| 摘要 |
PROBLEM TO BE SOLVED: To hardly allow a wheel to move due to vibrations, etc. when performing tillage work from a position in the tillage work to a position in movement.SOLUTION: The walking type tiller includes: an engine 20; an operation handle 40; a tillage device 70 rotating plural claws; and a rolling wheel part 80 installed rollably in a front side of a machine body frame, the posture of the rolling wheel part 80 being switchable between movement and tillage. The rolling wheel part 80 includes: a rolling wheel 81; a support arm 82 rotatably supporting the rolling wheel on one side and rotatably connected to the machine body frame on the other side. The other side of the support arm is fixed with a support arm pin 82a parallel to a rolling shaft of the rolling wheel and includes a long hole 82b on an opposite side to the rolling wheel with the support arm pin as a reference. The machine body frame is fixed with a fixing pin 10a inserted into the long hole and includes a first recess 12a and a second recess 12b, capable of supporting the support arm pin. The support arm pin 82a and the fixing pin 10a are connected by a tension spring member 15. |
