Sifter apparatus
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United States of America Patent
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-
Apr 8, 1986
Grant Date -
N/A
app pub date -
Jan 23, 1985
filing date -
Feb 10, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A sifter apparatus comprises an oscillatory support comprising two side plates defining transversely aligned window openings at spaced locations along the side plates and first transverse bearing beams extending between the aligned window openings and connecting the side plates. Inertia is imparted to the oscillatory support by two side bearing beams extending along the two side plates and second transverse beams passing through the aligned window openings in the side plates and connecting the side bearing beams. Pairs of spring elements are connected to the side plates of the support at the spaced location, the two side bearing beams being gripped between the spring elements of each pair. Sifting mats are secured between respective ones of the first and second transverse beams.
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