EP 2874020 B1 20161026 - Regulating system for a clock movement
Title (en)
Regulating system for a clock movement
Title (de)
Reguliersystem für Uhrwerk
Title (fr)
Système réglant pour mouvement d'horlogerie
Publication
Application
Priority
- EP 13193167 A 20131115
- EP 14192316 A 20141107
Abstract (en)
[origin: JP2015096852A] PROBLEM TO BE SOLVED: To provide a regulating system capable of changing positional energy of a power spring at a time point or substantially the time point when speed of a trank roller becomes zero.SOLUTION: A regulating system 110 for a timepiece movement 12 comprising a first sub system comprises: a first oscillator O111 comprising a first trank roller B111 and a first hair power spring S111; a first displacement element M111 of the first hair power spring S111; and a first actuation element A111 of the first displacement element M111 at a time point or substantially the time point when the speed of the first trank roller B111 becomes zero.
IPC 8 full level
G04B 17/06 (2006.01); G04B 15/06 (2006.01); G04B 17/04 (2006.01); G04B 18/02 (2006.01)
CPC (source: EP US)
G04B 15/06 (2013.01 - EP US); G04B 17/04 (2013.01 - EP US); G04B 17/06 (2013.01 - EP US); G04B 18/02 (2013.01 - EP 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 2874020 A1 20150520; EP 2874020 B1 20161026; CN 104656405 A 20150527; CN 104656405 B 20190607; JP 2015096852 A 20150521; JP 6470016 B2 20190213; US 2015138933 A1 20150521; US 9081365 B2 20150714
DOCDB simple family (application)
EP 14192316 A 20141107; CN 201410647981 A 20141114; JP 2014227636 A 20141110; US 201414542069 A 20141114