PROBLEM TO BE SOLVED: To provide a turning motion power transmission in which no abnormal sound occurs in a half-clutch condition at turning motion.SOLUTION: The turning motion power transmission includes a movable pressing unit 73d provided to a slide member 73 to press a first friction plate 74a or a second friction plate 74b along a support shaft 71, a wet multiplate clutch 74 which acts as a member on a side of a transmission case MC and in which the movable pressing unit 73d and a stationary pressing unit 74d opposed thereto sandwich and press a first friction plate 74a and a second friction plate 74b, and automatic tilt correcting units 40 which face a friction plate nearest to the movable pressing unit 73d or to a friction plate nearest to the stationary pressing unit 74d so as to be freely tiltable to a slide shaft center L1 of the slide member 73 by means of a pressing motion of the movable pressing unit 73d, have annular tilting members 43, 44 arranged with the support shaft 71 as the center, and reside between the movable pressing unit 73d and the friction plate nearest to the movable pressing unit 73d or between the stationary pressing unit 74d and the friction plate nearest to the stationary pressing unit 74d.COPYRIGHT: (C)2012,JPO&INPIT【課題】旋回時の半クラッチ状態において異音が発生しない旋回伝動装置を提供する。【解決手段】スライド部材73に設けられ、第一摩擦板74a又は第二摩擦板74bを支軸71に沿って押圧可能な移動押圧部73dと、ミッションケースMC側の部材であり、移動押圧部73dと対向する静止押圧部74dと、が第一摩擦板74a及び第二摩擦板74bを挟圧するよう構成した湿式多板クラッチ74と、最も移動押圧部73d寄りの摩擦板又は最も静止押圧部74d寄り摩擦板に対して対向配置されて移動押圧部73dの押圧によりスライド部材73のスライド軸芯L1に対して傾動自在であると共に、支軸71を中心として配設された環状の傾動部材43,44を有し、移動押圧部73dと最も移動押圧部73dの側の摩擦板との間、または、静止押圧部74dと最も静止押圧部74dの側の摩擦板との間に介装された自動傾斜修正部40と、を備えた。【選択図】図4
