EP 2362280 B1 20160720 - Bearing for the balance-shaft of a timepiece and timepiece comprising such a bearing
Title (en)
Bearing for the balance-shaft of a timepiece and timepiece comprising such a bearing
Title (de)
Lagerung für die Unruhwelle einer Uhr und Uhr mit dieser Lagerung
Title (fr)
Palier pour un axe de balancier d'une pièce d'horlogerie et pièce d'horlogerie équipée d'un tel palier
Publication
Application
Priority
CH 3072010 A 20100226
Abstract (en)
[origin: EP2362280A1] The bearing has a bush (41) enclosing multiple balls, where axial displacement of the balls is limited by a pivot against element. An element is provided with a hole for permitting insertion of a pivot of a staff balance (50) of a movement of a watch in a space between the balls. The balls and the pivot against element are made of non-metallic and non lubricating material that is chosen from ceramic, zirconium oxide ceramic, silicon and diamond.
IPC 8 full level
G04B 31/012 (2006.01); G04B 31/02 (2006.01)
CPC (source: EP)
G04B 31/0123 (2013.01); G04B 31/02 (2013.01)
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 2362280 A1 20110831; EP 2362280 B1 20160720; CH 702722 A1 20110831; EP 2730981 A1 20140514; EP 2730981 B1 20220413
DOCDB simple family (application)
EP 11153456 A 20110204; CH 3072010 A 20100226; EP 14154387 A 20110204