Patent ID: 6474640
Filing Date: 2002-11-05
Classification: B65H

Abstract:
Apparatus for stacking sheets in offset stacks, including(a) delivery means for delivering individual sheets; (b) a support surface; (c) first paper stop means to stop the movement of sheets delivered by said delivery means, said first paper stop means moveable between at least two operative positions, (i) a first storage position, and (ii) a second deployed position for stopping sheets delivered by said delivery means to form a first stack of sheets on said support surface, said first stack of sheets having a forward portion adjacent said first paper stop means; (d) second paper stop means to stop the movement of sheets delivered by said delivery means, said second paper stop having a deployed position for stopping sheets delivered by said delivery means to form a second stack of sheets on said support surface above and offset from said first stack of sheets; and, (e) means for clamping securing said forward portion when a sheet in said second stack frictionally slides over and contacts a sheet in said first stack.