EP 3567438 B1 20220323 - TIMEPIECE CALENDAR SYSTEM
Title (en)
TIMEPIECE CALENDAR SYSTEM
Title (de)
KALENDERSYSTEM FÜR UHR
Title (fr)
SYSTÈME DE CALENDRIER HORLOGER
Publication
Application
Priority
EP 18171542 A 20180509
Abstract (en)
[origin: US2019346813A1] System (1) for a watch calendar, the system comprising a first wheel (3); a first finger (5b) for driving the first wheel; a tooth (31b) for driving the first wheel, the tooth being movably mounted on the first wheel (3) between a retracted position and a driving position; and a desmodromic system (2, 4) comprising a cam (2) and a cam follower (4), the desmodromic system being arranged in such a way that at least a first position of the cam defines a first position of the follower permitting the retraction of the tooth, and that at least a second position of the cam defines a second position of the follower preventing the retraction of the tooth.
IPC 8 full level
G04B 19/253 (2006.01)
CPC (source: CN EP US)
G04B 19/2536 (2013.01 - CN 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 3567438 A1 20191113; EP 3567438 B1 20220323; CN 110471271 A 20191119; CN 110471271 B 20220510; JP 2020003476 A 20200109; JP 7360809 B2 20231013; US 11347186 B2 20220531; US 2019346813 A1 20191114
DOCDB simple family (application)
EP 18171542 A 20180509; CN 201910383852 A 20190509; JP 2019087982 A 20190508; US 201916398734 A 20190430