Material or article handling – Load-transporting type vehicle and external means... – Of driven type – for unloading a wheeled vehicle
Patent
1989-01-10
1990-12-25
Valenza, Joseph E.
Material or article handling
Load-transporting type vehicle and external means...
Of driven type, for unloading a wheeled vehicle
414398, 1987741, B65F 900
Patent
active
049798634
ABSTRACT:
Apparatus for transferring a group of unit loads between a shipping dock and a vehicle bed comprises a transfer beam assembly which has a base equipped with wheels engageable with the surfaces of the shipping dock and vehicle bed, has a length greater than that of the vehicle bed, and is movable lengthwise by a reversible drive unit installed on the shipping dock, the movement being defined by guide rails on the shipping dock. Load engaging members mounted on the base of the assembly are vertically movable by inflatable tubes between a raised, load supporting position and a lowered load clearing position. Individual load units are assembled into a load unit group for transfer to a vehicle, or disassembled from a load unit group transferred from a vehicle, by raising and lowering movements of the load engaging members, and by indexing movement of the transfer beam assembly between a normal position and a pickup station adjacent the end of the assembly remote from the vehicle receiving edge of the shipping dock.
REFERENCES:
patent: 3003615 (1959-02-01), Ruppe
patent: 3437219 (1969-04-01), Stevenson, III
patent: 3853230 (1974-12-01), Shultz
patent: 4071137 (1978-01-01), Fink
patent: 4187942 (1980-02-01), Ward
patent: 4684311 (1987-08-01), Wright et al.
Dixon Keith L.
Farley Joseph W.
Valenza Joseph E.
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