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Louis Girod & Cie
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Louis Girod & Cie
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Application filed by Louis Girod & CiefiledCriticalLouis Girod & Cie
Application grantedgrantedCritical
Publication of FR1025385ApublicationCriticalpatent/FR1025385A/fr
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
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Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR1025385D1950-10-021950-10-02Dispositif de commande d'un calendrier associé à un mouvement d'horlogerie
ExpiredFR1025385A
(fr)