| 摘要 |
PCT No. PCT/JP82/00236 Sec. 371 Date Feb. 16, 1984 Sec. 102(e) Date Feb. 16, 1984 PCT Filed Jun. 18, 1982 PCT Pub. No. WO84/00056 PCT Pub. Date Jan. 5, 1984.A reduction gear equipped with a wave generator nearly elliptical in shape, two circular splines with differing numbers of internal teeth, a flex spline which partially meshes with the internal teeth of each of the circular splines and which is deformable in the radial direction and a bearing deformable in the radial direction, which, placed between the wave generator and the flex spline, renders both members relatively slidable, with notches which permit partial deformation of the bearing (6) or the flex spline provided in the wave generator or circular splines at positions corresponding to the balls of the aforementioned bearing, whereby backlash is eliminated and its positive operation is assured.
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