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GB1121219A - Device for fixing the inner end of a timepiece hairspring and for centering the hairspring - Google Patents

Device for fixing the inner end of a timepiece hairspring and for centering the hairspring

Info

Publication number
GB1121219A
GB1121219A GB26372/66A GB2637266A GB1121219A GB 1121219 A GB1121219 A GB 1121219A GB 26372/66 A GB26372/66 A GB 26372/66A GB 2637266 A GB2637266 A GB 2637266A GB 1121219 A GB1121219 A GB 1121219A
Authority
GB
United Kingdom
Prior art keywords
extension
spring
hairspring
inner end
flange
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.)
Expired
Application number
GB26372/66A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB1121219A publication Critical patent/GB1121219A/en
Expired legal-status Critical Current

Links

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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Hair Curling (AREA)
  • Springs (AREA)

Abstract

1,121,219. Springs. A. CHARPILLOZ, [trading as FABRIQUES HELIOS ARNOLD CHARPILLOZ]. 14 June, 1966 [6 July, 1965], No. 26372/66. Heading F2S. [Also in Division G3] A collet for fixing the inner end of a timepiece balance spring 4 comprises an inner ring 1 provided with an axial extension 3 and an outer ring 2 rotatable about the inner ring, the outer ring having an axially extending flange 5 so that after placing the inner end of the spring against the outer face of the extension and rotating the outer ring, the spring is clamped between the extension and the flange when the latter are radially aligned. The rings 1 and 2 are preferably made from brass and steel respectively and the spring 4 may or may not have a bent end portion 6. The flange 5 and the extension 3 preferably form 60 and 30 degree segments respectively of the rings but the extension may form a segment less than 30 degrees in which case the spring 4 is additionally glued to the extension.
GB26372/66A 1965-07-06 1966-06-14 Device for fixing the inner end of a timepiece hairspring and for centering the hairspring Expired GB1121219A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH946865A CH438156A (en) 1965-07-06 1965-07-06 Device for fixing the inner end of a timepiece hairspring and for its self-centering - flat lay

Publications (1)

Publication Number Publication Date
GB1121219A true GB1121219A (en) 1968-07-24

Family

ID=4352306

Family Applications (1)

Application Number Title Priority Date Filing Date
GB26372/66A Expired GB1121219A (en) 1965-07-06 1966-06-14 Device for fixing the inner end of a timepiece hairspring and for centering the hairspring

Country Status (4)

Country Link
US (1) US3429120A (en)
CH (1) CH438156A (en)
DE (1) DE1523746B2 (en)
GB (1) GB1121219A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH1827672A4 (en) * 1972-12-15 1974-11-29
CH594928B (en) * 1974-06-25 1978-01-31 Ebauchesfabrik Eta Ag SET IN THE FORM OF A WATCHMAKING SPIRAL AND A FERRULE.
US6612734B1 (en) * 1999-07-29 2003-09-02 Seiko Instruments Inc. Mechanical timepiece with stud adjustment mechanism
EP1584994B1 (en) 2004-04-06 2009-01-21 Nivarox-FAR S.A. Collet without deformation of the spiral fixing radius and fabrication method of such a collet
EP3106930A1 (en) * 2015-06-16 2016-12-21 Nivarox-FAR S.A. Manufacturing method comprising a modified machining step
EP3106932A1 (en) * 2015-06-16 2016-12-21 Nivarox-FAR S.A. Manufacturing method comprising a modified mounting step

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH287610A (en) * 1950-09-11 1952-12-15 Erismann Gerard Ferrule for fixing the inner end of a hairspring.

Also Published As

Publication number Publication date
CH946865A4 (en) 1967-02-28
DE1523746A1 (en) 1969-04-30
CH438156A (en) 1967-11-30
US3429120A (en) 1969-02-25
DE1523746B2 (en) 1970-01-08

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