EP 3430482 A1 20190123 - MECHANISM FOR A WATCH MOVEMENT
Title (en)
MECHANISM FOR A WATCH MOVEMENT
Title (de)
MECHANISMUS FÜR EIN UHRWERK
Title (fr)
MECANISME POUR MOUVEMENT DE MONTRE
Publication
Application
Priority
- CH 3502016 A 20160315
- IB 2017051511 W 20170315
Abstract (en)
[origin: WO2017158536A1] A mechanism for a watch movement (1) comprises a cam (5), a rack (3) driven by the cam (5), a retrograde wheel (20) that is driven by the rack (5) and supports a retrograde indicator (2) for displaying a first time, the rack (3) and the retrograde wheel (20) being designed to rotate in the same direction. A jumping hour display disk is synchronized with the retrograding movements of the retrograde display.
IPC 8 full level
G04B 19/08 (2006.01); G04B 19/20 (2006.01)
CPC (source: EP US)
G04B 19/065 (2013.01 - US); G04B 19/082 (2013.01 - EP US); G04B 19/202 (2013.01 - EP US)
Citation (search report)
See references of WO 2017158536A1
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)
CH 712219 A2 20170915; CN 109313412 A 20190205; CN 109313412 B 20210420; EP 3430482 A1 20190123; EP 3430482 B1 20220126; JP 2019509504 A 20190404; JP 6941153 B2 20210929; US 11003139 B2 20210511; US 2019332059 A1 20191031; WO 2017158536 A1 20170921
DOCDB simple family (application)
CH 3502016 A 20160315; CN 201780017583 A 20170315; EP 17712847 A 20170315; IB 2017051511 W 20170315; JP 2019500039 A 20170315; US 201716085520 A 20170315