Title:
時計部品、ムーブメント、時計、および時計部品の製造方法
Document Type and Number:
Japanese Patent JP7223613
Kind Code:
B2
Abstract:
To provide a timepiece component which can be improved in strength at a low cost.SOLUTION: A spiral spring 10 comprises a metal laminate 30 provided on at least one surface of a silicon material 22 in a thickness direction and a an eaves part 32 formed on at least a part of the metal laminate 30 such that the metal laminate 30 overhangs from a side surface 22A of the silicon material 22.SELECTED DRAWING: Figure 2
Inventors:
Matsuo Kishi
Masahiro Uto
Tsuneyoshi Jun
Naoki Amano
Shigeki Koichiro
Takahiko Nakamura
Masahiro Uto
Tsuneyoshi Jun
Naoki Amano
Shigeki Koichiro
Takahiko Nakamura
Application Number:
JP2019057410A
Publication Date:
February 16, 2023
Filing Date:
March 25, 2019
Export Citation:
Assignee:
Seiko Instruments Inc.
International Classes:
G04B17/06; B81B3/00; B81C1/00; G04B15/14
Domestic Patent References:
| JP2015200652A | ||||
| JP2010091544A | ||||
| JP2014153365A |
Foreign References:
| WO2016093354A1 |
Attorney, Agent or Firm:
Patent Attorney Corporation Taiyo International Patent Office
Previous Patent: Vibration suppression structure for industrial machinery
Next Patent: locking device
Next Patent: locking device