balance and allows the attachment of the central portion of the hairspring 1.
  • the cock 5 also serves as a support for a stud holder 2 for fixing the outer end of the hairspring 1.
  • the cock 5 also supports a racket 8, provided to cooperate with the outer turn of the hairspring 1, upstream of the end to fix.
  • the bolt carrier 2 extends radially with respect to the axis of the balance 6, towards the outer turns of the spiral.
  • the angular positioning of the bolt carrier 2 is provided so as to allow the attachment of the free outer end of the hairspring 1.
  • a convex channel 3, with a center of curvature provided at the axis of the balance 6, is provided in the stud holder 2.
  • the convex shape of the channel 3 is adapted to the profile of the spiral area to be fixed, to facilitate its insertion.
  • the side of the channel 3 remote from the axis of the balance 6 is pierced by a tapped hole 14 provided radially and passing through said side.
  • the tapped hole 14 serves as a housing and positioning means for a clamping screw 11.
  • This screw 11 comprises a threaded body 12, allowing this positioning by screwing, thanks to the thread 13 of the body 12 cooperating with the corresponding internal thread of the tapped hole 14.
  • the channel 3 makes it possible to accommodate at least a portion of the peak 10.
  • the peak is provided radially movable and laterally in the channel 3.
  • Such a movable assembly makes it possible to fix the end of the spring 1 by clamping and to realize its precise positioning in the channel, so as to adjust the active length of the hairspring.
  • the stud 10 has a shape adapted to that of the channel 3 and that of the spiral 1, so as to provide a good contact surface between the stud and the adjacent face of the spiral.
  • the stud 10 is held in place in the channel 3 by the screw 11 for tightening and adjustment.
  • This screw has a dual function: it makes it possible to keep the piton 10 in position in the channel 3 before clamping the hairspring and to adjust the level or level of tightening of the hairspring 1, by making it possible to push the hairspring against a bearing face 7 of the channel 3.
  • the stud 10 is pushed against the bearing face 7, according to a force determined by the tightening / loosening rate of the screw 11. By unscrewing the screw 11, the clamping force decreases until the hairspring is free to slide in the channel 3, depending on the looseness level.
  • the function of holding the pin 10 by the clamping screw 11 is provided by a needle 15 provided in the extension of the threaded body 12 of the screw.
  • the pin 10 can be easily maintained in the channel 3 without the risk of being lost.
  • the watchmaker can focus on the positioning of the outer coil of the spiral 3 on the door bolt before tightening the screw without worrying about losing the stud and / or the screw. This configuration allows a safe and fast assembly.
  • the needle 15 is arranged in continuity with the threaded body 12, the two elements preferably forming a single piece, obtained for example by machining or by any other manufacturing means to obtain a level of accuracy in line with this type of mechanism.
  • the piton 10 illustrated at figure 2 carries an anti-friction seal 18 or pad, making it possible to slide the hairspring 1 with ease when the peg is not tight against the bearing face 7 by the screw 11. The precise adjustments of the position of attachment of the hairspring are then easy to achieve.
  • the tightening screw 11 is rotated so that the pin 10 releases the space provided for the hairspring in the channel. channel 3.
  • the hairspring is then placed and / or its longitudinal position adjusted.
  • the screw 11 is rotated so as to push the pin 10 against the hairspring which is blocked by the bearing face 7, until a sufficient tightening is obtained to prevent any slipping of the hairspring. in the channel.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Springs (AREA)
  • Pivots And Pivotal Connections (AREA)
EP09168602.2A 2009-08-25 2009-08-25 Ensemble de fixation de l'extrémite péripherique du spiral d'un dispositif à balancier-spiral pour pièce d'horlogerie Active EP2290477B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP09168602.2A EP2290477B1 (fr) 2009-08-25 2009-08-25 Ensemble de fixation de l'extrémite péripherique du spiral d'un dispositif à balancier-spiral pour pièce d'horlogerie
US12/854,689 US8297833B2 (en) 2009-08-25 2010-08-11 Assembly for securing the outer end of the balance-spring of a sprung balance device for a timepiece
CN201010267323.9A CN101995811B (zh) 2009-08-25 2010-08-24 用于固定钟表的游丝摆轮装置的游丝发条外端的组件
JP2010188243A JP5249292B2 (ja) 2009-08-25 2010-08-25 時計用のスプリング付きテンプ装置のテンプ輪スプリングの外端用組立体
HK11110176.2A HK1155823A1 (zh) 2009-08-25 2011-09-27 用於固定鐘錶的游絲擺輪裝置的游絲發條外端的組件

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP09168602.2A EP2290477B1 (fr) 2009-08-25 2009-08-25 Ensemble de fixation de l'extrémite péripherique du spiral d'un dispositif à balancier-spiral pour pièce d'horlogerie

Publications (2)

Publication Number Publication Date
EP2290477A1 EP2290477A1 (fr) 2011-03-02
EP2290477B1 true EP2290477B1 (fr) 2014-06-11

Family

ID=41538308

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09168602.2A Active EP2290477B1 (fr) 2009-08-25 2009-08-25 Ensemble de fixation de l'extrémite péripherique du spiral d'un dispositif à balancier-spiral pour pièce d'horlogerie

Country Status (5)

Country Link
US (1) US8297833B2 (zh)
EP (1) EP2290477B1 (zh)
JP (1) JP5249292B2 (zh)
CN (1) CN101995811B (zh)
HK (1) HK1155823A1 (zh)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9151351B2 (en) * 2011-06-28 2015-10-06 Controls International, Inc. Adjustable fail-safe rotary spring operator with a retaining band
EP2876505B1 (fr) * 2013-11-20 2018-11-14 ETA SA Manufacture Horlogère Suisse Porte-piton d'horlogerie à vis
EP2876504B1 (fr) 2013-11-20 2017-07-26 ETA SA Manufacture Horlogère Suisse Porte-piton d'horlogerie sans vis
JP6710041B2 (ja) * 2014-11-27 2020-06-17 ロレックス・ソシエテ・アノニムＲｏｌｅｘ Ｓａ ヒゲゼンマイ固定システム
EP3037895B1 (fr) * 2014-12-22 2017-09-20 ETA SA Manufacture Horlogère Suisse Porte-piton demontable
EP3037896B1 (fr) * 2014-12-22 2017-05-10 ETA SA Manufacture Horlogère Suisse Porte-piton demontable
GB2539922B (en) * 2015-07-01 2017-07-19 Kinetrol Ltd Spring return device
EP3273310A1 (fr) * 2016-07-20 2018-01-24 ETA SA Manufacture Horlogère Suisse Clé de raquette
GB2598095B (en) * 2020-08-10 2024-03-06 Kinetrol Ltd Spring return device
EP4006649A1 (fr) * 2020-11-27 2022-06-01 ETA SA Manufacture Horlogère Suisse Dispositif de fixation de réglage d'ébat de balancier

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH170A (de) 1889-01-26 Wilhelm Doerge Kreidehalter
US221180A (en) * 1879-08-19 1879-11-04 Improvement in hair-spring studs
US362559A (en) * 1886-08-28 1887-05-10 Screw-clamp pin for watch-regulators
US2698509A (en) * 1951-11-23 1955-01-04 Rhodes Inc M H Balance spring for clockwork mechanisms
US2982086A (en) * 1957-12-26 1961-05-02 Loretan Edouard Regulating device for a timepiece having a balance and hairspring
US3241307A (en) * 1961-11-17 1966-03-22 Hubert E Dickerman Timepiece regulating means
FR1313030A (fr) * 1962-01-31 1962-12-21 Parechoc Sa Raquetterie pour pièce d'horlogerie
US3154912A (en) * 1963-01-22 1964-11-03 Pinkas David Means for mounting and regulating the outer end of a spiral spring
CH401836A (fr) * 1963-10-28 1966-05-14 Erismann Schinz S A Dispositif de serrage de l'extrémité extérieure d'un spiral de pièce d'horlogerie
CH499803A (fr) * 1968-08-09 1970-07-31 Parechoc Sa Raquetterie pour pièce d'horlogerie
CH534909A (fr) * 1969-12-17 1972-11-30 Portescap Dispositif de fixation de l'extrémité extérieure d'un spiral de balancier d'horlogerie
CH520966A (fr) * 1970-01-02 1972-05-15 Depraz Faure S A Dispositif de fixation de l'extrémité extérieure d'un ressort spiral sur le coq d'un mouvement d'horlogerie
JPS5282453A (en) 1975-12-29 1977-07-09 Seiko Epson Corp Outer end fixing structure for balance springs
CN2149644Y (zh) * 1992-10-29 1993-12-15 大连手表工业公司 机械表的摆轮游丝调速器的外桩固定机构
JPH0643591U (ja) * 1992-11-17 1994-06-10 シチズン時計株式会社 腕時計におけるレジスターリングの取付け構造
CN1154026C (zh) * 1999-07-29 2004-06-16 精工电子有限公司 具有游丝夹调节机构的机械时计
EP1437634A1 (fr) * 2002-12-19 2004-07-14 Glashütter Uhrenbetrieb GmbH Dispositif de réglage fin pour balancier-spiral

Also Published As

Publication number Publication date
US8297833B2 (en) 2012-10-30
JP2011047941A (ja) 2011-03-10
CN101995811A (zh) 2011-03-30
US20110051565A1 (en) 2011-03-03
HK1155823A1 (zh) 2012-05-25
EP2290477A1 (fr) 2011-03-02
JP5249292B2 (ja) 2013-07-31
CN101995811B (zh) 2015-01-07

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