Title:
SCREW COMPONENT
Document Type and Number:
Japanese Patent JP2002357208
Kind Code:
A
Abstract:
To provide a screw component capable of easily fastening a fastened member in a location where a working space is narrow or visibility is poor.
A slanting installation of a fastening tool is practical so that a slant face in which a polygon formed on the top surface is widened toward from the tip of a head portion to a lower portion is arranged in the head portion as a connecting portion with the fastening tool. Or, upon arranging a polygonal ball-shaped bulging portion 22 in section in the head portion 21 and also forming a narrow part 27 between the ball-shaped bulging portion 22 and a seated surface 25, the fastening member is tightened by slantly installing the fastening tool such as a socket wrench.
Inventors:
KAGAMI HIDEKI
MORI TOSHIYA
MIZUNO HIROMICHI
MITSUI YASUHIRO
MORI TOSHIYA
MIZUNO HIROMICHI
MITSUI YASUHIRO
Application Number:
JP2001167037A
Publication Date:
December 13, 2002
Filing Date:
June 01, 2001
Export Citation:
Assignee:
AOYAMA SEISAKUSHO
International Classes:
B23P19/06; F16B23/00; F16B35/00; (IPC1-7): F16B23/00; B23P19/06; F16B35/00
Attorney, Agent or Firm:
Tatsuo Watanuki (2 outside)
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