EP2154583A1 - Spiralfeder für Unruh-Spiralfeder - Google Patents

Spiralfeder für Unruh-Spiralfeder Download PDF

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Publication number
EP2154583A1
EP2154583A1 EP09405126A EP09405126A EP2154583A1 EP 2154583 A1 EP2154583 A1 EP 2154583A1 EP 09405126 A EP09405126 A EP 09405126A EP 09405126 A EP09405126 A EP 09405126A EP 2154583 A1 EP2154583 A1 EP 2154583A1
Authority
EP
European Patent Office
Prior art keywords
blades
spiral
hairspring
spiral according
variable
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
EP09405126A
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English (en)
French (fr)
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EP2154583B1 (de
Inventor
Jérôme Daout
Richard Bossart
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.)
Rolex SA
Original Assignee
Rolex 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 Rolex SA filed Critical Rolex SA
Priority to EP12180170.8A priority Critical patent/EP2523053B1/de
Priority to EP09405126.5A priority patent/EP2154583B1/de
Publication of EP2154583A1 publication Critical patent/EP2154583A1/de
Application granted granted Critical
Publication of EP2154583B1 publication Critical patent/EP2154583B1/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
    • G04B17/066—Manufacture of the spiral spring
    • 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
    • G04B17/20—Compensation of mechanisms for stabilising frequency

Definitions

  • the present invention relates to a spiral for balance spring-spiral resonator.
  • the object of the present invention is to benefit from the advantages of this solution by overcoming, at least in part, the aforementioned drawbacks.
  • this invention relates to a spiral for balance spring resonator according to claim 1.
  • the first embodiment of the spiral object of the invention is illustrated by the figure 1 .
  • This planar spiral has two blades 1a, 1b wound in the same direction, but with an offset of 2 ⁇ / 2 is 180 °.
  • the respective inner ends of these blades 1a, 1b are integral with a ferrule 2 and their outer ends are integral with a fixing ring 3. These outer ends are also angularly offset by 180 °.
  • the fixing ring 3 of the outer ends of the blades 1a, 1b of the spiral has an opening 3a to allow its attachment to the balance bridge. This fixing ring 3 replaces the traditional piton.
  • the two blades 1a, 1b of the spiral must not touch during their contraction and expansion. This risk increases with amplitude. This risk can be reduced by limiting the amplitude.
  • thermo-compensation of the spiral is obtained by forming, on the surface of the blades of the spiral, of an amorphous silicon oxide layer whose thermal coefficient of the Young's modulus is of opposite sign to that of the mono-crystalline silicon, as described in FIG. EP 1 422 436 .
  • This amorphous silicon oxide layer makes it possible to compensate the thermal coefficient of the Young's modulus irrespective of the crystallographic orientation of Si, (100), (111) or (110).
  • the number of blades forming the spiral is not limited to two. It is possible to imagine various other solutions, such as that illustrated by the figure 5 which is a variant of that of the figure 1 , but which comprises three blades 1a, 1b and 1c attached on the one hand to the shell 2 and on the other hand to the fixing ring 3.
  • the inner and outer ends of these blades are angularly offset, with respect to others, from a 2 ⁇ / 3 angle. This angular offset will advantageously be 2 ⁇ / n, n corresponding to the number of blades.
  • the blades forming the hairspring are attached to each other by their respective two ends.
  • the form of execution illustrated by the figure 6 represents a spiral with two blades 1a, 1b attached by their only inner ends to the shell 2. Their outer ends are free, which allows to exert on both blades, a pre-tension in one direction or the other, in order to adjust the isochronism in particular.
  • one can have a hairspring comprising four blades, two blades 1a, 1b disposed between the shell 2 and an intermediate ring 4 to which their outer ends are fixed and two blades 1c, 1d arranged between the intermediate ring and the fixing ring 3.
  • the intermediate ring 4 As light as possible, its structure can be hollowed out to reduce its mass as much as possible.
  • the inner blades 1a, 1b and the outer blades 1c, 1d can all be wound in the same direction as illustrated by the figure 7 , or the inner blades 1a, 1b can be wound in the opposite direction of the outer blades 1c, 1d, as illustrated by the figure 8 .
  • a process entirely suitable for the manufacture of the spiral forming the subject of the invention is in particular that described in EP 1 422 436 already mentioned, which consists in cutting the hairspring, for example by plasma etching, in a wafer ⁇ 001 ⁇ monocrystalline silicon.
  • the thermo-compensation of the spiral is then obtained by forming an amorphous silicon oxide layer on the surface of the blades of the spiral, for example by heat treatment.
  • UV-LIGA Lithography, Galvanization and Abnormal
  • the two blades 1a, 1b are produced on an SOI wafer (Silicon-On-Insulator, Figures 10a, 10b ), which consists of a stack of layers of Si-SiO 2 -Si.
  • a blade 1a is etched from the outer face of one of the Si layers and the other blade 1b is etched from the outer face of the second Si layer.
  • the inner ends of the two blades are made integral by the intermediate layer 8 of SiO 2 .
  • the advantage of this embodiment is to reduce the diameter of the spiral, because it increases the distance between two adjacent turns. This advantage is even more pronounced if we extend the spiral vertically as in figure 10 .
  • the figure 11 illustrates another variant of figures 10a , 10b , wherein the inner ends of the blades 1a, 1b are integral with the same shell, while their outer ends are integral with the intermediate layer 5 of SiO 2 .

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Springs (AREA)
  • Micromachines (AREA)
EP09405126.5A 2008-07-29 2009-07-24 Spiralfeder für Unruh-Spiralfeder Active EP2154583B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP12180170.8A EP2523053B1 (de) 2008-07-29 2009-07-24 Spiralfeder für Unruh-Spiralfeder
EP09405126.5A EP2154583B1 (de) 2008-07-29 2009-07-24 Spiralfeder für Unruh-Spiralfeder

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP08405188.7A EP2151722B8 (de) 2008-07-29 2008-07-29 Spiralfeder für Spiralfeder-Unruh-Resonator
EP09405126.5A EP2154583B1 (de) 2008-07-29 2009-07-24 Spiralfeder für Unruh-Spiralfeder

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP12180170.8A Division EP2523053B1 (de) 2008-07-29 2009-07-24 Spiralfeder für Unruh-Spiralfeder
EP12180170.8A Division-Into EP2523053B1 (de) 2008-07-29 2009-07-24 Spiralfeder für Unruh-Spiralfeder

Publications (2)

Publication Number Publication Date
EP2154583A1 true EP2154583A1 (de) 2010-02-17
EP2154583B1 EP2154583B1 (de) 2020-08-05

Family

ID=40344824

Family Applications (3)

Application Number Title Priority Date Filing Date
EP08405188.7A Active EP2151722B8 (de) 2008-07-29 2008-07-29 Spiralfeder für Spiralfeder-Unruh-Resonator
EP09405126.5A Active EP2154583B1 (de) 2008-07-29 2009-07-24 Spiralfeder für Unruh-Spiralfeder
EP12180170.8A Active EP2523053B1 (de) 2008-07-29 2009-07-24 Spiralfeder für Unruh-Spiralfeder

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP08405188.7A Active EP2151722B8 (de) 2008-07-29 2008-07-29 Spiralfeder für Spiralfeder-Unruh-Resonator

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP12180170.8A Active EP2523053B1 (de) 2008-07-29 2009-07-24 Spiralfeder für Unruh-Spiralfeder

Country Status (5)

Country Link
US (2) US8002460B2 (de)
EP (3) EP2151722B8 (de)
JP (2) JP5474432B2 (de)
CN (2) CN101639661B (de)
CH (1) CH699178B1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH705398A1 (fr) * 2011-08-24 2013-02-28 Richemont Int Sa Organe réglant comprenant un double ressort spiral de forme tridimensionnelle.
EP3181940B1 (de) 2015-12-18 2019-02-06 CSEM Centre Suisse d'Electronique et de Microtechnique SA - Recherche et Développement Herstellungsverfahren einer spiralfeder mit einer vorbestimmten steifigkeit durch lokalisierte wegnahme von material
EP3181938B1 (de) 2015-12-18 2019-02-20 CSEM Centre Suisse d'Electronique et de Microtechnique SA - Recherche et Développement Herstellungsverfahren einer spiralfeder mit einer vorbestimmten steifigkeit durch wegnahme von material

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2485096A1 (de) * 2007-11-20 2012-08-08 Richemont International S.A. Mechanisches Uhrwerk
DE602007013123D1 (de) * 2007-11-28 2011-04-21 Manuf Et Fabrique De Montres Et De Chronometres Ulysse Nardin Le Locle S A Mechanischer oszillator mit einem optimierten thermoelastischen koeffizienten
CH701783B1 (fr) * 2009-09-07 2015-01-30 Manuf Et Fabrique De Montres Et Chronomètres Ulysse Nardin Le Locle S A Ressort spiral de mouvement de montre.
CH701846B8 (fr) * 2009-09-21 2015-06-15 Rolex Sa Spiral plat pour balancier d'horlogerie et ensemble balancier-spiral.
HK1146455A2 (en) * 2010-03-12 2011-06-03 Microtechne Res & Dev Ct Ltd An oscillator system
EP2405312A1 (de) * 2010-07-09 2012-01-11 Montres Breguet S.A. Spiralfeder für Unruh mit zwei Stufen und unbeweglichem Massenzentrum
US8562206B2 (en) 2010-07-12 2013-10-22 Rolex S.A. Hairspring for timepiece hairspring-balance oscillator, and method of manufacture thereof
EP2423764B1 (de) * 2010-08-31 2013-03-27 Rolex S.A. Vorrichtung zum Messen des Drehmomentes einer Spirale
EP2434353B1 (de) * 2010-09-28 2018-01-10 Montres Breguet SA Antischwingungsspirale für Uhrenhemmungen
EP2437126B1 (de) * 2010-10-04 2019-03-27 Rolex Sa Regulierorgan mit Spiralunruh
CH704237B1 (fr) * 2010-12-17 2015-03-13 Manuf Et Fabrique De Montres Et Chronomètres Ulysse Nardin Le Locle Sa Ressort de barillet et barillet contenant un tel ressort.
CH704906B1 (fr) * 2011-05-09 2020-06-30 Lvmh Swiss Mft Sa C/O Zenith Succursale De Lvmh Swiss Mft Sa Ressort spiral en silicium pour montre mécanique.
CH705471B1 (fr) * 2011-09-07 2016-03-31 Patek Philippe Sa Geneve Mouvement d'horlogerie à balancier-spiral.
EP2761380B1 (de) 2011-09-29 2023-05-31 Rolex S.A. Einteilige anordnung aus einer spiralfeder und spannzange
EP2597536A1 (de) * 2011-11-25 2013-05-29 CSEM Centre Suisse d'Electronique et de Microtechnique SA - Recherche et Développement Verbesserte Spiralfeder, und Herstellungsverfahren dieser Spiralfeder
EP2605081A1 (de) * 2011-12-16 2013-06-19 ETA SA Manufacture Horlogère Suisse Konfektionierte Unruh für Uhrwerk
EP2613206B1 (de) * 2012-01-05 2022-05-11 Montres Breguet SA Spirale mit zwei Spiralfedern mit verbessertem Isochronismus
CH707165B1 (fr) * 2012-11-07 2016-12-30 Patek Philippe Sa Geneve Mouvement d'horlogerie à balancier-spiral.
HK1186057A2 (en) * 2013-01-14 2014-03-07 Master Dynamic Ltd Stress-relief elastic structure of hairspring collet
JP6057766B2 (ja) * 2013-02-19 2017-01-11 セイコーインスツル株式会社 ひげぜんまい、ムーブメント、時計及びひげぜんまいの製造方法
JP6013224B2 (ja) * 2013-02-19 2016-10-25 セイコーインスツル株式会社 ひげぜんまい、ムーブメント、時計及びひげぜんまいの製造方法
CH707815B1 (fr) * 2013-03-19 2017-05-31 Nivarox Far Sa Sous-ensemble de mécanisme d'échappement d'horlogerie comportant un ressort-spiral.
EP2781969B1 (de) * 2013-03-19 2017-05-03 Nivarox-FAR S.A. Unzerlegbare Monoblock-Komponente einer Uhr
EP2884347A1 (de) * 2013-12-16 2015-06-17 ETA SA Manufacture Horlogère Suisse Spiralfeder mit Vorrichtung zum Verhindern der gegenseitigen Annäherung der Federwindungen
EP2884346A1 (de) * 2013-12-16 2015-06-17 ETA SA Manufacture Horlogère Suisse Polygonale Spirale für Schwinger einer Uhr
EP2908183B1 (de) * 2014-02-14 2018-04-18 ETA SA Manufacture Horlogère Suisse Spiralfeder einer Uhr
US9958832B2 (en) * 2014-09-09 2018-05-01 Eta Sa Manufacture Horlogere Suisse Method for synchronization of two timepiece oscillators with one gear train
CH710188A2 (fr) * 2014-09-26 2016-03-31 Eta Sa Manufacture Horlogère Suisse Résonateur d'horlogerie paraxial et isochrone.
HK1209578A2 (en) * 2015-02-17 2016-04-01 Master Dynamic Ltd Silicon hairspring
EP3159746B1 (de) * 2015-10-19 2018-06-06 Rolex Sa Hochdotierte siliziumfeder für uhr
EP3159748B1 (de) 2015-10-22 2018-12-12 ETA SA Manufacture Horlogère Suisse Spiralfeder mit reduziertem platzbedarf und variablem durchmesser
EP3214506B1 (de) * 2016-03-04 2019-01-30 ETA SA Manufacture Horlogère Suisse Kompakte spiralfeder mit konstantem doppelquerschnitt
EP3159747A1 (de) * 2015-10-22 2017-04-26 ETA SA Manufacture Horlogère Suisse Spiralfeder mit reduziertem platzbedarf und konstantem durchmesser
US11021238B2 (en) 2017-02-07 2021-06-01 Parker-Hannifin Corporation Disc spring providing linear axial motion
EP3543796A1 (de) * 2018-03-21 2019-09-25 Nivarox-FAR S.A. Verfahren zur herstellung einer siliziumfeder
JP7473300B2 (ja) * 2018-04-30 2024-04-23 ロレックス・ソシエテ・アノニム 時計表示システム
EP3654111B1 (de) * 2018-11-15 2022-02-16 Nivarox-FAR S.A. Verfahren zur messung des drehmoments einer spiralfeder einer uhr
JP6908064B2 (ja) * 2019-03-14 2021-07-21 セイコーエプソン株式会社 時計用部品、時計用ムーブメントおよび時計
EP3839656B1 (de) * 2019-12-18 2023-12-13 Nivarox-FAR S.A. Unruh für uhrwerk

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US209642A (en) * 1878-11-05 Improvement in balance-springs for time-keepers
FR575433A (fr) * 1922-12-31 1924-07-30 Groupe de ressorts associés à un solide oscillant
FR1217857A (fr) * 1958-12-11 1960-05-06 Ct Tech De L Ind Horlogere Perfectionnement apporté à l'organe régulateur des mouvements d'horlogerie
FR2024511A1 (de) * 1968-11-29 1970-08-28 Portescap Le Porte
EP1422436A1 (de) 2002-11-25 2004-05-26 CSEM Centre Suisse d'Electronique et de Microtechnique SA Spiraluhrwerkfeder und Verfahren zu deren Herstellung
EP1605182A1 (de) * 2004-06-08 2005-12-14 CSEM Centre Suisse d'Electronique et de Microtechnique S.A. - Recherche et Développement Unruh-Spiralfeder-Oszillator mit Temperaturkompensation
EP2063325A2 (de) * 2007-11-20 2009-05-27 Richemont International S.A. Mechanisches uhrwerk
EP2104006A1 (de) * 2008-03-20 2009-09-23 Nivarox-FAR S.A. Monoblock-Doppelspirale und ihr Herstellungsverfahren

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Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US209642A (en) * 1878-11-05 Improvement in balance-springs for time-keepers
FR575433A (fr) * 1922-12-31 1924-07-30 Groupe de ressorts associés à un solide oscillant
FR1217857A (fr) * 1958-12-11 1960-05-06 Ct Tech De L Ind Horlogere Perfectionnement apporté à l'organe régulateur des mouvements d'horlogerie
FR2024511A1 (de) * 1968-11-29 1970-08-28 Portescap Le Porte
EP1422436A1 (de) 2002-11-25 2004-05-26 CSEM Centre Suisse d'Electronique et de Microtechnique SA Spiraluhrwerkfeder und Verfahren zu deren Herstellung
EP1605182A1 (de) * 2004-06-08 2005-12-14 CSEM Centre Suisse d'Electronique et de Microtechnique S.A. - Recherche et Développement Unruh-Spiralfeder-Oszillator mit Temperaturkompensation
EP2063325A2 (de) * 2007-11-20 2009-05-27 Richemont International S.A. Mechanisches uhrwerk
EP2104006A1 (de) * 2008-03-20 2009-09-23 Nivarox-FAR S.A. Monoblock-Doppelspirale und ihr Herstellungsverfahren

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH705398A1 (fr) * 2011-08-24 2013-02-28 Richemont Int Sa Organe réglant comprenant un double ressort spiral de forme tridimensionnelle.
EP3181940B1 (de) 2015-12-18 2019-02-06 CSEM Centre Suisse d'Electronique et de Microtechnique SA - Recherche et Développement Herstellungsverfahren einer spiralfeder mit einer vorbestimmten steifigkeit durch lokalisierte wegnahme von material
EP3181938B1 (de) 2015-12-18 2019-02-20 CSEM Centre Suisse d'Electronique et de Microtechnique SA - Recherche et Développement Herstellungsverfahren einer spiralfeder mit einer vorbestimmten steifigkeit durch wegnahme von material

Also Published As

Publication number Publication date
EP2151722B1 (de) 2018-09-12
CH699178B1 (fr) 2014-05-15
US8002460B2 (en) 2011-08-23
JP5657152B2 (ja) 2015-01-21
EP2523053A1 (de) 2012-11-14
CN102520605A (zh) 2012-06-27
EP2151722B8 (de) 2021-03-31
CN101639661A (zh) 2010-02-03
US20110249537A1 (en) 2011-10-13
US8393783B2 (en) 2013-03-12
CH699178A2 (fr) 2010-01-29
US20100027382A1 (en) 2010-02-04
EP2523053B1 (de) 2021-12-22
JP2010032522A (ja) 2010-02-12
EP2154583B1 (de) 2020-08-05
CN101639661B (zh) 2012-07-04
EP2151722A1 (de) 2010-02-10
CN102520605B (zh) 2014-02-26
JP5474432B2 (ja) 2014-04-16
JP2014089214A (ja) 2014-05-15

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