Conveyors: power-driven – Conveyor arrangement for selecting among plural sources or... – By loading or unloading section at selected one of a...
Patent
1994-03-22
1995-11-07
Bidwell, James R.
Conveyors: power-driven
Conveyor arrangement for selecting among plural sources or...
By loading or unloading section at selected one of a...
198364, 1984642, B65G 4746
Patent
active
054640881
ABSTRACT:
The delivery system of the invention is able to deliver articles transversely from a conveyor with a minimum spacing between articles and a greatly simplified centering mechanism. The system consists of a first conveyor for moving a plurality of closely spaced articles. A second conveyor is located adjacent to the first conveyor for receiving articles delivered transversely from the first conveyor. A kicker is provided that has an optical sensor at the leading edge thereof for sensing the article to be conveyed. Operation of the system begins with the kicker in its start position where the optical sensor is aligned with the center of the second conveyor. When the sensor detects the leading edge of the article, it is moved parallel to and at the same speed as the first conveyor, but in the opposite direction. When the sensor detects the trailing edge of the article to be conveyed, the article is centered relative to the second conveyor, the first conveyor is stopped, and the kicker is activated to push the article transversely from the first conveyor to the second conveyor. Once the article has been transferred to the second conveyor, the kicker is retracted to its start position with a velocity component in the same direction and speed as the conveyor which decreases the cycle time because the conveyor can be started while the kicker is being retracted.
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Bidwell James R.
Valmet-Appleton, Inc.
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