Material or article handling – Self-loading or unloading vehicles – Conveyor
Patent
1987-04-27
1988-11-01
Valenza, Joseph E.
Material or article handling
Self-loading or unloading vehicles
Conveyor
414529, B60P 152
Patent
active
047815140
ABSTRACT:
Load retention devices for material handling vehicles are inadequate in maintaining load position and inflexible in load transfer operations. First and second blocking devices having elevationally movable gates are mounted adjacent opposite sides of the frame of a material handling vehicle and adjacent a load supporting apparatus. The first and second gates are guided for elevational movement between a first position above the load supporting apparatus at which a load on the load supporting apparatus is blocked from side passing movement and a second position beneath the load supporting apparatus at which the load is free to pass the first and second sides. A first power device is provided for selectively moving the first gate member between the first and second elevational positions and a second power device is provided for selectively moving the second gate between the first and second positions. Due to the flexibility in operation of the first and second blocking devices they are particularly suited for use on automatic guided vehicles.
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Bucci David A.
Hickman Alan J.
Valenza Joseph E.
X Caterpillar Industrial Inc.
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