FR404908A - Clockwork movement with constant force escapement - Google Patents

Clockwork movement with constant force escapement

Info

Publication number
FR404908A
FR404908A FR404908DA FR404908A FR 404908 A FR404908 A FR 404908A FR 404908D A FR404908D A FR 404908DA FR 404908 A FR404908 A FR 404908A
Authority
FR
France
Prior art keywords
constant force
clockwork movement
force escapement
escapement
clockwork
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)
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.)
ERIEL D'USINES A GAZ
Compteurs Schlumberger SA
Original Assignee
ERIEL D'USINES A GAZ
Compteurs Schlumberger 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 ERIEL D'USINES A GAZ, Compteurs Schlumberger SA filed Critical ERIEL D'USINES A GAZ
Application granted granted Critical
Publication of FR404908A publication Critical patent/FR404908A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G04HOROLOGY
    • G04CELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C1/00Winding mechanical clocks electrically
    • G04C1/10Protection against overwinding
    • G04C1/12Protection against overwinding of the spring
    • GPHYSICS
    • G04HOROLOGY
    • G04BMECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B1/00Driving mechanisms
    • G04B1/10Driving mechanisms with mainspring
    • G04B1/22Compensation of changes in the motive power of the mainspring
    • G04B1/225Compensation of changes in the motive power of the mainspring with the aid of an interposed power-accumulator (secondary spring) which is always tensioned

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR404908D 1909-07-09 1909-07-09 Clockwork movement with constant force escapement Expired FR404908A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR404908T 1909-07-09

Publications (1)

Publication Number Publication Date
FR404908A true FR404908A (en) 1909-12-15

Family

ID=1449432

Family Applications (1)

Application Number Title Priority Date Filing Date
FR404908D Expired FR404908A (en) 1909-07-09 1909-07-09 Clockwork movement with constant force escapement

Country Status (1)

Country Link
FR (1) FR404908A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2876507A1 (en) * 2014-06-23 2015-05-27 Ponomarev, Dmitrij Maksimovich Timepiece

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2876507A1 (en) * 2014-06-23 2015-05-27 Ponomarev, Dmitrij Maksimovich Timepiece

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