Title:
ELECTROMAGNET SCREWDRIVER
Document Type and Number:
Japanese Patent JP2004074353
Kind Code:
A
Abstract:
To supply current to a coil to attract a screw by a screwdriver, and to supply no current to the coil not to attract the screw by the screwdriver.
This screwdriver is provided with a magnetizing coil wound around a driver shaft that can be magnetized, and plating of non-magnetic material applied on the driver shaft.
Inventors:
KOBATA YOSHIHIRO
Application Number:
JP2002238695A
Publication Date:
March 11, 2004
Filing Date:
August 20, 2002
Export Citation:
Assignee:
CANON KK
International Classes:
B25B15/00; (IPC1-7): B25B15/00
Attorney, Agent or Firm:
Yukio Takanashi