Material or article handling – Load-transporting type vehicle and external means... – Of driven type – for unloading a wheeled vehicle
Patent
1991-07-25
1993-01-05
Huppert, Michael S.
Material or article handling
Load-transporting type vehicle and external means...
Of driven type, for unloading a wheeled vehicle
414688, 414689, 414690, E02F 336
Patent
active
051764857
ABSTRACT:
A freight manipulator includes a mobile chassis positioned on a pair of guide tracks and have an articulated cantilever boom extending forwardly thereof. A tool carriage is mounted at the end of the boom and has a pair of freight engaging tools thereon for engaging freight articles. The boom is connected to a two-axis gimbals at the rear of the chassis which allows swinging of the boom about a vertical axis and tilting of the boom about a horizontal tilt axis to increase the positioning range of the freight engaging tools. A boom bearing assembly at the front of the chassis supports the boom on the chassis during movement thereof. A pair of swing cylinders are connected to the chassis and have a chain connecting the ends of their rams to the bearing assembly. The swing cylinders work in opposition to swing the boom. A pair of boom tilt cylinders are connected between the bearing assembly and the boom and operate in unison to tilt the boom.
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Standard Lift Truck w/Versalift action, Standard Mfr Co.
Hartley, John; "Specialisation is the Watchword on Tokyo Robot Show Stands"; The Engineer; Nov. 3, 1977; pp. 65-67.
Haney Ronald J.
Payne L. Bruce
Ruder Carl J.
Huppert Michael S.
Katz Robert S.
Yellow Freight System, Inc.
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