Conveyors: power-driven – Conveyor having impinging fluid to feed – shift or discharge... – Having cleaning means
Patent
1985-03-19
1987-05-12
Spar, Robert J.
Conveyors: power-driven
Conveyor having impinging fluid to feed, shift or discharge...
Having cleaning means
B65G 4500
Patent
active
046642501
ABSTRACT:
A scraper device for conveyor belts, having a scraper which extends in the direction of the width of the conveyor belt and is seated on arms which extend in the longitudinal direction of the conveyor belt and are adjustable with respect to the bottom of the conveyor belt, each arm being formed by a package of leaf springs of different length, arranged in the form of fish scales one above the other, the longest of which leaf springs, which faces the conveyor belt, bearing at its end region the holding bracket for the scraper and extending, together with the remaining leaf springs, from a support (20) which is swung by rotation of a shaft (22). In order to obtain a rapid adjustment of the application pressure, a spring (31) which urges the support (20) in the application direction of swing is arranged between the shaft (22) which is provided with a graduated-scale (38) and the support (20) which is turnable relative to the shaft (22).
REFERENCES:
patent: 3674131 (1972-07-01), Matson
patent: 4359150 (1982-11-01), Bowman et al.
Farber Martin A.
Kimms Lyle
Spar Robert J.
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