Title:
ESCAPEMENT MECHANISM IN PARTICULAR FOR TIMEPIECE MOVEMENT
Document Type and Number:
Japanese Patent JP2012215576
Kind Code:
A
Abstract:
To provide a constant force escapement mechanism for timepiece movement being less cumbersome and comprising only a few parts.
A constant force escapement mechanism in particular for timepiece movement including a spring balance and an escapement mechanism connected to a barrel by a going train includes a constant force auxiliary spring (11). The escapement mechanism includes an impulse lever (8) co-operating on one hand with the escapement mechanism (1) and on the other hand with control members fixed to a shaft of the spring balance. The constant force auxiliary spring (11) is fixed at one end thereof on a part of a frame of the timepiece movement and at the other end to the impulse lever (8).
Inventors:
KEWIN BAS
CYRILLE CHATEL
CYRILLE CHATEL
Application Number:
JP2012094213A
Publication Date:
November 08, 2012
Filing Date:
March 30, 2012
Export Citation:
Assignee:
CARTIER CREATION STUDIO SA
International Classes:
G04B15/10
Attorney, Agent or Firm:
Koichi Tsujii
Sadao Kumakura
Disciple Maru Ken
Ino Sato
Mitsuru Matsushita
Ichiro Kurasawa
Hiroko Suzuki
Sadao Kumakura
Disciple Maru Ken
Ino Sato
Mitsuru Matsushita
Ichiro Kurasawa
Hiroko Suzuki