Harpoon type conveyor control system

Details Harpoon type conveyor control system Harpoon type conveyor control system

1978-05-25

1980-04-29

Valenza, Joseph E.

Conveyors: power-driven

Conveyor section

Pusher conveyor and separate load support surface

198749, 198856, B65G 2500

Patent

active

042001854

ABSTRACT:
In a reciprocating harpoon-type conveyor operated by a hydraulic circuit, a control system for the conveyor which includes pressure sensitive switches in the hydraulic circuit operated in response to increases in hydraulic pressure indicative of stoppage of the conveyor. The control system is responsive to operation of pressure switches to reverse the conveyor and to sense whether the conveyor is jammed, whether the jam is cleared, and if not, terminates operation of the conveyor.

REFERENCES:
patent: 2550723 (1951-05-01), Ross
patent: 3701414 (1972-10-01), Mayer et al.
patent: 3882997 (1975-05-01), Dudley

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