Machine for perforating, scoring and slicing with feed means

Claim 1

IN APPARATUS OF THE CHARACTER DESCRIBED, A FEED TABLE ADAPTED TO CARRY A PILE OF SHEETS OF PAPER, A CONTINUOUSLY DRIVEN FEED ROLLER HAVING A UNIFORM ANNULAR RESILIENT SURFACE, SAID FEED ROLLER UNDERLYING SAID SHEETS AND BEING ADAPTED TO ENGAGE THE UNDER SIDES OF SAID SHEETS OF PAPER TO PRESENT SAID SHEETS ONE BY ONE FROM THE BOTTOM OF THE PILE, MEANS INCLUDING A ONE-WAY CLUTCH FOR DRIVING SAID FEED ROLLER, A STATIONARY HOLD-BACK ROLLER GENERALLY OVERLYING SAID FEED ROLLER AND ENGAGING THE FRONT EDGES OF ALL OF THE SHEETS IN THE BOTTOM PORTION OF SAID PILE EXCEPT THE BOTTOM SHEET TO PREVENT REMOVAL OF MORE THAN ONE SHEET AT A TIME BY THE FEED ROLLER, MEANS ENGAGING THE HOLD-BACK ROLLER FOR PREVENTING ROTATION OF SAID HOLD-BACK ROLLER, ADJUSTABLE GENERALLY VERTICAL BACKSTOP MEANS URGING THE FRONT EDGES OF THE SHEETS OF PAPER INTO ENGAGEMENT WITH THE HOLD-BACK ROLLER, SAID GENERALLY VERTICAL BACKSTOP MEANS BEING POSITIONED SO THAT THE REAR EDGES OF SUBSTANTIALLY ALL OF THE SHEETS EXCEPT THE BOTTOM SHEET OR SHEETS ARE RAISED ABOVE THE BOTTOM OF THE PILE TO THEREBY REMOVE A SUBSTANTIAL PORTION OF THE WEIGHT OF THE PILE FROM THE BOTTOM SHEET TO FACILITATE FEEDING OF THE BOTTOM SHEET BY THE FEED ROLLER SHEET AD-