EP2887152A3 - Polygonal hairspring for a timepiece resonator - Google Patents

Polygonal hairspring for a timepiece resonator Download PDF

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Publication number
EP2887152A3
EP2887152A3 EP14193409.1A EP14193409A EP2887152A3 EP 2887152 A3 EP2887152 A3 EP 2887152A3 EP 14193409 A EP14193409 A EP 14193409A EP 2887152 A3 EP2887152 A3 EP 2887152A3
Authority
EP
European Patent Office
Prior art keywords
polygonal
hairspring
timepiece resonator
succession
int
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
EP14193409.1A
Other languages
German (de)
French (fr)
Other versions
EP2887152A2 (en
EP2887152B1 (en
Inventor
Thierry Conus
Jean-Luc Helfer
Laurent Jeanneret
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 EP14193409.1A priority Critical patent/EP2887152B1/en
Publication of EP2887152A2 publication Critical patent/EP2887152A2/en
Publication of EP2887152A3 publication Critical patent/EP2887152A3/en
Application granted granted Critical
Publication of EP2887152B1 publication Critical patent/EP2887152B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • G04B17/06—Oscillators with hairsprings, e.g. balance
    • G04B17/063—Balance construction
    • 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
    • G04B17/066—Manufacture of the spiral spring

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Springs (AREA)
  • Surgical Instruments (AREA)
  • Adornments (AREA)
  • Micromachines (AREA)

Abstract

Spiral (1, 21, 41, 61) pour un résonateur horloger comportant une lame (3, 23, 43, 63) enroulée sur elle-même selon plusieurs spires (S1, S2, S'1, S'2, S3, Sint). La lame (3, 23, 43, 63) est formée par une succession de portions (P1, P2, Px, P'x, Py, P'y, Pz) prismatiques solidaires entre elles ou l'une desdites au moins deux faces (Fint, Fext) opposées étant formée par une succession de portions rectangulaires solidaires entre elles afin de former un spiral (1, 21, 41, 61) polygonal.Spiral (1, 21, 41, 61) for a clock resonator comprising a blade (3, 23, 43, 63) wound on itself in several turns (S 1 , S 2 , S ' 1 , S' 2 , S 3 , S int ). The blade (3, 23, 43, 63) is formed by a succession of prismatic portions (P 1 , P 2 , P x , P ' x , P y , P' y , P z ) integral with one another or one said at least two opposite faces (F int , F ext ) being formed by a succession of rectangular portions integral with each other to form a polygonal spring (1, 21, 41, 61).

Ledit spiral est destiné au domaine des résonateurs pour pièce d'horlogerie.

Figure imgaf001
Said spiral is intended for the field of timepiece resonators.
Figure imgaf001
EP14193409.1A 2013-12-16 2014-11-17 Polygonal hairspring for a timepiece resonator Active EP2887152B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP14193409.1A EP2887152B1 (en) 2013-12-16 2014-11-17 Polygonal hairspring for a timepiece resonator

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP13197318.2A EP2884346A1 (en) 2013-12-16 2013-12-16 Polygonal hairspring for a timepiece resonator
EP14193409.1A EP2887152B1 (en) 2013-12-16 2014-11-17 Polygonal hairspring for a timepiece resonator

Publications (3)

Publication Number Publication Date
EP2887152A2 EP2887152A2 (en) 2015-06-24
EP2887152A3 true EP2887152A3 (en) 2016-06-08
EP2887152B1 EP2887152B1 (en) 2023-01-04

Family

ID=49816833

Family Applications (2)

Application Number Title Priority Date Filing Date
EP13197318.2A Withdrawn EP2884346A1 (en) 2013-12-16 2013-12-16 Polygonal hairspring for a timepiece resonator
EP14193409.1A Active EP2887152B1 (en) 2013-12-16 2014-11-17 Polygonal hairspring for a timepiece resonator

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP13197318.2A Withdrawn EP2884346A1 (en) 2013-12-16 2013-12-16 Polygonal hairspring for a timepiece resonator

Country Status (5)

Country Link
US (1) US9268307B2 (en)
EP (2) EP2884346A1 (en)
JP (1) JP5978282B2 (en)
CN (2) CN104714393B (en)
HK (1) HK1211710A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1445670A1 (en) * 2003-02-06 2004-08-11 ETA SA Manufacture Horlogère Suisse Balance-spring resonator spiral and its method of fabrication
EP2884346A1 (en) * 2013-12-16 2015-06-17 ETA SA Manufacture Horlogère Suisse Polygonal hairspring for a timepiece resonator
EP3159748B1 (en) * 2015-10-22 2018-12-12 ETA SA Manufacture Horlogère Suisse Compact hairspring with variable cross-section
CH711962B1 (en) * 2015-12-18 2017-10-31 Csem Centre Suisse D'electronique Et De Microtechnique Sa – Rech Et Développement A method of manufacturing a hairspring of predetermined stiffness with localized removal of material
DE102023133827A1 (en) 2023-01-03 2024-07-04 Damasko Präzisionstechnik GmbH & Co. KG Optical measuring method for Archimedean flat spirals and spiral springs with optimized geometry

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1546209A (en) * 1966-12-12 1968-11-15 Holding Favre Leuba S A Fixing devices for the inner end of a watch balance spring
EP2233989A1 (en) * 2009-03-24 2010-09-29 Manufacture et fabrique de montres et chronomètres Ulysse Nardin Le Locle SA Hairspring and its index-assembly
EP2407831A1 (en) * 2010-07-12 2012-01-18 Rolex Sa Hairspring for oscillator balance of a clock piece and method for manufacturing same

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US570394A (en) * 1896-10-27 Hair-spring for watches
EP1445670A1 (en) * 2003-02-06 2004-08-11 ETA SA Manufacture Horlogère Suisse Balance-spring resonator spiral and its method of fabrication
ATE466315T1 (en) * 2004-07-02 2010-05-15 Nivarox Sa CIRCULAR SPRING WITH MODIFIED OUTER CURVE
EP1791039A1 (en) * 2005-11-25 2007-05-30 The Swatch Group Research and Development Ltd. Hairspring made from athermic glass for a timepiece movement and its method of manufacture
EP2151722B8 (en) * 2008-07-29 2021-03-31 Rolex Sa Hairspring for balance-spring resonator
EP2196867A1 (en) * 2008-12-15 2010-06-16 Montres Breguet S.A. Hairspring with curve elevation made from a silicon-based material
CH701783B1 (en) * 2009-09-07 2015-01-30 Manuf Et Fabrique De Montres Et Chronomètres Ulysse Nardin Le Locle S A spiral spring watch movement.
CH702156B1 (en) * 2009-11-13 2017-08-31 Nivarox Far Sa Spiral balance resonator for a timepiece.
EP2434353B1 (en) * 2010-09-28 2018-01-10 Montres Breguet SA Anti-tripping hairspring for timepiece escapement
US9658598B2 (en) * 2012-07-17 2017-05-23 Master Dynamic Limited Hairspring for a time piece and hairspring design for concentricity
EP2884346A1 (en) * 2013-12-16 2015-06-17 ETA SA Manufacture Horlogère Suisse Polygonal hairspring for a timepiece resonator

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1546209A (en) * 1966-12-12 1968-11-15 Holding Favre Leuba S A Fixing devices for the inner end of a watch balance spring
EP2233989A1 (en) * 2009-03-24 2010-09-29 Manufacture et fabrique de montres et chronomètres Ulysse Nardin Le Locle SA Hairspring and its index-assembly
EP2407831A1 (en) * 2010-07-12 2012-01-18 Rolex Sa Hairspring for oscillator balance of a clock piece and method for manufacturing same

Also Published As

Publication number Publication date
JP2015118086A (en) 2015-06-25
EP2887152A2 (en) 2015-06-24
CN104714393A (en) 2015-06-17
JP5978282B2 (en) 2016-08-24
US9268307B2 (en) 2016-02-23
US20150168916A1 (en) 2015-06-18
EP2887152B1 (en) 2023-01-04
HK1211710A1 (en) 2016-05-27
CN204389879U (en) 2015-06-10
CN104714393B (en) 2018-01-02
EP2884346A1 (en) 2015-06-17

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