EP 1666991 B1 20110601 - Annual calendar mechanism for a timepiece
Title (en)
Annual calendar mechanism for a timepiece
Title (de)
Jährlicher Kalendermechanismus für eine Uhr
Title (fr)
Mecanisme de quantieme annuel pour piece d'horlogerie
Publication
Application
Priority
EP 04028561 A 20041202
Abstract (en)
[origin: EP1666991A1] The mechanism has an intermediate wheel connecting an annual wheel (7) to a stage of a date ring (4), at the end of each month. The wheel (7) has twice of teeth (30) than arc months in a year and a wheel (40) meshed to it. The wheel (7) has a wheel (50) fixed onto and arranged coaxially to the wheel (40). The latter wheel is meshed at the end of each month, with a snug arranged inside the date ring stage.
IPC 8 full level
G04B 19/253 (2006.01)
CPC (source: EP US)
G04B 19/2536 (2013.01 - EP US)
Designated contracting state (EPC)
CH DE FR GB LI
DOCDB simple family (publication)
EP 1666991 A1 20060607; EP 1666991 B1 20110601; CN 100568121 C 20091209; CN 1782927 A 20060607; JP 2006162611 A 20060622; JP 4754334 B2 20110824; US 2006120219 A1 20060608; US 7301854 B2 20071127
DOCDB simple family (application)
EP 04028561 A 20041202; CN 200510125767 A 20051201; JP 2005341631 A 20051128; US 26191905 A 20051031