Conveyors: power-driven – Conveying apparatus entirely supported by mobile ground... – Condition responsive control means for vehicle or conveyor
Patent
1978-12-07
1981-02-03
Rowland, James L.
Conveyors: power-driven
Conveying apparatus entirely supported by mobile ground...
Condition responsive control means for vehicle or conveyor
198505, 198507, 198520, 198836, B65G 6506
Patent
active
042483379
ABSTRACT:
An endless scraper chain carried by a bridge is provided with spaced scraper flights. The scraper chain is driven so as to move its lower course toward one end to thereby move bulk material to a roller bed extending under that one end. The roller bed is connected to the bridge to move therewith. An endless conveyor belt is supported on the roller bed and extends transversely of the bridge and has an upper course which extends under the one end of the scraper chain to receive the bulk material from the scraper chain. A conveyor type weigher is adapted to indicate the weight of bulk material lying on the upper course of the conveyor belt in a predetermined area thereof. Mutually opposite confining walls are disposed on opposite sides of said lower course of said scraper chain, and are mounted to the bridge to permit vertical movement of said confining walls.
REFERENCES:
patent: 2637434 (1953-05-01), Harper
patent: 3108700 (1963-10-01), Swindells et al.
patent: 3139217 (1964-06-01), Mell
patent: 4120408 (1978-10-01), Gehring et al.
Pohlig-Heckel-Bleichert Vereinigte Maschinenfabriken
Rowland James L.
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