Classifying – separating – and assorting solids – Sifting – Combined type
Patent
1981-09-25
1984-07-03
Nozick, Bernard
Classifying, separating, and assorting solids
Sifting
Combined type
209333, 209403, 209341, 55504, 210388, B07B 900
Patent
active
044578393
ABSTRACT:
Vibratory screening apparatus wherein a filtrating cradle incorporating screens is vibrated on a machine base, and wherein a bottom screen (56) in said cradle (12) can be withdrawn between an upper support (64) on said cradle and an intermediate support (54) on a bottom screen frame (52), which frame is also withdrawable from the machine on a lower support (62) on the cradle, hydraulic expander means (60) being provided to act on the lower support so that, in the inserted position of the bottom screen frame, the opposed sides of the bottom screen can be clamped between the upper and intermediate supports, locking the bottom screen and its support in position.
REFERENCES:
patent: 1179842 (1916-04-01), Kirksey
patent: 2511239 (1950-06-01), Behnke et al.
patent: 3485364 (1969-12-01), Burrough
patent: 3666095 (1972-05-01), Krynock et al.
patent: 3788046 (1974-01-01), Kaeppler et al.
patent: 4237000 (1980-12-01), Read et al.
Kimmelman Nelson E.
Nozick Bernard
Thule United Limited
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