| 摘要 |
A package conveying system including an on-conveyor pushing assembly powered by an off-conveyor power source, with a "floating" power connection interface synchronized with the conveyor. This floating power connection interface can be provided by an endless air-filled "inner tube" having air ports thereon, can be provided by an endless belt having air-supplying nozzles thereon supplied with air from corresponding air supply tubes, or can be supplied by use of an endless belt having electrical contacts thereon.
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