Extraction tower
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United States of America Patent
Stats
-
Oct 17, 1995
Grant Date -
N/A
app pub date -
Oct 6, 1993
filing date -
Oct 7, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An extraction tower for the extraction of slices includes an outer tower casing having an inside wall and a bottom region; arresters disposed along the inside wall; a sieve disposed in the bottom region; a tubular shaft centrally disposed in the casing and having a toothed rim at a top end thereof and conveyor vanes disposed over its length; a bearing which holds a bottom end of the tubular shaft; a rotary drive including a plurality of drive units which are distributed around a periphery of the tubular shaft and which are connected to the tower casing, each of the drive units including a drive pinion which engages the toothed rim; a plain bearing; a guide for guiding the bottom end in the bottom region near the sieve, the guide including a central journal which is disposed in the plain bearing as far as the sieve extends and wherein a clearance exists between the plain bearing and the central journal.
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