Title:
DRILLING TOOL FOR REMOVING SPOT-WELDED SECTION
Document Type and Number:
Japanese Patent JP2008068398
Kind Code:
A
Abstract:
To provide a drilling tool for removing a spot-welded section.
The drilling tool comprises a housing, a motor arranged at a fixed position in the housing, and an edge component supported by the housing so as to move between an extended position and a contracting position against the box and motor. The edge component is movably connected with the motor, and the motor rotates the edge component in the extended position.
Inventors:
KOBAYASHI SHIGEKI
Application Number:
JP2007238063A
Publication Date:
March 27, 2008
Filing Date:
September 13, 2007
Export Citation:
Assignee:
SP AIR CORP
International Classes:
B23B45/00
Attorney, Agent or Firm:
Takuji Yamada
Mitsuo Tanaka
Mitsuo Wada
Hiroshi Okabe
Mitsuo Tanaka
Mitsuo Wada
Hiroshi Okabe
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