Decentralized drive system for a conveyor
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United States of America Patent
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Mar 1, 2005
Grant Date -
Jul 29, 2004
app pub date -
Jan 29, 2003
filing date -
Jan 29, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
An accumulation conveyor system for supporting and moving a plurality of objects. The conveyor system is divided into a plurality of zones wherein each zone includes a top and bottom conveying surface and wherein a space is defined between the top and bottom surfaces. Each zone also includes its own motor positioned external to the space between the conveying surfaces and coupled to the conveying surfaces via a non-slip connection. A control system is connected to the motor and controls the power to the motor so that the conveying surfaces in each zone can be moved independently. Whenever a sensor detects an empty downstream zone, it signals the control system of the upstream zone to power the motor and move the object to fill the empty zone. The control system may also be configured to allow a soft start wherein motor speed is increased gradually.
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