| 摘要 |
PROBLEM TO BE SOLVED: To provide a rotary tillage machine equipped with a stopper so as not to cause welding strain at a low cost. SOLUTION: This rotary tillage machine 12 is obtained by tightening a stopper 37 for preventing bearings 27 from slipping out of a bearing case 25 together with the bearing case 25 by bearing case mounting bolts 26 in the rotary tillage machine 12 equipped with a rotary tillage tine shaft 18 freely rotatably supported with the bearings 27 housed in the bearing case 25 which is mounted on a chain case 15 with bearing case mounting bolts 26.
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