Roller conveyor
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United States of America Patent
Stats
-
Aug 10, 2004
Grant Date -
Jul 31, 2003
app pub date -
Jan 28, 2003
filing date -
Jan 30, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Materials are conveyed by a roller conveyor which comprises a pair of conveyor frames and a plurality of rollers rotatably mounted between the pair of conveyor frames. The roller comprises a roller body and a driving force receiver connected to a motor. When the driving force receiver is driven, the roller body is driven and rotated by engagement of the driving force receiver and the roller body. When the roller stops, the roller body is disengaged from the drivng force receiver and becomes freely rotatable in either direction.
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