Conveyors: power-driven – Conveyor section – Screw
Patent
1988-08-22
1990-12-11
Valenza, Joseph E.
Conveyors: power-driven
Conveyor section
Screw
B65G 3332
Patent
active
049763415
ABSTRACT:
An auger assembled from a plurality of auger segments each of which includes a central longitudinal hollow hub with a longitudinal extension at each end of the hub. A section of helical flighting winds about the hub extending from the extension at one end of the hub to the extension at the other end. The end portions of the helical flighting are beveled to provide an acute edge and a supplementary obtuse edge of the flighting at each end portion. The auger segments have end-for-end symmetry and a plurality of segments are assembled in an end-to-end relationship about a main drive shaft to comprise the auger. When assembled to form the auger, the beveled end portions of adjacent segments overlap in a matching relationship to create a substantially smooth continuous helical flighting surface over the length of the auger. Similarly, the longitudinal extensions of adjacent augers join to create a substantially continuous outer periphery of the assembled hubs. The auger segments are made of an inert material, such as polyethylene, for use in conveying abrasive and corrosive materials.
REFERENCES:
patent: 843676 (1907-02-01), Gustavsen
patent: 2308075 (1943-01-01), Hahn
patent: 2443288 (1948-06-01), Anderson
patent: 3178210 (1965-04-01), Dickinson
patent: 3187882 (1965-06-01), Smith
patent: 3272317 (1966-09-01), Kelly
patent: 4621968 (1986-11-01), Hutchison
patent: 4666033 (1987-05-01), Reid
Gastineau Cheryl L.
Herink Kent A.
Valenza Joseph E.
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