Hardpan Apparatus |
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| 申请号 | US15669131 | 申请日 | 2017-08-04 | 公开(公告)号 | US20180042165A1 | 公开(公告)日 | 2018-02-15 |
| 申请人 | JACK JANZEN; STANLEY JANZEN; | 发明人 | JACK JANZEN; STANLEY JANZEN; | ||||
| 摘要 | An apparatus for breaking up the hardpan subsoil layer of agricultural land has a wheeled frame adapted to connect to a tractor. A roller is rotatably mounted within the frame. A plurality of spike members are attached to the circumferential face of the roller and extend outwardly therefrom beneath the frame for penetrating engagement with the hardpan subsoil layer, to thereby break up the hardpan. | ||||||
| 权利要求 | |||||||
| 说明书全文 | |||||||
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