Patent ID: 7021886

Claim:
A system for delivering a stack of paper to a high-speed sheet feeder, comprising: (a) a sheet handling cart including a frame and a paper trough that is liftable from the frame, the paper trough having a trough bottom that forms an elongated opening; (b) a docking station connected at least indirectly to the high-speed sheet feeder, said docking station having a station docking mechanism for removably attaching the sheet handling cart to the docking station; (c) an elevating conveyor belt connected at least indirectly to the docking station, for protruding upward through the elongated opening of the trough bottom, in order to advance the stack of paper toward the high-speed sheet feeder; and (d) at least one detector for obtaining information regarding a position of the stack of paper, wherein the at least one detector is operatively connected to the elevating conveyor belt so that the elevating conveyor belt will operate in response to the position of the stack of paper.