Title:
ZERO-RESET DEVICE WITH INDEPENDENT HAMMERS
Document Type and Number:
Japanese Patent JP2015118082
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To produce a zero-reset device equipped with independent hammers, which is provided with increased operational reliability, high accuracy in terms of the simultaneous actuation of the hammers, and also a well defined force applied to heart-shaped cams.SOLUTION: Bending and release means 6 is capable of bending hammer springs in a first phase of an actuation of first control means 1 and also cooperating with locking means 7 in a second phase of the actuation of the first control means 1 such that the locking means 7 passes from a first, rest position, in which the locking means 7 holds the zero-reset hammers in the rest positions thereof, to a second, release position, in which the locking means releases the zero-reset hammers, which come, in any case under the action of the corresponding hammer spring, into the positions of cooperation with the corresponding zero-reset cam.
Inventors:
THIBAUT PHILIPPINE
JACQUES GABATHULER
JOHAN MONTET
JACQUES GABATHULER
JOHAN MONTET
Application Number:
JP2014228695A
Publication Date:
June 25, 2015
Filing Date:
November 11, 2014
Export Citation:
Assignee:
PIGUET & CO HORLOGERIE
International Classes:
G04B27/00; G04F7/08
Domestic Patent References:
| JP2008046128A | 2008-02-28 | |||
| JPS509464A | 1975-01-30 |
Foreign References:
| EP2241945A2 | 2010-10-20 |
Attorney, Agent or Firm:
Yasuhiko Murayama
Masatake Shiga
Takashi Watanabe
Shinya Mitsuhiro
Masatake Shiga
Takashi Watanabe
Shinya Mitsuhiro