Packaging machine

Claim 1

IN COMBINATION, MEANS FOR PRODUCING A STACK OF ITEMS, A LOADING STATION, MEANS ADJACENT THE LOADING STATION FOR RETANING A SUPPLY OF FOLDED CONTAINERS, RECIPROCATING MEANS FOR SUCCESSIVELY REMOVIONG ONE FOLDED CONTAINER AT A TIME FROM SAID SUPPLY AND TRANSFERRING IT TO TJE LOADING STATION WHILE STILL FOLDED, A MOVABLE MEMBER PIVOTALLY MOUNTED AT THE LOADING STATION AND ADAPTED TO UNDERLIE ONE SIDE OF THE CONTAINER, MEANS TO PIVOT SAID MEMBER TO A SUBSTANTIALLY VERTICAL POSITION TO ERECT THE CONTAINER AND DUPPORT SAID ONE SIDE OF THE CONTAINER, MEANS MOVABLE INTO THE FRONT OF SAID ERECTED CONTAINER AT THE LOADING STATION TO GUIDE SAID PREDETERMINED NUMBER OF STACKED ITEMS INTO THE ERECTED CONTAINER, A WEIGHTED BACK-UP DOOR PIVOTED ON A SUBSTANTIALLY HORIZONTAL AXIS TO BACK UP THE REAR OF THE CONTAINER AND MEANS FOR TRANSFERRING A PREDETERMINED NUMBER OF STACKED ITEMS FROM SAID STACKING MEANS TO THE INTERIOR OF AN ERECTED CONTAINER AT THE LOADING STATION AND FOR TRANSFERRING A CONTAINER LOADED WITH SAID PREDETERMINED NUMBER OF STACKED ITEMS TO A POINT REMOVED FROM SAID LOADING STATION BY ADVANCING THE LOADED CONTAINER THROUGH THE PIVOTED BACK UP DOOR.