Accessory apparatus for copying devices and a copying device therefor

Claim 1

A REMOVABLE ATTACHMENT UNIT FOR FEEDING COPYING SHEET MATERIAL INTO A COPYING MACHINE HAVING AN INLET APERTURE FOR SAID MATERIAL, SAID ATTACHMENT UNIT COMPRISING A HOUSING, A PAIR OF OPPOSITELY DISPOSED WALLS IN SAID HOUSING WITH A FEED OPENING FOR AN ORIGINAL IN ONE OF SAID WALLS AND AN OUTLET OPENING IN THE OTHER WALL ON A LEVEL WITH AND FACING SAID INLET APERTURE OF THE COPYING MACHINE, MEANS IN SAID HOUSING FOR CONVEYING THE ORIGINAL FROM SAID FEED OPENING TO SAID OUTLET OPENING FOR INTRODUCTION INTO SAID COPYING MACHINE THROUGH SAID INLET APERTURE THEREOF, DRIVE MEANS FOR SAID CONVEYING MEANS, MEANS IN SAID HOUSING ROTATABLY SUPPORTING AT LEAST ONE ROLL OF LAYER CARRIER WEB, MEANS IN SAID HOUSING FOR UNWINDING SAID WEB FROM SAID ROLL, GUIDE MEANS IN SAID HOUSING FOR GUIDING THE UNWOUND WEB PORTION TO SAID OUTLET OPENING FOR INTRODUCTION INTO THE COPYING MACHINE THROUGH SAID INLET APERTURE THEREOF, CUTTING MEANS IN THE PATH OF SAID WEB FROM SAID UNWINDING MEANS TO SAID OUTLET OPENING FOR SEVERING A LENGTH OF SAID WEB, DRIVE MEANS FOR SAID UNWINDING MEANS AND CUTTING MEANS, AND ACTUATOR MEANS IN THE PATH OF SAID ORIGINAL THROUGH THE HOUSING FOR CONTROLLING THE STARTING AND STOPPING OF SAID LAST MENTIONED DRIVE MEANS, THE ARRANGEMENT BEING SUCH AS TO CAUSE THE LEADING EDGE OF SAID ORIGINAL AND THE LEADING EDGE OF SAID SEVERED LENGTH OF WEB TO ENTER THE COPYING MACHINE SUBSTANTIALLY SIMULTANEOUSLY.