Patent ID: 6056288
Filing Date: 2000-05-02
Classification: B65H

Abstract:
In a sheet stacking and offsetting system with a movable sheet stacking tray, and a stacking tray offsetting movement system for said movable stacking tray, by which flimsy printed sheets from a reproduction apparatus are stacked on said output stacking tray with selected sheets are offset relative to one another, the improvement comprising:a rotary drive system with an eccentrically rotated camming member, anda cam follower system with a variable width cam follower slot engaging said eccentrically rotated camming member,said cam follower system being operatively connected to said movable sheet stacking tray to provide said stacking tray offsetting movement by said eccentric rotation of said camming member in said variable width cam follower slot,said cam follower system having an automatic positive cam engagement system for automatically reducing the width of said cam follower slot so that both sides of said slot directly engage said eccentrically rotated camming member.