Vibratory screening apparatus
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United States of America Patent
Stats
-
Jul 3, 1984
Grant Date -
N/A
app pub date -
Sep 25, 1981
filing date -
Oct 20, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
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cradle incorporating screens is vibrated on a machine base, and wherein a bottom screen (56) in said cradle (12) can be withdrawn between an upper support (64) on said cradle and an intermediate support (54) on a bottom screen frame (52), which frame is also withdrawable from the machine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.
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