EP2781970A1 - Spiralfederregulierungsmechanismus einer Uhr - Google Patents

Spiralfederregulierungsmechanismus einer Uhr Download PDF

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Publication number
EP2781970A1
EP2781970A1 EP13160029.8A EP13160029A EP2781970A1 EP 2781970 A1 EP2781970 A1 EP 2781970A1 EP 13160029 A EP13160029 A EP 13160029A EP 2781970 A1 EP2781970 A1 EP 2781970A1
Authority
EP
European Patent Office
Prior art keywords
bridge
pin
pins
integral
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.)
Granted
Application number
EP13160029.8A
Other languages
English (en)
French (fr)
Other versions
EP2781970B1 (de
Inventor
Marc Stranczl
Thierry Hessler
Jean-Luc Helfer
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.)
Nivarox Far SA
Nivarox SA
Original Assignee
Nivarox Far SA
Nivarox 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.)
Filing date
Publication date
Application filed by Nivarox Far SA, Nivarox SA filed Critical Nivarox Far SA
Priority to CH00632/13A priority Critical patent/CH707814A2/fr
Priority to EP13160029.8A priority patent/EP2781970B1/de
Priority to TW103104729A priority patent/TWI612401B/zh
Priority to US14/204,098 priority patent/US9217992B2/en
Priority to JP2014054681A priority patent/JP5806752B2/ja
Priority to KR1020140031462A priority patent/KR101514920B1/ko
Priority to CN201410102830.5A priority patent/CN104062884B/zh
Publication of EP2781970A1 publication Critical patent/EP2781970A1/de
Priority to HK15102952.5A priority patent/HK1202655A1/xx
Application granted granted Critical
Publication of EP2781970B1 publication Critical patent/EP2781970B1/de
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
    • 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
    • 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
    • G04B17/04—Oscillators acting by spring tension
    • G04B17/06—Oscillators with hairsprings, e.g. balance
    • 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
    • G04B18/025—Fixing of the indexing device

Definitions

  • the invention relates to a mechanism for adjusting the active length of a clockwork spring whose external end is fixed to a stud fixed to a bridge, said mechanism comprising two pins for pinching or touching, during operation of the hairspring. the outer turn of said spiral spring.
  • the invention also relates to a mechanical clockwork comprising at least one such mechanism.
  • the invention relates to the field of watch mechanisms, and more particularly to movements with a regulating member comprising an adjustable or pre-adjustable active length spiral spring. It concerns in particular the field of movements integrating ready-to-use functional modules.
  • the modules do not always allow the reduction in the number of components, which can both lower the cost of production, and a simplification of the assembly range, allowing medium technical staff to assemble and adjust the most complex functions.
  • the adjustment of the active length of the hairspring is conventionally made by a multi-component, expensive and cumbersome raquetry.
  • the invention proposes to provide a mechanism for adjusting the active length of a spiral, with a reduced number of components, and easy assembly and adjustment.
  • the present invention uses for this purpose the new micro-component manufacturing technologies, MEMS, "LIGA”, lithography, and the like, to optimize the manufacture of such modules, presented here as cassettes.
  • These cassettes may, as the case may be assembled together irreversibly as in the two applications above, or be positioned and assembled in a conventional manner.
  • the invention relates to an active length adjustment mechanism of a clockwork spring whose outer end is fixed to a stud fixed to a bridge, said mechanism comprising two pins for pinching or touching, when operation of the hairspring, the outer turn of said hairspring, characterized in that said two pins are integral with said bridge.
  • At least one of said pins is fixed to said bridge by one-piece elastic return means with said at least one pin and said bridge, and which tend to bring it closer to the other said pin.
  • said piton is integral with said bridge.
  • said pin is fixed to said bridge by one-piece elastic return means with said pin and said bridge.
  • said spiral spring is integral with said pin.
  • said spiral spring is integral with said pin and with said bridge.
  • the invention also relates to a mechanical clockwork comprising at least one such mechanism.
  • the monolithic mechanism has the main advantage of ensuring the distances and form a mechanism, particularly an oscillator in a preferred application, ready to use.
  • a mechanism according to the invention has a great industrial advantage: the mechanism, including an oscillator, cassette forms a component ready to mount in a movement. None prohibits, moreover, to design an entire movement in the form of a mechanism according to the invention.
  • the invention relates to the field of watch mechanisms, and more particularly to regulating devices.
  • the invention relates in particular to the adjustment of the active length of a spiral spring, and preferably in the context of movements incorporating ready-to-use functional modules.
  • the adjustment of the active length of the outer turn of the hairspring 71 can be done in different ways.
  • the invention relates to a mechanism 1 for adjusting the active length of a clock spring 71, whose outer end is fixed to a pin 73 fixed to a bridge 3.
  • This mechanism 1 comprises two pins 74 for pinching or touching, during operation of the hairspring, the outer coil 77 of the hairspring 71, away from the pin 73, to determine the active length of the hairspring limited to the point of pinching or contact.
  • these two pins 74 are integral with the bridge 3.
  • At least a first of these pins 74 is fixed to the bridge 3 by elastic return means 76 integral with this at least one pin 74 and the bridge 3.
  • These elastic return means 76 tend to bring this first pin 74 of the other pin 74.
  • These elastic return means 76 are in particular constituted by one or more flexible elements, located either in the plane of the spiral 71, or in the plane of the bridge 3, or in any other plane.
  • the hairspring 71 and / or the pins 74A or 74B may be locally notched in order to allow the realization of a discrete type of adjustment notch notch.
  • this stud 73 is fixed to the bridge 3 by resilient return means 75 integral with the stud 73 and the bridge 3.
  • the piton 73 is integral with the bridge 3.
  • the hairspring 71 is made in one piece with a pin 73 to which it is attached by its outer turn 77.
  • This pin 73 is itself integrally formed with the bridge 3, to which it is connected by integrated resilient return means 75 monobloc with the pin 73 and the bridge 3.
  • the adjustment in position of this pin made by adjusting the elasticity of the elastic return means, is maintained by locking means, not shown on the figure 5 but of which an example is found in Figures 8 to 10 .
  • This attachment mode of the stud is applicable in the same way, either to one of the pins 74, or to the two pins 74A and 74B independently of one another, or to the pair of pins 74A and 74B held together.
  • each mechanism is described for the sole case of piton, the skilled person will transpose it to a pin, a pair of pins, a balance bearing, or other.
  • the spiral spring 71 is integral with the piton 73.
  • figure 6 thus represents a variant where the hairspring 71 is also made in one piece with a pin 73, itself made integrally with the bridge 3, and where the outer end of the hairspring is pinched, away from the pin 73, by pins 74A and 74B monoblock with the bridge 3, together constituting the equivalent of a racket 74 to modify the active length of the hairspring 71.
  • the hairspring 71 is held in such a flexible racket 74 with pins 74A and 74B, which racket 74 is integral with the bridge 3, without the hairspring 71 necessarily being integral with the pin 73 or with the bridge 3.
  • the spiral spring 71 is integral with the stud 73 and with the bridge 3 which is itself, according to the invention, integral with the pins 74.
  • the Figures 8, 9 and 10 represent, in plan view, a monolithic assembly comprising adjustment means in position of a component also integrated in this assembly, these adjustment means being immobilizable in position by locking means; the component to be adjusted can be the piton 73 external holding spiral 71, or one of the adjusting pins 74A, 74B, its active length, or all of the two pins 74A and 74B.
  • At least the bridge 3 comprises an adjustable mechanism in position 80 comprising a rigid structure 81 carrying (in particular constituted by the bridge plate itself), by means of at least one elastic blade 83 , an adjustable component in position 82.
  • This adjustable component 82 carries, or at least one of said pins 74, or the pin 73 or a pivot point.
  • the mechanism 80 comprises indexing means 84 arranged to cooperate with complementary indexing means 91 that includes a setting mechanism 90.
  • These complementary indexing means 91 are detachably mounted indexing means 84, and are lockable in position of cooperation by a blocking mechanism 94 elastically fixed to the structure 81.
  • the locking mechanism 94 is itself subjected to the action of a locking mechanism 98 which allows it to occupy, or a disengaged position in which the adjustment mechanism 90 is free, or an engaged position in which the blocking mechanism 94 hinders the adjustment mechanism 90.
  • This locking mechanism is also being fixed elastically to the structure 81.
  • at least one of the functional components such as piton 73 or pin 74 is adjustable in position and is immobilizable in a pre-set position by locking means.
  • the mechanism 1 comprises such an adjustable mechanism in position 80.
  • the Figures 8 and 9 illustrate a non-limiting application to the angular positioning of a peg 73 for holding a hairspring.
  • This adjustable mechanism in position 80 comprises a rigid structure 81 which carries, via at least one resilient blade 83, an adjustable component in position 82.
  • This rigid structure 81 may be plate 2, bridge 3, or one of the integral components unmountable 20 that includes the mechanism 1.
  • this adjustable component in position 82 comprises indexing means 84, which are arranged to cooperate with means complementary indexing 91, here constituted by a comb, or a toothed sector, which comprises an adjusting mechanism 90.
  • These complementary indexing means 91 are mounted disengageable indexing means 84. They are still lockable in cooperation position by a blocking mechanism 94.
  • This blocking mechanism 94 is resiliently fastened to the structure 81 by at least one flexible element 96, and is preferably itself subjected to the action of a locking mechanism which allows it to occupy, or a position disengaged in which the adjustment mechanism 90 is free, or an engaged position in which the blocking mechanism 94 obstructs the adjustment mechanism 90.
  • This locking mechanism comprises at least one flexible element 98 springing and elastically fixed to the structure 81, this at less a flexible element 98 here comprises a spout 99 which cooperates with a spout 97 of the blocker 94 to keep the blocker spread during adjustment in position, or with a complementary stop surface 95 of the blocker 94 in the safety of the blocker when the adjustment in position is performed.
  • the latter is shaped fork, so as to limit the stroke of an arm 93 that includes the comb 91.
  • the figure 9 illustrates a similar example where the comb 91 is held between two substantially aligned flexible blades 92 and 92A, and forms a bistable component, working in buckling substantially aligned, the assembly can occupy two stable positions: a first armed position A where the comb 91 cooperates with a finger 84 of a mobile peg 82, and a second disarmed position B where it is disengaged.
  • the figure 10 illustrates a similar mechanism with a comb 91 immobilizing an index 84 located at the end of a flexible blade 83, the comb 91 being pressed on this index 84 by a locking spring blade 96 belonging to the blocker 94, itself immobilized by a locking pin 99 mounted on at least one flexible blade 98, this finger 99 cooperating with a stop surface 97 of the blade 96.
  • this combined mechanism of adjustment, locking and locking illustrated here for a particular application of adjusting a stud in a race concentric to the axis of a spiral, is applicable to a wide variety of applications: positioning of a bearing, a stop, or other.
  • the mechanism 1 according to the invention is made of silicon, and said intrinsic elastic return means that it comprises are prestressed in an oxidized state of silicon.
  • the unbreakable monobloc component is made of micro-machinable material, or silicon, or oxidized silicon, and the intrinsic elastic return means of the unmountable monobloc component are prestressed in an oxidized state silicon.
  • Other materials according to MEMS or "LIGA" technologies can be implemented. Quartz, DLC, at least partially amorphous materials, metallic glasses, can, and not exclusively, be used for these applications.
  • a particular structuring of the bridge 3, and / or unmountable monobloc components may make it possible to compensate for the effects of the expansion of these structural elements, or of the components of the mechanism of the mechanism 1. It is for example possible to realize the platinum in silicon, then oxidation, in order to work coherently.
  • the unbreakable integral component of the mechanism 1 comprises breakable elements, intended to facilitate its assembly in an upper assembly, it is sufficient to then break these breakable elements to give one or more degrees of freedom to some of its constituents.
  • the intrinsic elastic return means comprise at least one bistable or multistable flexible element, as visible for example on the figure 9 , which shows a working bistable element, and having a comb 91 between at least two resilient blades 92 and 92A, the assembly can occupy two stable positions: a first armed position A where the comb 91 cooperates with a finger 84 of a peak 82, and a second disarmed position B where it is disengaged.
  • first resilient flexible blade 92 and the second resilient flexible blade 92A are substantially aligned, and together constitute a bistable member working in buckling mode.
  • the complementary indexing means 91 are attached to the rigid structure 81 suspended between more than two resilient flexible blades, the assembly forming a bistable or multistable element and able to occupy at least two stable positions, a first armed position A where the complementary indexing means 91 cooperate with the indexing means 84, and a second disarmed position B where they are disengaged.
  • these blades in a number greater than two, are not collinear.
  • the bridge 3 incorporates pins for limiting the clearance of the hairspring 71 (other than the pins 74 for adjusting its active length), which are integral with this bridge 3.
  • the invention also relates to a mechanical clockwork movement 100 comprising at least one such mechanism 1.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Springs (AREA)
  • Micromachines (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
EP13160029.8A 2013-03-19 2013-03-19 Spiralfederregulierungsmechanismus einer Uhr Active EP2781970B1 (de)

Priority Applications (8)

Application Number Priority Date Filing Date Title
CH00632/13A CH707814A2 (fr) 2013-03-19 2013-03-19 Mécanisme de réglage de spiral d'horlogerie.
EP13160029.8A EP2781970B1 (de) 2013-03-19 2013-03-19 Spiralfederregulierungsmechanismus einer Uhr
TW103104729A TWI612401B (zh) 2013-03-19 2014-02-13 時計游絲調整機構
US14/204,098 US9217992B2 (en) 2013-03-19 2014-03-11 Timepiece balance spring adjustment mechanism
JP2014054681A JP5806752B2 (ja) 2013-03-19 2014-03-18 時計のヒゲゼンマイの調整機構
KR1020140031462A KR101514920B1 (ko) 2013-03-19 2014-03-18 타임피스 밸런스 스프링 조절 메카니즘
CN201410102830.5A CN104062884B (zh) 2013-03-19 2014-03-19 钟表游丝调节机构
HK15102952.5A HK1202655A1 (en) 2013-03-19 2015-03-23 Timepiece balance spring adjustment mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP13160029.8A EP2781970B1 (de) 2013-03-19 2013-03-19 Spiralfederregulierungsmechanismus einer Uhr

Publications (2)

Publication Number Publication Date
EP2781970A1 true EP2781970A1 (de) 2014-09-24
EP2781970B1 EP2781970B1 (de) 2016-03-16

Family

ID=47997066

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13160029.8A Active EP2781970B1 (de) 2013-03-19 2013-03-19 Spiralfederregulierungsmechanismus einer Uhr

Country Status (8)

Country Link
US (1) US9217992B2 (de)
EP (1) EP2781970B1 (de)
JP (1) JP5806752B2 (de)
KR (1) KR101514920B1 (de)
CN (1) CN104062884B (de)
CH (1) CH707814A2 (de)
HK (1) HK1202655A1 (de)
TW (1) TWI612401B (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105652629A (zh) * 2014-11-27 2016-06-08 劳力士有限公司 用于紧固摆轮游丝的***
CH712225A1 (fr) * 2016-03-04 2017-09-15 Mft Et Fabrique De Montres Et Chronomètres Ulysse Nardin Le Locle S A Dispositif régulateur comportant un organe de correction d'anisochronisme.
EP4016198A1 (de) * 2020-12-15 2022-06-22 Patek Philippe SA Genève Verfahren zum zusammenbau eines ersten und mindestens eines zweiten mechanischen oder mikromechanischen teils in einem mechanismus und einer einteilige komponente zur implementierung des verfahrens
EP4357858A1 (de) * 2022-10-18 2024-04-24 Omega SA Spiralfeder für resonatormechanismus einer uhr mit mitteln zur einstellung der steifigkeit
WO2024141601A1 (fr) * 2022-12-28 2024-07-04 Rolex Sa Système réglant pour mouvement horloger
WO2024141600A1 (fr) * 2022-12-28 2024-07-04 Csem Système réglant pour mouvement horloger

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EP2804055B1 (de) * 2013-05-16 2016-03-09 Blancpain SA. Einheit aus einem Spiralklötzchen und einem Spiralklötzchenträger
EP2908187B1 (de) * 2014-02-17 2016-10-19 The Swatch Group Research and Development Ltd. Regulierung eines Resonators einer Uhr durch Einwirkung auf die aktive Länge einer Spiralfeder
CH709281A2 (fr) * 2014-02-17 2015-08-28 Swatch Group Res & Dev Ltd Mécanisme résonateur d'horlogerie comportant un organe oscillant portant un dispositif régulateur oscillant.
EP2908188B1 (de) * 2014-02-17 2018-06-27 The Swatch Group Research and Development Ltd. Regulierung eines resonators einer uhr durch einwirkung auf die steifheit eines elastischen rückstellmittels
CH710537A2 (fr) * 2014-12-18 2016-06-30 Swatch Group Res & Dev Ltd Oscillateur d'horlogerie à diapason.
CH711336A2 (fr) * 2015-07-16 2017-01-31 Swatch Group Res & Dev Ltd Microsystème de réglage de marche d'un oscillateur d'horlogerie.
EP3176650B1 (de) * 2015-12-02 2019-02-06 Nivarox-FAR S.A. Schutz einer uhrkomponente aus mikro-bearbeitbarem material
EP3179315B1 (de) * 2015-12-11 2019-03-27 ETA SA Manufacture Horlogère Suisse Spiralklötzchenträger mit gesicherter montage
EP3217228B1 (de) * 2016-03-07 2019-08-28 Montres Breguet S.A. Zweischneidige vorrichtung, die empfindlich auf temperaturveränderungen reagiert
CH714480A2 (fr) * 2017-12-20 2019-06-28 Swatch Group Res & Dev Ltd Dispositif de réglage autonome de la longueur active d'un spiral.
EP3654111B1 (de) * 2018-11-15 2022-02-16 Nivarox-FAR S.A. Verfahren zur messung des drehmoments einer spiralfeder einer uhr
EP3667433B1 (de) * 2018-12-12 2023-02-01 Nivarox-FAR S.A. Spiralfeder und ihr herstellungsverfahren
EP4006648A1 (de) * 2020-11-27 2022-06-01 Omega SA Spiralfeder für resonatormechanismus eines uhrwerks, der mit mitteln zur regulierung der effektiven länge dieser spiralfeder ausgestattet ist
EP4286960A1 (de) * 2022-06-02 2023-12-06 ETA SA Manufacture Horlogère Suisse Regulierorgan für uhr, das mit einer rückervorrichtung ausgestattet ist

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DE1676077U (de) * 1951-06-26 1954-05-13 Edwin Kratzmann Regulierzeiger fuer unruhgangregler in zeitmessuhren.
GB705991A (en) * 1952-07-05 1954-03-24 George Herbert Kenneth Atkinso Improvements in or relating to time pieces
DE2041114A1 (de) * 1970-08-19 1972-02-24 Graesslin Feinwerktech Gangregler fuer Zeitmessgeraete
CH577194B5 (de) * 1973-06-08 1976-06-30 Ebauches Bettlach Sa
FR2253235A1 (de) * 1973-12-03 1975-06-27 Ebauchesfabrik Eta Ag
DE7539924U (de) * 1975-12-15 1976-05-06 Jahresuhrenfabrik Gmbh Aug. Schatz & Soehne, 7740 Triberg Uhrwerk mit einem reguliersegment und einem regulierschluessel
EP1119317A1 (de) 1998-09-30 2001-08-01 Bionx Implants Oy Führungsvorrichtung zum fixieren eines bandes im knocheninneren

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105652629A (zh) * 2014-11-27 2016-06-08 劳力士有限公司 用于紧固摆轮游丝的***
EP3032354A1 (de) * 2014-11-27 2016-06-15 Rolex Sa Befestigungssystem einer spiralfeder
US9811054B2 (en) 2014-11-27 2017-11-07 Rolex Sa System for securing a balance spring
CN105652629B (zh) * 2014-11-27 2020-05-19 劳力士有限公司 用于紧固摆轮游丝的***
CH712225A1 (fr) * 2016-03-04 2017-09-15 Mft Et Fabrique De Montres Et Chronomètres Ulysse Nardin Le Locle S A Dispositif régulateur comportant un organe de correction d'anisochronisme.
EP4016198A1 (de) * 2020-12-15 2022-06-22 Patek Philippe SA Genève Verfahren zum zusammenbau eines ersten und mindestens eines zweiten mechanischen oder mikromechanischen teils in einem mechanismus und einer einteilige komponente zur implementierung des verfahrens
EP4357858A1 (de) * 2022-10-18 2024-04-24 Omega SA Spiralfeder für resonatormechanismus einer uhr mit mitteln zur einstellung der steifigkeit
WO2024141601A1 (fr) * 2022-12-28 2024-07-04 Rolex Sa Système réglant pour mouvement horloger
WO2024141600A1 (fr) * 2022-12-28 2024-07-04 Csem Système réglant pour mouvement horloger

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CN104062884B (zh) 2017-05-24
TW201447517A (zh) 2014-12-16
JP5806752B2 (ja) 2015-11-10
TWI612401B (zh) 2018-01-21
JP2014182144A (ja) 2014-09-29
US9217992B2 (en) 2015-12-22
US20140286143A1 (en) 2014-09-25
HK1202655A1 (en) 2015-10-02
EP2781970B1 (de) 2016-03-16
KR20140114783A (ko) 2014-09-29
KR101514920B1 (ko) 2015-04-23
CH707814A2 (fr) 2014-09-30
CN104062884A (zh) 2014-09-24

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