Conveyors: power-driven – Conveyor having impinging fluid to feed – shift or discharge... – Having cleaning means
Patent
1993-07-21
1994-08-23
Dayoan, D. Glenn
Conveyors: power-driven
Conveyor having impinging fluid to feed, shift or discharge...
Having cleaning means
152566, B65G 4500
Patent
active
053399471
ABSTRACT:
A device formed by a plurality of metal cores having at the top hard metal scraper bits, in which the cores are parallel to each other but are not in contact with each other. The cores are embedded in a one-piece block of polyurethane, rubber or other elastomeric material, connected to a positioning shaft by a housing pocket, and placed close to a belt conveyor drum. In order to automatically compensate for wear of the scraper bits, the positioning shaft is connected to the conveyor by an elastic suspension and a pair of hinge joints fixed to side brackets placed on a frame. The arrangement for securing the block to the housing pocket causes an upward bending thereof, thus forcing the embedded cores and therefore the scraper bits to be arranged along an imaginary broken line tangent to the block bending.
REFERENCES:
patent: 4105109 (1978-08-01), Schultz
patent: 4344525 (1982-08-01), Bancroft et al.
patent: 4836356 (1989-06-01), Mukai et al.
patent: 4915211 (1990-04-01), Dohmeier
patent: 5213197 (1993-05-01), Mohri
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