EP2908183B1 - Spiral d'horlogerie - Google Patents

Spiral d'horlogerie Download PDF

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Publication number
EP2908183B1
EP2908183B1 EP14155196.0A EP14155196A EP2908183B1 EP 2908183 B1 EP2908183 B1 EP 2908183B1 EP 14155196 A EP14155196 A EP 14155196A EP 2908183 B1 EP2908183 B1 EP 2908183B1
Authority
EP
European Patent Office
Prior art keywords
balance spring
angle
point
comprised
centre
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
EP14155196.0A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2908183A1 (fr
Inventor
Andrés Cabezas Jurin
Kaspar Trümpy
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 EP14155196.0A priority Critical patent/EP2908183B1/fr
Priority to US14/612,598 priority patent/US9239569B2/en
Priority to JP2015024962A priority patent/JP5976860B2/ja
Priority to RU2015105009A priority patent/RU2675181C2/ru
Priority to CN201510078554.8A priority patent/CN104849995B/zh
Publication of EP2908183A1 publication Critical patent/EP2908183A1/fr
Priority to HK16101511.0A priority patent/HK1213647A1/zh
Application granted granted Critical
Publication of EP2908183B1 publication Critical patent/EP2908183B1/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
    • 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
    • G04B1/00—Driving mechanisms
    • G04B1/10—Driving mechanisms with mainspring
    • G04B1/14—Mainsprings; Bridles therefor
    • 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

Definitions

  • the invention relates to an improved horological spiral.
  • the invention relates to a clockwork movement comprising a control rod defining an oriented direction, a platen carrying a pin and means for guiding at least one balance-sprung regulator mechanism pivoting about an axis and which sprung balance comprises at least one such spiral.
  • the invention relates to the field of mechanical mechanisms for watches, wristwatches and pocket watches, and more particularly the sprung balance regulating mechanisms.
  • the design according to the invention must be applicable to a manufacturing type "MEMS” or "LIGA”, so as to exploit the advantages of silicon, quartz, diamond, or similar materials. Also, the invention sets out to define a spiral geometry with a completely flat execution, without twisting, and without concavity change so as to ensure a better service life.
  • the invention relates to a horological spiral as defined in independent claim 1.
  • said hairspring further comprises a seventh segment between said sixth point and a seventh point, at a seventh angle at the center, of section greater than or equal to that of the sixth curvilinear section at said sixth point, deviating from the preceding curvilinear sections , and making with the tangent of the sixth curvilinear section at said sixth point an angle of deviation.
  • the invention relates to a watch comprising at least one balance-sprung regulator mechanism pivoting about an axis and said sprung balance comprising at least one such spiral, and / or said watch comprising at least one such movement.
  • the invention relates to an improved watch spiral 1.
  • this improved clockwork spring 1 comprises successively and forming a continuous ribbon, from an internal end upstream, an internal curvilinear section degressive section developing on less than one turn, followed by a succession of sections curvilinear each of section always greater than or equal to that of the curvilinear section directly upstream, and of which at least one is of increasing section.
  • the second curvilinear section is constituted in a regular spiral, on several turns.
  • this spring 1 further comprises a seventh segment between said sixth point P6 and a seventh point P7, according to a seventh angle at the center ⁇ 7, with a section greater than or equal to that of the sixth curvilinear section at the sixth point P6, deviating from the curvilinear sections preceding, and making with the tangent of the sixth curvilinear section at the sixth point P6 a deflection angle e.
  • the third ratio R3 is between 1.15 and 1.30. More particularly, it is close to 1.22.
  • the sixth ratio R6 is between 1.25 and 1.40. More particularly, it is close to 1.33.
  • the first center angle a1 is between 340 ° and 350 °. More particularly it is close to 344 °.
  • the second central angle ⁇ 2 has the value of an integer number of turns of a regular spiral to which is added an angle of between 285 ° and 295 °.
  • the integer number of turns is thirteen, and more particularly the added angle is close to 292 °.
  • the third angle at the center a3 is between 3 ° and 7 °. More particularly, it is close to 5 °.
  • the fourth angle at the center a4 is between 115 ° and 130 °. More particularly, it is close to 122 °.
  • the fifth angle in the center a5 is between 3 ° and 7 °. More particularly, it is close to 5 °.
  • the sixth center angle a6 is between 30 ° and 50 °. More particularly, it is close to 40 °.
  • the seventh segment extends in a zone swept by a seventh angle at the center ⁇ 7 between 20 ° and 25 °, and the deflection angle e between 45 ° and 65 °. More particularly, the seventh angle at the center ⁇ 7 is close to 22 °. More particularly, the angle of deviation e is close to 55 °.
  • the hairspring 1 is of constant height in an axial direction A, this height being between 0.14 mm and 0.16 mm.
  • the inner radius of the hairspring 1 at the first internal curvilinear portion is between 0.45 and 0.55 mm, and its outer radius at the sixth external curvilinear portion is between 2 , 70 and 2.80 mm.
  • the hairspring 1 is locally breakable and comprises for this purpose, at its distal outer end 11 of its outer curvilinear section 12, breaking primers 15 provided to reduce its length, for the adjustment of its attachment to a peak 5.
  • the hairspring 1 is monobloc, made of monocrystalline silicon of Young's modulus E between 140000 N / mm 2 and 150000 N / mm 2 and density p between 2.30 g / cm 3 and 2, 40 g / cm 3 .
  • the spiral 1 is monobloc, silicon oxide or monocrystalline quartz or polycrystalline quartz or monocrystalline diamond or polycrystalline diamond.
  • the invention also relates to a watch movement 100 comprising a control rod 3 defining a direction oriented D, a plate 4 carrying a stud 5 and guide means of at least one balance-spiral regulator mechanism pivoting around of an axis A.
  • This regulating mechanism comprises at least one such spiral 1.
  • this hairspring 1 is attached to the peg 5 at a distal outer end 11 of its outer curvilinear portion 12, at a point forming with the oriented direction D an aperture angle AP.
  • the hairspring 1 is fixed to a rocker shell 19 by an internal attachment point 13 at the end of its inner curvilinear section 14, this internal fastening point 13 forming with the direction D an angle of attachment AA in the equilibrium position of the pendulum.
  • the angle of attachment AA is between 180 ° and 200 °
  • the AP pitting angle is between 95 and 115 °.
  • the hairspring 1 is fixed to the peg 5 by a separate element 6 joined to said hairspring 1.
  • this separate element 6 joined to the hairspring 1 is made of the same material as the hairspring 1, with the same Young's modulus E and the same density p, and is of greater rigidity than the hairspring 1 in all point of the outer curvilinear portion 12 of the hairspring 1.
  • the invention also relates to a watch 200 comprising at least one balance-sprung regulator mechanism pivoting about an axis A comprising at least one such spiral 1, and / or this watch 200 comprises at least one such movement 100.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Springs (AREA)
  • Metallurgy (AREA)
EP14155196.0A 2014-02-14 2014-02-14 Spiral d'horlogerie Active EP2908183B1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP14155196.0A EP2908183B1 (fr) 2014-02-14 2014-02-14 Spiral d'horlogerie
US14/612,598 US9239569B2 (en) 2014-02-14 2015-02-03 Timepiece balance spring
JP2015024962A JP5976860B2 (ja) 2014-02-14 2015-02-12 計時器用バランスばね
RU2015105009A RU2675181C2 (ru) 2014-02-14 2015-02-13 Балансовая пружина часов
CN201510078554.8A CN104849995B (zh) 2014-02-14 2015-02-13 钟表游丝
HK16101511.0A HK1213647A1 (zh) 2014-02-14 2016-02-11 鐘錶游絲

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP14155196.0A EP2908183B1 (fr) 2014-02-14 2014-02-14 Spiral d'horlogerie

Publications (2)

Publication Number Publication Date
EP2908183A1 EP2908183A1 (fr) 2015-08-19
EP2908183B1 true EP2908183B1 (fr) 2018-04-18

Family

ID=50073097

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14155196.0A Active EP2908183B1 (fr) 2014-02-14 2014-02-14 Spiral d'horlogerie

Country Status (6)

Country Link
US (1) US9239569B2 (zh)
EP (1) EP2908183B1 (zh)
JP (1) JP5976860B2 (zh)
CN (1) CN104849995B (zh)
HK (1) HK1213647A1 (zh)
RU (1) RU2675181C2 (zh)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1445670A1 (fr) * 2003-02-06 2004-08-11 ETA SA Manufacture Horlogère Suisse Spiral de résonateur balancier-spiral et son procédé de fabrication
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
EP3159748B1 (fr) * 2015-10-22 2018-12-12 ETA SA Manufacture Horlogère Suisse Spiral a encombrement reduit a section variable
EP3202708B1 (fr) * 2016-02-03 2023-05-03 Rolex Sa Procédé de fabrication d'un composant horloger hybride
EP3418816B1 (de) * 2017-06-20 2019-10-16 Lakeview Innovation Ltd. Unruhfeder mit rautenförmigem querschnitt für ein mechanisches uhrwerk einer kleinuhr sowie verfahren zur herstellung der unruhfeder

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE526689A (zh)
US209642A (en) * 1878-11-05 Improvement in balance-springs for time-keepers
CH327796A (fr) 1954-02-22 1958-02-15 Horlogerie Suisse S A Asuag Spiral plat
EP1302821A3 (fr) * 2001-10-10 2010-05-05 Franck Muller-Watchland SA Ressort spiral pour appareil à mesurer le temps
ATE307990T1 (de) * 2002-11-25 2005-11-15 Suisse Electronique Microtech Spiraluhrwerkfeder und verfahren zu deren herstellung
EP1431844A1 (fr) * 2002-12-19 2004-06-23 SFT Services SA Assemblage pour organe régulateur d'un mouvement d'horlogerie
EP1445670A1 (fr) * 2003-02-06 2004-08-11 ETA SA Manufacture Horlogère Suisse Spiral de résonateur balancier-spiral et son procédé de fabrication
EP1791039A1 (fr) * 2005-11-25 2007-05-30 The Swatch Group Research and Development Ltd. Spiral en verre athermique pour mouvement d'horlogerie et son procédé de fabrication
DE602008001778D1 (de) * 2008-03-20 2010-08-26 Nivarox Sa Monoblock-Doppelspirale und ihr Herstellungsverfahren
EP2151722B8 (fr) * 2008-07-29 2021-03-31 Rolex Sa Spiral pour résonateur balancier-spiral
CH701846B8 (fr) * 2009-09-21 2015-06-15 Rolex Sa Spiral plat pour balancier d'horlogerie et ensemble balancier-spiral.
US8562206B2 (en) * 2010-07-12 2013-10-22 Rolex S.A. Hairspring for timepiece hairspring-balance oscillator, and method of manufacture thereof
EP2434353B1 (fr) * 2010-09-28 2018-01-10 Montres Breguet SA Spiral anti-galop pour échappement d'horlogerie
CH706087B1 (fr) * 2012-02-01 2016-09-15 Société Anonyme De La Mft D'horlogerie Audemars Piguet & Cie Spiral plat pour organe régulateur d'un mouvement d'horlogerie.
HK1178376A2 (en) * 2012-07-17 2013-09-06 Master Dynamic Ltd Hairspring for mechanical timepiece

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
CN104849995B (zh) 2017-05-24
JP5976860B2 (ja) 2016-08-24
RU2675181C2 (ru) 2018-12-17
RU2015105009A3 (zh) 2018-09-26
EP2908183A1 (fr) 2015-08-19
JP2015152599A (ja) 2015-08-24
HK1213647A1 (zh) 2016-07-08
US9239569B2 (en) 2016-01-19
CN104849995A (zh) 2015-08-19
RU2015105009A (ru) 2016-09-10
US20150234355A1 (en) 2015-08-20

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