Classifying – separating – and assorting solids – Sifting – Plane sifters
Reexamination Certificate
2006-10-03
2006-10-03
Rodriguez, Joseph (Department: 3653)
Classifying, separating, and assorting solids
Sifting
Plane sifters
C209S326000
Reexamination Certificate
active
07114620
ABSTRACT:
A screening machine comprises a screen frame elastically supported on a fixed base and comprising screen cheeks and screen frame crossbeams which connect the screen cheeks, a drive for oscillating the screen frame, and a swing frame elastically coupled to the screen frame. The swing frame comprises thrust rods elastically coupled to the screen cheeks, fastening components projecting from the thrust rods and extending parallel to the screen cheeks, swing frame crossbeams arranged on each fastening component which connect the thrust rods, and at least two screening surfaces formed by screening mats extending substantially parallel to each other, the screening mats being alternately compressed and stretched in sections by being alternatingly fastened to the swing frame crossbeams and the screen frame crossbeams.
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Binder & Co. AG
Collard & Roe P.C.
Rodriguez Joseph
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