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.)
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.)
Greiner Electronic AG
Original Assignee
Greiner Electronic AG
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 Greiner Electronic AGfiledCriticalGreiner Electronic AG
Priority to FR897111ApriorityCriticalpatent/FR1321869A/fr
Application grantedgrantedCritical
Publication of FR1321869ApublicationCriticalpatent/FR1321869A/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
G04B17/00—Mechanisms for stabilising frequency
G04B17/32—Component parts or constructional details, e.g. collet, stud, virole or piton
G04B17/34—Component parts or constructional details, e.g. collet, stud, virole or piton for fastening the hairspring onto the balance
G04B17/345—Details of the spiral roll
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR897111A1962-05-101962-05-10Moyeu de spiral pour la fixation de l'extrémité intérieure d'un ressort spiral demouvement d'horlogerie
ExpiredFR1321869A
(fr)