| 摘要 |
PROBLEM TO BE SOLVED: To increase a degree of freedom in setting dimension of constituent parts of a Coriolis movement gear device. SOLUTION: A part equivalent to an outer ring of a bearing 8 for supporting a rotary body 3 for an inclined part 1a of an input shaft 1 is constituted as a part 3a of the rotary body 3. An inner ring 8a, a ball 8b, and a spacer 8c which are the other parts of the bearing 8 have similar structures as the bearing which is a separate body. It is possible to reduce the number of part items provided between the inclined part 1a of the input shaft 1 and the rotary body 3 by forming the outer ring of the bearing 8 as the part 3a of the rotary body 3. Consequently, it is possible to increase a degree of freedom in setting dimension of a second gear A2 formed in the rotary body 3, a third gear A3, the input shaft 1, and the inclined part 1a because the outer ring as a single unit is eliminated.
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