EP 3828641 B1 20220720 - PUSH-CROWN FOR A TIMEPIECE
Title (en)
PUSH-CROWN FOR A TIMEPIECE
Title (de)
DRÜCKERKRONE FÜR UHR
Title (fr)
COURONNE-POUSSOIR POUR PIÈCE D'HORLOGERIE
Publication
Application
Priority
EP 19212451 A 20191129
Abstract (en)
[origin: CN112882371A] The invention relates to a crown/pusher (3) including a tube (6) attached to a watch case (1), a recessed head (4) integral with a stem (7) which is movable with respect to the tube (6) and defines an axis (7a), the recessed head (4) being mounted to move in rotation and in translation respectively around and along the axis (7a) of the stem (7), a return spring (10) disposed around the stem (7), the crown/pusher (3) includes a cage (11) housing the spring (10), the cage (11) being traversed by the stem (7) and including an upper part (12) integral with the recessed head (4) and a lower part (13) freely mounted with respect to the recessed head (4), the upper part (12) cooperating with the lower part (13) in order to drive the lower part (13) in its rotational movement and in order to move in translation along the axis (7a) with respect to the lower part (13), the spring being compressed inside the cage (11) in order to be driven in rotation with the cage (11).
IPC 8 full level
G04B 3/04 (2006.01)
CPC (source: CN EP US)
G04B 3/041 (2013.01 - CN US); G04B 3/046 (2013.01 - EP); G04B 27/002 (2013.01 - CN); G04B 27/02 (2013.01 - CN); G04B 29/04 (2013.01 - CN); G04G 21/00 (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 3828641 A1 20210602; EP 3828641 B1 20220720; CN 112882371 A 20210601; CN 112882371 B 20220503; JP 2021085875 A 20210603; JP 7025500 B2 20220224; US 11366428 B2 20220621; US 2021165368 A1 20210603
DOCDB simple family (application)
EP 19212451 A 20191129; CN 202011356150 A 20201127; JP 2020161732 A 20200928; US 202017029181 A 20200923