Retractable bed for truck

Details Retractable bed for truck Retractable bed for truck

1987-10-19

1990-08-21

Werner, Frank E.

Material or article handling

Self-loading or unloading vehicles

Conveyor

296 371, 224 4244, 414462, B60P 100

Patent

active

049501232

ABSTRACT:
A retractable bed is capable of handling heavy cargoes to an extended length approximately double the retracted length. The retractable bed comprises a fixed frame, a secondary frame, and a top frame. A unique arrangement of rollers engages the various frames. The top frame, which supports the cargo deck, is supported by both the fixed and secondary frames. The invention includes a locking device that is spring loaded to automatically lock the frames in selected locations between the extended and retracted positions. The locking device has a handle that extends to the front of the top frame, where it is conveniently operated by a person.

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patent: 1665642 (1928-04-01), Sankey
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patent: 4303367 (1981-12-01), Bott
patent: 4305695 (1981-12-01), Zachrich
patent: 4573854 (1986-03-01), MacFarland
patent: 4705315 (1987-11-01), Cherry

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