Title:
AXIAL FORCE CONTROL BOLT AND ITS TIGHTENING METHOD
Document Type and Number:
Japanese Patent JP2004156691
Kind Code:
A
Abstract:
To carry out highly accurate bolt axial force control by simple operation.
A bolt head 2 is configured by the inside diameter part 5 connected with a bolt shaft part 3 and the outside diameter part 6 provided to the outside. A contact surface 8 with a bolt tightened member 7 of the outside diameter part 6 is formed so as to protrude to the side of the bolt shaft part 3 from the contact surface 11 with the bolt tightened member 7 of the inside diameter part 5. The outside diameter part 6 and the inside diameter part 5 are elastically connected along the bolt axial direction by a connecting part 12 for mutually movably connecting each other.
Inventors:
MATSUNO ITARU
Application Number:
JP2002322304A
Publication Date:
June 03, 2004
Filing Date:
November 06, 2002
Export Citation:
Assignee:
ISUZU MOTORS LTD
International Classes:
F16B31/02; F16B35/00; (IPC1-7): F16B31/02; F16B35/00
Attorney, Agent or Firm:
Nobuo Kinutani
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