PROBLEM TO BE SOLVED: To provide a rotary tilling device that does not need a changing work of a plate when a leveling operation is performed.SOLUTION: The rotary tilling device includes: a plate 18 which has flexibility, and in which an upper end is connected to the rear end of a cover 11 of a rotary tilling device 8 swingably up and down a leveling plate 20 which is arranged in the backward of the plate 18 and is connected with the rear end of the cover 11 of the rotary tilling device 8 swingably up and down connecting means 25 and 28 that connect the plate 18 with the rigid leveling plate 20 freely releasably and holding means 14a and 24 which hold the leveling plate 20 in a posture being away from the plate 18 to the backward or the upper side in freely releasably.COPYRIGHT: (C)2013,JPO&INPIT【課題】均平作業を行う際の平板の交換作業を行う必要のないロータリ耕耘装置を提供すること。【解決手段】可撓性を有し、且つその上端部がロータリ耕耘装置8のカバー11の後端部に上下に揺動可能に連結されている平板18と、平板18の後方に配置され、ロータリ耕耘装置8のカバー11の後端部に上下に揺動可能に連結されている硬質の整地板20と、平板18と整地板20とを解除自在に接続する接続手段25,28と、整地板20を平板18から後方又は上方に離れた姿勢に解除自在に保持する保持手段14a,24とを備える。【選択図】図3
