ANTI-LOOSENING STRUCTURE, ANTI-LOOSENING JIG, AND METHOD FOR MANUFACTURING ANTI-LOOSENING STRUCTURE

摘要

PROBLEM TO BE SOLVED: To exert an inexpensive and high anti-loosening function in a fastener by providing a bolt and a nut.;SOLUTION: An anti-loosening structure 100 for preventing loosening in a fastened state in a fastener 7 including a bolt 1 having a through hole extending in a radial direction and a nut 2 to be engaged with the bolt 1 includes an anti-loosening member 3 having two projection parts 31, 32 inserted through the through hole 12 of the bolt 1 to project from each opening of the through hole 12. In the anti-loosening member 3, the two projection parts 31, 32 are wound around the peripheral surface of the nut 2, or the two projection parts 31, 32 are wound around the peripheral surface of a tip of the bolt 1 extending from the nut 2.;SELECTED DRAWING: Figure 2;COPYRIGHT: (C)2019,JPO&INPIT