| 摘要 |
PURPOSE:To have good meshing of a sun gear with a planet gear by making a carrier in both side borne construction and making sturdy the supporting construction for the planet gear. CONSTITUTION:A planet gear 37 meshes with a sun gear 36, a fixed internally cogged gear 24 and a rotating internally cogged gear 34. Therefore, it receives a load of radial direction component, and the whole of carriers 41, 42 receives radial direction component, wherein a planet gear 37 is both side borne by the carriers 41, 42 and carrier bearings 44, 46 and these carriers 41, 42 are consolidated by a space block with each other, so that radial direction displacement will hardly occur. Accordingly squeaking etc. will not be generated at the time of meshing of the gears to contribute to maintaining good meshing performance.
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