Land leveler |
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| 申请号 | US11746961 | 申请日 | 1961-06-15 | 公开(公告)号 | US3092922A | 公开(公告)日 | 1963-06-11 |
| 申请人 | DEERE & CO; | 发明人 | KNAPP WILLIAM E; TSUCHIYA WILLIAM S; CAYTON DAVID W; | ||||
| 摘要 | |||||||
| 权利要求 | 9. A LAND LEVELER COMPRISING: GENERALLY FORE-AND-AFT EXTENDING MAIN FRAME MEANS, A REAR BOGIE SECTION, MEANS RELEASABLY CONNECTING SAID BOGIE SECTION WITH SAID MAIN FRAME FOR GENERALLY VERTICAL MOVEMENT RELATIVE THERETO, A BLADE CONNECTED WITH SAID MAIN FRAME MEANS FOR GENERALLY VERTICAL MOVEMENT RELATIVE THERETO, MEANS CONNECTING SAID BLADE WITH SAID BOGIE SECTION WHEREBY GENERALLY |
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| 说明书全文 | |||||||
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