Title:
BOLT FASTENING FORCE DETECTING SEAT
Document Type and Number:
Japanese Patent JP2004232847
Kind Code:
A
Abstract:
To provide a unit having a function to regulate the bolt fastening force and to increase the fatigue life of the bolt.
This detecting seat is composed of a washer 1, a strike plate 2, an elastic body 3 and a ring 4. The deflection of the elastic body 4 by the fastening force is detected based on the presence or absence of the rotation of the ring 4 to regulate the fastening force, and a spring constant of the ring 4 is less than a spring constant of the bolt 5.
Inventors:
YAMAZAKI ISAMU
Application Number:
JP2003057831A
Publication Date:
August 19, 2004
Filing Date:
January 28, 2003
Export Citation:
Assignee:
YAMAZAKI ISAMU
International Classes:
F16B31/02; (IPC1-7): F16B31/02