Wire depletion control for wire twisting apparatus

Claim 1

IN A WIRE TWISTING APPARATUS HAVING: STATIONARY MEANS FOR SUPPORTING A PAIR OF REELS OF WIRE CONCENTRIC WITH A HORIZONTAL AXIS; A FLYER ROTATABLE ABOUT THE REELS AND SAID REEL SUPPORTING MEANS FOR GUIDING THE WIRES FROM THE REELS THROUGH A PREDETERMINED PATH AND TWISTING THEM ABOUT A VERTICAL AXIS; MEANS FOR SUPPORTING SAID FLYER FOR ROTATION ABOUT SAID VERTICAL AXIS; DRIVE MEANS FOR ROTATING SAID FLYER AND FOR ADVANCING THE WIRES; THE COMBINATION THEREWITH OF A WIRE DEPLETION CONTROL COMPRISING AN ACTUATING ROD MOUNTED ON SAID FLYER COINCIDENT WITH SAID VERTICAL AXIS FOR ROTATION WITH SAID FLYER AND FOR LIMITED VERTICAL MOVEMENT RELATIVE THERETO AND HAVING A PASSAGEWAY FOR GUIDING THE TWISTED WIRE UPWARDLY ALONG SAID AXIS FROM A POSITION WITHIN THE PATH OF ROTATION OF SAID FLYER TO A POSITION OUTSIDE OF SUCH PATH; SENSING MEMBERS INDIVIDUAL TO SAID REELS PIVOTALLY MOUNTED ON SAID REEL SUPPORTING MEANS WITHIN SUCH PATH OF SAID FLYER AND BIASED INTO ENGAGEMENT WITH THE WIRE ON THE REELS; MEANS MOUNTED ON SAID STATIONARY MEANS WITHIN THE PATH OF SAID FLYER AND RESPONSIVE TO THE UNWINDING OF THE WIRE FROM EITHER ONE OF THE REELS TO A CONDITION APPROACHING DEPLETION AND THE MOVEMENT OF THE SENSING MEMBER ASSOCIATED THEREWITH TO A PREDETERMINED POSITION FOR RAISING SAID ACTUATING ROD TO A PREDETERMINED UPPER POSITION; AND MEANS MOUNTED ON THE OUTSIDE OF THE PATH OF SAID FLYER AND RESPONSIVE TO THE MOVEMENT OF SAID ACTUATING ROD TO SAID UPPER POSITION FOR RENDERING SAID DRIVE MEANS UNOPERATIVE.