Frictional drive spiral conveyor system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 28, 1992
Grant Date -
N/A
app pub date -
Nov 30, 1990
filing date -
Nov 30, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A spiral conveyor system utilizing an endless flat belt is disclosed. The belt travels in an endless path which includes a spiral portion. The belt is primarily driven in the spiral portion by a frictional engagement between the belt and a rotating driving element. The frictional engagement is enhanced by attaching friction increasing elements to the belt and driving element.
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Cited Art Landscape
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