Patent ID: 7645113
Filing Date: 2010-01-12
Classification: B65H

Abstract:
1. A system for stacking and collating cartons for delivery to a packaging machine, comprising: a primary support having an upper surface on which the cartons are received and movable along a path in a vertical direction as the cartons are received on said upper surface to form a stack of cartons; a secondary support moveable from a first position to a second position projecting over said primary support after a sufficient stack of cartons has accumulated on said primary support and moveable in a direction substantially parallel to said primary support for receiving additional cartons thereon as a completed stack of cartons is moved from said primary support; a series of sensors positioned along the path of said primary support for controlling movement of said primary and secondary supports; and a pusher mechanism positioned upstream from said primary support and moveable in a direction substantially parallel to said upper surface of said primary support to urge the stack of cartons off of said primary support.