Conveyor belt scraper

Conveyors: power-driven – Conveyor having impinging fluid to feed – shift or discharge... – Having cleaning means

Patent

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Details

B65G 4500

Patent

active

044023944

ABSTRACT:
A conveyor belt scraper is used in combination with a conveyor belt and consists of a primary axle, at least one primary actuator arm attached to and extending from the primary axle, a secondary axle which is preferably concentric with the primary axle and is capable of rotational movement with respect thereto, at least one secondary actuator arm attached to the secondary axle and extending outwardly therefrom, a primary scraper extending from the primary axle which includes a primary blade for engaging a belt, a secondary scraper extending from the secondary axle and including a secondary scraper blade for engaging a belt, an air cylinder attached to and extending between the primary and secondary tension arms, and a mounting bracket for mounting the primary and secondary axles to a support. The air cylinder urges the primary and secondary actuator arms apart which causes the primary axle and scraper to rotate counter to the secondary axle and scraper, thereby urging the primary and secondary scrapers toward each other and against a portion of a conveyor belt.

REFERENCES:
patent: 1875442 (1932-09-01), Greg
patent: 2227776 (1941-01-01), Anderson
patent: 2393724 (1946-01-01), Vickers
patent: 3504786 (1970-04-01), Matson
patent: 3722667 (1973-03-01), Olson
patent: 3999649 (1976-12-01), Andersson
patent: 4189046 (1980-02-01), Ward et al.
Catalog No. C-218, "Conveyor Components," Conveyor Components Company, pp. 10-11, 1970.
"Gordon Belt Scrapers," Mine Equipment Manufacturing Co.
"The Dick-Gimbal Conveyor Belt Cleaner," R. J. Dick, Inc.
Form No. 2829-178, "New Martin Trac-Mount System for Belt Cleaners," Martin Engineering Company, 1977.
Form No. 2732-178, "Martin Heavy Duty Conveyor Belt Cleaner Systems," Martin Engineering Company, 1977.
Bulletin 33-A, "Model 33 Coil Spring Type Conveyor Belt Cleaner," Material Control, Inc., 1975.
Bulletin MC-430, "New Model 76 Rubber Wiper Blade Type Conveyor Belt Cleaner," Material Control, Inc., 1974.
"Trellex Belt Scrapers," Trelleborg Inc.
"Tip Top Belt Cleaning Systems," Tip Top Stahlgruber.
Form No. 7032, "Now: A Better Way to Clean Conveyor Belts," Plastic Techniques Inc.
"Flex-o-Disc Conveyor Belt Scraper," Asgco Manufacturing.
Bulletin SV-568, "Schaefer S-Veco Conveyor Belt Cleaner," Schaefer Brush Mfg. Co., Inc.
Bulletin 99-C, "Model 99 Brush Type Conveyor Belt Cleaner," Material Control, Inc., 1977.
"Vibratory Belt Cleaner," Vibco.
"Cottrell Belt Cleaner Installation Instructions," Cottrell.

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