EP1302821A3 - Balance-spring for time measuring apparatus - Google Patents

Balance-spring for time measuring apparatus Download PDF

Info

Publication number
EP1302821A3
EP1302821A3 EP02022693A EP02022693A EP1302821A3 EP 1302821 A3 EP1302821 A3 EP 1302821A3 EP 02022693 A EP02022693 A EP 02022693A EP 02022693 A EP02022693 A EP 02022693A EP 1302821 A3 EP1302821 A3 EP 1302821A3
Authority
EP
European Patent Office
Prior art keywords
spring
balance
measuring apparatus
time measuring
ferrule
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.)
Withdrawn
Application number
EP02022693A
Other languages
German (de)
French (fr)
Other versions
EP1302821A2 (en
Inventor
Franck Muller
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.)
Franck Mueller Watchland SA
Original Assignee
Franck Mueller Watchland 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 Franck Mueller Watchland SA filed Critical Franck Mueller Watchland SA
Publication of EP1302821A2 publication Critical patent/EP1302821A2/en
Publication of EP1302821A3 publication Critical patent/EP1302821A3/en
Withdrawn legal-status Critical Current

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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Springs (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

Ressort spiral pour instrument d'horlogerie réalisé d'une seule pièce sans discontinuité moléculaire avec sa virole.

Figure imgaf001
Spiral spring for a horological instrument made in one piece without molecular discontinuity with its ferrule.
Figure imgaf001
EP02022693A 2001-10-10 2002-10-10 Balance-spring for time measuring apparatus Withdrawn EP1302821A3 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CH19042001 2001-10-10
CH19042001 2001-10-10
US10/383,035 US7018092B2 (en) 2001-10-10 2003-03-06 Spiral spring for time measuring device
JP2003070725A JP2004279203A (en) 2001-10-10 2003-03-14 Hair spring for time piece

Publications (2)

Publication Number Publication Date
EP1302821A2 EP1302821A2 (en) 2003-04-16
EP1302821A3 true EP1302821A3 (en) 2010-05-05

Family

ID=33436838

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02022693A Withdrawn EP1302821A3 (en) 2001-10-10 2002-10-10 Balance-spring for time measuring apparatus

Country Status (3)

Country Link
US (1) US7018092B2 (en)
EP (1) EP1302821A3 (en)
JP (1) JP2004279203A (en)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2842313B1 (en) 2002-07-12 2004-10-22 Gideon Levingston MECHANICAL OSCILLATOR (BALANCING SYSTEM AND SPIRAL SPRING) IN MATERIALS FOR REACHING A HIGHER LEVEL OF PRECISION, APPLIED TO A WATCHMAKING MOVEMENT OR OTHER PRECISION INSTRUMENT
EP1431844A1 (en) * 2002-12-19 2004-06-23 SFT Services SA Assembly for the regulating organ of a watch movement
EP1445670A1 (en) 2003-02-06 2004-08-11 ETA SA Manufacture Horlogère Suisse Balance-spring resonator spiral and its method of fabrication
EP2003523B1 (en) 2003-09-02 2011-06-22 Patek Philippe SA Genève Horological collet
DE60333191D1 (en) * 2003-09-26 2010-08-12 Asulab Sa Spiral spring balance resonator with thermal compensation
GB0324439D0 (en) 2003-10-20 2003-11-19 Levingston Gideon R Minimal thermal variation and temperature compensating non-magnetic balance wheels and methods of production of these and their associated balance springs
ATE421720T1 (en) 2004-04-06 2009-02-15 Nivarox Sa SPIRAL ROLL WITHOUT DEFORMATION OF THE FIXATION RADIUS OF THE SPIRAL SPRING AND PRODUCTION METHOD OF SUCH SPIRAL ROLL
EP1596259A1 (en) * 2004-05-10 2005-11-16 Precision Engineering AG Method of manufacture of thin metallic bodies, particularly watch parts
ATE470086T1 (en) * 2004-06-08 2010-06-15 Suisse Electronique Microtech BALANCE SPRING OSCILLATOR WITH TEMPERATURE COMPENSATION
EP1637940B1 (en) * 2004-08-31 2011-07-20 Patek Philippe SA Genève Collet for timepieces
JP2006234528A (en) * 2005-02-24 2006-09-07 Seiko Instruments Inc Speed governing mechanism and mechanical timepiece equipped with it
EP1886194A2 (en) * 2005-05-14 2008-02-13 Gideon Levingston Balance spring, regulated balance wheel assembly and methods of manufacture thereof
EP1818736A1 (en) * 2006-02-09 2007-08-15 The Swatch Group Research and Development Ltd. Shockproof collet
EP1868045B1 (en) * 2006-06-12 2019-02-20 Patek Philippe SA Genève Horological collet
WO2008029158A2 (en) * 2006-09-08 2008-03-13 Gideon Levingston Thermally compensating balance wheel
DE102006052245A1 (en) * 2006-11-03 2008-05-08 Lange Uhren Gmbh Oscillation system for a clock
DE602008001778D1 (en) * 2008-03-20 2010-08-26 Nivarox Sa Monoblock double spiral and its manufacturing process
EP2105807B1 (en) 2008-03-28 2015-12-02 Montres Breguet SA Monobloc elevated curve spiral and method for manufacturing same
EP2264553B1 (en) * 2009-06-19 2016-10-26 Nivarox-FAR S.A. Thermocompensated spring and manufacturing method thereof
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.
EP2550566B1 (en) 2010-03-25 2019-11-06 Rolex S.A. Split collet with a non-circular opening
EP2690507B1 (en) * 2012-07-26 2014-12-31 Nivarox-FAR S.A. Holorological hairspring
EP2881804B1 (en) * 2013-12-09 2017-08-02 Montres Breguet S.A. Hairspring-stud assembly for timepiece
EP2908183B1 (en) * 2014-02-14 2018-04-18 ETA SA Manufacture Horlogère Suisse Clock hairspring
EP3037895B1 (en) * 2014-12-22 2017-09-20 ETA SA Manufacture Horlogère Suisse Detachable stud support
EP3217228B1 (en) * 2016-03-07 2019-08-28 Montres Breguet S.A. Bimetal device sensitive to temperature changes
TWI641769B (en) * 2016-10-04 2018-11-21 王文資 Multidirectional damping device
WO2019103977A1 (en) * 2017-11-21 2019-05-31 Firehouse Horology, Inc. Geometries for hairsprings for mechanical watches enabled by nanofabrication

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1440878U (en) * 1900-01-01
US2057642A (en) * 1935-05-20 1936-10-13 Eddison William Barton Hairspring assembly for timepieces
GB1208531A (en) * 1968-03-25 1970-10-14 Louis William Berthoud Hairspring
FR2136084A5 (en) * 1971-04-02 1972-12-22 Haas Carl Firme
CH539871A (en) * 1966-10-11 1973-09-14 Nationale De Ressorts S A Fab Spiral for watch movement
DE2333446A1 (en) * 1973-06-30 1975-01-16 Junghans Gmbh Geb Balance-spring outer end fastening - is for use with synthetic material particularly in electric clocks

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2335974A (en) * 1942-04-17 1943-12-07 Homer H Simpson Spring collet
US2842935A (en) * 1956-03-15 1958-07-15 Robert I Bradley Spring and collet assemblies
US3673376A (en) * 1968-08-26 1972-06-27 Jean Claude Kullmann Method for attaching the inner end of a balance spring to its collet
CH496977A (en) * 1968-11-29 1970-06-15 Portescap Le Porte Regulator device for timepiece
US3696607A (en) * 1971-02-22 1972-10-10 Bunker Ramo Center set for clocks
US3871095A (en) * 1971-08-26 1975-03-18 Citizen Watch Co Ltd Process for the manufacture of hair spring collet
CH1827672A4 (en) * 1972-12-15 1974-11-29
CH577194B5 (en) * 1973-06-08 1976-06-30 Ebauches Bettlach Sa
CH871474A4 (en) * 1974-06-25 1977-02-28
CH692532A5 (en) * 1997-10-21 2002-07-15 Ebauchesfabrik Eta Ag A method of making a balance spring for a horological movement.

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1440878U (en) * 1900-01-01
US2057642A (en) * 1935-05-20 1936-10-13 Eddison William Barton Hairspring assembly for timepieces
CH539871A (en) * 1966-10-11 1973-09-14 Nationale De Ressorts S A Fab Spiral for watch movement
GB1208531A (en) * 1968-03-25 1970-10-14 Louis William Berthoud Hairspring
FR2136084A5 (en) * 1971-04-02 1972-12-22 Haas Carl Firme
DE2333446A1 (en) * 1973-06-30 1975-01-16 Junghans Gmbh Geb Balance-spring outer end fastening - is for use with synthetic material particularly in electric clocks

Also Published As

Publication number Publication date
JP2004279203A (en) 2004-10-07
US7018092B2 (en) 2006-03-28
US20040174775A1 (en) 2004-09-09
EP1302821A2 (en) 2003-04-16

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