Oscillating free swinging sifter apparatus

Details Oscillating free swinging sifter apparatus Oscillating free swinging sifter apparatus

1974-10-02

1976-09-21

Halper, Robert

Classifying, separating, and assorting solids

Sifting

Elements

209415, 74 61, B07B 144

Patent

active

039814033

ABSTRACT:
A free swinging sifter apparatus which includes a suspension framework, a sieve or sifter housing, suspension members suspending the housing from the framework, selectively positionable weights movably mounted on opposite sides of the housing and means for concurrently rotating the weights about substantially vertical axes.

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patent: 687743 (1901-12-01), Green
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patent: 3076549 (1963-02-01), Becker
patent: 3413789 (1968-12-01), Studer
patent: 3422955 (1969-01-01), Mock
patent: 3483972 (1969-12-01), Elliot
patent: 3794165 (1974-02-01), Riesbeck
patent: 3841166 (1974-10-01), Gerberich

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