Central system elevator

Details Central system elevator Central system elevator

1981-01-12

1983-07-26

Valenza, Joseph E.

Conveyors: power-driven

Conveying system having plural power-driven conveying sections

Forming a single conveying path

198621, 198625, 198741, B65G 3700

Patent

active

043949002

ABSTRACT:
A conveyor apparatus for moving materials unidirectionally has an elongated, upwardly facing trough with at least one longitudinally extending semicylindrical recess in the bottom thereof. A helical flight is positioned in each such recess and is rotated about its longitudinal axis so as to move said materials along said trough. At least one rigid, elongated push-bar is supported in the trough for reciprocal lengthwise movement longitudinally of the trough. Each push-bar has a plurality of longitudinally spaced barbs and/or plows mounted thereon and shaped to advance said materials unidirectionally where the push-bar is reciprocated. Material retaining elements may also be provided on the walls of the trough to oppose movement of the said material in the opposite direction.

REFERENCES:
patent: 3702128 (1972-11-01), Trotter
patent: 3777880 (1973-12-01), Becker et al.
patent: 3799405 (1974-03-01), Wallace
patent: 3802552 (1974-04-01), Gann
patent: 3828920 (1974-08-01), Becker et al.
patent: 3841908 (1974-10-01), Giersing
patent: 4052311 (1977-10-01), Martin
patent: 4082178 (1978-04-01), Van Nocker
patent: 4130195 (1978-12-01), Becker et al.
patent: 4234074 (1980-11-01), Martin

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