Classifying – separating – and assorting solids – Sifting – Elements
Patent
1996-08-30
1998-12-22
Terrell, William E.
Classifying, separating, and assorting solids
Sifting
Elements
209357, 2093652, 209373, 209387, B07B 149, B07B 124, B07B 132
Patent
active
058509232
ABSTRACT:
A manual sifter including a rotor overlying a sifter screen and rotatable in response to longitudinal reciprocation of a drive arm engaging a crank wheel fixed to the rotor. The drive arm includes a projecting pin engaged within an elongated slot of the crank wheel, the drive arm having a cam edge thereon engage with the crank wheel to vary the torque applied to the rotation of the crank wheel as the arm reciprocates.
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Backaert Dimitri M. C. J.
DeCoster Pieter K. J.
Dart Industries Inc.
Dillon, Jr. Joe
Doninger John A.
Ross Taylor J.
Terrell William E.
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