CH3251A - Calendar mechanism for watches - Google Patents
Calendar mechanism for watchesInfo
- Publication number
- CH3251A CH3251A CH3251A CH3251DA CH3251A CH 3251 A CH3251 A CH 3251A CH 3251 A CH3251 A CH 3251A CH 3251D A CH3251D A CH 3251DA CH 3251 A CH3251 A CH 3251A
- Authority
- CH
- Switzerland
- Prior art keywords
- watches
- calendar mechanism
- calendar
- Prior art date
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
- G04B19/00—Indicating the time by visual means
- G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
- G04B19/243—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator
- G04B19/247—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator disc-shaped
- G04B19/253—Driving or releasing mechanisms
- G04B19/25333—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement
- G04B19/25373—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement driven or released stepwise by an energy source which is released at determined moments by the clockwork movement
- G04B19/25386—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement driven or released stepwise by an energy source which is released at determined moments by the clockwork movement manually corrected at the end of months having less than 31 days
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH3251T | 1891-03-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH3251A true CH3251A (en) | 1891-10-15 |
Family
ID=4184428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH3251A CH3251A (en) | 1891-03-18 | 1891-03-18 | Calendar mechanism for watches |
Country Status (1)
| Country | Link |
|---|---|
| CH (1) | CH3251A (en) |
-
1891
- 1891-03-18 CH CH3251A patent/CH3251A/en unknown
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