Material or article handling – Self-loading or unloading vehicles – Conveyor
Patent
1996-06-03
1997-10-14
Bucci, David A.
Material or article handling
Self-loading or unloading vehicles
Conveyor
14 695, 414921, B60P 143
Patent
active
056765150
ABSTRACT:
A low-floor-vehicle ramp has a slideway (13) attached to a bottom side of a vehicle floor (2) proximate a door sill, a boarding-ramp assembly (1) hinged to a ramp-control plate (14) that slides on parallel slideways (22, 23, 59, 60, 68) as actuated horizontally by motorized bidirectional actuation of a ramp-slide actuator (16, 56) that is affixed to the vehicle (3) and has a horizontally actuating member (17, 58) attached to the ramp-control plate. A floor-access plate (9) forms an access bridge between the boarding-ramp assembly and the vehicle floor. Foldable side barriers (7, 8) on outside edges of the boarding-ramp assembly spring to an upright mode automatically in extended mode. A ramp switch (10) is operated by a driver of the vehicle. Tool-operative backup gearing (19) is provided for operation with various types of hand-operative or motor-operative tools (20, 21) in event of failure of the ramp-slide actuator.
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Bucci David A.
Johnson Merrill N.
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