Projection device

Claim 1

APPARATUS TO PROCESS AND PROJECT INDIVIDUAL FLAT XEROGRAPHIC PLATES COMPRISING, IN COMBINATION, A CABINET TO SUPPORT AND ENCLOSE ELEMENTS OF THE APPARATUS, A VERTICALLY INCLINED CHUTE ADAPTED TO RETAIN A PLURALITY OF FLAT XEROGRAPHIC PLATES GRAVITATIONALLY DESCENDED ONE BEHIND THE OTHER, AN ESCAPEMENT MECHANISM SUPPORTED BELOW SAID CHUTE ADAPTED TO ARREST THE LOWERMOST OF THE PLATES ON SAID CHUTE AND RELEASE ONE PLATE AT A TIME THEREFROM, FIRST DRIVE MEANS ADAPTED TO RECEIVE A PLATE RELEASED BY SAID ESCAPEMENT MECHANISM AND TO ADVANCE THE PLATE AT A UNIFORM SPEED FOR A PREDETERMINED DISTANCE AND THEREAFTER RELEASE THE PLATE, A STATIONARY CORONA DISCHARGE ELECTRODE SUPPORTED OVERLYING THE PLATE PATH EFFECTED BY SAID FIRST DRIVE MEANS AND ADAPTED TO ELECTROSTATICALLY CHARGE A PLATE SURFACE WHILE BEING ADVANCED BY SAID DRIVE MEANS, ROTATABLE FIRST PLATE SUPPORT MEANS ADAPTED TO RECEIVE AND RETAIN A PLATE RELEASED BY SAID DRIVE MEANS, EXPOSURE MEANS POSITIONED AND ADAPTED TO EXPOSE A PATTERN OF LIGHT AND SHADOW TO A PLATE ON SAID SUPPORT MEANS, DEVELOPING MEANS DISPOSED ABOVE SAID SUPPORT MEANS AND ADAPTED TO FLOW ELECTROSCOPIC DEVELOPER POWDER OVER A PLATE ON SAID SUPPORT MEANS, SECOND PLATE SUPPORT MEANS VERTICALLY INCLINED AND ARRANGED IN THE ROTATABLE PATH OF SAID FIRST RECITED SUPPORT MEANS, MEANS OPERABLE TO ROTATE SAID FIRST SUPPORT MEANS WHEREBY A PLATE AFTER DEVELOPMENT THEREOF DESCENDS GRAVITATIONALLY FROM SAID FIRST SUPPORT MEANS TO SAID SECOND SUPPORT MEANS, PROJECTION MEANS POSITIONED TO PROJECT THE DEVELOPED IMAGE FROM A PLATE SUPPORTED ON SAID SECOND SUPPORT MEANS ONTO A RECEIVING MEMBER, MEANS ASSOCIATED WITH SAID SECOND SUPPORT MEANS TO ARREST A PLATE DESCENDING THEREON AT ITS PROJECTION POSITION AND OPERATIVE AFTER PROJECTION TO PERMIT THE PLATE TO DESCEND THEREFROM, AND CONVEYING MEANS DISPOSED BENEATH SAID SECOND SUPPORT MEANS TO DISCHARGE FROM SAID APPARATUS A PLATE DESCENDED FROM SAID SECOND SUPPORT MEANS.