| 摘要 |
<P>PROBLEM TO BE SOLVED: To prevent a slip of a flexible external gear and an outer ring of a wave bearing in a wave gear speed reducer used for a drive mechanism of a robot arm. Ž<P>SOLUTION: A groove 21 is formed on the outer circumference surface of the flexible outer ring 15. A slip prevention member 22 including a connecting piece 22a fixed on the attachment part 7 of the external gear main part 6, a flexible piece 22b bent perpendicular to the connection piece 22a, and an engagement piece 22c formed at the tip of the flexible piece 22b is disposed inside the external gear main part 6 of a flexible external gear 5. A tip of the engagement piece 22c is inserted in the groove 21 of the flexible outer ring 15. Thus, the flexible external gear 5 and the flexible outer ring 15 are integrated by the slip prevention member 22, preventing slip. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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