FR1139507A - Device for retouching the active length of the regulating balance-spring of a timepiece - Google Patents

Device for retouching the active length of the regulating balance-spring of a timepiece

Info

Publication number
FR1139507A
FR1139507A FR1139507DA FR1139507A FR 1139507 A FR1139507 A FR 1139507A FR 1139507D A FR1139507D A FR 1139507DA FR 1139507 A FR1139507 A FR 1139507A
Authority
FR
France
Prior art keywords
timepiece
retouching
spring
active length
regulating balance
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
Other languages
French (fr)
Inventor
Frederic Marti
Georges Braunschweig
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 filed Critical
Application granted granted Critical
Publication of FR1139507A publication Critical patent/FR1139507A/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
    • G04B18/00—Mechanisms for setting frequency
    • G04B18/02—Regulator or adjustment devices; Indexing devices, e.g. raquettes

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR1139507D 1955-02-03 1955-12-29 Device for retouching the active length of the regulating balance-spring of a timepiece Expired FR1139507A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1139507X 1955-02-03

Publications (1)

Publication Number Publication Date
FR1139507A true FR1139507A (en) 1957-07-02

Family

ID=4559601

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1139507D Expired FR1139507A (en) 1955-02-03 1955-12-29 Device for retouching the active length of the regulating balance-spring of a timepiece

Country Status (1)

Country Link
FR (1) FR1139507A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1197817B (en) * 1957-12-26 1965-07-29 Parechoc Sa Back device for a clock with balance and spiral
DE1773591B1 (en) * 1968-06-08 1972-03-09 Pforzheimer Uhren Rohwerke REGULATING DEVICES FOR WATCHES, IN PARTICULAR ELECTRIC WRISTWATCHES

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1197817B (en) * 1957-12-26 1965-07-29 Parechoc Sa Back device for a clock with balance and spiral
DE1773591B1 (en) * 1968-06-08 1972-03-09 Pforzheimer Uhren Rohwerke REGULATING DEVICES FOR WATCHES, IN PARTICULAR ELECTRIC WRISTWATCHES

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