Conveyors: power-driven – Conveyor having impinging fluid to feed – shift or discharge... – Having cleaning means
Patent
1977-07-11
1979-04-10
Reeves, Robert B.
Conveyors: power-driven
Conveyor having impinging fluid to feed, shift or discharge...
Having cleaning means
198716, 198735, 198838, B65G 4500
Patent
active
041483928
ABSTRACT:
A closed loop conveyor for viscid material is provided with a plurality of spaced, planar conveying flights within a material conveying conduit. The flights are mounted on an endless transporting chain and are moved from one or more charge stations where material is loaded into the conduit to one or more gravity discharge stations where the material falls out of the conveyor. At the discharge station the planar conveying flights are scraped clean by a rotatable assembly. The assembly preferably comprises a circular plate mounted for rotation in a generally vertical plane adjacent to the conveying path and about a substantially horizontal axis. A number of scraper blades are mounted on the circular plate substantially uniformly, peripherally spaced from one another and extend away from one side of the plate in a generally horizontal direction toward a conveying path defined by movement of the flights. The axis of rotation for the circular plate extends across the general direction of the conveying path and is situated below the discharge station, whereby each of the planar conveying flights periodically engages a scraper blade causing the circular plate to rotate as the scraper blade moves forwardly and upwardly with respect to the surface of the conveying flight thereby scraping the viscid material from the flight.
REFERENCES:
patent: RE22789 (1946-09-01), Brunner
patent: 2811241 (1957-10-01), Bogaty
patent: 3485342 (1969-12-01), Fechter
Larson Charles
Sutton Robert
Van Nocker Melvin
Prab Conveyors, Inc.
Reeves Robert B.
Watts Douglas D.
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