Automatic carriage controlled line space setting device for typewriters

Claim 1

TYPEWRITER APPARATUS HAVING A FRAME, A CARRIAGE MOUNTED FOR MOVEMENT RELATIVE TO SAID FRAME BETWEEN LEFT AND RIGHT LIMITS, A PLATEN ROTATBLY MOUNTED ON SAID CARRIAGE, A RATCHET SECURED TO SAID PLATEN, PAWL MEANS OPERABLE THROUGH A PREDETERMINED STROKE UPON INITAIATION OF A CARRIAGE RETURN MOVEMENT ADAPTED TO ENGAGE AND ROTATE SAID RATCHET, ADJUSTABLE MEANS NORMALLY ENABLING ENGAGEMENT OF SAID PAWL MEANS WITH SAID RATCHET OVER A PORTION ONLY OF ITS OPERATIVE STROKE WHEREBY A SINGLE INCREMENTAL MOVEMENT IS EFFECTED, AND FRAME MOUNTED MEANS POSITIONED IN THE PATH SAID CARRIAGE OPERATIVE ON SAID ADJUSTABLE MEANS UPON MOVEMENT OF THE CARRIAGE TO ITS LEFT LIMIT WHEREBY SAID PAWL MEANS IS ENABLING TO ENGAGE SAID RATCHET OVER A GREATER PORTION OF ITS OPERATIVE STROKE WHEREBY MULTIPLE INCREMENTAL MOVEMENTS IS EFFECTED IN RESPONSE TO CARRIAGE RETURN OPERATIONS INITIATED WHILE SAID CARRIAGE IS AT ITS LEFT LIMIT POSITION.