FR2242715A1 - Balance spring of watch - is fixed to balance collet in C-groove of greater curvature than spring end - Google Patents

Balance spring of watch - is fixed to balance collet in C-groove of greater curvature than spring end

Info

Publication number
FR2242715A1
FR2242715A1 FR7331263A FR7331263A FR2242715A1 FR 2242715 A1 FR2242715 A1 FR 2242715A1 FR 7331263 A FR7331263 A FR 7331263A FR 7331263 A FR7331263 A FR 7331263A FR 2242715 A1 FR2242715 A1 FR 2242715A1
Authority
FR
France
Prior art keywords
spring
balance
collet
groove
watch
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
FR7331263A
Other languages
French (fr)
Other versions
FR2242715B1 (en
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.)
SPIRAUX FRANCAIS SA
Original Assignee
SPIRAUX FRANCAIS 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 SPIRAUX FRANCAIS SA filed Critical SPIRAUX FRANCAIS SA
Priority to FR7331263A priority Critical patent/FR2242715A1/en
Priority to DE19742440713 priority patent/DE2440713A1/en
Priority to JP9801274A priority patent/JPS551558B2/ja
Publication of FR2242715A1 publication Critical patent/FR2242715A1/en
Application granted granted Critical
Publication of FR2242715B1 publication Critical patent/FR2242715B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04D—APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
    • G04D1/00—Gripping, holding, or supporting devices
    • G04D1/04—Tools for setting springs
    • G04D1/042—Tools for setting springs for coil springs in regulating mechanisms
    • G04D1/045—Tools for setting springs for coil springs in regulating mechanisms for fastening the ends
    • G04D1/047—Tools for setting springs for coil springs in regulating mechanisms for fastening the ends on the coil 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
    • 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

Abstract

The inner end of a spiral spring in a watch is attached to the balance staff by a simple collet which centres the spiral precisely in an economical manner. The collet with the bore for the balance staff has a C-shaped groove into which the inner end of a spiral spring is inserted. The spiral radius r is smaller than the groove radius R so that the spring is taken to a position where it is precisely centred relative to the collet axis. The spring end can then be fixed by nicks in the tongues of the C-groove or by adhesive or solder.
FR7331263A 1973-08-29 1973-08-29 Balance spring of watch - is fixed to balance collet in C-groove of greater curvature than spring end Granted FR2242715A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR7331263A FR2242715A1 (en) 1973-08-29 1973-08-29 Balance spring of watch - is fixed to balance collet in C-groove of greater curvature than spring end
DE19742440713 DE2440713A1 (en) 1973-08-29 1974-08-24 METHOD AND DEVICE FOR FASTENING AND CENTERING A COIL SPRING, IN PARTICULAR A CLOCK SPRING ON A SUPPORT RING
JP9801274A JPS551558B2 (en) 1973-08-29 1974-08-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7331263A FR2242715A1 (en) 1973-08-29 1973-08-29 Balance spring of watch - is fixed to balance collet in C-groove of greater curvature than spring end

Publications (2)

Publication Number Publication Date
FR2242715A1 true FR2242715A1 (en) 1975-03-28
FR2242715B1 FR2242715B1 (en) 1977-05-13

Family

ID=9124425

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7331263A Granted FR2242715A1 (en) 1973-08-29 1973-08-29 Balance spring of watch - is fixed to balance collet in C-groove of greater curvature than spring end

Country Status (3)

Country Link
JP (1) JPS551558B2 (en)
DE (1) DE2440713A1 (en)
FR (1) FR2242715A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100405237C (en) * 2004-04-06 2008-07-23 尼瓦洛克斯-法尔股份有限公司 Collet without deformation of the fixation radius of the balance-spring and manufacturing method of the same

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58195777U (en) * 1982-06-23 1983-12-26 新日軽株式会社 lower/lower window
JP7170571B2 (en) * 2019-03-26 2022-11-14 セイコーインスツル株式会社 Watch parts and their manufacturing methods, movements and watches

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100405237C (en) * 2004-04-06 2008-07-23 尼瓦洛克斯-法尔股份有限公司 Collet without deformation of the fixation radius of the balance-spring and manufacturing method of the same

Also Published As

Publication number Publication date
FR2242715B1 (en) 1977-05-13
JPS551558B2 (en) 1980-01-14
DE2440713A1 (en) 1975-03-13
JPS5051762A (en) 1975-05-08

Similar Documents

Publication Publication Date Title
CH555562B (en) ELECTRONIC WATCH EQUIPPED WITH A TIME-SETTING DEVICE.
CH622661B (en) DEVICE FOR FIXING A WATCHMAKING DIAL ON THE PLATE OF A WATCH MOVEMENT.
FR2242715A1 (en) Balance spring of watch - is fixed to balance collet in C-groove of greater curvature than spring end
FR2315714A1 (en) End coupling for spiral spring - is used in timepiece or measuring instrument and positioned in different plane to spring
FR2247761B1 (en)
GB1359577A (en) One-piece roller-impulse member for timepiece escapement
GB1325951A (en) Timepiece assembly
GB1370172A (en) Hairsprings for attachment to oscillatory elements
AU452804B2 (en) Horological hairspring regulator
GB1415438A (en) Method and device for fixing a watch balance-spring to a collet
GB1451257A (en) Fastening the inner end of a mainspring to the barrel arbor of a clock or watch movement
JPS5792191U (en)
GB1377430A (en) Electric timepiece
NL7104106A (en)
FR2254054A1 (en) Spiral spring on watch balance wheel - has its inner end fastened to periphery of roller by laser welding
US2763123A (en) Fork safety means for clocks with pallet escapement
GB1083947A (en) A device for securing one end of a watch regulating balance-spring to a connecting member
GB1208531A (en) Hairspring
JPS51115220A (en) Watch with parts made of self-lubricating ferrous alloy
FR2293887A1 (en) Pin for fixing bracelets to watch cases - has coil spring and sliding axle in hollow cylindrical body
FR1225705A (en) Clockwork mechanism for watches, in particular for wristwatches with centrifugal weight winding
FR2318448A1 (en) Attachment for timepiece balance spring - has clamping point diametrically opposite end of spring end section
GB1138677A (en) Hairspring collet for a timepiece
CH564799A (en) Spiral balance spring fixation means - employing resilient ring passing round balance axis
GB1010207A (en) Clock for vehicles with automatic winding up

Legal Events

Date Code Title Description
ST Notification of lapse