Roll feed attachment for duplicating apparatus

Claim 1

ROLL FEEDING ATTACHMENT FOR COPYING APPARATUS UTILIZING SENSITIZED CONTINUOUS WEB MATERIAL WHICH, IN CONTACT WITH AN ORIGINAL TO BE COPIED, IS FED BETWEEN INFEED ROLLERS INTO SAID APPARATUS FOR PROCESSING, COMPRISING A STORAGE ROLL OF SAIL SENSITIZED MATERIAL, FEED MEANS OVER WHICH SAID MATERIAL IS CONSTRAINED TO PASS, GUIDE MEANS FOR DIRECTING SAID MATERIAL TOWARD ENGAGEMENT BETWEEN SAID INFEED ROLLERS, CUTTING MEANS IN THE PATH OF SAID SENSITIZED MATERIAL, INLET FEED MEANS FOR CONVEYING AN ORIGINAL INCLUDING A SUPPORT THEREFOR CONVERGING TOWARD SAID INFEED ROLLERS, A PAIR FO ELECTRICAL SENSING ELEMENTS ACTIVATED BY THE LEADING EDGE OF THE ORIGINAL UPON INSERTION AND DETACTIVATED BY THE TRAILING EDGE THEREOF, ONE OF SAID SENSING ELEMENTS CONTROLLING THE ACTUATION OF THE FEED MEANS OF SAID SENSITIZED MATERIAL AND THE OTHER OF SAID SENSING ELEMENTS CONTROLLING THE OPERATION OF SAID CUTTING MEANS, SAID INLET FEED MEANS AND INFEED ROLLERS BEING INTERCONNECTED TO ADVANCE THE ORIGINAL AND SENSITIZED MATERIAL AT THE SAME RATE WHEREBY THE LENGTH OF THE SENSITIZED MATEIAL CUT FROM SAID ROLL ENTERING SAID APPARATUS IS SUBSTANTIALLY THE SAME AS THAT OF THE ORIGINAL.