Apparatus for unloading bulk material from a storage space
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United States of America Patent
Stats
-
Sep 1, 1981
Grant Date -
N/A
app pub date -
Apr 11, 1979
filing date -
Apr 12, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus for unloading bulk material from a storage space includes an upward conveyor (14), in particular a screw conveyor. For scraping the bulk material to the inlet end (22) of the upward conveyor (14), there is a scraper conveyor (27, 28) which is pivotally movable up and down and is telescopically extensible. The scraper conveyor is pivotally connected to a protective tube (24) which is rotatable and extends about the upward conveyor (14). The protective tube is located within a pressure-absorbing pipe which prevents the bulk material from impeding the rotational movement of the protective tube. This arrangement makes it possible for the scraper conveyor to remove bulk material from different regions of the storage space, including corners.
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