EP 3218770 A1 20170920 - MOTOR MEMBER FOR A CLOCK MOVEMENT
Title (en)
MOTOR MEMBER FOR A CLOCK MOVEMENT
Title (de)
ANTRIEBSORGAN FÜR UHRWERK
Title (fr)
ORGANE MOTEUR POUR MOUVEMENT D'HORLOGERIE
Publication
Application
Priority
- EP 14192690 A 20141111
- EP 2015071262 W 20150916
Abstract (en)
[origin: WO2016074831A1] A driving mechanism for a clock movement equipped with a barrel comprising a drum, and at least one spring, said spring being wound inside the barrel, the inner coil of the spring being coupled to a core, and the outer coil of the spring being in contact with the circular wall of the drum. According to the invention, the inner circular wall of the drum comprises axial means for retaining the spring in place, and the spring comprises complementary retaining means designed to engage with the axial retaining means such as to maintain the spring axially inside the barrel.
IPC 8 full level
G04B 1/18 (2006.01)
CPC (source: EP)
G04B 1/18 (2013.01)
Citation (search report)
See references of WO 2016074831A1
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
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
EP 3021172 A1 20160518; EP 3218770 A1 20170920; EP 3218770 B1 20190424; WO 2016074831 A1 20160519
DOCDB simple family (application)
EP 14192690 A 20141111; EP 15771056 A 20150916; EP 2015071262 W 20150916