Disk scraper |
|||||||
| 申请号 | US42187464 | 申请日 | 1964-12-29 | 公开(公告)号 | US3261411A | 公开(公告)日 | 1966-07-19 |
| 申请人 | DEERE & CO; | 发明人 | YOUNGBERG CHARLES H; PETERSON JR WILLARD E; | ||||
| 摘要 | |||||||
| 权利要求 | 8. IN A DISK HARROW HAVING A FRAME AND A ROTATABLE DISK, A DISK SCRAPER BLADE, MEANS MOUNTING SAID DISK SCRAPER ON SAID FRAME FOR ROCKABLE MOVEMENT, SAID DISK SCRAPER BLADE COMPRISING A HOLLOW CONICAL MEMBER HAVING A CHORDAL PORTION REMOVED, THE CENTER OF GRAVITY OF THE DISK SCRAPER BLADE BEING DISPOSED BETWEEN SAID MOUNTING MEANS AND THE CHORD EDGE OF THE BLADE. |
||||||
| 说明书全文 | |||||||
QQ群二维码
意见反馈
意见反馈