Needle positioner for a sewing machine

Claim 1

IN A SEWING MACHINE, STITCHING MECHANISMS HAVING A NEEDLE WHICH ENTERS AND IS WITHDRAWN FROM WORK DURING SUCCESSIVE STITCHING CYCLES, A MAIN DRIVE OPERATIVELY CONNECTED TO NORMALLY POWER SAID STICHING MECHANISMS INCLUDING A DRIVING MEANS AND A DRIVEN MEMBER SELECTIVELY COUPLED IN DRIVING RELATION TO EACH OTHER ONLY DURING OPERATION OF SAID DRIVING MEANS ABOVE A PREDETERMINED LOW ROTATIONAL SPEED, A MANUALLY OPERATED CONTROL, AND A NEEDLE POSITIONER OPERATIVELY CONNECTED TO ALTERNATIVELY DRIVE SAID DRIVEN MEMBER TO POWER SAID STITCHING MECHANISMS DURING SAID LOW SPEED OF ROTATION OF SAID DRIVING MEANS OF SAID MAIN DRIVE FOR MOVING SAID NEEDLE INTO A PREDETERMINED NUMBER OF ORIENTED NEEDLE POSITIONS RELATIVE TO SAID WORK, SAID NEEDLE POSITIONER INCLUDING PLURAL AUXILIARY DRIVEN MEANS ON SAID DRIVEN MEMBER OF SAID MAIN DRIVE IN A NUMBER CORRESPONDING TO SAID PREDETERMINED NUMBER OF ORIENTED NEEDLE POSITIONS, AN AUXILIARY DRIVE INCLUDING AN AUXILIARY DRIVING MEMBER MOVABLE INTO A POSITION ADJACENT TO ONE OF SAID AUXILIARY DRIVEN MEANS AND INTO AND OUT OF DRIVING RELATION TO SAID AUXILIARY DRIVEN MEANS, SAID AUXILIARY DRIVING MEMBER AND SAID AUXILIARY DRIVEN MEANS COOPERATING IN ONE POSITION RELATIVE TO EACH OTHER TO ESTABLISH AN ORIENTED NEEDLE POSITION FOR SAID NEEDLE, AND MEANS RESPONSIVE TO SAID PREDETERMINED LOW SPEED OF ROTATION OF SAID DRIVING MEANS OF SAID MAIN DRIVE AND TO ACTUATION OF SAID MANUALLY OPERATED CONTROL FOR MOVING SAID AUXILIARY DRIVING MEMBER INTO A POSITION ADJACENT ONE OF SAID AUXILIARY DRIVEN MEANS AND INTO DRIVING RELATION THEREWITH.