Means for indicating the end of operation of a machine

Claim 1

IN A MACHINE HAVING DRIVING MEANS FOR PROVIDING OPERATION OF SAID MACHINE, AND CONTROL MEANS FOR STARTING AND TERMINATING OPERATION OF SAID DRIVING MEANS: (A) A SHAFT DRIVEN BY SAID DRIVING MEANS, SAID MACHINE BEING FORMED TO EFFECT RELATIVELY RAPID ACCELERATION OF SAID SHAFT WHEN OPERATION OF SAID DRIVING MEANS STARTS AND RELATIVELY RAPID STOPPING OF SAID SHAFT WHEN OPERATING OF SAID DRIVING MEANS IS TERMINATED; (B) A ROTATABLY MOUNTED MEMBER INCLUDING A STRIKER; (C) LOW FRICTION BEARING MEANS MOUNTING SAID MEMBER ON SAID SHAFT WHEREBY SAID MEMBER ACCELERATES RELATIVELY SLOWLY UPON ROTATION OF SAID SHAFT AND DECELERATES RELATIVELY SLOWLY UPON STOPPING OF SAID SHAFT; (D) A MOVEABLE ASSEMBLY MOUNTED TO SAID SHAFT FOR ROTATION THEREWITH SAID ASSEMBLY INCLUDING A CLAPPER AND A COUNTERWEIGHT; (E) AND BIASING MEANS BIASING SAID ASSEMBLY TO A FIRST POSITION WHEREIN SAID CLAPPER AND SAID STRIKER IMPACT EACH OTHER TO PRODUCE AN AUDIBLE SIGNAL DURING RELATIVE ROTATION OF SAID ASSEMBLY AND SAID ROTATABLY MOUNTED MEMBER; (F) SAID COUNTERWEIGHT CAUSING THE ASSEMBLY TO MOVE TO A SECOND POSITION IN RESPONSE TO CENTRIFUGAL FORCE DURING ROTATION OF SAID ASSEMBLY, SAID SECOND POSITION OF SAID ASSEMBLY MOVING SAID CLAPPER TO A POSITION WHEREIN IT DOES NOT IMPACT SAID STRIKER DURING RELATIVE ROTATION OF SAID ASSEMBLY AND SAID ROTATABLY MOUNTED MEMBER.