Title:
BOLT WITH AXIAL FORCE INDICATION FUNCTION
Document Type and Number:
Japanese Patent JP2015068823
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To solve a problem that it is difficult to know a tightening force (an axial force) of a bolt easily and accurately during tightening or maintenance of the bolt.SOLUTION: An axis is provided inside a bolt to install an enlargement mechanism of a displacement difference using fluid that enlarges the displacement difference between the axis and the bolt during tightening for visual check, thereby enabling a user to know a tightening force (an axial force) of the bolt easily.
Inventors:
SASAGAWA HIROYUKI
CHIBA MASANOBU
CHIBA MASANOBU
Application Number:
JP2013215843A
Publication Date:
April 13, 2015
Filing Date:
September 27, 2013
Export Citation:
Assignee:
CHIBA MASANOBU
SASAGAWA HIROYUKI
SASAGAWA HIROYUKI
International Classes:
G01L5/00; F16B31/02