PROBLEM TO BE SOLVED: To provide a rotary tiller capable of quickly switching the attitude of a ground leveling body 17 and back-filling a groove trace formed by a chain case 8, with the ground leveling body 17 in the rotary tiller 1 with the ground leveling body 17 mounted in a detachable and attitude changeable manner to the lower end of a rear cover 13 covering the rear of tilling tines 10.SOLUTION: The right and left upper parts of a ground leveling body 17 are provided with engaging parts 22, 23, and the right and left lower ends of a rear cover 13 are provided with first locking parts 18, 19 and second locking parts 20, 21 respectively so as to be laterally spaced. The engaging parts of the ground leveling body 17 are mounted to the first or second locking parts of the rear cover 13. The ground leveling body 17 can thereby be mounted in a standard attitude or in a shallow tilling attitude to the lower end of the rear cover 13.COPYRIGHT: (C)2013,JPO&INPIT【課題】耕耘爪10の後方を覆うリヤカバー13の下端部に整地体17を着脱自在、並びに姿勢切換え自在に取付けるロータリ耕耘装置1において、整地体17の姿勢切換えを迅速に行うことができるようにすると共に、チェーンケース8による溝跡を整地体17によって埋め戻すことができるロータリ耕耘装置を提供する【解決手段】整地体17の左右の上部に係合部22,23を設けると共に、リヤカバー13の左右の下端部に左右方向に間隔を隔てて第1の係止部18,19と第2の係止部20,21をそれぞれ設け、整地体17の係合部をリヤカバー13の第1又は第2の係止部に装着することにより、整地体17をリヤカバー13の下端部に標準姿勢又は浅耕姿勢に取付けることができるように構成する。【選択図】 図2
