FR404908A - Clockwork movement with constant force escapement - Google Patents
Clockwork movement with constant force escapementInfo
- 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
Links
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C1/00—Winding mechanical clocks electrically
- G04C1/10—Protection against overwinding
- G04C1/12—Protection against overwinding of the spring
-
- 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
- G04B1/00—Driving mechanisms
- G04B1/10—Driving mechanisms with mainspring
- G04B1/22—Compensation of changes in the motive power of the mainspring
- G04B1/225—Compensation 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)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2876507A1 (en) * | 2014-06-23 | 2015-05-27 | Ponomarev, Dmitrij Maksimovich | Timepiece |
-
1909
- 1909-07-09 FR FR404908D patent/FR404908A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2876507A1 (en) * | 2014-06-23 | 2015-05-27 | Ponomarev, Dmitrij Maksimovich | Timepiece |
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