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Patent Searching and Data


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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Inventors:
HANDA HARUHISA
Application Number:
JP2014120113A
Publication Date:
December 24, 2015
Filing Date:
June 11, 2014
Export Citation:
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Assignee:
MISUZU:KK
International Classes:
G04B3/00; G04D1/02
Domestic Patent References:
JP2010538250A2010-12-09
JP339032989Y
JPS5948689U1984-03-31
JPH0364791U1991-06-24
JPS63121591U1988-08-08
Foreign References:
US3774389A1973-11-27
Attorney, Agent or Firm:
Shigeru Fujiyoshi