Variable control screen apparatus

Details Variable control screen apparatus Variable control screen apparatus

1993-05-14

1995-03-14

Dayoan, D. Glenn

Classifying, separating, and assorting solids

Sifting

Plane sifters

209382, 209404, B07B 134

Patent

active

053970020

ABSTRACT:
A vibrating screen apparatus having a pair of side members, a screen surface supported between the side members, a pair of frame members supported between the side members and beneath the screen, a first hammer to vibrate the screen, a second hammer that alternately vibrates the screen with the first hammer and a motor to impart motion to the hammers and frame members. The screen apparatus is provided with a method to selectively tension the screen surface. The apparatus is equipped to permit varying the frequency and amplitude of the hammers and screen material. The apparatus is equipped with only a single motor on each screen section to provide economy in use.

REFERENCES:
patent: 3285413 (1966-11-01), Taylor-Smith
patent: 3796311 (1974-03-01), Krause
patent: 4169788 (1979-10-01), Grunbaum
patent: 4444656 (1984-04-01), Nelson et al.
patent: 4575420 (1986-03-01), Blachetta et al.
patent: 4732670 (1988-03-01), Nelson

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