Global Patent Index - EP 1868045 B1

EP 1868045 B1 20190220 - Horological collet

Title (en)

Horological collet

Title (de)

Spiralrolle für Uhr

Title (fr)

Virole d'horlogerie

Publication

EP 1868045 B1 20190220 (FR)

Application

EP 06012021 A 20060612

Priority

EP 06012021 A 20060612

Abstract (en)

[origin: EP1868045A1] The collet (1) has a junction point (8) with an inner end of a hairspring (2), and a lateral recess (10) provided on a zone (7a) of the junction point, where the zone is a junction zone between elastic deformable arms (3). The recess is conformed so that the distance (R) between the junction point and a center (O) of a balance staff (6) is not modified during driving of the collet on the balance staff, where the collet has triangular shape. Independent claims are also included for the following: (1) a hairspring-collet assembly (2) a method for designing a collet of a clock (3) a method for forming a collet.

IPC 8 full level

G04B 17/34 (2006.01)

CPC (source: EP)

G04B 17/345 (2013.01)

Citation (examination)

EP 1857891 A1 20071121 - PATEK PHILIPPE SA [CH]

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

DOCDB simple family (publication)

EP 1868045 A1 20071219; EP 1868045 B1 20190220

DOCDB simple family (application)

EP 06012021 A 20060612