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Title:
HIGH STRENGTH BOLT AND FASTENING METHOD OF MEMBER USING THIS BOLT
Document Type and Number:
Japanese Patent JP2002266829
Kind Code:
A
Abstract:

To provide a high strength bolt capable of solving the conventional difficulty of manufacture because of high deformation resistance in molding, and a member using this bolt.

This bolt comprises a locking means for a nut 4 such as modified screw thread or the like provided on at least one of the male thread of a bolt shank 3 and the female thread of the nut 4, and a bolt head 2 formed by screwing the nut 4 to one end of the bolt shank 3. The bolt shank 3 of the bolt is inserted to the bolt insert hole 12 of a first member 11 and screwed until a bolt shank tip 15 is landed to the bottom 16 of a female thread hole and stopped to rotate, the bolt head 2 is torque-rotated and separated from the locking part, and a bolt head seat surface 17 is then firmly seated on the first member 11, whereby the first member 11 is firmly fastened to a second member 13.


Inventors:
KONDO SHINICHI
OZAWA JUNZO
MIZUNO MASATAKA
AOYAMA KAZUTAKA
Application Number:
JP2001000069744
Publication Date:
September 18, 2002
Filing Date:
March 13, 2001
Export Citation:
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Assignee:
AOYAMA SEISAKUSHO
International Classes:
F16B5/02; F16B31/02; F16B33/02; F16B35/00; F16B35/04; F16B35/06; F16B39/30; F16B39/34; F16B9/02; (IPC1-7): F16B33/02; F16B5/02; F16B31/02; F16B35/00; F16B35/04; F16B35/06
Attorney, Agent or Firm:
Tatsuo Watanuki (2 outside)