Conveyors: power-driven – Conveying apparatus entirely supported by mobile ground... – Retractable ground wheel
Patent
1994-08-11
1996-05-14
Bidwell, James R.
Conveyors: power-driven
Conveying apparatus entirely supported by mobile ground...
Retractable ground wheel
198306, B65G 4100
Patent
active
055159613
ABSTRACT:
A portable radial stacker having improved stability during radial travel and operation and improved highway transport characteristics is disclosed. Existing material handling conveyor components may be retrofitted to embody the invention. The invention enables operators to transport portable radial stackers over public highways in most states without the requirement of using an escort because the maximum overall width in the transport configuration is 11 feet-6 inches. In addition, the width extends to more than 22 feet when configured for stacking operation and radial travel which provides greater stability than previous conveyors. Hydraulic fold-down outriggers convert the system between the transport configuration and the stacking configuration in only a few minutes which affords a great savings in time and labor. Transport wheels are equipped with air brakes and the radial travel wheels can be fitted with hydraulically actuated direct drive. Other safety features include check valves on all hydraulic cylinders, tandem axle, dual wheels on each axle configured on a walking beam. Radial movement is accomplished using underslung rocking spindle, dual flotation radial travel wheel and tire assemblies; operator controls for all hydraulic functions are provided at a single location.
REFERENCES:
patent: 3552546 (1971-01-01), Rath
patent: 4135614 (1979-01-01), Penterman
patent: 4171040 (1979-10-01), Nickol
patent: 4427104 (1984-01-01), Reid, Jr.
patent: 4800962 (1989-01-01), Murray
patent: 4813839 (1989-03-01), Compton
Murphy Richard B.
Schmidgall Paul
Bidwell James R.
Jennings Larry M.
Superior Industries, Inc.
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