Title:
ひげゼンマイ付きテンプの調速機とその製造方法
Document Type and Number:
Japanese Patent JP2006516718
Kind Code:
A
Abstract:
The spring (10) has windings that are made of a single band extending from an inside curve (11) to an outside curve (14). The inside curve is extended by a self blocking washer (17) that allows the spring to be fixed on axis (9) of a balance-wheel. A rectangular section having a non-uniform thickness (e) is presented between an attachment to a center and an attachment to outside. An independent claim is also included for a method of manufacturing a hair-spring from a board in an amorphous or crystalline material.
Inventors:
Conus, Thierry
Trumpy, Casper
Trumpy, Casper
Application Number:
JP2005518308A
Publication Date:
July 06, 2006
Filing Date:
February 02, 2004
Export Citation:
Assignee:
ETI SA Manufacture Hollogea Switzerland
International Classes:
G04B17/06; F16F1/10; G04B17/34; G04D3/00
Foreign References:
| US0209642A1 | ||||
| WO1999012080A1 | 1999-03-11 | |||
| US3186157A | 1965-06-01 | |||
| US20020115016A1 | 2002-08-22 |
Attorney, Agent or Firm:
Hirofumi Mimata