Sifter stroke screen

Details Sifter stroke screen Sifter stroke screen

1980-06-16

1981-09-01

Hill, Ralph J.

Classifying, separating, and assorting solids

Sifting

Plane sifters

2093665, 74 61, 198762, 198770, B07B 142

Patent

active

042870569

ABSTRACT:
The invention relates to a flat stroke sifter screen having a vibratory excitor mounted at the inlet end and drive springs at the outlet end with a counterbalancing member having a tuning plate and stabilizers for the counterbalance, whereby the lateral vibratory action of the sifter is in the form of an elliptical motion adjacent the inlet end and a substantially straight back and forth, or axial motion is obtained adjacent the discharge end.

REFERENCES:
patent: 1141660 (1915-06-01), Simpson
patent: 2358876 (1944-09-01), Overstrom
patent: 3251457 (1966-05-01), Dumbaugh
patent: 3314539 (1967-04-01), Hitchman

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