Rock screen for spreader-loader

Details Rock screen for spreader-loader Rock screen for spreader-loader

1975-05-02

1976-12-21

Halper, Robert

Classifying, separating, and assorting solids

Sifting

Feeding and discharging

209283, 171 63, B07B 106

Patent

active

039987299

ABSTRACT:
Liquid manure from an open pit is swept into the tubular housing of a loader by an impeller that rotates adjacent the housing inlet in close proxmity to one stretch of the housing wall that is in concentric relationship with the impeller. Stones larger than a predetermined size are screened from the manure by an arcuate grid that overlies the impeller in concentricity therewith. Thus, instead of ricocheting wildly within the housing following their separation from the manure, the stones are guided smoothly around the impeller and back out the inlet opening.

REFERENCES:
patent: 239536 (1881-03-01), Parker
patent: 1044796 (1912-11-01), Marquardt
patent: 1250590 (1917-12-01), Kardos
patent: 1270185 (1918-06-01), Matthes
patent: 1643629 (1927-09-01), Pritchard
patent: 1899803 (1926-09-01), Buker
patent: 2968400 (1961-01-01), Clute

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