Means preventing simultaneous operation of carriage return and any other carriage control function

Claim 1

A CARRIAGE RETURN CONTROL ARRANGEMENT, COMPRISING, IN COMBINATION, CARRIAGE RETURN MEANS HAVING AN INOPERATIVE CONDITION AND AN OPERATIVE CONDITION FOR MOVING A CARRIAGE MEANS IN A RETURN DIRECTION; MEANS PERMANENTLY URGING SAID CARRIAGE RETURN MEANS TO MOVE FROM SAID OPERATIVE TO SAID INOPERATIVE CONDITION THEREOF; MANUALLY CONTROLLED MEANS FOR PLACING SAID CARRIAGE RETURN MEANS FROM SAID INOPERATIVE INTO SAID OPERATIVE CONDITION THEREOF; LOCKING MEANS HAVING A LOCKING CONDITION FOR LOCKING SAID CARRIAGE RETURN MEANS IN SAID OPERATIVE CONDITION, AND A RELEASING CONDITION IN WHICH SAID CARRIAGE RETURN MEANS ASSUMES UNDER THE ACTION OF SAID URGING MEANS SAID INOPERATIVE CONDITION THEREOF; A PLURALITY OF INDEPENDENTLY OPERABLE CARRIAGE CONTROL MEANS EACH MOVABLE BETWEEN AN INOPERATIVE POSITION AND AN OPERATIVE POSITION FOR ENGAGING THE CARRIAGE MEANS SO THAT RETURN MOVEMENT OF SAID CARRIAGE IS IMPEDED; AND MEANS OPERATIVELY CONNECTING EACH OF SAID CARRIAGE CONTROL MEANS WITH SAID LOCKING MEANS TO PLACE THE SAME IN SAID RELEASING CONDITION WHEN THE RESPECTIVE CARRIAGE CONTROL MEANS IS MOVED TO SAID OPERATIVE POSITION THEREOF ENGAGING SAID CARRIAGE MEANS WHEREBY SAID CARRIAGE RETURN MEANS IS MOVED BY SAID URGING MEANS INTO SAID INOPERATIVE CONDITION THEREOF, SO THAT SAID CARRIAGE MEANS IS NOT DRIVEN BY SAID CARRIAGE RETURN MEANS WHILE ENGAGED BY SAID CARRIAGE CONTROL MEANS.