| 摘要 |
An anti-loosening bolt assembly by this invention has: a setscrew, which has a screw thread on its outer periphery; and a lock bolt, which has a screw thread having the same pitch as the screw thread of the setscrew, and an axial end of which is engaged with an axial base of the setscrew; wherein either said axial base of the setscrew or said axial end of the lock bolt has a conical protrusion part; the other has a first concave part, with which said protrusion part is engaged; and an outer peripheral surface of said protrusion part and an inner peripheral surface of the first concave part are slightly eccentric. |
