Electrophotographic micro-copy printer

Claim 1

AN APPARATUS FOR PRODUCING PRINTS ON ELECTROPHOTOGRAPHIC PAPER AND THE LIKE BY ELECTROSTATIC PHOTOGRAPHY COMPRISING MEANS FOR SUPPORTING A WEB OF PAPER HAVING AN ELECTROPHOGRAPHIC SURFACE, DELIVERY MEANS SPACED FROM SAID MEANS FOR RECEIVING SAID PAPER, MEANS TO ADVANCE SAID WEB ALONG A PREDETERMINED PATH OF TRAVEL BETWEEN SAID SUPPORT AND DELIVERY MEANS, MEANS FOR MAINTAINING SAID WEB OF PAPER UNDER CONTROLLED TENSION DURING TRAVEL THEREOF, CHARGING MEANS POSITIONED ALONG THE PATH OF WEB TRAVEL BETWEEN SAID SUPPORT AND DELIVERY MEANS FOR DEPOSITING A SUBSTANTIALLY UNIFORM CHARGE ON THE ELECTROPHTOGRAPHIC SURFACE OIF SAID WEB, SAID CHARGING MEANS INCLUDING A PLURALITY OF FINE WIRES SUPPORTED TO DEPOSIT A CHARGE ON AT LEAST SAID SURFACE OF SAID WEB, SAID WIRES BEING ARRANGED PARALLEL TO EACH OTHER IN A PLANE AND DIAGONAL TO THE PATH OF WEB TRAVEL, EXPOSURE MEANS POSITIONED ALONG THE PATH OF WEB TRAVEL BETWEEN SAID CHARGING MEANS AND SAID DELIVERY MEANS FOR EXPOSING THE ELECTROPHOTOGRAPHIC SURFACE OF SAID WEB TO A PATTERN OF LIGHT FORMING ON SAID SURFACE AN ELECTROSTATIC LATENT IMAGE OF THE ORIGINAL TO BE REPRODUCED, A DEVELOPING STATION LOCATED IN THE PATH OF WEB TRAVEL BETWEEN SAID EXPOSURE MEANS AND SAID DELIVERY MEANS RECEIVING SAID PAPER WITH SAID LATENT IMAGE THEREON, RECEPTACLE MEANS INCLUDED IN SAID DEVELOPING STATION FOR RECEIVING A LIQUID DEVELOPER INCLUDING AN ELECTRICALLY INSULATING LIQUID VEHICLE HAVING DISPERSED THERETHROUGH MARKING PARTICLES CAPABLE OF BEING DEPOSITED ON SAID SURFACE AS CONTROLLED BY SAID LATENT IMAGE AND SUBSTANTIALLY ADHERING TO SAID ELECTROPHOTOGRAPHIC SURFACE, DRIVEN DEVELOPER DRUM MEANS POSITIONED TRANSVERSELY OF THE PATH OF WEB TRAVEL AND PARTIALLY IMMERSED IN THE DEVELOPER IN SAID RECEPTACLE MEANS, SAID WEB BEING POSITIONED IN DRIVING CONTACT AROUND THE OUTER PERIPHERY OF SAID DRUM WITH THE ELECTROPHOTOGRAPHIC SURFACE FACING OUTWARDLY WHEREBY SUCCESSIVE PORTIONS OF THE WEB ARE BROUGHT BENEATH THE LEVEL OF THE DEVELOPER, ROLLER MEANS POSITIONED TRANSVERSELY OF THE PATH OF TRAVEL AND OUT OF CONTACT WITH SAID DEVELOPER AND IN CONTACT WITH THE SURFACE BEARING THE DEVELOPED IMAGE FOR REMOVING SUBSTANTIALLY ALL OF THE VEHICLE ADHERING TO SAID WEB WHILE LEAVING SAID DEPOSITED MARKING PARTICLES ADHERED TO THE ELECTROPHOGRAPHIC SURFACE OF SAID WEB AND CLEANER MEANS CONTACTING SAID ROLLER MEANS TO REMOVE THEREFROM ANY MARKING PARTICLES DEPOSITED THEREON.

Claim 2

AN APPARATUS FOR PRODUCING PRINTS ON ELECTROPHOTOGRAPHIC PAPER AND THE LIKE BY ELECTROSTATIC PHOTOGRAPHY COMPRISING MEANS FOR SUPPORTING A WEB OF PAPER HAVING AN ELECTROPHOGRAPHIC SURFACE, DELIVERY MEANS SPACED FROM SAID MEANS FOR RECEIVING SAID PAPER, MEANS TO ADVANCE SAID WEB ALONG A PREDETERMINED PATH OF TRAVEL BETWEEN SAID SUPPORT AND DELIVERY MEANS, MEANS FOR MAINTAINING SAID WEB OF PAPER UNDER CONTROLLED TENSION DURING TRAVEL THEREOF, CHARGING MEANS POSITIONED ALONG THE PATH OF WEB TRAVEL BETWEEN SAID SUPPORT AND DELIVERY MEANS FOR DEPOSITING A SUBSTANTIALLY UNIFORM CHARGE ON THE ELECTROPHTOGRAPHIC SURFACE OIF SAID WEB, SAID CHARGING MEANS INCLUDING A PLURALITY OF FINE WIRES SUPPORTED TO DEPOSIT A CHARGE ON AT LEAST SAID SURFACE OF SAID WEB, SAID WIRES BEING ARRANGED PARALLEL TO EACH OTHER IN A PLANE AND DIAGONAL TO THE PATH OF WEB TRAVEL, EXPOSURE MEANS POSITIONED ALONG THE PATH OF WEB TRAVEL BETWEEN SAID CHARGING MEANS AND SAID DELIVERY MEANS FOR EXPOSING THE ELECTROPHOTOGRAPHIC SURFACE OF SAID WEB TO A PATTERN OF LIGHT FORMING ON SAID SURFACE AN ELECTROSTATIC LATENT IMAGE OF THE ORIGINAL TO BE REPRODUCED, A DEVELOPING STATION LOCATED IN THE PATH OF WEB TRAVEL BETWEEN SAID EXPOSURE MEANS AND SAID DELIVERY MEANS RECEIVING SAID PAPER WITH SAID LATENT IMAGE THEREON, RECEPTACLE MEANS INCLUDED IN SAID DEVELOPING STATION FOR RECEIVING A LIQUID DEVELOPER INCLUDING AN ELECTRICALLY INSULATING LIQUID VEHICLE HAVING DISPERSED THERETHROUGH MARKING PARTICLES CAPABLE OF BEING DEPOSITED ON SAID SURFACE AS CONTROLLED BY SAID LATENT IMAGE AND SUBSTANTIALLY ADHERING TO SAID ELECTROPHOTOGRAPHIC SURFACE, DRIVEN DEVELOPER DRUM MEANS POSITIONED TRANSVERSELY OF THE PATH OF WEB TRAVEL AND PARTIALLY IMMERSED IN THE DEVELOPER IN SAID RECEPTACLE MEANS, SAID WEB BEING POSITIONED IN DRIVING CONTACT AROUND THE OUTER PERIPHERY OF SAID DRUM WITH THE ELECTROPHOTOGRAPHIC SURFACE FACING OUTWARDLY WHEREBY SUCCESSIVE PORTIONS OF THE WEB ARE BROUGHT BENEATH THE LEVEL OF THE DEVELOPER, ROLLER MEANS POSITIONED TRANSVERSELY OF THE PATH OF TRAVEL AND OUT OF CONTACT WITH SAID DEVELOPER AND IN CONTACT WITH THE SURFACE BEARING THE DEVELOPED IMAGE FOR REMOVING SUBSTANTIALLY ALL OF THE VEHICLE ADHERING TO SAID WEB WHILE LEAVING SAID DEPOSITED MARKING PARTICLES ADHERED TO THE ELECTROPHOGRAPHIC SURFACE OF SAID WEB AND CLEANER MEANS CONTACTING SAID ROLLER MEANS TO REMOVE THEREFROM ANY MARKING PARTICLES DEPOSITED THEREON.