| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a rotary working implement in which the soil thickness of tilled soil can be made constant for undulation formed in the forward direction of a field. <P>SOLUTION: There is provided the rotary working implement including: a tine shaft 14 rotating by driving force from an engine of a tractor; a plurality of tillage tines 15 protrusively provided toward the outside in the radial direction of the tine shaft 14; a rotary cover 16 covering the tillage tines 15 from above; and a rear cover 17 turnably mounted in a vertical direction at the rear end of the rotary cover 16. Furthermore, a pair of side ribs 17A are provided so as to mutually oppose on both sides at the lower end of the rear cover 17, and a slot LH is formed in each of the side ribs 17A. A bolt BT1 is loosely fitted to the slots LH, respectively. A land grading leveler 18 is turnably supported in a vertical direction with the pair of bolts BT1, and the range of turning of the land grading leveler 18 is regulated with the sloths LH. <P>COPYRIGHT: (C)2012,JPO&INPIT |
