EP 3106927 B1 20200603 - POWER RESERVE INDICATOR FOR A TIMEPIECE
Title (en)
POWER RESERVE INDICATOR FOR A TIMEPIECE
Title (de)
GANGRESERVEANZEIGE FÜR UHR
Title (fr)
INDICATEUR DE RÉSERVE DE MARCHE POUR PIÈCE D'HORLOGERIE
Publication
Application
Priority
EP 15169914 A 20150529
Abstract (en)
[origin: US2016349709A1] A timepiece power source is provided, including a barrel containing a mainspring mounted between a drum and an arbor rotating integrally with a ratchet wheel, including a differential gear coaxial to the barrel, with a first input driven by the ratchet wheel, a second input which is the drum, and a pivoting output wheel, coaxial to the arbor, arranged to form or to drive a power reserve indicator, the differential gear including balls driving the output wheel, cooperating with an upper surface of the drum, and with a lower surface, which is opposite thereto, of a differential plate forming the first input, pivoting coaxially on the arbor and connected to the ratchet wheel by a friction means cooperating with a plate, and the ratchet wheel forms the cover of the barrel.
IPC 8 full level
G04B 1/18 (2006.01); G04B 9/00 (2006.01); G04B 13/00 (2006.01); G04C 10/04 (2006.01)
CPC (source: CN EP US)
G04B 1/18 (2013.01 - US); G04B 9/00 (2013.01 - CN); G04B 9/005 (2013.01 - EP US); G04B 13/008 (2013.01 - EP US); G04C 10/04 (2013.01 - US)
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 3098668 A1 20161130; EP 3098668 B1 20181031; CN 106200341 A 20161207; CN 106200341 B 20181002; CN 205827081 U 20161221; EP 3106927 A2 20161221; EP 3106927 A3 20170419; EP 3106927 B1 20200603; JP 2016224043 A 20161228; JP 6196706 B2 20170913; US 2016349709 A1 20161201; US 9971311 B2 20180515
DOCDB simple family (application)
EP 15169914 A 20150529; CN 201610366262 A 20160527; CN 201620502367 U 20160527; EP 16165724 A 20160418; JP 2016098540 A 20160517; US 201615140991 A 20160428