发明名称 Soil working implement with retractable wheels
摘要 A soil working implement is dragged behind a towing vehicle. The implement includes a hitch part and a soil working part. The soil working part may be pivoted about the hitch part by extending or retracting a longitudinal linkage member interposed between the hitch part and the soil working part. Wheels are mounted on the implement and may be raised and lowered relative to the implement by an operator-actuated mechanism, to thereby permit the soil working part to be raised off of the ground by lowering the wheels to thereby facilitate movement of the implement from one treatment area to another, whereupon the wheels may be raised to permit the soil working part to engage the soil.
申请公布号 US7540331(B1) 申请公布日期 2009.06.02
申请号 US20060484017 申请日期 2006.07.10
申请人 ABSOLUTE INNOVATIONS, INC. 发明人 KEIGLEY KEVIN V.
分类号 A01B49/02 主分类号 A01B49/02
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