Photocopying machine

Claim 1

A PHOTOCOPYING MACHINE COMPRISING, IN COMBINATION, HOLLOW CASING MEANS DEFINING AN ENCLOSED AND LIGHTSHIELDED EXPOSURE STATION, MEANS FOR PROJECTING AN ILLUMINATED IMAGE OF MATERIAL TO BE COPIED THROUGH SAID HOLLOW CASING MEANS TOWARD SAID EXPOSURE STATION, A CONTINUOUS ROLL OF RELATIVELY HIGHLY-LIGHT-SENSITIVE NEGATIVE PAPER WITHIN SAID CASING DISPOSED CLOSELY ADJACENT SAID EXPOSURE STATION, THE NEGATIVE PAPER BEING DRAWN OFF SAID ROLL TO HAVE A SEGMENT THEREOF POSITIONED FOR EXPOSURE AT SAID EXPOSURE STATION, A CONTINUOUS ROLL OF RELATIVELY LESS-LIGHTSENSITIVE POSITIVE PAPER WITHIN SAID CASING, A SEGMENT OF THE POSITIVE PAPER BEING DRAWN OFF SAID POSITIVE PAPER ROLL THAT IS EXPOSED TO THE PORTION OF THE INTERIOR OF SAID HOLLOW CASING THROUGH WHICH SAID ILLUMINATED IMAGE IS PROJECTED BUT SAID POSITIVE PAPER SEGMENT BEING TRAINED OVER A PATH LOCATED OUTWARDLY OF TH PROJECTED IMAGE OF MATERIAL TO BE COPIED, SAID SEGMENT OF POSITIE PAPER BEING ARRANGED TO BE DISPOSED IN FACING, COMPLEMENTARY, RELATIONSHIP WITH THE EXPOSED SEGMENT OF NEGATIVE PAPER, PAPER-ENGAGING MEANS FOR SIMULTANEOUSLY ADVANCING THE EXPOSED SEGMENT OF NEGATIVE PAPER AND A COMPLEMENTARY SEGMENT OF POSITIVE PAPER PAST A SEVERING STATION, MEANS FOR SEVERING BOTH THE EXPOSED SEGMENT OF NEGATIVE PAPER AND COMPLEMENTARY SEGMENT OF POSITIVE PAPER FROM THEIR RESPECTIVE WEBS AFTER SAID SEGMENTS HAVE BEEN ADVANCED PAST SAID SEVERING STATION, SECOND PAPER-ENGAGING MEANS LOCATED ON THE DISCHARGE SIDE OF SAID SEVERING STATION FOR ENGAGING AND ADVANCING THE SEGMENTS OF PAPER FROM THE SEVERING STATION TOWARD A DEVELOPING STATION AT WHICH CHEMICAL PHOTOCOPYDEVELOPING MEANS ARE CAUSED TO ENGAGE THE SEGMENTS OF PAPER, AND CHEMICAL PHOTOCOPY-DEVELOPING MEANS ARRANGED TO BE ENGAGED BY SAID PAPER SEGMENTS AFTER THE SEGMENTS HAVE PASSED SAID SEVERING STATION AND COOPERATING WITH SAID PAPER SEGMENTS FOR CHEMICALLY DEVELOPING A POSITIVE PHOTOCOPY ON SAID POSITIVE PAPER SEGMENT.