Nut falling off prevention functional equipped volt/bolt

摘要

(57) Abstract Objective Bracing the lock nut, in home position the anchorThe me, loosening volt/bolt in this state, falling off and the thread of the nutThe volt/bolt where damage does not happen is offered. Constitution In Tip of volt/bolt 11 major diameter lock nut 14The thread absent section 13 which is smaller than inside diameter and spring bearing 15Providing, installing spring 16 in rim of thread absent section 13It does. As for the lock nut 14 which it loosens too much in spring 16Because it hits, there are no times when it falls off. In addition, thread absent section 1As for length of 3, at the time of most compression of spring 16 length and rotsukunaBecause it is enlarged than the total value of height of tsuto 14, looseningIt passes, with the case lock nut 14 the screw of thread part 12It comes off from the mountain, the empty turns at this position. Therefore, threadEither damage does not happen.