GRADING TOOL COMPATIBLE WITH LIGHT DUTY WORK MACHINE |
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| 申请号 | US15434397 | 申请日 | 2017-02-16 | 公开(公告)号 | US20180230674A1 | 公开(公告)日 | 2018-08-16 |
| 申请人 | ABI Attachments, Inc.; | 发明人 | KEVIN V. Keigley; | ||||
| 摘要 | One exemplary embodiment is a grading tool comprising a frame extending between a hitch and a ground contacting member. A first adjustment mechanism and a lever are coupled with the frame. A suspension assembly including a spring is coupled with the lever. A grading box assembly is coupled with the frame and with the suspension assembly. The spring is compressible to accommodate motion between the lever and the grading box assembly. A second adjustment mechanism is coupled with the frame and the grading box assembly and is adjustable to selectably increase and decrease in length. A fixation member is coupled with the grading box assembly and is selectably coupleable with the frame to fix a first side of the grading box assembly vertically relative to the frame while allowing vertical movement of a second side of the of the grading box assembly relative to the frame. | ||||||
| 权利要求 | |||||||
| 说明书全文 | |||||||
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