Title:
MAINSPRING WINDING TOOL FOR WRIST WATCH
Document Type and Number:
Japanese Patent JP2015232530
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a mainspring winding tool capable of efficiently and simply winding up a mainspring of a mechanical wrist watch without any load on fingers or the like.SOLUTION: A mainspring winding tool for a wrist watch forms a belt shape having a wall thickness made of a material of soft synthetic resin or rubber, and the surface serves as a crown rolling surface 6. The crown 3 for winding up a mainspring of the wrist watch 2 is pressed to the crown rolling surface 6 of a mainspring winding tool body 1 for the wrist watch and the wrist watch 2 is moved toward the longitudinal direction A, thereby rolling the crown 3 by rubbing with the crown rolling surface 6.
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| JP6473835 | Pushpiece winding device for watches |
Inventors:
HANDA HARUHISA
Application Number:
JP2014120113A
Publication Date:
December 24, 2015
Filing Date:
June 11, 2014
Export Citation:
Assignee:
MISUZU SAW MFG
International Classes:
G04B3/00; G04D1/02
Domestic Patent References:
| JP2010538250A | 2010-12-09 | |||
| JP339032989Y | ||||
| JPS5948689U | 1984-03-31 | |||
| JPH0364791U | 1991-06-24 | |||
| JPS63121591U | 1988-08-08 |
Foreign References:
| US3774389A | 1973-11-27 |
Attorney, Agent or Firm:
Shigeru Fujiyoshi
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