Inner gearing planetary gear structure



【課題】部品点数を減少させると共に組立の手間を簡略化することを可能とし、且つ、差し輪を省略したことによって生ずる新たな問題をも同時に解決する。 【解決手段】外歯歯車116が内歯歯車118の内側で軸方向に複数並べて配置された内接噛合遊星歯車構造において、前記外歯歯車116が、隣接する外歯歯車116と対向する面に、自身と該隣接する外歯歯車との軸方向の位置規制を行い得る凸部180を、円周方向に不連続に有している。 【選択図】図3
PROBLEM TO BE SOLVED: To reduce the number of parts, save labor for assembly, and also solve problems produced by eliminating an insert ring. SOLUTION: In this inner gearing planetary gear structure, a plurality of external gears 116 are disposed on the inside of the internal gear 118 parallel with each other in the axial direction. The external gear 116 comprises, on its surface facing the adjacent external gear 116, a projected part 180 capable of controlling the axial position thereof to the adjacent external gear discontinuously in the circumferential direction. COPYRIGHT: (C)2006,JPO&NCIPI




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