Vibrating screen

Classifying – separating – and assorting solids – Sifting – Plane sifters

Reexamination Certificate

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Details

C209S311000, C209S405000, C209S346000

Reexamination Certificate

active

06953121

ABSTRACT:
A vibrating screen assembly supported by springs is provided which is used to size separate rock and other material. The present invention includes increasing the natural frequency of the screen assembly by stiffening the individual screen decks of the screen assembly, to enable the screen assembly to operate at higher operating speeds without prematurely failing.

REFERENCES:
patent: 4381235 (1983-04-01), Mallaghan
patent: 5851393 (1998-12-01), Carr et al.

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