| 摘要 |
<P>PROBLEM TO BE SOLVED: To achieve reduction in number of parts, reduction in size in a radial direction, and simplification of structure. <P>SOLUTION: A drive unit 10 includes: a pair of fixed shafts 12, 14; a rotor 16 having an output shaft 34; a stator 18 disposed radially outside of the rotor 16; a motor housing 20 fixed to one fixed shaft 12 and the stator 18 and rotatably supporting the output shaft 34 through bearings 56, 60; an external gear 22 rotatably supported by an eccentric shaft 36 eccentrically disposed to the output shaft 34, through a bearing 62, and having a plurality of transmission holes 64; a carrier 24 having a plurality of inner pins 66 eccentrically inserted into the plurality of transmission holes 64, and a carrier body 68 supporting the plurality of inner pins 66 and formed integrally with the other fixed shaft 14; a hub 26 rotatable with respect to the pair of fixed shafts 12, 14 by bearings 84, 88; and an internal gear 28 internally meshed with the external gear 22 and fixed to be rotatably integrally with the hub 26. <P>COPYRIGHT: (C)2013,JPO&INPIT |
