| 发明名称 |
DITCHER |
| 摘要 |
DITCHER of the Invention A rotary ditcher has a flywheel type rotor carrying impeller blades that pick up and throw soil to the side of the rotor as the rotor is advanced into a body of soil in the direction of its axis of rotation. In advance of the rotor are two ripper blades that loosen the soil to be picked up and discharged by the rotor.
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| 申请公布号 |
CA2018274(A1) |
申请公布日期 |
1991.12.05 |
| 申请号 |
CA19902018274 |
申请日期 |
1990.06.05 |
| 申请人 |
ROTARY DITCHERS LTD. |
发明人 |
NADEAU, GILBERT M.;NICOLAJSEN, JEFF P.;NICOLAJSEN, RUSSEL P. |
| 分类号 |
A01B13/02;E02F3/18;E02F3/20;E02F5/02;E02F5/08;E02F5/32;E02F7/00;(IPC1-7):E02F5/02 |
主分类号 |
A01B13/02 |
| 代理机构 |
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