EP3001257B1 - Résonateur d'horlogerie paraxial et isochrone - Google Patents

Résonateur d'horlogerie paraxial et isochrone Download PDF

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Publication number
EP3001257B1
EP3001257B1 EP14186657.4A EP14186657A EP3001257B1 EP 3001257 B1 EP3001257 B1 EP 3001257B1 EP 14186657 A EP14186657 A EP 14186657A EP 3001257 B1 EP3001257 B1 EP 3001257B1
Authority
EP
European Patent Office
Prior art keywords
resonator
flexible strips
timepiece
weight
timepiece resonator
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
EP14186657.4A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3001257A1 (fr
Inventor
Jean-Jacques Born
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.)
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 CH01460/14A priority Critical patent/CH710188A2/fr
Priority to EP14186657.4A priority patent/EP3001257B1/fr
Priority to JP2015183560A priority patent/JP6154864B2/ja
Priority to US14/863,513 priority patent/US9429916B2/en
Priority to CN201510622746.0A priority patent/CN105467810B/zh
Priority to RU2015140956A priority patent/RU2695518C2/ru
Publication of EP3001257A1 publication Critical patent/EP3001257A1/fr
Priority to HK16111306.8A priority patent/HK1223163B/xx
Application granted granted Critical
Publication of EP3001257B1 publication Critical patent/EP3001257B1/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
    • G04B17/04—Oscillators acting by spring tension
    • 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
    • G04B1/00—Driving mechanisms
    • 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
    • G04B17/045—Oscillators acting by spring tension with oscillating blade springs
    • 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

Definitions

  • the invention relates to a clockwork resonator equipped, for watch movement, comprising at least one mass connected, by a plurality of flexible blades, to attachment points of a fixed structure constituted by a plate of a said movement. or arranged to be fixed on such a plate, said at least one mass being arranged to be subjected to a torque and / or a force, said resonator being arranged to oscillate with at least two degrees of freedom in translation, and said flexible blades being arranged to maintain oscillations of said at least one mass around a virtual pivot, wherein said flexible blades have long arms each of length at least two times greater than the shortest distance between said mass and said attachment points.
  • the invention also relates to a watch movement comprising a plate supporting, directly or indirectly via a fixed structure, at least one such resonator.
  • the invention also relates to a watch comprising such a movement.
  • the invention relates to the field of watch oscillators, and, more particularly, oscillators with flexible guidance around virtual pivots.
  • the document CH 481 411 in the name of MOVADO describes a resonator with long flexible blades in the form of loops joining a network of masses.
  • the document EP 2 151 722 A1 in the name of ROLEX describes a hairspring balance spring, which comprises at least two coplanar blades, secured by at least one of their respective homologous ends and wound in spirals with an angular offset able to neutralize the lateral forces that can be exerted on its central axis when one end of each blade is angularly displaced about said central axis relative to its other end.
  • the object of the invention is to propose a resonator, in particular a paraxial type resonator, one or more masses of which are movable in two linear and orthogonal degrees of freedom, which is naturally more isochronous than the already-guiding flexible resonators already studied.
  • the invention relates to a clock resonator according to claim 1.
  • the invention also relates to a watch movement comprising a plate supporting, directly or indirectly via a fixed structure, at least one such resonator.
  • the invention also relates to a watch comprising such a movement.
  • the invention uses, as flexible guides, very long spiral arms, to prevent displacements on a first axis X disturbing the restoring force on a second axis Y orthogonal to the first axis X, and vice versa.
  • the invention relates to a timepiece resonator 1 equipped, for watch movement 100, comprising at least one mass 2 connected by a plurality of flexible blades 3, 4, 5, 6, to gripping points 7, 8, 9, 10, of a fixed structure 11 constituted by a plate of a movement 100 or arranged to be fixed on such a plate, said at least one mass 2 being arranged to be subjected to a torque and / or effort, this resonator 1 being said here of paraxial type, that is to say arranged to oscillate with at least two degrees of freedom in translation, and the flexible blades 3, 4, 5, 6 being arranged to maintain oscillations of this at least one mass 2 around a virtual pivot w.
  • These flexible blades 3, 4, 5, 6 comprise long arms, each of which is at least twice as long as the shortest distance between the mass 2 and the attachment points 7, 8, 9, 10.
  • these long arms are all coplanar, and their developed length is greater than the circumference of the mass 2 in the same plane they occupy.
  • each of these long arms is spirally wound around this at least one mass 2.
  • the resonator 1 is of paraxial type and comprises, on the one hand, first flexible blades 4, 6, arranged to maintain oscillations of said at least one mass 2 around a virtual pivot w in a first direction X, and secondly flexible second blades 3, 5, arranged to maintain oscillations of this at least one mass 2 around the virtual pivot w in a second direction Y orthogonal to the first direction X.
  • each long arm constitutes a spiral of more than one turn.
  • each long arm constitutes a spiral comprising an integer number of turns to which is added a half-turn.
  • each long arm is sinuously profiled on either side of a radial, resulting from the virtual pivot w of the mass 2, and without a cusp.
  • each long arm has a developed length greater than the largest circumference of the mass 2.
  • the first flexible blades 4, 6 are identical to each other and symmetrical with respect to the virtual pivot w in the absence of excitation of the resonator 1
  • the second flexible blades 3, 5 are identical to each other and symmetrical with respect to the virtual pivot w in the absence of excitation of the resonator 1.
  • first flexible blades 4, 6, and the second flexible blades 3, 5 are all identical.
  • first flexible blades 4, 6 are even in number
  • second so-called flexible blades 3, 5 are even in number
  • first flexible blades 4, 6, and the second so-called flexible blades 3, 5, are in equal number.
  • first flexible blades 4, 6 are coplanar with each other and the second flexible blades 3, 5 are coplanar with each other.
  • the resonator 1 is plane, and the flexible blades 4, 6, and the second flexible blades 3, 5 are all coplanar with each other.
  • the pitch of the spiral is variable along the spiral for each of the first flexible blades 4, 6 and the second flexible blades 3, 5.
  • the thickness of the spiral is variable along the spiral, for each of the first flexible blades 4, 6 and the second flexible blades 3, 5.
  • the mass 2 is unique.
  • the mass 2 has a center of inertia coincides with the virtual pivot w in the absence of excitation of the resonator 1.
  • the resonator 1 comprises a plurality of masses 2, 20, concentric with each other around the virtual pivot ⁇ , each innermost of the masses being suspended to the next by first flexible blades 4, 6 and second flexible blades 3, 5 , and the outermost of the masses being suspended from the structure 11 by first flexible blades 40, 60 and second flexible blades 30, 50.
  • the long arms are wound in spirals of opposite direction.
  • the long arms are wound in spirals of the same direction.
  • a particular achievement, as visible on the figure 5 , of 1 paraxial plane resonator according to the invention, comprises a mass 2 suspended by four flexible blades 3, 4, 5, 6, forming long S-shaped sinuous profile arms, each on either side of a radial, Y +, X +, Y-, X-, from a virtual pivot w of mass 2, without a cusp.
  • the resonator 1 constitutes a one-piece component comprising the structure 11, the mass 2 or the masses 2, 20, the first flexible blades 4, 6, and the second flexible blades 3, 5.
  • the resonator 1 comprises flexible blades distributed in superposition on several planes, in particular in several parallel planes.
  • flexible blades in a first plane tend to print a return torque in a first direction
  • flexible blades, attached to the same mass, in a second plane tend to print a return torque in a second direction contrary to this first sense.
  • the resonator 1 further comprises an anti-shock device and torque limiting means, in particular based on the relative support of the different arms on each other, or the different meanders that form the same arm , in the example of the figure 5 , on each other ..
  • this resonator 1 is made of micro-machinable material or silicon or silicon oxide, or the like.
  • an oxide layer makes it possible to overcome the problem of thermal compensation.
  • it can be made of quartz, or the like.
  • the invention also relates to a watch movement 100 comprising a plate supporting, directly or indirectly via a fixed structure 11, at least one such resonator 1.
  • the invention also relates to a watch 200 comprising such a movement 100.
  • the resonator 1 allows the mass 2, which it comprises, to adopt a trajectory of curvilinear translation, or even more particularly, of elliptical translation.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Electromechanical Clocks (AREA)
  • Electric Clocks (AREA)
  • Gyroscopes (AREA)
EP14186657.4A 2014-09-26 2014-09-26 Résonateur d'horlogerie paraxial et isochrone Active EP3001257B1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
CH01460/14A CH710188A2 (fr) 2014-09-26 2014-09-26 Résonateur d'horlogerie paraxial et isochrone.
EP14186657.4A EP3001257B1 (fr) 2014-09-26 2014-09-26 Résonateur d'horlogerie paraxial et isochrone
JP2015183560A JP6154864B2 (ja) 2014-09-26 2015-09-17 等時性の近軸の計時器用共振器
US14/863,513 US9429916B2 (en) 2014-09-26 2015-09-24 Isochronous paraxial timepiece resonator
CN201510622746.0A CN105467810B (zh) 2014-09-26 2015-09-25 等时近轴时计谐振器
RU2015140956A RU2695518C2 (ru) 2014-09-26 2015-09-25 Изохронный параксиальный часовой резонатор
HK16111306.8A HK1223163B (en) 2014-09-26 2016-09-27 Isochronous paraxial timepiece resonator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP14186657.4A EP3001257B1 (fr) 2014-09-26 2014-09-26 Résonateur d'horlogerie paraxial et isochrone

Publications (2)

Publication Number Publication Date
EP3001257A1 EP3001257A1 (fr) 2016-03-30
EP3001257B1 true EP3001257B1 (fr) 2018-01-17

Family

ID=51610054

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14186657.4A Active EP3001257B1 (fr) 2014-09-26 2014-09-26 Résonateur d'horlogerie paraxial et isochrone

Country Status (6)

Country Link
US (1) US9429916B2 (enExample)
EP (1) EP3001257B1 (enExample)
JP (1) JP6154864B2 (enExample)
CN (1) CN105467810B (enExample)
CH (1) CH710188A2 (enExample)
RU (1) RU2695518C2 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11520292B2 (en) 2018-12-13 2022-12-06 Eta Sa Manufacture Horlogere Suisse Timepiece resonator comprising at least one flexure bearing

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3147725B1 (fr) * 2015-09-28 2018-04-04 Nivarox-FAR S.A. Oscillateur a detente tournante
EP3326963B1 (fr) * 2016-11-23 2020-01-01 The Swatch Group Research and Development Ltd Lame flexible pour l'horlogerie et procede de fabrication
EP3336613B1 (fr) * 2016-12-16 2020-03-11 Association Suisse pour la Recherche Horlogère Resonateur pour piece d'horlogerie comportant deux balanciers agences pour osciller dans un meme plan
WO2018146639A1 (fr) * 2017-02-13 2018-08-16 Patek Philippe Sa Geneve Organe moteur d'horlogerie
EP3561606B1 (fr) * 2018-04-27 2022-01-26 The Swatch Group Research and Development Ltd Protection antichoc d'un résonateur à lames a pivot rcc
EP3992728A1 (fr) * 2020-10-29 2022-05-04 The Swatch Group Research and Development Ltd Guidage flexible avec table de translation pour mecanisme resonateur rotatif, notamment d'un mouvement d'horlogerie
EP4248278A1 (fr) * 2020-11-17 2023-09-27 Patek Philippe SA Genève Organe horloger comprenant au moins une lame ressort

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2151722A1 (fr) * 2008-07-29 2010-02-10 Rolex Sa Spirale pour résonateur balancier-spirale

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1951995A (en) * 1931-12-12 1934-03-20 Schaad Ernest Balance-wheel for watches and other horological instruments
CH406984A (de) 1964-01-20 1965-09-15 Centre Electron Horloger Mechanischer Resonator für Normalfrequenzoszillatoren in Zeitmessgeräten
CH452443A (fr) * 1964-07-10 1968-05-31 Movado Montres Oscillateur pour pièces d'horlogerie
CH421827A (de) 1964-07-31 1967-04-15 Centre Electron Horloger Mechanischer Resonator für Normalfrequenzoszillatoren in Zeitmessgeräten
CH481411A (fr) * 1967-06-27 1969-12-31 Movado Montres Résonateur de rotation mécanique pour appareil de mesure du temps
CH510902A (fr) * 1967-06-27 1971-01-29 Movado Montres Résonateur de rotation mécanique pour appareil de mesure du temps
CH1077168A4 (enExample) * 1968-07-18 1971-03-15
CH1077268A4 (enExample) * 1968-07-18 1971-03-15
DE2714020C2 (de) * 1977-03-30 1983-02-10 Werner 7730 Villingen-Schwenningen Beiter Zahnrad aus thermoplastischem Kunststoff zur Übertragung kleiner Drehmomente
ATE421717T1 (de) * 1999-09-17 2009-02-15 Eta Sa Mft Horlogere Suisse Stossfeste vorrichtung für einen durch eine schwungmasse angetriebenen generator
CH696211A5 (fr) * 2002-12-11 2007-02-15 Franck Muller Watchland Sa Dispositif destiné à permettre une rotation dans un sens et de l'exclure dans le sens contraire.
EP1843225B1 (fr) * 2006-04-07 2009-07-15 ETA SA Manufacture Horlogère Suisse Mécanisme inverseur pour entraînement rotatif unidirectionnel d'un mobile
DE602008006057D1 (de) * 2008-07-04 2011-05-19 Swatch Group Res & Dev Ltd Gekoppelte Resonatoren für Uhr
WO2012010408A1 (fr) * 2010-07-19 2012-01-26 Nivarox-Far S.A. Mecanisme oscillant a pivot elastique et mobile de transmission d'energie
EP2437126B1 (fr) * 2010-10-04 2019-03-27 Rolex Sa Organe regulateur balancier-spiral
RU2607339C9 (ru) * 2012-03-29 2017-02-22 Ниварокс-Фар С.А. Механизм анкерный гибкий с подвижной рамой

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2151722A1 (fr) * 2008-07-29 2010-02-10 Rolex Sa Spirale pour résonateur balancier-spirale

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11520292B2 (en) 2018-12-13 2022-12-06 Eta Sa Manufacture Horlogere Suisse Timepiece resonator comprising at least one flexure bearing
US11520291B2 (en) 2018-12-13 2022-12-06 Eta Sa Manufacture Horlogère Suisse Timepiece resonator comprising at least one flexure bearing

Also Published As

Publication number Publication date
EP3001257A1 (fr) 2016-03-30
RU2695518C2 (ru) 2019-07-23
US9429916B2 (en) 2016-08-30
RU2015140956A3 (enExample) 2019-03-28
JP6154864B2 (ja) 2017-06-28
CH710188A2 (fr) 2016-03-31
RU2015140956A (ru) 2017-03-30
US20160091862A1 (en) 2016-03-31
CN105467810B (zh) 2017-11-28
CN105467810A (zh) 2016-04-06
HK1223163A1 (zh) 2017-07-21
JP2016070928A (ja) 2016-05-09

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