A conveyor apparatus for use in a sheet handling apparatus including an upstream module having an output end and a downstream module having an input end where the upstream module output end is capable of discharging the sheet from a plurality of output positions. The conveyor apparatus feeds the sheet...http://www.google.co.uk/patents/US5649892?utm_source=gb-gplus-sharePatent US5649892 - Apparatus and method for conveying a sheet
