REDUCTION GEAR MECHANISM, AND JOINT DEVICE FOR ROBOT

摘要

PROBLEM TO BE SOLVED: To provide a reduction gear mechanism enabled to be miniaturized and capable of achieving a high output.

SOLUTION: This reduction gear mechanism includes an input member 40 and an output member 50. The input member 40 rocks around a first center of rotation O1. The input member 40 has an output section 40b. The output section 40b is provided at a position separated from the first center of rotation O1 at a predetermined distance d1. The output member 50 rocks around a second center of rotation O2 in response to the rocking of the input member 40. The second center of rotation O2 is arranged at a position separated from the first center of rotation O1 at a predetermined interval. The output member 50 has an engagement part 50b. The engagement part 50b is a part, with which the output part 40b of the input member 40 is to be engaged.

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