Modular tensioned screen surfaces

Details Modular tensioned screen surfaces Modular tensioned screen surfaces

1990-12-14

1992-04-14

Hajec, Donald T.

Classifying, separating, and assorting solids

Sifting

Elements

209405, 209409, B07B 146

Patent

active

051045214

ABSTRACT:
The invention relates to ore screening machines having longitudinal bucker bars 17 spaced transversely across a screen box with transverse rails 1 spaced longitudinally along the screen box and supported on bucker bars. The transverse rails have a tension member 5 embedded therein which is connected to a C-shaped connecting member 6 at each end thereof. The C-shaped connecting members connect with hook members 7 which in turn connect with a clamp 9 which is secured to each side wall 14 of the screen box to apply tension to tension member 5. The bucker bars and transverse bars forming a grid structure to support screen modules 18 seated on the transverse rails 1 to provide a screen mat extending across the screen box.

REFERENCES:
patent: 2235653 (1941-03-01), Soldan
patent: 3970550 (1976-07-01), Fry et al.
patent: 4120784 (1978-10-01), Hassall
patent: 4137157 (1979-01-01), Deister et al.
patent: 4141821 (1979-02-01), Wolff
patent: 4661245 (1987-04-01), Rutherford et al.
patent: 4857176 (1989-08-01), Derrich et al.
patent: 4882044 (1989-11-01), Freissle

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