Electrostatic printing apparatus

Claim 1

IN AN ELECTROSTATIC PRINTING APPARATUS FOR REPRODUCING A PROJECTED IMAGE ON A MASTER SHEET COMPRISING, IN COMBINATION, A HOUSING; PROJECTION MEANS HAVING AN OPTICAL AXIS EXTENDING IN A PREDETERMINED DIRECTION AND HAVING A PROJECTION PLANE ARRANGED WITHIN SAID HOUSING NOR MAL TO SAID OPTICAL AXIS OF SAID PROJECTION MEANS; TRANSPORTING MEANS LOCATED IN SAID HOUSING FOR TRANSPORTING A MASTER SHEET ALONG A PATH INCLUDING A PROJECTION PATH PORTION LOCATED IN SAID PROJECTION PLANE, AN ELECTROSTATIC CHARGING PATH PORTION AND A POWDER PATH PORTION, SAID TRANSPORTING MEANS BEING CONSTRUCTED AND ARRANGED IN SUCH A MANNER THAT SAID PATH EXTENDS PARTLY IN SAID PORJECTION PLANE AND PARTLY IN A DIRECTION TRANSVERSAL THERETO, LOCATED ON THE SAME SIDE OF SAID PROJECTION PLANE AS SAID PROJECTION MEANS AND EXTENDING IN THE REGION ADJACENT THERETO; ELECTROSTATIC CHARGING MEANS ARRANGED WITHIN SAID HOUSING ALONG SAID ELECTROSTATIC CHARGING PATH PORTION; AND POWDER APPLYING MEANS ARRANGED WITHIN SAID CASING IN SAID POWDER PATH PORTION.