Rotary selectively printing duplicator

Claim 1

IN A ROTARY SELECTIVELY PRINTING DUPLICATOR, IN COMBINATION, A ROTARY PRINTING ROLLER COMPRISING HOLDING MEANS FOR HOLDING IN A PREDETERMINED POSITION ON SAID PRINTING ROLLER A PRINTING FORM HAVING A PLURALITY OF PRINTING LINES THEREON AND AT LEAST ONE INDEX MEANS IN PREDETERMINED RELATION TO A SELECTED ONE OF SAID PRINTING LINES; PRESSURE MEANS COOPERATING WITH SAID PRINTING ROLLER AND MOUNTED MOVABLY TO AND FROM A PRINTING POSITION OPPOSITE SAID PRINTING ROLLER; ELECTROMAGNETIC MEANS FOR MOVING, WHEN ENERGIZED, SAID PRESSURE MEANS TO SAID PRINTING POSITION; PICKUP MEANS ARRANGED FOR DERIVING A SIGNAL FROM SAID INDEX MEANS WHENEVER THE LATTER PASSES, DURING ROTATION OF SAID PRINTING ROLLER, THROUGH THE PICKUP AREA OF SAID PICKUP MEANS; IMPULSE GENERATOR MEANS OPERATIVELY CONNECTED WITH SAID PRINTING ROLLER FOR DELIVERING AT LEAST ONE CONTROL PULSE EVERY TIME WHEN DURING ROTATION OF SAID PRINTING ROLLER ONE OF SAID PRINTING LINES PASSES THROUGH A PREDETERMINED LOCATION; SHIFT REGISTER MEANS HAVING A PLURALITY OF BISTABLE STORAGE ELEMENTS RESPECTIVELY ASSOCIATED WITH SAID PRINTING LINES, EACH OF SAID STORAGE ELEMENTS BEING CHANGEABLE BETWEEN A SIGNAL STORING CONDITION AND A NON-STORING CONDITION BY APPLICATION OF PULSES OF PREDETERMINED CHARACTERISTIC, ONE OF SAID STORAGE ELEMENTS BEING CONNECTED WITH SAID PICKUP MEANS FOR RECEIVING THEREFROM SAID SIGNAL AS A SIGNAL-STORING PULSE, SAID SHIFT REGISTER MEANS HAVING AN INPUT TERMINAL CONNECTED WITH SAID IMPULSE GENERATOR MEANS FOR RECEIVING THEREFROM SAID CONTROL PULSES AS SHIFT PULSES IN SYNCHRONISM WITH THE ROTATION OF SAID PRINTING ROLLER, AND HAVING AN OUTPUT TERMINAL FOR FURNISHING AN OUTPUT PULSE WHENEVER A SIGNAL STORED IN THE STORAGE ELEMENT NEXT TO SAID OUTPUT TERMINAL IS SHIFTED TO THE LATTER UNDER THE ACTION OF A SHIFT PULSE APPLIED TO SAID REGISTER MEANS; AND MEANS FOR TRANSMITTING SAID CONTROL PULSES, UNDER CONTROL OF SAID OUTPUT PULSE, TO SAID ELECTROMAGNETIC MEANS FOR ENERGIZING THE LATTER, WHEREBY SAID SELECTED ONE OF SAID PRINTING LINES IS PRINTED BY THE MOVEMENT OF THE PRESSURE ROLLER INTO PRINTING POSITION IN RESPONSE TO SAID SHIFT IMPULSE COINCIDING WITH THE PASSING OF SAID SELECTED PRINTING LINE THROUGH A PREDETERMINED LOCATION, AND TO ONE OF SAID OUTPUT PULSES CORRESPONDING TO A SIGNAL DERIVED FROM THE PICKUP OF THE INDEX MEANS CORRESPONDING TO SAID SELECTED PRINTING LINE.