Selective printing arrangements for rotary printing or duplicating machines

Claim 1

A ROTARY PRINTING OR DUPLICATING MACHINE WHICH COMPRISES A ROTATABLE DRUM, IMAGE SECURING MEANS ON SAID DRUM FOR SECURING AROUND THE PERIPHERAL SURFACE OF SUCH DRUM A PRINTING IMAGE HAVING A PLURALITY OF JUXTAPOSED TEXT LINES OR SIMILAR IMAGE ZONES OF PREDETERMINED AND EQUAL UNIT DEPTH AND EACH EXTENDING PARALLEL WITH THE DRUM AXIS, EACH OF SAID TEXT LINE ZONES BEING IN REGISTER WITH A RELATED PREDETERMINED AREA OF THE DRUM SURFACE, A COUNTERPRESSURE ROLLER CO-OPERATING WITH SAID DRUM AND ROTATABLE ABOUT AN AXIS PARALLEL WITH THAT OF SUCH DRUM FOR IMPRESSING A COPY SHEET AGAINST SAID PRINTING IMAGE AT THE PRINTING BIGHT BETWEEN SAID DRUM AND ROLLER, AT LEAST A PART OF THE PERIPHERAL SURFACE OF SAID COUNTERPRESSURE ROLLER BEING SUBDIVIDED INTO A PLURALITY OF SEPARATE PRESSURE SEGMENTS, EACH OF SAID SEGMENTS BEING IMMOVABLE CIRCUMFERENTIALLY WITH RESPECT TO THE REMAINDER OF SAID ROLLER AND EXTENDING AXIALLY OF SAID ROLLER FOR A DISTANCE AT LEAST EQUAL TO THE MAXIMUM WIDTH OF A COPY SHEET AND HAVING A COMMON CIRCUMFERENTIAL WIDTH EQUAL TO SAID UNIT DEPTH DIMENSION OF SAID PRINTING IMAGE TEXT LINE ZONES, MEANS MOUNTING EACH OF SAID PRESSURE SEGMENTS FOR INDIVIDUAL MOVEMENT BODILY IN A RADIAL DIRECTION WITH RESPECT TO THE AXIS OF SAID ROLLER BETWEEN AN INWARD, INOPERATIVE, POSITION WHERE THE OUTWARD FACING SURFACE THEREOF IS SPACED FROM SAID PERIPHERAL DRUM SURFACE AND SAID PRINTING IMAGE WHILE PASSING THROUGH SAID BIGHT AND AN OUTWARD IMPRESSION-PRODUCING, POSITION WHERE SAID OUTWARD FACING SURFACE WILL IMPRESS SAID COPY SHEET AGAINST SAID PRINTING IMAGE WHILE PASSING THROUGH SAID BIGHT, GEAR MEANS PROVIDING GEARED DRIVING CONNECTION BETWEEN SAID DRUM AND SAID ROLLER AT LEAST DURING THAT PART OF EACH REVOLUTION OF SAID DRUM WHEN ANY ONE OF SAID TEXT LINE ZONES IS PASSING THROUGH THE PRINTING BIGHT, SAID GEARED DRIVING CONNECTION PROVIDING REGISTRATION OF THE OUTWARDLY FACING SURFACES OF EACH PRESSURE SEGMENT WITH A DIFFERENT ONE OF SAID TEXT LINE ZONES WHILE PASSING THROUGH THE PRINTING BIGHT AND PRESELECTION MEANS FOR EFFECTING THE INDIVIDUAL POSITIONING OF EACH OF SAID PRESSURE SEGMENTS IN EITHER ITS OUTWARD OR ITS INWARD POSITION WHILE PASSING THROUGH SAID PRINTING BIGHT IN ACCORDANCE WITH THE REQUIRED PATTERN OF TEXT LINE ZONE SELECTION FROM SAID PRINTING IMAGE, SAID PRESELECTION CONTROL MEANS INCLUDING A PLURALITY OF FIRST MEMBERS, ONE FOR EACH OF SAID IMAGE ZONES OF SAID PRINTING IMAGE, MOUNTED ON SAID DRUM AT ANGULARLY SPACED POSITIONS RELATED RESPECTIVELY TO SAID DIFFERENT IMAGE ZONES AND A PLURALITY OF SECOND MEMBERS, ONE ON EACH OF SAID PRESSURE SEGMENTS OF SAID COUNTERPRESSURE ROLLER, EACH OF SAID FIRST MEMBERS WHEN RENDERED EFFECTIVE BY PRESELECTION TO POSITION A RELATED PRESSURE SEGMENT IN ITS OUTWARD POSITION BEING OPERATIVE UPON ONE OF SAID SECOND MEMBERS TO CAUSE RADIALLY OUTWARD MOVEMENT OF THE ASSOCIATED PRESSURE SEGMENT WHILE SAID SEGMENT IS LOCATED IN THE PRINTING BIGHT.