WATCH

• Main Author: MISHIMA YOSHIO
• Format: Patent
• Language: English; Japanese
• Published: 19.01.2023
• Subjects: HOROLOGY; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; MECHANICALLY-DRIVEN CLOCKS OR WATCHES; PHYSICS; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS

To provide a watch that can improve operability.SOLUTION: A watch comprises: an adduction ring 20 that has a plurality of teeth 21; a drive crown that has a head 63 and a shank 64; and a drive wheel 65 that is fitted to the teeth 21 and has a hole 65A engageable with and disengageable from the shank 64. The hole 65A has a plurality of convex parts 65a that are arranged periodically at an angle smaller than 90° and project toward the rotation axis of the shank 64.SELECTED DRAWING: Figure 6 【課題】操作性を向上させることが可能な時計を提供する。【解決手段】複数の歯部２１を有する内転リング２０と、頭部６３及び軸部６４を有する駆動りゅうずと、歯部２１と嵌合し、軸部６４と係脱可能な穴部６５Ａを有する駆動車６５と、を備え、穴部６５Ａは、９０°よりも小さい角度で周期的に配置され、軸部６４の回転軸に向かって突出する複数の凸部６５ａを有する。【選択図】図６