Legal status (The legal status 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 status listed.)
Expired
Application number
GB9898/42A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mefina SA
Original Assignee
Mefina 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 Mefina SAfiledCriticalMefina SA
Publication of GB555397ApublicationCriticalpatent/GB555397A/en
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
G04B15/00—Escapements
G04B15/02—Escapements permanently in contact with the regulating mechanism
Abstract
555,397. Clocks. MEFINA SOC. ANON. July 16, 1942, No. 9898. Convention date, July 26, 1941. [Class 139] A clockwork escapement, more particularly for use in a time-fuze for a projectile, comprises two interengaging toothed wheels 10, 11 mounted on spindles arranged parallel to the arbor of the balance wheel 13, and a cylindrical member 12 on the arbor formed with a recess for alternate co-operation with the teeth of the two wheels to impart impulses to the arbor during the oscillations of the balance wheel under control of the hair spring 14. At least one of the wheels is driven by a spring, or weight or othe source of power each wheel being checked in turn by the surface of the cylindrical member.
GB9898/42A1941-07-261942-07-16Improvements in clockwork escapements
ExpiredGB555397A
(en)