Conveyors: power-driven – Conveying system having plural power-driven conveying sections – Recycling load in a closed path
Patent
1979-01-22
1980-10-28
Valenza, Joseph E.
Conveyors: power-driven
Conveying system having plural power-driven conveying sections
Recycling load in a closed path
198494, 198816, B65G 3700
Patent
active
042302226
ABSTRACT:
A conveyor assembly for moving particulate material such as grain on a conveyor belt. The conveyor assembly includes a tail section, one or more intermediate sections according to the needed length, and a head section. The head section contains a powered drive pulley. The tail section contains a tail pulley. An endless conveyor belt is trained between the tail pulley and the drive pulley. Each intermediate section carries at least one roller for carrying the forward run of the conveyor belt. The intermediate section rollers have a contoured, concave surface to support the conveyor belt with a dish-shaped or concave profile such that material is held on the conveyor belt and inhibited from spilling over the sides. The tail pulley is mounted in a tail pulley shroud having a funnel-shaped outlet directed toward the forward run of the conveyor belt. The tail pulley has paddles which are operative to sweep up spilled material in the tail sections and move it around the shroud housing through the outlet to discharge it back onto the forward run of the conveyor belt. The longitudinal position of the tail pulley is adjustable in order to set the tension in the conveyor belt.
REFERENCES:
patent: 857370 (1907-06-01), Waechter
patent: 1659316 (1928-02-01), Enney
patent: 2488671 (1949-11-01), Lehman
patent: 2886169 (1959-05-01), Calder
patent: 3055229 (1962-09-01), Mecham
patent: 3581878 (1971-06-01), Jacobson
patent: 3809211 (1974-05-01), Padilla
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