EP 2804054 B1 20200923 - Anti-adhesion device of a spiral on a bridge
Title (en)
Anti-adhesion device of a spiral on a bridge
Title (de)
Antihaftvorrichtung einer Spiralfeder auf einer Brücke
Title (fr)
Dispositif anti-adhésion d'un spiral sur un pont
Publication
Application
Priority
- EP 13168277 A 20130517
- EP 14164648 A 20140414
Abstract (en)
[origin: US2014341000A1] The invention relates to a timepiece movement including a resonator formed by the cooperation of a balance with a balance spring, said resonator being pivotally mounted between a bar and another part such as a bar or a main plate. According to the invention, the timepiece movement further includes a device preventing adhesion of said balance spring against said bar including a surface decreasing means formed on the bar for limiting the contact surface when the faces of said balance spring and of said bar touch each other.
IPC 8 full level
G04B 17/06 (2006.01); G04B 29/02 (2006.01)
CPC (source: EP US)
G04B 15/14 (2013.01 - US); G04B 17/066 (2013.01 - EP US); G04B 29/025 (2013.01 - EP US)
Designated contracting state (EPC)
AL 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 RS SE SI SK SM TR
DOCDB simple family (publication)
EP 2804054 A1 20141119; EP 2804054 B1 20200923; CN 104166337 A 20141126; CN 104166337 B 20170517; CN 204241841 U 20150401; HK 1193712 A2 20140926; HK 1204498 A1 20151120; JP 2014228542 A 20141208; JP 6067617 B2 20170125; US 2014341000 A1 20141120; US 9348313 B2 20160524
DOCDB simple family (application)
EP 14164648 A 20140414; CN 201410205635 A 20140515; CN 201420249521 U 20140515; HK 14104469 A 20140512; HK 15104983 A 20150526; JP 2014101340 A 20140515; US 201414257146 A 20140421