| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a trench opening device securely draining water accumulated on the surface of soil in a field. Ž<P>SOLUTION: A subsoiler 16 is connected to the rear of a towing vehicle 1 through a link mechanism 15 and a dish-like disk 34 is installed at the rear of the subsoiler 16 so that the direction of the disk 34 relative to the advancing direction can be changed and adjusted. The direction of the disk 34 can be changed and adjusted by an actuator 42 such as a hydraulic cylinder or an electric cylinder, etc. Also, a plurality of trench opening units U formed of the subsoilers 16 and the disks 34 are installed in the lateral direction. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
|
