Classifying – separating – and assorting solids – Sifting – Elements
Patent
1989-06-14
1990-03-06
Hajec, Donald T.
Classifying, separating, and assorting solids
Sifting
Elements
209319, 209405, B07B 146, B07B 148
Patent
active
049063529
ABSTRACT:
An improved tensioning assembly for vibratory screens includes a rigid frame, at least one classifying screen in the frame, an anchor for anchoring one end of the screen, and a rotatable tensioning assembly at the other end of the screen for both anchoring the other end of the screen and tensioning the screen by rotation of the rotatable assembly. The anchor at the one end of the screen includes a plurality of threaded adjustment members spaced along the length of the anchor for flexing the anchor to selectively and incrementally further adjust the tension on the screen to compensate for tension variations across the width of the screen due to torque differentials in the rotatable tensioning assembly.
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Hajec Donald T.
Production Engineered Products, Inc.
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