PROBLEM TO BE SOLVED: To provide a ridge plastering machine having improved longitudinal balance of a traveling body and a working machine in traveling and performing the ridge plastering work in high accuracy.SOLUTION: The ridge plastering machine is provided with: a mounting part 5 to be mounted to the traveling body 90 an offset mechanism part 10 laterally movable from the mounting part 5 a working part 20 having a pretreating member 21 and a ridge shaping member 40 horizontally rotatable around a rotation support point O formed at a moving end side of the offset mechanism part 10 and a power transmission mechanism part 50 to rotate the pretreating member 21 and the ridge shaping member 40 with power transmitted from the traveling body 90. The pretreating member 21 is provided with a rotary shaft 23 and tilling tines 24 radially attached to the rotary shaft 23, the rotation support point O is formed on a rotary center axis of the ridge shaping member 40 by planar view, and the angle between the rotary center axis of the ridge shaping member 40 and the attaching direction of the tilling tine 24 of the pretreating member 21 is an acute angle by planar view.COPYRIGHT: (C)2012,JPO&INPIT【課題】移動時における走行機体と作業機との前後バランスを向上させ、精度の良い畦塗り整形作業を行える畦塗り作業機を提供すること。【解決手段】走行機体90に装着される装着部5と、装着部5から左右方向に移動可能なオフセット機構部10と、オフセット機構部10の移動端側に設けられた回動支点Oを中心として、水平方向に回動可能に配設された前処理体21及び整畦体40を有する作業部20と、走行機体90から伝達される動力によって前処理体21及び整畦体40を回転駆動させる動力伝達機構部50とを備えてなる畦塗り作業機において、前処理体21は回転軸23と回転軸23に放射状に取付られる耕耘爪24とを備え、回動支点Oは平面視において整畦体40の回転中心軸上に設けられ、平面視において、整畦体40の回転中心軸の方向と前処理体21における耕耘爪24の取付方向との成す角度が鋭角となるように配置されていること。【選択図】図4
