Patent ID: 6422553
Filing Date: 2002-07-23
Classification: B65H

Abstract:
A sheet post-processing apparatus connected to an image forming device for collating, aligning and binding or punching sheets arriving from said image forming device, said sheet post-processing apparatus comprising:a processing portion having a sheet stacking platform for stacking the sheets successively delivered one by one in a reference transferring direction from the image forming device, means for aligning the sheets stacked on the sheet stacking platform and means for processing said sheets into a sheaf on said sheet stacking platform; and a sheet discharge unit situated perpendicularly to said reference transferring direction relative to said processing portion and provided with a plurality of discharge trays for receiving said sheets fed from said processing portion so as to discharge said sheets perpendicularly to said reference transferring direction and distribute and sort said sheets into selected discharge trays in said plurality of discharge trays.