| 摘要 |
PROBLEM TO BE SOLVED: To provide a stopper structure for a screw member in which it may be easily manufactured in less-expensive cost.SOLUTION: This invention relates to a stopper structure for a screw member (1) for stopping releasing from each other after a male threaded part (33) formed at the outer wall of a male threaded member (3) that can be resiliently deformed is threadably engaged with a female threaded part (54) formed at the inner peripheral wall of an opening (51) opened at the female threaded member (5). When the male threaded part is threadably engaged with the female threaded part, an annular protrusion (35) receiving an external force from the inner peripheral wall of an annular feeding groove (59) is resiliently deformed and released from the annular feeding groove and enters into an annular fitting groove (57) and the annular protrusion entered into the annular fitting groove is resiliently returned back to abut against a step (58) between the annular fitting groove and the annular feeding groove to perform a stopping action. Since its structure is simple, it can be manufactured in less-expensive cost. |
