Classifying – separating – and assorting solids – Sifting – Elements
Patent
1993-09-27
1995-10-10
Noland, Kenneth
Classifying, separating, and assorting solids
Sifting
Elements
209320, B07B 154
Patent
active
054563640
ABSTRACT:
A powered screening apparatus having a pair of spaced elongated side members, a screen surface supported between the side members, a frame member supported between the side members and beneath the screen surface, a first hammer mounted to the side members beneath the screen surface, a second hammer mounted to the frame member, a first vibrator attached to one of the side members and the second hammer and a second vibrator attached to the other side member and the second hammer. The apparatus is equipped to permit the side members to vibrate independently of each other.
REFERENCES:
patent: 2032082 (1936-02-01), Deister et al.
patent: 2532734 (1950-12-01), Schmidt
patent: 3285413 (1966-11-01), Taylor-Smith
patent: 5232099 (1993-08-01), Maynard
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