Method and apparatus for sorting bodies of different densities

Details Method and apparatus for sorting bodies of different densities Method and apparatus for sorting bodies of different densities

1979-12-03

1981-08-04

Knowles, Allen N.

Classifying, separating, and assorting solids

Sorting special items, and certain methods and apparatus for...

Separating means

209640, B07C 500

Patent

active

042817668

ABSTRACT:
To sort first bodies from a mixture of first and second bodies in which the first bodies, for example potatoes or other root crop, are less dense than the second bodies, for example stones harvested simultaneously with the root crop, the mixture is dropped down a vertical pathway onto an energy absorber. This comprises spaced resilient strips disposed side by side in a common plane transverse to the vertical. The impact of the denser second bodies bends the strips down sufficiently to allow the second bodies to continue along the pathway past the energy absorber. But the less dense first bodies only bend the strips to a lesser extent and are halted thereby. On resiling the strips flick such halted first bodies from the pathway.

REFERENCES:
patent: 3047149 (1962-07-01), Koning

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