Patent ID: 7331574
Filing Date: 2008-02-19
Classification: B65H

Abstract:
1. A media input system comprising: an input tray for holding a stack of media sheets; a scissor picking assembly for picking individual media sheets from the stack, said scissor picking assembly comprising (a) a pair of guide rails, (b) a roller support frame, and (c) a common gear shaft; the guide rails and the roller support frame being pivotally connected to the common gear shaft such that the guide rails and the roller support frame can pivot about the longitudinal axis of the common gear shaft in a scissor-like fashion; a transport roller assembly for transporting the picked sheets from the input tray to a media path, one end of each guide rail being pivotally connected to the transport roller assembly, while the other end of the guide rail being freely movable; a pick roller shaft having at least one pick roller ridgidly mounted thereon, one end of the roller support frame being coupled to said pick roller shaft; a first gear train mounted on one guide rail so as to provide driving engagement between the transport roller assembly and the common gear shaft; a second gear train mounted on the roller support frame so as to provide driving engagement between the common gear shaft and the pick roller shaft.