Telescopic ramp

This invention relates to ramps for loading and unloading trucks, trailers and vans, specifically to those ramps that pivot and telescope. An articulating, telescopic ramp for mounting on the top surface of the cargo bed of a truck, trailer or van. A base assembly attaches to the cargo bed. A pivoti...

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Bibliographic Details
Main Authors Palmer, Jr., John M, Palmer, III, John M, Martinez, Evelyn C
Format Patent
LanguageEnglish
Published 21.05.2002
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Summary:This invention relates to ramps for loading and unloading trucks, trailers and vans, specifically to those ramps that pivot and telescope. An articulating, telescopic ramp for mounting on the top surface of the cargo bed of a truck, trailer or van. A base assembly attaches to the cargo bed. A pivoting frame is pivotally attached to the base assembly. A telescopic frame is positioned on the pivoting frame so that it travels parallel to it. Lifting cylinders attached to the forward end of the pivoting frame and to the forward end of the base assembly lift the forward end of the pivoting frame thus pivoting it relative to the base assembly. A pulling system consisting of a rod less cylinder and a traveling hub is used for loading and unloading cargo on and off the ramp A modified tailgate allows the ramp to reside and telescope forward and aft under it.