SHAFT CENTER POSITION ADJUSTMENT MECHANISM AND SHAFT DEVICE

To provide a shaft center position adjustment mechanism that can obtain excellent workability.SOLUTION: A shaft center position adjustment mechanism adjusts a shaft center position of a shaft, and comprises: a first eccentric bushing 32 arranged on an outer peripheral side of the shaft, and eccentric from a shaft center of the shaft; a second eccentric bushing 34 arranged on the outer peripheral side of the first eccentric bushing 32, and eccentric from a bushing center of the first eccentric bushing 32; an external gear 36 integrated with the first eccentric bushing 32; an internal gear 38 integrated with the second eccentric bushing 34; and an adjusting shaft 40A provided with a first pinion 56 engaged with the external gear 36, and a second pinion 58 engaged with the internal gear 38.SELECTED DRAWING: Figure 2 【課題】良好な作業性を得られる軸心位置調整機構を提供する。【解決手段】軸の軸心位置を調整する軸心位置調整機構であって、軸の外周側に配置され、軸の軸心から偏心した第１偏心ブッシュ３２と、第１偏心ブッシュ３２の外周側に配置され、第１偏心ブッシュ３２のブッシュ中心から偏心した第２偏心ブッシュ３４と、第１偏心ブッシュ３２と一体化された外歯歯車３６と、第２偏心ブッシュ３４と一体化された内歯歯車３８と、外歯歯車３６と噛み合う第１ピニオン５６と、内歯歯車３８と噛み合う第２ピニオン５８とが設けられた調整軸４０Ａと、を備える軸心位置調整機構。【選択図】図２