Sifter stroke screening unit

Details Sifter stroke screening unit Sifter stroke screening unit

1983-01-28

1985-01-08

Lutter, Frank W.

Classifying, separating, and assorting solids

Sifting

Plane sifters

2093665, 198770, B07B 138

Patent

active

044926294

ABSTRACT:
This invention relates to a flat stroke sifter screen unit having the entire vibratory drive system mounted at the inlet end of the unit including drive springs, input motor (or vibratory excitor) and counterbalance, all located at this end of the screening unit. The outlet end of the unit is free of any bearings, or wheels, or rods, or the like and the entire unit is supported on isolation springs which may be steel coils for a fully free floating mounting.

REFERENCES:
patent: 1611255 (1926-12-01), Sturtevant
patent: 2285678 (1942-06-01), Overstrom et al.
patent: 2874841 (1959-02-01), Peterson
patent: 2958228 (1960-11-01), Carrier et al.
patent: 3095747 (1963-07-01), Morris
patent: 3498456 (1970-03-01), Childs et al.
patent: 4287056 (1981-09-01), Dumbaugh et al.

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