CH7176A - Improved calendar clock - Google Patents
Improved calendar clockInfo
- Publication number
- CH7176A CH7176A CH7176A CH7176DA CH7176A CH 7176 A CH7176 A CH 7176A CH 7176 A CH7176 A CH 7176A CH 7176D A CH7176D A CH 7176DA CH 7176 A CH7176 A CH 7176A
- Authority
- CH
- Switzerland
- Prior art keywords
- calendar clock
- improved calendar
- improved
- clock
- 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
- G04B19/25353—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement driven or released stepwise by the clockwork movement
- G04B19/25366—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement driven or released stepwise 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 |
|---|---|---|---|
| CH7176T | 1893-08-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH7176A true CH7176A (en) | 1894-01-31 |
Family
ID=4193520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH7176A CH7176A (en) | 1893-08-25 | 1893-08-25 | Improved calendar clock |
Country Status (1)
| Country | Link |
|---|---|
| CH (1) | CH7176A (en) |
-
1893
- 1893-08-25 CH CH7176A patent/CH7176A/en unknown
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