| 摘要 |
PROBLEM TO BE SOLVED: To suppress a radial load to be imposed on a second pin member for supporting an output member from being imposed on a first pin member constituting an inner tooth of an inner tooth gear.SOLUTION: A reduction gear comprises an inner tooth gear 84 and an output member (Om1) supported by a casing 86 via a bearing 96, where the inner tooth gear 84 is constituted of an inner tooth pin (first pin member) 84C arranged in a pin groove 84B which is formed in the casing 86; the bearing 96 is constituted of a bearing pin (second pin member) 96P arranged in the pin groove 84B of the casing 86; and an outside diameter d3 of the bearing pin 96P is formed larger than an outside diameter d1 of the inner tooth pin 84C. |
