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)
• Electromechanical Clocks (AREA)

Applications Claiming Priority (1)

Publications (2)

Family

ID=4219568

Family Applications (1)

Country Status (3)

Families Citing this family (11)

Family Cites Families (1)

• 1972
  • 1972-02-09 CH CH182972D patent/CH182972A4/xx unknown
  • 1972-02-09 CH CH182972A patent/CH566041A/xx not_active IP Right Cessation
• 1973
  • 1973-01-30 US US00328122A patent/US3779001A/en not_active Expired - Lifetime
  • 1973-02-09 JP JP48016409A patent/JPS5249982B2/ja not_active Expired

Also Published As

Similar Documents