Coil spring clutch with centrifugal operator

Claim 1

A CENTRIFUGALLY OPERABLE CLUTCH MECHANISM COMPRISING AN INPUT SHAFT AND A COAXIAL OUTPUT SHAFT HAVING THE SAME DIAMETER, A WRAP COIL SPRING CLUTCH ELEMENT COAXIALLY ENCIRCLING SAID SHAFTS AND HAVING A NORMAL DIAMETER LESS THAN THE DIAMETER OF SAID SHAFTS AND ATTACHED AT ONE END TO SAID INPUT SHAFT, A COLLAR ON SAID INPUT SHAFT, AN ANNULAR DISC SECURED TO SAID COLLAR COAXIALLY OF SAID SHAFTS AND IN PROXIMITY TO THE OTHER END OF SAID COIL SPRING, A STUD SECURED TO SAID DISC WHOSE AXIS IS PARALLEL TO SAID SHAFT AXIS, A CENTRIFUGAL ACTUATOR COMPRISING AN ARCUATELY SHAPED LEVER PIVOTALLY MOUNTED ON SAID SHAFT AND ADAPTED TO MOVE RADIALLY OUTWARDLY IN RESPONSE TO THE ATTAINMENT OF A PREDETERMINED SPEED BY SAID INPUT SHAFT, SAID LEVER HAVING AN OFFSET ARM POSITIONED IN THE PATH OF THE TERMINAL END OF THE LAST COIL OF THE UNSECURED END OF SAID COIL, AND A TENSION SPRING SECURED TO SAID DISC AND TO THE EXTREMITY OF SAID LEVER REMOVED FROM ITS PIVOT FOR ROTATIVELY BIASING SAID LEVER IN A RADIALLY INWARD DIRECTION WHEREBY SAID OFFSET ARM ACTS ON SAID COIL END TO NORMALLY MAINTAIN SAID SPRING EXPANDED AND UNWRAPPED FROM SAID OUTPUT SHAFT AND WHEREBY WHEN THE INPUT SHAFT ATTAINS SAID PREDETERMINED SPEED THE RADIALLY OUTWARD MOVEMENT OF THE LEVER AGAINST THE FORCE OF SAID TENSION SPRING WILL MOVE SAID ARM AWAY FROM SAID END COIL PERMITTING THE COIL SPRING TO CONTRACT AND FRICTIONALLY GRIP SAID OUTPUT SHAFT THEREBY COUPLING SAID INPUT AND OUTPUT SHAFTS.