EP1612626A1 - Spiralfeder mit modifizierter Aussenkurve - Google Patents

Spiralfeder mit modifizierter Aussenkurve Download PDF

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Publication number
EP1612626A1
EP1612626A1 EP04015578A EP04015578A EP1612626A1 EP 1612626 A1 EP1612626 A1 EP 1612626A1 EP 04015578 A EP04015578 A EP 04015578A EP 04015578 A EP04015578 A EP 04015578A EP 1612626 A1 EP1612626 A1 EP 1612626A1
Authority
EP
European Patent Office
Prior art keywords
curve
outside
spiral
hairspring
deformation
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
EP04015578A
Other languages
English (en)
French (fr)
Other versions
EP1612626B1 (de
Inventor
Jean-Bernard Peters
Marco Verardo
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.)
Nivarox Far SA
Nivarox SA
Original Assignee
Nivarox Far SA
Nivarox 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 Nivarox Far SA, Nivarox SA filed Critical Nivarox Far SA
Priority to EP04015578A priority Critical patent/EP1612626B1/de
Priority to AT04015578T priority patent/ATE466315T1/de
Priority to DE602004026849T priority patent/DE602004026849D1/de
Priority to KR1020050056395A priority patent/KR20060048631A/ko
Priority to TW094121652A priority patent/TWI369591B/zh
Priority to US11/169,912 priority patent/US7293913B2/en
Priority to RU2005120602/28A priority patent/RU2366991C2/ru
Priority to CN2005100806254A priority patent/CN1716133B/zh
Priority to JP2005194989A priority patent/JP4642569B2/ja
Publication of EP1612626A1 publication Critical patent/EP1612626A1/de
Priority to HK06106954.5A priority patent/HK1086896A1/xx
Application granted granted Critical
Publication of EP1612626B1 publication Critical patent/EP1612626B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G04B18/00—Mechanisms for setting frequency
    • G04B18/02—Regulator or adjustment devices; Indexing devices, e.g. raquettes
    • G04B18/026—Locking the hair spring in the indexing device, e.g. goupille of the raquette
    • 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 present invention relates to a hairspring, intended in particular to be integrated in the balance-sprung adjusting device of a timepiece, whose curve on the outside is modified to precisely define the active length of said hairspring, in thus helping to reduce the daytime gap.
  • the invention relates more particularly to the means for fixing the curve outside the cock, directly or via a pin usually supported by a movable pin holder for positioning the hairspring.
  • the usual fastening by pinning or gluing has the disadvantage of not guaranteeing over time the positioning of the point of contraction / expansion of the hairspring, either because of a slight displacement, or by the aging and / or crumbling of glue.
  • the present invention therefore aims to overcome the disadvantages of the aforementioned prior art by providing a spiral whose outer curve can be fixed by the known techniques, without requiring modification of the piton and whose contraction / expansion point, also called embedding point, undergoes no change over time.
  • the subject of the invention is a spiral comprising a plurality of turns for a balance-sprung adjusting device in which the curve inside is integral with a pivot axis pivoted in the cock allowing directly or indirectly the attachment of the curve outside said hairspring, said curve having its end stiffened by deformation to define precisely the embedding point, whatever the means used for fixing.
  • the deformation is effected by means of a 90 ° twist of the end of the curve outside in a plane perpendicular to the height of the spiral, preferably in the extension of the median axis. turns.
  • fixing is carried out for example by gluing in the slot of a peg secured to the cock, or a peg holder. It will be observed that the torsion of the end of the curve to the outside does not modify the width of the spiral blade, so that no modification of the peak is necessary. Thus, the embedding point no longer depends on the way in which the glue is applied, nor on the aging, but on the point stiffened by the twisting of the end of the spiral.
  • the deformation is performed by bending the end of the curve outwardly at 180 ° against the inner or outer face of said end, and optionally making a gluing or welding to maintain the folding more securely. wherein the folded distal portion defines the embedding point.
  • Figure 1 there is shown a sprung balance adjusting device in top view partially cut away, limited to parts useful for understanding the invention.
  • the regulating device comprises a rocker 10 allowing the attachment of the curve inside 4 of the spiral by means of a shell 5 driven on the rocker shaft 11.
  • This fixing of the curve inside 4 can obviously be carried out by any other means known to those skilled in the art.
  • the curve on the outside is made integral with the cock 12.
  • this attachment is made by embedding in a stud 15 fixed in a stud holder 13, said embedding being generally performed by gluing.
  • Usually the end of the curve outside, of generally rectangular section (h e) is in the extension of turns 3, with the exception of the Breguet spiral which is hardly used any more.
  • the present invention aims instead to deform the end 6 of the curve to the outside so that the nesting point 7 of the hairspring is no longer defined by the pin 15 but by the hairspring itself where it was stiffened, as shown in Figure 2.
  • the creation of the embedding point 7 is obtained by performing a 90 ° twist of the end 6 of the curve outside 2 , so as to bring said end in a plane perpendicular to the height "h" of the turns, the central line 16a of the turns being preferably in the extension of the center line 16b of the bent portion 6.
  • the embedding point 7, defining the active length of the hairspring is formed by folding at 180 ° a portion 8 (corresponding to the portion 6 of the preceding example) at 180.degree. ° against the outer face of the outside curve 2, or in an equivalent manner against the inner face.
  • the parts in contact can be held in place by gluing, welding or any other equivalent means.
  • a first series of measurements was made with a hairspring whose end 6 curved at 90 ° is abutted in the through hole of the peak.
  • the average period measured is then 418065 ⁇ s.
  • the average period measured is 418061 ⁇ s, a difference of 4 ⁇ s quite negligible.
  • the period difference should be 604 ⁇ s.
  • the average period measured is 418010 ⁇ s, a difference of 55 ⁇ s with respect to the first series of measurements, which is approximately 11 times lower than the value that could be expected for an unwound spiral. This value can be correlated with an increase in the stiffness of the spiral blade by a factor of 11 since the other blade construction parameters (h, e and length) remained unchanged.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Springs (AREA)
  • Impact Printers (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Ropes Or Cables (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Motor Power Transmission Devices (AREA)
  • Adornments (AREA)
EP04015578A 2004-07-02 2004-07-02 Spiralfeder mit modifizierter Aussenkurve Expired - Lifetime EP1612626B1 (de)

Priority Applications (10)

Application Number Priority Date Filing Date Title
EP04015578A EP1612626B1 (de) 2004-07-02 2004-07-02 Spiralfeder mit modifizierter Aussenkurve
AT04015578T ATE466315T1 (de) 2004-07-02 2004-07-02 Spiralfeder mit modifizierter aussenkurve
DE602004026849T DE602004026849D1 (de) 2004-07-02 2004-07-02 Spiralfeder mit modifizierter Aussenkurve
KR1020050056395A KR20060048631A (ko) 2004-07-02 2005-06-28 변경된 외부커브를 가진 밸런스-스프링
TW094121652A TWI369591B (en) 2004-07-02 2005-06-28 Balance-spring with altered outer curve
US11/169,912 US7293913B2 (en) 2004-07-02 2005-06-30 Balance-spring with altered outer curve
RU2005120602/28A RU2366991C2 (ru) 2004-07-02 2005-07-01 Балансирная пружина с изменяемой внешней спиралью
CN2005100806254A CN1716133B (zh) 2004-07-02 2005-07-04 具有变型外曲线的游丝
JP2005194989A JP4642569B2 (ja) 2004-07-02 2005-07-04 変更された外側曲線部分を有するてんぷばね
HK06106954.5A HK1086896A1 (en) 2004-07-02 2006-06-19 Balance-spring with altered outer curve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04015578A EP1612626B1 (de) 2004-07-02 2004-07-02 Spiralfeder mit modifizierter Aussenkurve

Publications (2)

Publication Number Publication Date
EP1612626A1 true EP1612626A1 (de) 2006-01-04
EP1612626B1 EP1612626B1 (de) 2010-04-28

Family

ID=34925587

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04015578A Expired - Lifetime EP1612626B1 (de) 2004-07-02 2004-07-02 Spiralfeder mit modifizierter Aussenkurve

Country Status (10)

Country Link
US (1) US7293913B2 (de)
EP (1) EP1612626B1 (de)
JP (1) JP4642569B2 (de)
KR (1) KR20060048631A (de)
CN (1) CN1716133B (de)
AT (1) ATE466315T1 (de)
DE (1) DE602004026849D1 (de)
HK (1) HK1086896A1 (de)
RU (1) RU2366991C2 (de)
TW (1) TWI369591B (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202013007838U1 (de) 2013-09-04 2013-11-13 Nivarox-Far S.A. Spiralunruh-Stelleinrichtung für eine mechanische Uhr
DE202013010213U1 (de) 2013-11-13 2014-02-05 Nivarox-Far S.A. Spiralunruh-Stelleinrichtung für eine mechanische Uhr

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2184653A1 (de) * 2008-11-06 2010-05-12 Montres Breguet S.A. Spiralfeder mit Endkurvenerhöhung aus mikro-bearbeitbarem Material
EP2196867A1 (de) * 2008-12-15 2010-06-16 Montres Breguet S.A. Spirale mit Kurvenerhöhung aus Material auf Siliziumbasis
EP2570871B1 (de) * 2011-09-14 2014-03-19 Montres Breguet SA Spirale mit zwei Spiralfedern
EP2680090A1 (de) * 2012-06-28 2014-01-01 Nivarox-FAR S.A. Triebfeder für Uhr
CH707060B1 (fr) * 2012-10-04 2017-05-31 Swatch Group Res & Dev Ltd Afficheur horloger lumineux.
EP2728423A1 (de) * 2012-11-06 2014-05-07 Nivarox-FAR S.A. Spiralunruh-Einheit für Uhrwerk
HK1193537A2 (en) * 2013-07-29 2014-09-19 Master Dynamic Ltd Silicon overcoil balance spring
EP2884346A1 (de) * 2013-12-16 2015-06-17 ETA SA Manufacture Horlogère Suisse Polygonale Spirale für Schwinger einer Uhr

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH327796A (fr) * 1954-02-22 1958-02-15 Horlogerie Suisse S A Asuag Spiral plat
US3550928A (en) * 1967-11-09 1970-12-29 Kienzle Apparate Gmbh Coil spring

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1037741A (en) 1911-04-19 1912-09-03 Hamilton Watch Co Balance-cock.
CH1622873A4 (de) * 1973-01-11 1976-03-31
US3955809A (en) * 1974-05-23 1976-05-11 Mitsubishi Denki Kabushiki Kaisha Spiral spring for instruments
US5294097A (en) * 1992-07-14 1994-03-15 Hasco Industries, Inc. Apparatus for mounting a spiral spring
TW497015B (en) * 2000-12-07 2002-08-01 Ebauchesfabrik Eta Ag Method for adjusting the oscillation frequency of a sprung balance for a mechanical timepiece
JP2002341054A (ja) * 2001-05-11 2002-11-27 Seiko Instruments Inc ヒゲぜんまい、同構造体、これを用いた調速機構及び時計

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH327796A (fr) * 1954-02-22 1958-02-15 Horlogerie Suisse S A Asuag Spiral plat
US3550928A (en) * 1967-11-09 1970-12-29 Kienzle Apparate Gmbh Coil spring

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202013007838U1 (de) 2013-09-04 2013-11-13 Nivarox-Far S.A. Spiralunruh-Stelleinrichtung für eine mechanische Uhr
DE202013010213U1 (de) 2013-11-13 2014-02-05 Nivarox-Far S.A. Spiralunruh-Stelleinrichtung für eine mechanische Uhr

Also Published As

Publication number Publication date
EP1612626B1 (de) 2010-04-28
TWI369591B (en) 2012-08-01
RU2366991C2 (ru) 2009-09-10
CN1716133B (zh) 2010-04-14
CN1716133A (zh) 2006-01-04
US7293913B2 (en) 2007-11-13
HK1086896A1 (en) 2006-09-29
TW200609694A (en) 2006-03-16
US20060002240A1 (en) 2006-01-05
DE602004026849D1 (de) 2010-06-10
JP4642569B2 (ja) 2011-03-02
RU2005120602A (ru) 2007-01-10
JP2006017733A (ja) 2006-01-19
KR20060048631A (ko) 2006-05-18
ATE466315T1 (de) 2010-05-15

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