| 摘要 |
PROBLEM TO BE SOLVED: To allow to inspect the loosening of a fastened bolt by the visual observation. SOLUTION: In this confirming structure of the bolt loosening, a through hole 3 is formed at the bolt head 2 of each bolt of two neighboring fastened bolts 1, in a right angle direction of the axial center, a wire 4 is inserted to the two through holes 3, and the wire 4 is locked not to be removed from the through holes 3, in the condition applying tension in the fastening direction of the bolt. And when either one condition that the wire 4 is reptured, a part (a crimp terminal 5) to lock the wire 4 is falled out, or the wire 4 is slipped from the original locking condition, is generated, the loosening of the bolt 1 is inspected by the visual observation.
|
