EP 1706796 A1 20061004 - TIMEPIECE COMPRISING TWO TURBILLONS
Title (en)
TIMEPIECE COMPRISING TWO TURBILLONS
Title (de)
UHR MIT ZWEI TOURBILLON UHRWERKEN
Title (fr)
PIECE D'HORLOGERIE COMPORTANT DEUX TURBILLONS
Publication
Application
Priority
- CH 2004000627 W 20041018
- CH 18652003 A 20031031
Abstract (en)
[origin: WO2005043257A1] A movement for a watchmaking piece comprising a frame (10, 11) defining a reference plane and, mounted thereon, a mechanical energy source, a clockwork watch movement driven by said energy source and adapted in such a way as to be able to bear means for displaying the time, and a time base comprising two balance wheels and two escapements, and a differential gear (31) ensuring a kinematic link between the clockwork watch movement and the escapements. According to the invention, the time base comprises two tourbillons (20,25) each of which is provided with a cage (19,26) bearing an escapement and a balance wheel, said cages being rotationally driven at least intermediately by said differential gear (31).
IPC 8 full level
G04B 17/06 (2006.01); G04B 17/28 (2006.01)
CPC (source: EP)
G04B 17/285 (2013.01)
Citation (search report)
See references of WO 2005043257A1
Designated contracting state (EPC)
CH DE FR GB LI
DOCDB simple family (publication)
WO 2005043257 A1 20050512; CH 694833 A5 20050729; DE 602004007045 D1 20070726; DE 602004007045 T2 20080214; EP 1706796 A1 20061004; EP 1706796 B1 20070613
DOCDB simple family (application)
CH 2004000627 W 20041018; CH 18652003 A 20031031; DE 602004007045 T 20041018; EP 04761967 A 20041018