Apparatus for manufacturing font plates for phototypographical machines

Claim 1

APPARATUS FOR MANUFACTURING, FOR USE IN A PHOTOTYPESETTING MACHINE, A FONT PLATE HAVING A COMPLETE FONT OF TYPOGRAPHICAL CHARACTERS FORMED THEREON, SAID APPARATUS COMPRISING A PLATE HOLDER FOR SUPPORTING A SENSITIZED PLATE IN A PHOTOGRAPHIC POSITION, A LENS FOR PROJECTING AN IMAGE OF A FONT OF CHARACTERS ONTO A PLATE SUPPORTED BY SAID PLATE HOLDER, MEANS FOR ADJUSTING THE LENS RELATIVE TO THE PLATE HOLDER IN A PLANE PARALLEL THERETO FOR ADJUSTABLY LOCATING THE FONT IMAGE ON A SENSITIZED PLATE, A COPYBOARD COMPRISING A PLURALITY OF MEANS FOR SUPPORTING INDIVIDUAL CHARACTER PLAQUES EQUAL IN NUMBER TO THE NUMBER OF CHARACTERS THAT GO TO MAKE UP A COMPLETE FONT OF CHARACTERS, EACH SUPPORTING MEANS BEING ADAPTED TO ADJUSTABLY POSITION A PLAQUE SUPPORTED THEREBY, AND ILLUMINATION MEANS FOR ILLUMINATING PLAQUES THAT MAY BE MOUNTED ON SAID COPYBOARD SO AS TO PROJECT SIMULTANEOUSLY AN IMAGE OF ALL OF THE PLAQUE CHARACTERS TO THE SENSITIVED SURFACE OF A PLATE SUPPORTED IN SAID PLATE HOLDER.