Photographic document copying apparatus

Claim 1

PHOTOGRAPHIC DOCUMENT COPYING APPARATUS COMPRISING, IN COMBINATION, MEANS FOR EXPOSING SUCCESSIVE AREAS OF A PHOTOSENSITIVE SHEET DURING MOVEMENT OF SAID SHEET THROUGH SAID APPARATUS; MEANS FOR ENGAGING AND PROCESSING SAID EXPOSED PHOTOSENSITIVE AREAS OF SAID PHOTOSENSITIVE SHEET DURING MOVEMENT THEREOF THROUGH SAID APPARATUS; AND INDEXING MEANS FOR CONTROLLING THE ADVANCEMENT OF SAID PHOTOSENSITIVE SHEET THROUGH SAID APPARATUS BY ARRESTING THE MOVEMENT OF SAID PHOTOSENSITIVE SHEET WHEN AN EXPOSED AREA HAS BEEN ADVANCED INTO ENGAGEMENT WITH SAID PROCESSING MEANS, SAID INDEXING MEANS BEING ADJUSTABLE TO PERMIT ADVANCEMENT OF PREDETERMINED SELECTED LENGTHS OF SAID PHOTOSENSITIVE SHEET THROUGH SAID APPARATUS, SAID LENGTHS BEING SELECTED SO THAT AREAS OF SAID PHOTOSENSITIVE SHEET CORRESPOND IN LENGTH TO THE LENGTHS OF ORIGINAL DOCUMENTS BEING COPIED, SAID INDEXING MEANS INCLUDING AN ENGAGEMENT MEMBER POSITIONED IN ENGAGEMENT WITH SAID PHOTOSENSITIVE SHEET AND MOVABLE IN RESPONSE TO MOVEMENT OF SAID PHOTOSENSITIVE SHEET THROUGH SAID APPARATUS, AND CONTROL MEANS INCLUDING TWO STOP MEANS CAPABLE OF BEING SELECTIVELY COUPLED WITH SAID ENGAGEMENT MEMBER FOR PREDETERMINEDLY LIMITING THE MOVEMENT OF SAID MEMBER IN RESPONSE TO MOVEMENT OF SAID PHOTOSENSITIVE SHEET, SAID STOP MEANS INCLUDING A COMMON STOP MEMBER MOVABLE THROUGH A FIXED DISTANCE AND TWO COUPLING MEANS FOR COUPLING SAID STOP MEMBER WITH SAID ENGAGEMENT MEMBER TO PERMIT MOVEMENT OF SAID ENGAGEMENT MEMBER THROUGH DIFFERENT FIXED DISTANCES PREDETERMINEDLY SELECTED IN ACCORDANCE WITH THE LENGTHS OF THE ORIGINAL DOCUMENTS TO BE COPIED DURING MOVEMENT OF SAID STOP MEMBER THROUGH SAID FIXED DISTANCE.