发明名称 Ball hitch for an implement drawbar of an agricultural vehicle
摘要 A ball hitch is disclosed for connecting a drawbar of an agricultural vehicle to a coupling pin of a trailer. The ball hitch comprises a ball element having a part-spherical outer surface and a cylindrical bore for receiving the coupling pin of the trailer. The socket element is constructed as a sleeve that is removably mountable in the drawbar and has a part-spherical inner surface within which the ball element is received to allow the coupling pin to swivel about mutually orthogonal axes relative to the drawbar.
申请公布号 US6959942(B2) 申请公布日期 2005.11.01
申请号 US20030689772 申请日期 2003.10.21
申请人 CNH AMERICA LLC 发明人 LIPPONS CHRISTIAAN A. C.
分类号 B60D1/02;(IPC1-7):B60D1/06 主分类号 B60D1/02
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