Title:
Adjusting member of a clock
Document Type and Number:
Japanese Patent JP6078156
Kind Code:
B2
Abstract:
The element (1) has a balance (2) designed as a beam oscillating about an axis (D) and subjected to a restoring moment exerted by a torsion return unit (4). The balance comprises securing units (10) used to oscillate the balance integrally with a torsion wire (5) forming the torsion return unit of the balance. The torsion wire has elasticity modulus greater than 100 Gigapascal and yield stress greater than 2000 Megapascal. The wire is made of glass metal of Metglas MBF20 (RTM: thin amorphous metal alloy ribbon). An independent claim is also included for a movement.
Inventors:
Cordier, Samuel
Capto, Edmon
Capto, Edmon
Application Number:
JP2015529049A
Publication Date:
February 08, 2017
Filing Date:
September 03, 2013
Export Citation:
Assignee:
Blancpain Est
International Classes:
G04B17/10
Domestic Patent References:
| JP30001041B1 |
Attorney, Agent or Firm:
Masaki Yamakawa
Shigeki Yamakawa
Shigeki Yamakawa