Eickhoff

Claim 1

IN A COIN-OPERATED TIMING MECHANISM, MEANS FOR DRIVING THE SHAFT OF A TIMING DEVICE, COMPRISING A COIN SLIDE WHICH IS MOUNTED FOR LINEAR MOVEMENT ADJACENT THE END OF SAID SHAFT, PERPENDICULAR TO THE LONGITUDINAL AXIS THEREOF, SAID COIN SLIDE HAVING A PAIR OF ROLLERS MOUNTED THEREON ON OPPOSITE SIDES OF SAID SHAFT, ONE OF SAID ROLLERS BEING FORWARD OF THE OTHER, A COLLAR SECURED TO SAID SHAFT, A PIN CONNECTED TO SAID COLLAR AND PROJECTING RADIALLY THEREFORM, A PLATE ROTATABLY MOUNTED ON SAID COLLAR, THE AXIS OF ROTATION OF SAID PLATE COINCIDING WITH THE LONGITUDINAL AXIS OF THE SHAFT, A PAIR OF ANGULARLY SPACED ARMS PROJECTING RADIALLY FROM SAID PLATE, AN ADJUSTABLE SCREW MOUNTED ON ONE OF SAID ARMS FOR ENGAGEMENT WITH SAID PIN, A SPRING MOUNTED BETWEEN SAID COLLAR AND SAID PLATE AND BIASED TO URGE SAID SCREW AND SAID PIN INTO AND MAINTAIN THEM IN ENGAGEMENT WITH EACH OTHER, SAID ARMS BEING SO POSITIONED ON SAID COLLAR AS TO BE ENGAGEABLE BY SAID ROLLERS ON THE COIN SLIDE, IN SUCH SEQUENCE THAT WHEN THE COIN SLIDE IS MOVED IN ONE DIRECTION ACROSS THE END OF SAID SHAFT ONE OF SAID ROLLERS ENGAGES ONE OF SAID ARMS AND DRIVES IT ANGULARLY ABOUT THE AXIS OF THE SHAFT, THEREBY DRIVING SAID SHAFT IN THE SAME ANGULAR DIRECTION BY REASON OF THE ENGAGEMENT OF SAID SCREW WITH SAID PIN ON SAID COLLAR, AND WHEN THE COIN SLIDE IS THEN MOVED IN THE OPPOSITE DIRECTION ACROSS THE END OF SAID SHAFT THE SECOND ROLLER ENGAGES THE SECOND ARM AND DRIVES IT ANGULARLY ABOUT THE AXIS OF SAID SHAFT, IN THE SAME ANGULAR DIRECTION AS THE FIRST ARM WAS DRIVEN BY THE FIRST ROLLER, THEREBY FURTHER ROTATING THE SHAFT THROUGH SAID SCREW, PIN AND COLLAR, TO A PRE-DETERMINED ANGULAR POSITION RELATIVE TO ITS STARTING POSITION.