| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an operation part structure having a screwed part hardly intermingled by refuse or the like from the outside, having excellent operability such as capability of light and smooth operation, and capable of miniaturizing an external operation member, and a timepiece using the structure. <P>SOLUTION: This operation part structure has a cylindrical member 102 mounted on a body 101, and the external operation member 103 connected to the inside of the body through the inside of the cylindrical member. In the operation part structure constituted so that the external operation member can be screwed with the cylindrical member, the cylindrical member is mounted on the body detachably by rotating operation, and a female screw 102d is formed on the inner surface of the cylindrical member, and the external operation member is provided with a peripheral wall part 103A capable of storing at least a tip part of the cylindrical member, and an inner shaft part 103B inserted into the inside of the cylindrical member, and a male screw 103b screwable with the female screw is formed on the inner shaft part. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
