发明名称 Trailer ramp mechanism
摘要 A mechanism is provided for attachment to a pivotable ramp of a trailer to assist in the manual lifting and lowering of the ramp. The mechanism allows the tension of a pair of coil springs positioned on a guide rod to be adjusted and a slotted spring stop permits lateral positioning of the ramp to accommodate various wheel bases of the equipment to be loaded.
申请公布号 US5598595(A) 申请公布日期 1997.02.04
申请号 US19950553994 申请日期 1995.11.06
申请人 FLINCHUM, HAROLD C. 发明人 FLINCHUM, HAROLD C.
分类号 B60P1/43;(IPC1-7):B65G69/28;B62D33/03 主分类号 B60P1/43
代理机构 代理人
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