发明名称 BALLAST ATTACHMENT FOR TRACTOR THREE-POINT HITCH
摘要 A ballast attachment for a tractor three-point hitch includes a cubical, rotational molded polyethylene shell filled with steel reinforced concrete. The front side of the attachment includes a forwardly opening receptacle for receiving a transvers e hitch bar carried by the lower links of a tractor three-point hitch, the rear portion of the receptacle including a semi-cylindrical seat for the hitch bar. The center of gravity o f the attachment causes the lower part of the attachment to tend to pivot about the hitch bar toward the tractor to the point where it engages the lower three-point hitch draft links. A cha in secures the attachment in place.
申请公布号 CA2276869(C) 申请公布日期 2004.11.09
申请号 CA19992276869 申请日期 1999.07.02
申请人 DEERE & COMPANY 发明人 DENBY, JEFFREY GARY;FUZZEN, DANIEL ROBERT
分类号 A01B59/06;B62D49/06;B62D49/08;(IPC1-7):B62D37/00;A01B59/043;E02F9/18 主分类号 A01B59/06
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