Classifying – separating – and assorting solids – Sifting – Plane sifters
Patent
1981-02-25
1983-01-25
Hill, Ralph J.
Classifying, separating, and assorting solids
Sifting
Plane sifters
2093665, B07B 138
Patent
active
043702260
ABSTRACT:
A sifting machine comprising a sieve box (11) mounted on a framework (10), free-swinging on a plurality of suspension canes (12), the framework (10) carrying a motor (13) which drives via belts (16) and pulleys (15, 17), a pair of vertical shafts (18), each carrying a throwing weight system (19, 20, 21) the shafts and their throwing weight systems being mounted outside the bounds of the sieve box (11), and having their mass distributed evenly above and below a horizontal plane passing through the center of gravity of the sieve box (11).
REFERENCES:
patent: 3032200 (1962-05-01), Miller
patent: 3981403 (1976-09-01), Zimmerman et al.
Henry Simon Limited
Hill Ralph J.
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