| 摘要 |
PROBLEM TO BE SOLVED: To secure accuracy for the operation of a stopper by making the other stopper higher in height while being directed to the direction toward which one stopper part can easily slip. SOLUTION: When downward load P is applied from above, one mounting part 1 is lowered down so as to allow an elastic body 5 to be elastically deformed, and when one stopper part 7 abuts against the other stopper part 8, relative displacement between one mounting part 1 and the other mounting part 3 is thereby suspended, and it is thereby suspended that the elastic body 5 between both the mounting parts 1 and 3 is furthermore elastically deformed. Besides when greater load is obliquely applied, and when both the stopper parts 7 and 8 abut against each other, the abutting surface 7a of one stopper part 7 comparatively high in height is tried to slip toward the outer circumferential direction with respect to the abutting surface 8a of the other stopper part 8, since the outer circumferential surface of the other stopper part 8 is higher in height than its inner circumferential surface, and supports one stopper part 7, one stopper part 7 is prevented from slipping, and occurrence of falling down can thereby be prevented. |
