Screening machine with improved base force reduction

Details Screening machine with improved base force reduction Screening machine with improved base force reduction

1995-11-27

1998-03-24

Noland, Kenneth

Classifying, separating, and assorting solids

Sifting

Plane sifters

198760, B07B 138

Patent

active

057302979

ABSTRACT:
A screening machine of the moving base type has an oscillating force reducer and a single counterbalance drive, with the weight of the drive counterbalance sized to underbalance the longitudinal reaction force exerted by the deck on the drive shaft, but to substantially overbalance the lateral reaction force exerted by the deck on the drive shaft. The weight of the force reducer, the spring constant of the spring which oscillates the force reducer, and overall cost are surprisingly reduced.

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patent: 5037535 (1991-08-01), Bruderlein
patent: 5301814 (1994-04-01), Lower et al.
1992 Rotex, Inc. Screener Catalog 209.

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