CH600406B5CH1545575ACH1545575ACH600406B5CH 600406 B5CH600406 B5CH 600406B5CH 1545575 ACH1545575 ACH 1545575ACH 1545575 ACH1545575 ACH 1545575ACH 600406 B5CH600406 B5CH 600406B5
Authority
CH
Switzerland
Application number
CH1545575A
Inventor
Donald Rochat
Original Assignee
Valjoux Sa
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Valjoux SafiledCriticalValjoux Sa
Priority to CH1545575DpriorityCriticalpatent/CH1545575A4/xx
Priority to CH1545575Aprioritypatent/CH600406B5/xx
Publication of CH600406B5publicationCriticalpatent/CH600406B5/xx
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