Sifting machines

Details Sifting machines Sifting machines

1978-09-11

1980-09-23

Halper, Robert

Classifying, separating, and assorting solids

Sifting

Feeding

209325, 209405, 210388, B07B 146

Patent

active

042241464

ABSTRACT:
In a sifting machine having a driven vibratory screen assembly comprising a so-called sifting basket of which a screen forms the base, the screen is releasably located by a plurality of spaced bars which extend across the screen and project at their ends through side walls of the basket. The projecting end portions of the bars are bolted to external supports on the side walls, and the bars carry spring-loaded plungers which press the frame of the screen against internal ledges on the side walls.

REFERENCES:
patent: 543088 (1895-07-01), Gray
patent: 1270896 (1918-07-01), Stuart
patent: 2020131 (1935-11-01), Behuke
patent: 2088313 (1937-07-01), Wettlaufer
patent: 2682338 (1954-06-01), Hurst
patent: 2716493 (1955-08-01), Hutchison
patent: 2750043 (1956-06-01), Thompson
patent: 2899061 (1959-08-01), Schroth
patent: 2959285 (1960-11-01), Tongos
patent: 3570670 (1971-03-01), Endo
patent: 4040951 (1977-08-01), Cole

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