发明名称 Drawn agricultural machine
摘要 A drawn agricultural machine comprising a carrier frame for carrying processing members, the carrier frame supportable on the ground, at least during transport, by means of a wheel set comprising at least a wheel, a coupling frame for coupling the agricultural machine 1 to the three-point suspension of a tractor, the coupling frame comprising two lower coupling points and an upper coupling point and the coupling frame being rotatable about a vertical axis of rotation relative to the carrier frame. The machine also comprises a drawing element for exerting a force on the coupling frame, wherein the coupling frame, the carrier frame and the drawing element are interconnected in such a manner that a downward force component is exerted on the lower coupling points when the drawing element exerts a force on the coupling frame.
申请公布号 US8646798(B2) 申请公布日期 2014.02.11
申请号 US20080741239 申请日期 2008.09.25
申请人 VAN DEN ENGEL ALFONSUS JACOBUS;VAN HEMERT NORBERT;LELY PATENT N.V. 发明人 VAN DEN ENGEL ALFONSUS JACOBUS;VAN HEMERT NORBERT
分类号 A01B49/00;B60P1/02 主分类号 A01B49/00
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