| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a plowing depth adjusting mechanism of a rotary tilling device, that is easy in assembling work and can surely prevent unintended up and down movement of a grounding element. <P>SOLUTION: There is provided the plowing depth adjusting mechanism 12 of a rotary tilling device ascending and descending the grounding element by rotating a handle 18 to rotate a screw shaft 13 or a cylinder 16, wherein, a flat surface part S is formed on an outer peripheral surface of a support 32 and the handle 18 is configured to be retainable by supporting an arm member 28 on the handle 18 to contact to the flat surface part S of the support 32. <P>COPYRIGHT: (C)2013,JPO&INPIT |
