Title:
ネジ式固定具
Document Type and Number:
Japanese Patent JP2004525314
Kind Code:
A
Abstract:
The invention provides a fastener (10) comprising a shank (11) which terminates in a head formation (12) at one end thereof, the head formation having an outer engagement profile (13) which is adapted to be engaged by drive means to rotate the fastener, and a blind socket (15) whereof the inner surface has an inner engagement profile (14) which is adapted to be engaged by a spigot-type drive means for rotating the fastener, the socket formation terminating in a concave profile at its remote end (15a).
More Like This:
Inventors:
Cropper, Johannes, Frederick
Application Number:
JP2002573542A
Publication Date:
August 19, 2004
Filing Date:
March 15, 2002
Export Citation:
Assignee:
Hex Head Cap Screw Investments (Pty W) Limited
International Classes:
B21J13/02; B21K1/46; B21K1/48; B21K1/50; C21D9/00; F16B23/00; (IPC1-7): F16B23/00; B21J13/02; B21K1/46; B21K1/48; B21K1/50
Attorney, Agent or Firm:
Takenori Hiroe
Kenichi Uno
Kenichi Uno