Title:
BOLT
Document Type and Number:
Japanese Patent JP2004044744
Kind Code:
A
Abstract:
To provide a bolt capable of always maintaining appropriate contact of ultrasonic vibrator/receiver with a bolt head and performing precise axial force measurement.
This bolt 1 is provided with a bolt head part 2 and a bolt shaft part 3 and is used for measuring axial force by sticking the ultrasonic vibrator/receiver 30 to the bolt head part 2. The bolt head part 2 is formed to maintain an axial direction thickness T of a part to which the ultrasonic vibrator/receiver 30 is stuck larger than that of other part.
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Inventors:
MATSUNO ITARU
Application Number:
JP2002205348A
Publication Date:
February 12, 2004
Filing Date:
July 15, 2002
Export Citation:
Assignee:
ISUZU MOTORS LTD
International Classes:
G01L5/00; F16B31/02; F16B35/00; (IPC1-7): F16B31/02; F16B35/00; G01L5/00
Attorney, Agent or Firm:
Nobuo Kinutani