Conveyors: power-driven – Conveyor having impinging fluid to feed – shift or discharge... – Having cleaning means
Patent
1975-08-29
1976-11-30
Cherry, Johnny D.
Conveyors: power-driven
Conveyor having impinging fluid to feed, shift or discharge...
Having cleaning means
B65G 4500
Patent
active
039943887
ABSTRACT:
The conveyor belt cleaner serves as a mechanical cleaner for an endless conveyor belt entrained about a pair of drums and includes a plurality of independently operable scraper or wiper blade assemblies for removing from the conveyor belt various types of abrasives and other objectionable foreign material. Each scraper blade assembly includes an elongated arm or lever which is pivotally mounted on a pivot pin of a bracket assembly. The scraper blade is secured to one end of the arm and is located at one side of the pivot pin. An adjustable stop is interposed between the bracket assembly and the arm at the other side of the pivot pin to limit the pivotal movement of the arm in one direction. A compression spring is interposed between the bracket assembly and the arm at said one side of the pivot pin for urging the arm in said one direction to bias the scraper blade, secured to one end of the arm, towards the belt. As the blade wears, the compression spring pivots the arm and continues to bias the blade towards the belt, with the pivoting of the arm being limited by the adjustable stop.
REFERENCES:
patent: 704977 (1902-07-01), Taylor
patent: 928730 (1909-07-01), Bausman
patent: 2305484 (1942-12-01), Merchen
patent: 2398821 (1946-04-01), Davidson
patent: 2794540 (1957-06-01), Sinden
patent: 3082028 (1963-03-01), Werle
patent: 3101837 (1963-08-01), Martin
patent: 3315794 (1967-04-01), Ellington
patent: 3674131 (1972-07-01), Matson
patent: 3795308 (1974-03-01), Oury
Cherry Johnny D.
Material Control, Inc.
Thomson Richard K.
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