Copy justification apparatus

Claim 1

APPARATUS FOR PRODUCING UNIFORMLY EXPANDED OR CONTRACTED JUSTIFIED IMAGES OF LINES OF COPY FROM AN ORIGINAL HAVING A PLURALITY OF LINES OF VARIOUS LENGTHS FORMING A NONUNIFORM RIGHT-HAND MARGIN, SAID APPARATUS COMPRISING MEANS TO SUPPORT AN ORIGINAL COPY, MEANS MOUNTING THE COPY SUPPORT FOR TRAVELING MOVEMENT PARALLEL TO LINES OF COPY ON THE ORIGINAL COPY, SCANNING MEANS INCLUDING ILLUMINATING MEANS FOR ILLUMINATING SUCCESSIVE INCREMENTS OF THE LINE OF COPY, AND MEANS MOUNTING SAID SCANNING AND ILLUMINATING MEANS OVER SAID COPY SUPPORT FOR TRAVELING MOVEMENT RELATIVE TO SAID ORIGINAL COPY AND PARALLEL WITH A LINE OF THE LATTER A DETERMINABLE DISTANCE EQUAL TO THE LENGTH OF A JUSTIFIED LINE, VARIABLY SETTABLE DIFFERENTIAL COUPLING MEANS CONNECTED TO SAID SCANNING MEANS AND SAID COPY SUPPORT IN CONTINUOUS AND SYNCHRONOUS DRIVING RELATIONSHIP CAPABLE OF DIFFERENTIALLY AND CONTINUOUSLY MOVING SAID COPY SUPPORT A LIMITED DISTANCE IN DIRECT RESPONSE TO MOVEMENT TO SAID SCANNING MEANS OVER SAID DETERMIN ABLE DISTANCE, AND CONTROL MEANS OPERATIVELY CONNECTED TO SAID COUPLING MEANS FOR DETERMINING THE AMOUNT OF SAID LIMITED DISTANCE MOVEMENT OF SAID COPY SUPPORT TO BE EQUAL TO THE DIFFERENCE IN LENGTH, IF ANY, BETWEEN A LINE OF COPY BEING SCANNED AND THE LENGTH OF A JUSTIFIED LINE, AND FOR SIMULTANEOUSLY SETTING SAID COUPLING MEANS TO CAUSE SAID COUPLING MEANS TO UNIFORMLY MOVE SAID COPY SUPPORT OVER SAID LIMITED DISTANCE, IF ANY, WHILE SAID SCANNING MEANS TRAVELS SAID DETERMINABLE DISTANCE, SAID COUPLING MEANS, WHEN THUS SET BY SAID CONTROL MEANS IN RESPONSE TO SAID DETERMINATION, MOVING SAID COPY SUPPORT MEANS CONTINUOUSLY SAID DETERMINED LIMITED DISTANCE WHICH IS EQUAL TO THE AMOUNT, IF ANY, BY WHICH THE IMAGE OF A LINE OF COPY BEING SCANNED WILL BE PRODUCED IN UNIFORMLY EXPANDED OR CONTRACTED FORM AS A JUSTIFIED IMAGE ON A LIGHT RECEIVING MEDIUM AS SAID SCANNING MEANS TRAVELS THE DETERMINABLE DISTANCE EQUAL TO THE LENGTH OF A JUSTIFIED LINE.