发明名称 Vehicle ramp system
摘要 A vehicle payload conveyance system located inside the hollow of a vehicle gate which provides ramps which deploy from the hollow by rotation about the axis of a ball slidly engaged in a track to allow the ramps to be positioned for the loading and unloading of a payload into or out of the vehicle, and further provides a line deployed from the hollow of the vehicle gate which can be attached to the payload and adjustably tensioned to facilitate transfer of a payload into or out of the vehicle.
申请公布号 US7771154(B2) 申请公布日期 2010.08.10
申请号 US20070709479 申请日期 2007.02.21
申请人 EHLER BRADLEY DEAN 发明人 EHLER BRADLEY DEAN
分类号 B60P1/43;B60P3/12;B62D33/03;F42B10/00 主分类号 B60P1/43
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