Conveyors: power-driven – Conveying system having plural power-driven conveying sections – Forming a single conveying path
Patent
1975-12-19
1978-01-03
Spar, Robert J.
Conveyors: power-driven
Conveying system having plural power-driven conveying sections
Forming a single conveying path
198575, 198611, 214 17DA, 222228, 64 15C, B65G 4718
Patent
active
040661644
ABSTRACT:
Apparatus for discharging granular material from a bulk container tapering at its bottom, including a conveyor and a discharge chamber at the bottom of the bulk container. The discharge chamber includes an impeller rotated by a vertical shaft extending through the bottom of the chamber, and a traveler shaft connected at one end to the vertical shaft, by a coil spring knuckle-joint, and carrying at its other end a contactor which rides on the inner surface of the tapering bottom, the shaft being provided with projecting cross pins to move in the material and break up agglomerations and bridges. Power means are provided for driving the vertical shaft and the conveyor, either separately or serially, and the opening between the chamber and the conveyor is adjustable to vary the flow of material. The conveyor comprises a plurality of flights secured to an endless cable, which moves for at least a part of its travel through a tube leading from the discharge chamber to an area of discharge for the material.
REFERENCES:
patent: 509488 (1893-11-01), Potter
patent: 1150483 (1915-08-01), Barber
patent: 2233085 (1941-02-01), Schweickart
patent: 2595941 (1952-05-01), Hapman
patent: 3067914 (1962-12-01), Ellaby
patent: 3088606 (1963-05-01), Schaefer
patent: 3138300 (1964-06-01), Rintala
patent: 3272400 (1966-09-01), Van Huis
patent: 3339759 (1967-09-01), Wellons
patent: 3555997 (1971-01-01), VAN DER Lely
Spar Robert J.
Williams Lawrence E.
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