Tape controlled typewriter

Claim 1

A MECHANISM OPERABLE IN RESPONSE TO THE SENSING OF HOLES IN A PUNCHED RECORD FOR EFFECTING OPERATION OF A TYPEWRITER TO PRINT CHARACTERS CORRESPONDING TO THE COMBINATIONS OF HOLES SENSED COMPRISING, IN COMBINATION: A PRINT HEAD HAVING CHARACTERS FORMED ON ITS SURFACE, A PLURALITY OF MEMBERS MOVABLE EITHER SINGLY OR IN COMBINATION FOR EFFECTING OPERATION OF SAID PRINT HEAD TO MOVE CHARACTERS SELECTIVELY INTO PRINTING POSITION, A CONTROL ELEMENT COOPERATING WITH EACH OF SAID MEMBERS AND SHIFTABLE BETWEEN INACTIVE AND ACTIVE POSITIONS, A SET OF SLIDES, ONE FOR EACH OF SAID CONTROL ELEMENTS, MOVABLE FROM A HOME POSITION TO AN OPERATING POSITION, MEANS ACTUATED ON MOVEMENT OF SAID SLIDES TO OPERATING POSITIONS FOR SHIFTING SAID CONTROL ELEMENTS FROM INACTIVE TO ACTIVE POSITIONS, A PLURALITY OF CONTROL MEMBERS COOPERATING WITH SAID SLIDES AT DIFFERENT POINTS CORRESPONDING TO DIFFERENT CHARACTERS, ELEMENTS FOR SENSING HOLES IN SAID RECORD, MEANS OPERATING ON THE SENSING OF HOLES REPRESENTATIVE OF ANY CHARACTER FOR MOVING THE ONE OF SAID CONTROL MEMBERS AT THE CORRESPONDING CHARACTER POSITION INTO AN OPERATIVE POSITION FOR CONTROLLING SAID SLIDES, EACH OF SAID CONTROL MEMBERS ACTING WHEN IN AN OPERATIVE POSITION TO HOLE ONE OR MORE OF SAID SLIDES, MEANS OPERATING AFTER MOVEMENT OF ONE OF SAID CONTROL MEMBERS TO ITS OPERATIVE POSITION FOR MOVING ALL OF SAID SLIDES NOT HELD THEREBY TO THEIR OPERATING POSITIONS, MEANS OPERATING AFTER SAID SLIDES HAVE BEEN MOVED FOR ENGAGING SAID CONTROL ELEMENTS IN ACTIVE POSITIONS WITH SAID MOVABLE PRINT HEAD OPERATING MEMBERS TO ACTUATE THE LATTER, SAID LAST-NAMED MEANS COMPRISING: A BAR MOVABLE LONGITUDINALLY IN A PLANE INCLUDING SAID PRING HEAD OPERATING MEMBERS, MEANS MOUNTING SAID CONTROL ELEMENTS ON SAID BAR FOR MOVEMENT BETWEEN INACTIVE AND ACTIVE POSITIONS RELATIVE TO SAID PRINT HEAD OPERATING MEMBERS, AND SAID MEANS FOR ENGAGING SAID CONTROL ELEMENTS WITH SAID MOVABLE PRINT HEAD OPERATING MEMBERS COMPRISING A CAM OPERABLE TO EFFECT A RECIPROCATION OF SAID BAR, A CONTINUOUSLY DRIVEN POWER SHAFT, MEANS INCLUDING A MAGNETIC CLUTCH WHICH OPERATES WHEN ENERGIZED TO DRIVE SAID CAM FROM SAID POWER SHAFT FOR EFFECTING A SINGLE RECIPROCATION OF SAID BAR, AND MEANS FOR ENERGIZING SAID CLUTCH AFTER SAID SLIDES HAVE BEEN MOVED TO THEIR OPERATING POSITIONS.