Classifying – separating – and assorting solids – Sifting – Plane sifters
Patent
1982-04-09
1984-11-13
Lacey, David
Classifying, separating, and assorting solids
Sifting
Plane sifters
209329, 2093665, 209405, 209412, B07B 128
Patent
active
044824556
ABSTRACT:
An apparatus for classifying granular material comprises an outer frame and an inner frame, a screen deck mounted in the inner frame; apparatus suspending the inner frame and deck from the outer frame; resilient apparatus mounting the deck on the inner frame; apparatus for vibrating the at least one screen at the high frequency and in a generally vertical plane and apparatus for applying the lower frequency motion to the inner frame and deck in a generally horizontal plane.
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