| 摘要 |
<P>PROBLEM TO BE SOLVED: To simply change over furrowing operation and tilling operation in a walking type power tiller provided with a ridging body (furrower) as an issue. <P>SOLUTION: The walking type power tiller includes: a tillage rear cover (B) installed at the rear end of a tillage upper cover (11) for covering the upper side of tillage tines (10); the tillage rear cover (B) formed of the ridging body (20) in the right and left central part and tillage cover bodies (21) on both the right and left sides of the ridging body (20); and the ridging body (20) and tillage cover bodies (21) each separately rotatably composed with a rotating shaft (30) which is a transverse shaft center provided in the upper part as a fulcrum, composed to connect the tillage cover bodies (21) to the ridging body (20) during tillage operation, release the connection of the tillage cover bodies (21) to the ridging body (20) during ridging operation, and connect the tillage cover bodies (21) on both the right and left sides with a connecting body (22). <P>COPYRIGHT: (C)2012,JPO&INPIT |
