EP 2290477 B1 20140611 - Assembly for fixing the peripheral end of the hairspring of a device with balance wheel-hairspring for a timepiece
Title (en)
Assembly for fixing the peripheral end of the hairspring of a device with balance wheel-hairspring for a timepiece
Title (de)
Einheit zur Befestigung des peripheren Endes der Spirale einer Vorrichtung mit Spiralunruh für ein Uhrwerk
Title (fr)
Ensemble de fixation de l'extrémite péripherique du spiral d'un dispositif à balancier-spiral pour pièce d'horlogerie
Publication
Application
Priority
EP 09168602 A 20090825
Abstract (en)
[origin: EP2290477A1] The assembly has a stud-carrier (2) permitting fixation of an outer end of a hairspring (1) in a convex channel (3) that is provided at the level of the stud-carrier. The stud-carrier houses a stud (10) against which the hairspring is maintained by locking. A stud locking screw (11) has a threaded body (12) for assembling the locking screw in an internal thread (14) of the stud-carrier. The locking screw has a pin (15) provided in an extension of the threaded body opposite to a head of the locking screw. The stud has a housing (16) in which the pin is inserted. Independent claims are also included for the following: (1) a balance spring device comprising a hairspring (2) a method for fixing a peripheral end of a hairspring on a balance spring device in a timepiece.
IPC 8 full level
G04B 17/32 (2006.01); G04B 18/02 (2006.01)
CPC (source: EP US)
G04B 17/325 (2013.01 - EP US); G04B 18/023 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR
DOCDB simple family (publication)
EP 2290477 A1 20110302; EP 2290477 B1 20140611; CN 101995811 A 20110330; CN 101995811 B 20150107; HK 1155823 A1 20120525; JP 2011047941 A 20110310; JP 5249292 B2 20130731; US 2011051565 A1 20110303; US 8297833 B2 20121030
DOCDB simple family (application)
EP 09168602 A 20090825; CN 201010267323 A 20100824; HK 11110176 A 20110927; JP 2010188243 A 20100825; US 85468910 A 20100811