发明名称 Trailer hitch
摘要 A trailer hitch embodies simple weight adjustment and trailer side sway control. In addition, up-down motion transmission between the towing vehicle and trailer is dampened; a safety stem and receptacle interconnects the hitch and towing vehicle; a safety latch connects the stem and receptacle; and a retractable safety line is provided for a safety pin that interconnects the stem and receptacle.
申请公布号 US4312516(A) 申请公布日期 1982.01.26
申请号 US19790076066 申请日期 1979.09.17
申请人 OLSEN, GARY E. 发明人 OLSEN, GARY E.
分类号 B60D1/30;B62D53/08;(IPC1-7):B62D53/00 主分类号 B60D1/30
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