PROBLEM TO BE SOLVED: To provide a rice transplanter surely preventing forgetting of the turning-on and off of a clutch of a grader.SOLUTION: In the rice transplanter with which a planting part 2 is freely liftably and lowerably connected to the rear of a traveling part 1 and which is equipped with the grader 4 relatively freely liftably and lowerably fitted to the field ground surface of a float 29 attached to the planting part 2, the rice transplanter is equipped with a clutch mechanism useful for turning-on and off of the drive of the grader 4 and an operation arm 126 for turning-on and off action of the clutch mechanism, the operation arm 126 is turned on and off in association with the lifting and lowering operation of the lifting and lowering operation lever 48 of the grader 4.COPYRIGHT: (C)2008,JPO&INPIT【課題】整地装置のクラッチの入れ忘れや切り忘れが確実に防止された田植機を提供すること。【解決手段】走行部1の後方に植付部2を昇降自在に連結し、同植付部2が備えるフロート29の圃場接地面に対して相対昇降自在に取付けられた整地装置4を備える田植機において、整地装置4の駆動の入切に用いるクラッチ機構と、クラッチ機構を入切動作させる作動アーム126とを設け、前記整地装置4の昇降操作レバー48の昇降動作に連動して前記作動アーム126を切入動作させるようにした。【選択図】図2
