Sample feed auger structure

Details Sample feed auger structure Sample feed auger structure

1974-05-06

1976-07-06

Spar, Robert J.

Conveyors: power-driven

Conveyor system for arranging or rearranging stream of items

By laterally or vertically moving successive items in...

222413, B65G 3300

Patent

active

039677222

ABSTRACT:
Granular material sample feed structure including a feed auger comprising an elongated rigid hollow cylinder having annular, exterior, axially spaced apart recesses, a plastic sleeve secured on the cylinder as by molding having annular interior portions spaced apart longitudinally thereof within the recesses in the cylinder whereby the plastic sleeve is locked onto the rigid cylinder again axial movement with respect thereto, a flexible, helical auger fin integral with the plastic sleeve progressing axially of the rigid cylinder and tapered toward the outer periphery of the fin, and a rigid trough closely surrounding a portion of the rigid cylinder, plastic sleeve and auger fin over approximately 180 degrees of the auger fin, and a device for rotating the cylinder, plastic sleeve and auger fin connected to the rigid cylinder.

REFERENCES:
patent: 2888128 (1959-05-01), Allen
patent: 3360108 (1967-12-01), Voss
patent: 3705644 (1972-12-01), Kawchitch
patent: 3709357 (1973-01-01), Brown
patent: 3727746 (1973-04-01), Slusher

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