Material or article handling – Self-loading or unloading vehicles – With load-receiving portion – or significant section thereof,...
Patent
1991-07-23
1993-08-10
Bollinger, David H.
Material or article handling
Self-loading or unloading vehicles
With load-receiving portion, or significant section thereof,...
414469, 296 571, 296 61, B60P 104
Patent
active
052343081
ABSTRACT:
A vehicle having a hinged bed with a hinge positioned such that a rear bed portion automatically pivots toward the ground in an inclined load/unload position when the vehicle is empty, forming a ramp for loading and unloading. The hinged bed automatically pivots to a horizontal transport position when a front portion of the bed is loaded. The vehicle includes a transport locking mechanism for securing the rear bed portion in its horizontal transport position and a separate load/unload locking mechanism for securing the rear bed portion in its inclined load/unload position. The vehicle includes embodiments comprising hydraulic pistons for converting the vehicle between a ramp-up, transport configuration and a ramp-down, load/unload configuration.
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