CH599581B5CH1196774ACH1196774ACH599581B5CH 599581 B5CH599581 B5CH 599581B5CH 1196774 ACH1196774 ACH 1196774ACH 1196774 ACH1196774 ACH 1196774ACH 599581 B5CH599581 B5CH 599581B5
Authority
CH
Switzerland
Application number
CH1196774A
Inventor
Norbert Perucchi
Michel Belot
Original Assignee
Ebauches 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 Ebauches SafiledCriticalEbauches Sa
Priority to CH1196774ApriorityCriticalpatent/CH599581B5/xx
Priority to CH1196774Dprioritypatent/CH1196774A4/xx
Publication of CH599581B5publicationCriticalpatent/CH599581B5/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
G04B1/00—Driving mechanisms
G04B1/10—Driving mechanisms with mainspring
G04B1/22—Compensation of changes in the motive power of the mainspring
G04B1/225—Compensation of changes in the motive power of the mainspring with the aid of an interposed power-accumulator (secondary spring) which is always tensioned
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
G04B19/02—Back-gearing arrangements between gear train and hands