Machine for erecting cartons

Claim 1

IN A MACHINE FOR ERECTING AT LEAST PARTIALLY COLLAPSED CARTONS INCLUDING TWO SEPARABLE SIDE PANELS DISPOSED FACE TO FACE WITH ONE PANEL OFFSET LATERALLY RELATIVE TO THE OTHER AND WITH THE OFFSET EDGES HINGEDLY JOINED TOGETHER BY TWO EDGE PANELS, THE COMBINATION OF, A FRAME, A CHUTE ON SAID FRAME FORMED BY TWO GUIDES SPACED APARTT AT ONE END OF SAID CHUTE TO RECEIVE SAID CARTONS SIDEWISE IN THE COLLAPSED CONDITION, SAID GUIDES BEING ARCUATELY CURVED AND CONVERGING TOWARD EACH OTHER FROM SAID ONE END TOWARD THE OTHER END TO A SPACING LESS THAN THE COLLAPSED WIDTH OF THE CARTONS, AN ARM FULCRUMED AT ONE END ON SAID FRAME WITH ITS FREE END EXTENDING ACROSS SAID ONE END AND SWINGABLE INWARDLY ALONG SAID CHUTE, MECHANISM ON SAID FRAME FOR DELIVERING CARTONS ONE BY ONE TO A POSITION BETWEEN SAID ARM AND SAID ONE CHUTE END, AND MEANS FOR SWINGING SAID ARM INTO AND ALONG SAID CHUTE IN TIMED RELATION WITH THE DELIVERY OF CARTONS TO SAID POSITION WHEREBY THE ARM ENGAGES THE CARTON IN SAID POSITION AND SHIFTS THE CARTON SIDEWISE DOWN THE CHUTE TO COMPRESS THE CARTON LATERALLY BETWEEN SAID GUIDES AND THEREBY FURTHER SEPARATE THE SIDE PANELS WHILE AT THE SAME TIME FRICTIONALLY ENGAGING THE CARTONS.