EP2908183A1 - Spiralfeder einer Uhr - Google Patents

Spiralfeder einer Uhr Download PDF

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Publication number
EP2908183A1
EP2908183A1 EP14155196.0A EP14155196A EP2908183A1 EP 2908183 A1 EP2908183 A1 EP 2908183A1 EP 14155196 A EP14155196 A EP 14155196A EP 2908183 A1 EP2908183 A1 EP 2908183A1
Authority
EP
European Patent Office
Prior art keywords
spiral
turn
angle
point
section
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
EP14155196.0A
Other languages
English (en)
French (fr)
Other versions
EP2908183B1 (de
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/de
Priority to US14/612,598 priority patent/US9239569B2/en
Priority to JP2015024962A priority patent/JP5976860B2/ja
Priority to CN201510078554.8A priority patent/CN104849995B/zh
Priority to RU2015105009A priority patent/RU2675181C2/ru
Publication of EP2908183A1 publication Critical patent/EP2908183A1/de
Priority to HK16101511.0A priority patent/HK1213647A1/zh
Application granted granted Critical
Publication of EP2908183B1 publication Critical patent/EP2908183B1/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
    • 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 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 the field of mechanical mechanisms for watches, wristwatches and pocket watches, and more particularly the sprung balance regulating mechanisms.
  • the invention proposes to define a hairspring for obtaining excellent concentricity of the hairspring in expansion and contraction, guaranteeing the improvement of the chronometry of the timepiece which incorporates such a hairspring.
  • 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 an improved horological spiral, characterized in that it comprises successively and forming a continuous ribbon, from an inner end upstream, an internal coil of degressive section developing on less than one turn followed by a succession of turns each of section always greater than or equal to that of the coil directly upstream, and of which at least one is of increasing section.
  • said spiral further comprises a seventh segment between said sixth point and a seventh point, according to a seventh angle at the center, of section greater than or equal to that of said sixth turn at said sixth point, deviating from the preceding turns, and making with the tangent of said sixth turn at said sixth point a deflection angle.
  • 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 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 inner end upstream, an internal coil of degressive section developing on less than one turn, followed by a succession of turns each of section always greater than or equal to that of the coil directly upstream, and of which at least one is of increasing section.
  • the second turn is formed 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 turn at the sixth point P6, deviating from the previous turns and making with the tangent of the sixth turn at the sixth point P6 a deflection angle e.
  • the first ratio R1 is between 0.90 and 0.95. More particularly, it is close to 0.92.
  • the third ratio R3 is between 1.15 and 1.30. More particularly, it is close to 1.22.
  • the fifth ratio R5 is between 1.50 and 1.75. In particular, it is close to 1.64.
  • the sixth ratio R6 is between 1.25 and 1.40. More particularly, it is close to 1.33.
  • the first central angle ⁇ 1 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 ⁇ 3 at the center is between 3 ° and 7 °. More particularly, it is close to 5 °.
  • the fourth central angle ⁇ 4 is between 115 ° and 130 °. More particularly, it is close to 122 °.
  • the fifth angle ⁇ 5 at the center is between 3 ° and 7 °. More particularly, it is close to 5 °.
  • the sixth central angle ⁇ 6 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 spiral 1 at the first inner turn is between 0.45 and 0.55 mm, and its outer radius at the sixth outer turn is between 2 , 70 and 2.80 mm.
  • the spiral 1 is locally breakable and has for this purpose, at its distal outer end 11 its outer turn 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 turn 12, at a point forming with the direction D a pinning angle AP.
  • the hairspring 1 is fixed to a rocker shell 19 by an internal attachment point 13 at the end of its inner turn 14, this internal attachment point 13 forming with the direction D a fastening angle AA in the balance position of the balance.
  • 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 turn 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)
  • Metallurgy (AREA)
  • Springs (AREA)
EP14155196.0A 2014-02-14 2014-02-14 Spiralfeder einer Uhr Active EP2908183B1 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP14155196.0A EP2908183B1 (de) 2014-02-14 2014-02-14 Spiralfeder einer Uhr
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
CN201510078554.8A CN104849995B (zh) 2014-02-14 2015-02-13 钟表游丝
RU2015105009A RU2675181C2 (ru) 2014-02-14 2015-02-13 Балансовая пружина часов
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 (de) 2014-02-14 2014-02-14 Spiralfeder einer Uhr

Publications (2)

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

Family

ID=50073097

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14155196.0A Active EP2908183B1 (de) 2014-02-14 2014-02-14 Spiralfeder einer Uhr

Country Status (6)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200019967A (ko) * 2017-06-20 2020-02-25 레이크뷰 이노베이션 리미티드 시계의 기계적 운동을 위한 마름모꼴 단면을 갖는 밸런스 스프링 및 밸런스 스프링의 제조 방법

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1445670A1 (de) * 2003-02-06 2004-08-11 ETA SA Manufacture Horlogère Suisse Spiralfeder der Resonatorunruh und Fabrikationsmethode
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 (de) * 2015-10-22 2018-12-12 ETA SA Manufacture Horlogère Suisse Spiralfeder mit reduziertem platzbedarf und variablem durchmesser
EP3202708B1 (de) * 2016-02-03 2023-05-03 Rolex Sa Verfahren zur herstellung einer hybrid-uhrenkomponente

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE526689A (de)
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
EP1431844A1 (de) * 2002-12-19 2004-06-23 SFT Services SA Vorrichtung für das Regelelement eines Uhrwerks
EP2151722A1 (de) * 2008-07-29 2010-02-10 Rolex Sa Spiralfeder für Spiralfeder-Unruh-Resonator
EP2299336A2 (de) * 2009-09-21 2011-03-23 Rolex Sa Flache Spirale für Unruh einer Uhr und gesamte Spiral-Unruh-Einheit
CH706087A1 (fr) * 2012-02-01 2013-08-15 Piguet & Co Horlogerie Spiral plat pour organe régulateur d'un mouvement d'horlogerie.

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1302821A3 (de) * 2001-10-10 2010-05-05 Franck Muller-Watchland SA Spiralfeder für Zeitmessgerät
DE60206939T2 (de) * 2002-11-25 2006-07-27 Csem Centre Suisse D'electronique Et De Microtechnique S.A. Spiraluhrwerkfeder und Verfahren zu deren Herstellung
EP1445670A1 (de) * 2003-02-06 2004-08-11 ETA SA Manufacture Horlogère Suisse Spiralfeder der Resonatorunruh und Fabrikationsmethode
EP1791039A1 (de) * 2005-11-25 2007-05-30 The Swatch Group Research and Development Ltd. Spiralfeder aus athermisches Glas für ein Uhrwerk und Herstellungsverfahren dafür
EP2104006B1 (de) * 2008-03-20 2010-07-14 Nivarox-FAR S.A. Monoblock-Doppelspirale und ihr Herstellungsverfahren
US8562206B2 (en) * 2010-07-12 2013-10-22 Rolex S.A. Hairspring for timepiece hairspring-balance oscillator, and method of manufacture thereof
EP2434353B1 (de) * 2010-09-28 2018-01-10 Montres Breguet SA Antischwingungsspirale für Uhrenhemmungen
HK1178376A2 (en) * 2012-07-17 2013-09-06 Master Dynamic Ltd Hairspring for mechanical timepiece

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE526689A (de)
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
EP1431844A1 (de) * 2002-12-19 2004-06-23 SFT Services SA Vorrichtung für das Regelelement eines Uhrwerks
EP2151722A1 (de) * 2008-07-29 2010-02-10 Rolex Sa Spiralfeder für Spiralfeder-Unruh-Resonator
EP2299336A2 (de) * 2009-09-21 2011-03-23 Rolex Sa Flache Spirale für Unruh einer Uhr und gesamte Spiral-Unruh-Einheit
CH706087A1 (fr) * 2012-02-01 2013-08-15 Piguet & Co Horlogerie Spiral plat pour organe régulateur d'un mouvement d'horlogerie.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200019967A (ko) * 2017-06-20 2020-02-25 레이크뷰 이노베이션 리미티드 시계의 기계적 운동을 위한 마름모꼴 단면을 갖는 밸런스 스프링 및 밸런스 스프링의 제조 방법

Also Published As

Publication number Publication date
JP2015152599A (ja) 2015-08-24
US20150234355A1 (en) 2015-08-20
CN104849995B (zh) 2017-05-24
CN104849995A (zh) 2015-08-19
RU2015105009A (ru) 2016-09-10
EP2908183B1 (de) 2018-04-18
JP5976860B2 (ja) 2016-08-24
US9239569B2 (en) 2016-01-19
RU2675181C2 (ru) 2018-12-17
RU2015105009A3 (de) 2018-09-26
HK1213647A1 (zh) 2016-07-08

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