EP 2869134 B1 20200226 - Barrel system for a timepiece
Title (en)
Barrel system for a timepiece
Title (de)
Federhaussystem für Uhr
Title (fr)
Système de barillet pour pièce d'horlogerie
Publication
Application
Priority
EP 13191466 A 20131104
Abstract (en)
[origin: WO2015063338A2] The invention relates to a barrel system (1) for a timepiece, including: a supporting pin (9); a barrel (2, 4) comprising a drum (2) closed by a barrel bottom (4), the barrel housing a mainspring, an outer end of the mainspring being connected to the drum (2); a barrel pin (11) in the form of an hour wheel located in the barrel (2, 4) and surrounding the supporting pin (9), an inner end of said mainspring being connected to the barrel pin (11). According to the invention, the barrel system (1) also includes a rotation transmission pin (12) arranged such as to transmit a rotation motion of said drum (2) to a clockwork element, the rotation transmission pin (12) being in the form of an hour wheel surrounding the supporting pin (9) and being surrounded by the barrel pin (11), the rotation transmission pin (9) being rotatably secured to the drum (2).
IPC 8 full level
G04B 1/16 (2006.01)
CPC (source: CN EP)
G04B 1/00 (2013.01 - CN); G04B 1/16 (2013.01 - EP); G04B 13/02 (2013.01 - CN)
Citation (examination)
CH 73311 A 19160916 - HUGUENIN E [FR]
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 2869134 A1 20150506; EP 2869134 B1 20200226; CN 105637429 A 20160601; CN 105637429 B 20180116; HK 1221022 A1 20170519; WO 2015063338 A2 20150507; WO 2015063338 A3 20151112
DOCDB simple family (application)
EP 13191466 A 20131104; CN 201480057029 A 20141104; EP 2014073729 W 20141104; HK 16109040 A 20160728