EP 1970778 B1 20090916 - Timepiece comprising a device indicating the power reserve
Title (en)
Timepiece comprising a device indicating the power reserve
Title (de)
Uhr mit Anzeige der Gangreserve
Title (fr)
Pièce d'horlogerie comprenant un dispositif indicateur de réserve de marche
Publication
Application
Priority
EP 07104055 A 20070313
Abstract (en)
[origin: EP1970778A1] The timepiece (1) has a power reserve indicator device with a differential gear frame which is arranged coaxially with respect to a barrel arbour (12). The secondary output of differential gear is secured to a barrel cover. The differential gear output is obtained by an inner tooth crown which is kinetically connected to primary input by the planetary wheel sets meshed with each other, and carried by the barrel cover.
IPC 8 full level
G04B 9/00 (2006.01)
CPC (source: EP US)
G04B 9/00 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
EP 1970778 A1 20080917; EP 1970778 B1 20090916; AT E443282 T1 20091015; CN 101281386 A 20081008; CN 101281386 B 20111214; DE 602007002471 D1 20091029; JP 2008224668 A 20080925; JP 5436788 B2 20140305; US 2008225646 A1 20080918; US 7490977 B2 20090217
DOCDB simple family (application)
EP 07104055 A 20070313; AT 07104055 T 20070313; CN 200810086440 A 20080312; DE 602007002471 T 20070313; JP 2008059047 A 20080310; US 4334208 A 20080306