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EP1857891A1 - Spiralfeder-Spiralrollegesamtheit für ein Uhrwerk - Google Patents

Spiralfeder-Spiralrollegesamtheit für ein Uhrwerk Download PDF

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Publication number
EP1857891A1
EP1857891A1 EP06010169A EP06010169A EP1857891A1 EP 1857891 A1 EP1857891 A1 EP 1857891A1 EP 06010169 A EP06010169 A EP 06010169A EP 06010169 A EP06010169 A EP 06010169A EP 1857891 A1 EP1857891 A1 EP 1857891A1
Authority
EP
European Patent Office
Prior art keywords
spiral
assembly according
ferrule
ferrule assembly
point
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Withdrawn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
EP06010169A
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English (en)
French (fr)
Inventor
désignation de l'inventeur n'a pas encore été déposée La
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.)
Patek Philippe SA Geneve
Original Assignee
Patek Philippe SA Geneve
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 Patek Philippe SA Geneve filed Critical Patek Philippe SA Geneve
Priority to EP06010169A priority Critical patent/EP1857891A1/de
Priority to PCT/IB2007/001083 priority patent/WO2007132306A2/fr
Priority to CN2007800031968A priority patent/CN101375218B/zh
Priority to US12/085,663 priority patent/US7758237B2/en
Priority to EP07734401.8A priority patent/EP2018601B1/de
Priority to JP2009510564A priority patent/JP5235869B2/ja
Publication of EP1857891A1 publication Critical patent/EP1857891A1/de
Withdrawn legal-status Critical Current

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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
    • G04B17/32—Component parts or constructional details, e.g. collet, stud, virole or piton
    • G04B17/34—Component parts or constructional details, e.g. collet, stud, virole or piton for fastening the hairspring onto the balance
    • G04B17/345—Details of the spiral roll
    • 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
    • G04B43/00—Protecting clockworks by shields or other means against external influences, e.g. magnetic fields
    • G04B43/002—Component shock protection arrangements

Definitions

  • the present invention relates to a spiral-ferrule assembly for a watch movement, more specifically a spiral whose inner end is attached to a ferrule, ferrule which can be driven on the axis of a balance to form the movement control device .
  • the present invention aims to provide a spiral-ferrule assembly designed to reduce the risk of damaging the balance spring during an impact.
  • a spiral-ferrule assembly for a watch movement comprises a ferrule 1 intended to be mounted on a balance shaft 2 and a spiral 3 attached by its end.
  • the spiral 3 is partially shown, only its inner turn being visible.
  • the ferrule 1 comprises three elastic arms 4 arranged in a triangle.
  • the elastic arms 4 define an equilateral triangular central opening 5 whose diameter of the inscribed circle is slightly smaller than the diameter of a cylindrical or slightly conical bearing surface 6 of the axis 2, so that the axis 2 can be driven into the ferrule 1, hunting which elastically deforms the arms 4 to the outside. Due to its triangular shape, the outline of the opening 5 defines three discrete contact points 7 with the axis 2.
  • the width L of each arm 4 is variable, in the manner of the elastic arms of the shell according to the document EP 1 637 940 , to make more homogeneous the distribution of the stresses exerted in this arm 4 by the axis 2.
  • the point 8 joining the hairspring 3 and the collar 1 is defined by one, 9c, of the three zones 9a, 9b and 9c of junction between the arms 4.
  • the inner end of the spiral 3 is integral with the axis 2 and thus follows the oscillating movements of the balance.
  • the outer end of the hairspring 3, not shown, is fixed by a pin to a fixed part of the movement, typically the rooster, in a known manner.
  • the ferrule 1 is preferably formed integrally with the spiral 3.
  • the spiral-ferrule assembly 1, 3 is typically made of a brittle material, that is to say in a material that can not deform plastically , such as a material based on silicon, glass, quartz or diamond.
  • a suitable manufacturing method for the spiral-ferrule assembly 1, 3 is the DRIE process (Deep Reaction Ion Etching).
  • the spiral-ferrule assembly 1, 3 may however, alternatively, be made of a ductile material, such as a metal material.
  • discrete portions 10a, 10b and 10c of the outer contour of the ferrule 1 constitute abutments against which the inner coil of the spiral 3 can come to bear during an impact suffered by the movement.
  • These stops 10a, 10b and 10c are defined by the zones 9a, 9b and 9c of junction between the elastic arms 4 and are thus arranged in an angular distribution substantially regular.
  • These abutments 10a, 10b and 10c are located, respectively, at distances Ra, Rb and Rc from the center O of the axis 2 in the plane of the ferrule 1, and more precisely have an arcuate shape with a center O and of Ra, Rb and Rc respectively.
  • the distances or radii Ra, Rb and Rc are chosen sufficiently small so that the hairspring 3 is not obstructed by the abutments 10a, 10b and 10c during normal oscillations of the pendulum and sufficiently large to, in the event of impact suffered by the movement, allow the inner coil of the spiral 3 to come to bear against one or more stops 10a, 10b and 10c before the elastic limit of this inner coil, at any point of this turn including at the junction point 8, exceeded ( Figure 2).
  • the inner turn bears against one or more abutments 10a, 10b and 10c under the effect of a shock, each of the other turns may come to bear against the turn which precedes it.
  • the risk of damage to the hairspring 3 by breaking, in cases where the hairspring 3 is made of a brittle material, or by permanent deformation, in cases where the hairspring 3 is made of a ductile material, are thus reduced.
  • the distances or radii Ra, Rb and Rc grow in the winding direction of the spiral 3 going from the inside to the outside from the junction point 8 of the spiral 3 to the ferrule 1, this to take account because the radius of the inner turn of the spiral 3, like that of all the other turns, increases in this direction D.
  • the stop 10a closest to the junction point 8 in the direction D is at a distance Ra from center O which is smaller than the distance Rb separating the next stop 10b from the center O, which is smaller than the distance Rc separating the next stop 10c from the center O.
  • the distance R8 separating the point 8 of junction between the hairspring 3 and the ferrule 1 of the center O is it typically greater than or equal to the distance Ra and less than the distances Rb and Rc.
  • the distances Ra, Rb and Rc are determined by defining a certain number of radial forces F oriented towards the center O, by calculating, for example by the finite element method, the maximum elastic deformation that can be to undergo the inner turn under the effect of each of the radial forces F, and choosing distances Ra, Rb and Rc sufficiently large that this maximum elastic deformation can not be reached, or at least not exceeded, and sufficiently small that the hairspring 3 does not touch the stops 10a, 10b and 10c during normal operation.
  • the deformation of the inner turn of the hairspring 3 at each of the points 3a, 3b and 3c situated opposite the stops 10a, 10b and 10c respectively, in a configuration where this point bears against the corresponding stop 10a, 10b or 10c under the effect of a radial force F applied at this point, is thus a percentage, less than or equal to 100%, of the maximum elastic deformation that can undergo the inner turn at this point, which confers a safety factor greater than or equal to This percentage is preferably substantially the same for all abutments 10a, 10b and 10c.
  • this percentage is about 50% (safety factor of about 2), while the percentage of deformation of the inner coil in normal operation of the hairspring relative to the maximum elastic deformation this inner turn is about 25%, this for a spiral pitch 3 of about 93 microns and a thickness or width of spiral turns 3 of about 30 microns.
  • the distances Ra, Rb and Rc are equal to the same percentage, respectively, of the rays r, rb and corresponding rc of the inner turn at rest, that is to say distances between the points 3a, 3b, 3c and the center O.
  • This percentage is for example equal to about 90%, for a step of the spiral 3 of about 93 microns and a thickness or width of the coils of the spiral 3 of about 30 microns.
  • FIG. 3 shows another embodiment of the invention, in which the ferrule 1 comprises, in addition to the abutments 10a, 10b, 10c defined by the zones 9a, 9b, 9c of junction between the arms 4, stops 10d, 10e. , 10f defined by elements 11 protruding radially from the outer side of the arms 4 in the central region of the arms 4 in contact with the axis 2.
  • the stops 10a, 10b, 10c the abutments 10d, 10e, 10f are in a central arc of the center. center O of the axis 2.
  • the opening 5 of the ferrule 1 in which the axis 2 is driven may have a shape other than triangular, such as another polygonal shape, regular or not, defined by a number of elastic arms greater than three.
  • the ferrule could be in the form of a split ring having radial projections defining the stops.
  • the abutments could be contiguous rather than discrete, and more particularly a large continuous portion of the outer contour of the ferrule could serve as a stop.
  • the outer contour would then have a shape similar to that of the inner coil, that is to say a radius increasing in the direction D of winding of the spiral going from the inside to the outside from the point of junction between the spiral and the ferrule.
  • the outer contour could in this case be defined by a frame surrounding elastic arms, or could be the outline of a ferrule "full", without lights of elasticity.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Springs (AREA)
  • Toys (AREA)
  • Gripping On Spindles (AREA)
EP06010169A 2006-05-17 2006-05-17 Spiralfeder-Spiralrollegesamtheit für ein Uhrwerk Withdrawn EP1857891A1 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP06010169A EP1857891A1 (de) 2006-05-17 2006-05-17 Spiralfeder-Spiralrollegesamtheit für ein Uhrwerk
PCT/IB2007/001083 WO2007132306A2 (fr) 2006-05-17 2007-04-26 Ensemble spiral-virole pour mouvement d'horlogerie
CN2007800031968A CN101375218B (zh) 2006-05-17 2007-04-26 用于时钟机构的游丝——内桩组件
US12/085,663 US7758237B2 (en) 2006-05-17 2007-04-26 Spiral/collet assembly for a horological movement
EP07734401.8A EP2018601B1 (de) 2006-05-17 2007-04-26 Spiralfeder-spiralrollegesamtheit für ein uhrwerk
JP2009510564A JP5235869B2 (ja) 2006-05-17 2007-04-26 時計ムーブメントのひげぜんまい−ひげ玉組立体

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06010169A EP1857891A1 (de) 2006-05-17 2006-05-17 Spiralfeder-Spiralrollegesamtheit für ein Uhrwerk

Publications (1)

Publication Number Publication Date
EP1857891A1 true EP1857891A1 (de) 2007-11-21

Family

ID=37776552

Family Applications (2)

Application Number Title Priority Date Filing Date
EP06010169A Withdrawn EP1857891A1 (de) 2006-05-17 2006-05-17 Spiralfeder-Spiralrollegesamtheit für ein Uhrwerk
EP07734401.8A Active EP2018601B1 (de) 2006-05-17 2007-04-26 Spiralfeder-spiralrollegesamtheit für ein uhrwerk

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP07734401.8A Active EP2018601B1 (de) 2006-05-17 2007-04-26 Spiralfeder-spiralrollegesamtheit für ein uhrwerk

Country Status (5)

Country Link
US (1) US7758237B2 (de)
EP (2) EP1857891A1 (de)
JP (1) JP5235869B2 (de)
CN (1) CN101375218B (de)
WO (1) WO2007132306A2 (de)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102063048A (zh) * 2009-11-13 2011-05-18 尼瓦洛克斯-法尔股份有限公司 用于钟表的游丝摆轮谐振器
WO2011116486A1 (fr) * 2010-03-25 2011-09-29 Rolex S.A. Virole fendue à ouverture non circulaire
EP2690507A1 (de) * 2012-07-26 2014-01-29 Nivarox-FAR S.A. Spiralfeder einer Uhr
EP3309625A1 (de) * 2016-10-13 2018-04-18 Nivarox-FAR S.A. Spirale zur befestigung mit einer federscheibe
EP1868045B1 (de) * 2006-06-12 2019-02-20 Patek Philippe SA Genève Spiralrolle für Uhr
EP3627236A1 (de) * 2018-09-21 2020-03-25 Nivarox-FAR S.A. Elastisches halterungsorgan für die befestigung einer uhrenkomponente auf einem halteelement
EP3627235A1 (de) * 2018-09-21 2020-03-25 Nivarox-FAR S.A. Elastisches halterungsorgan für die befestigung einer uhrenkomponente auf einem halteelement

Families Citing this family (21)

* 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
EP1818736A1 (de) * 2006-02-09 2007-08-15 The Swatch Group Research and Development Ltd. Stossfeste Spiralrolle
CH705276B1 (fr) * 2007-12-28 2013-01-31 Chopard Technologies Sa Organe d'entraînement et de transmission pour un échappement à ancre, plateau et échappement en étant équipés, et pièce d'horlogerie les comportant.
EP2317407A1 (de) * 2009-10-29 2011-05-04 Nivarox-FAR S.A. System zum Befestigen eines Teils ohne Eintreiben oder Kleben
CH704764A2 (fr) * 2011-03-31 2012-10-15 Cartier Creation Studio Sa Mécanisme d'échappement notamment pour mouvement d'horlogerie.
EP2590325A1 (de) * 2011-11-04 2013-05-08 The Swatch Group Research and Development Ltd. Thermokompensierter Resonator aus Keramik
JP5932380B2 (ja) * 2012-02-15 2016-06-08 セイコーインスツル株式会社 ひげ玉、てんぷおよび時計
JP6118037B2 (ja) * 2012-05-08 2017-04-19 セイコーインスツル株式会社 ひげ玉、てんぷおよび時計
HK1186057A2 (en) 2013-01-14 2014-03-07 Master Dynamic Ltd Stress-relief elastic structure of hairspring collet
EP2916177B1 (de) * 2014-03-05 2018-11-07 Nivarox-FAR S.A. Spirale, die mit einer Federscheibe gesichert werden muss
EP2952977A1 (de) * 2014-06-03 2015-12-09 Nivarox-FAR S.A. Uhrkomponente aus geschweißten Materialien
EP2957963B1 (de) * 2014-06-18 2017-10-25 ETA SA Manufacture Horlogère Suisse Drehteil einer Uhr
EP3023844B1 (de) * 2014-11-20 2017-06-28 Nivarox-FAR S.A. Flexible Spiralrolle
CH711218B1 (fr) * 2015-06-16 2019-06-14 Nivarox Sa Procédé de fabrication d'un composant horloger.
EP3106928A1 (de) * 2015-06-16 2016-12-21 Nivarox-FAR S.A. Herstellungsverfahren, das einen modifizierten automatendreh-schritt umfasst
EP3106931A1 (de) * 2015-06-16 2016-12-21 Nivarox-FAR S.A. Werkstück mit entkoppelter schweissoberfläche
EP3106935A1 (de) * 2015-06-16 2016-12-21 Nivarox-FAR S.A. Herstellungsverfahren eines werstücks, das einen modifizierten polierschritt umfasst
EP3159746B1 (de) * 2015-10-19 2018-06-06 Rolex Sa Hochdotierte siliziumfeder für uhr
EP3176650B1 (de) * 2015-12-02 2019-02-06 Nivarox-FAR S.A. Schutz einer uhrkomponente aus mikro-bearbeitbarem material
CN108801138A (zh) * 2018-06-19 2018-11-13 哈尔滨工业大学 一种利用外切圆法测量圆柱形构造物中心坐标的装置
EP3627238A1 (de) * 2018-09-21 2020-03-25 Nivarox-FAR S.A. Elastisches halterungsorgan für die befestigung einer uhrenkomponente auf einem halteelement

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH500523A (fr) * 1969-06-05 1970-08-31 William Berthoud Louis Ensemble comprenant une virole et un spiral d'horlogerie
EP1445670A1 (de) * 2003-02-06 2004-08-11 ETA SA Manufacture Horlogère Suisse Spiralfeder der Resonatorunruh und Fabrikationsmethode
EP1637940A2 (de) * 2004-08-31 2006-03-22 Patek Philippe Sa Spiralrolle für Uhren

Family Cites Families (7)

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DE1523861A1 (de) * 1965-03-19 1969-09-25 Virola Sa Verfahren zur Herstellung einer aus Uhrenspiralfeder und Spiralrolle bestehenden Einheit und Anordnung zur Befestigung dieser Einheit auf der Unruhwelle
GB1138677A (en) * 1966-11-29 1969-01-01 Seiko Instr & Electronics Hairspring collet for a timepiece
CH508233A (fr) * 1969-02-25 1970-12-31 Virola Sa Oscillateur à balancier pour pièce d'horlogerie
DE60324141D1 (de) * 2003-09-02 2008-11-27 Patek Philippe Sa Spiralrolle für Uhrwerk
ATE421720T1 (de) * 2004-04-06 2009-02-15 Nivarox Sa Spiralrolle ohne deformation des fixierungsradius der spiralfeder und herstellungsverfahren derartige spiralrolle
DE602004020982D1 (de) * 2004-07-02 2009-06-18 Nivarox Sa tion
EP1818736A1 (de) * 2006-02-09 2007-08-15 The Swatch Group Research and Development Ltd. Stossfeste Spiralrolle

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH500523A (fr) * 1969-06-05 1970-08-31 William Berthoud Louis Ensemble comprenant une virole et un spiral d'horlogerie
EP1445670A1 (de) * 2003-02-06 2004-08-11 ETA SA Manufacture Horlogère Suisse Spiralfeder der Resonatorunruh und Fabrikationsmethode
EP1637940A2 (de) * 2004-08-31 2006-03-22 Patek Philippe Sa Spiralrolle für Uhren

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1868045B1 (de) * 2006-06-12 2019-02-20 Patek Philippe SA Genève Spiralrolle für Uhr
EP2322996A1 (de) * 2009-11-13 2011-05-18 Nivarox-FAR S.A. Spiralunruh-Schwinger für eine Uhr
US8491182B2 (en) 2009-11-13 2013-07-23 Nivarox-Far S.A. Sprung balance resonator for a timepiece
CN102063048B (zh) * 2009-11-13 2015-07-08 尼瓦洛克斯-法尔股份有限公司 用于钟表的游丝摆轮谐振器
CN102063048A (zh) * 2009-11-13 2011-05-18 尼瓦洛克斯-法尔股份有限公司 用于钟表的游丝摆轮谐振器
EP3623876A1 (de) * 2010-03-25 2020-03-18 Rolex Sa Spiralrolle mit nicht kreisförmiger öffnung
WO2011116486A1 (fr) * 2010-03-25 2011-09-29 Rolex S.A. Virole fendue à ouverture non circulaire
US9250610B2 (en) 2010-03-25 2016-02-02 Rolex S.A. Split collet with a non-circular opening
EP2690507A1 (de) * 2012-07-26 2014-01-29 Nivarox-FAR S.A. Spiralfeder einer Uhr
WO2014016094A1 (fr) 2012-07-26 2014-01-30 Nivarox-Far S.A. Balancier-spiral d'horlogerie
US9164484B2 (en) 2012-07-26 2015-10-20 Nivarox-Far S.A. Sprung balance for a timepiece
JP2016075696A (ja) * 2012-07-26 2016-05-12 ニヴァロックス−ファー ソシエテ アノニム 時計用ヒゲゼンマイ
EP3309625A1 (de) * 2016-10-13 2018-04-18 Nivarox-FAR S.A. Spirale zur befestigung mit einer federscheibe
US10444707B2 (en) 2016-10-13 2019-10-15 Nivarox-Far S.A. Balance-spring intended to be secured by a resilient washer
RU2760638C2 (ru) * 2016-10-13 2021-11-29 Ниварокс-Фар С.А. Балансная пружина, закрепляемая упругой шайбой
EP3627236A1 (de) * 2018-09-21 2020-03-25 Nivarox-FAR S.A. Elastisches halterungsorgan für die befestigung einer uhrenkomponente auf einem halteelement
EP3627235A1 (de) * 2018-09-21 2020-03-25 Nivarox-FAR S.A. Elastisches halterungsorgan für die befestigung einer uhrenkomponente auf einem halteelement
WO2020057969A1 (fr) * 2018-09-21 2020-03-26 Nivarox-Far S.A. Organe de maintien elastique pour la fixation d'un composant d'horlogerie sur un element de support
WO2020057919A1 (fr) * 2018-09-21 2020-03-26 Nivarox-Far S.A. Organe de maintien elastique pour la fixation d'un composant d'horlogerie sur un element de support
CN112740117A (zh) * 2018-09-21 2021-04-30 尼瓦洛克斯-法尔股份有限公司 用于将钟表构件固定到支承元件的弹性保持件
US11906930B2 (en) 2018-09-21 2024-02-20 Nivarox-Far S.A. Elastic retaining member for fixing a timepiece component on a support element

Also Published As

Publication number Publication date
JP5235869B2 (ja) 2013-07-10
US7758237B2 (en) 2010-07-20
CN101375218B (zh) 2011-06-29
US20090135679A1 (en) 2009-05-28
EP2018601A2 (de) 2009-01-28
EP2018601B1 (de) 2018-12-05
JP2009537813A (ja) 2009-10-29
WO2007132306A3 (fr) 2008-04-17
WO2007132306A2 (fr) 2007-11-22
CN101375218A (zh) 2009-02-25

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