Single axis tracer mechanism

Claim 1

IN A SINGLE AXIS TRACER, CASING MEANS, SUPPORT MEANS IN SAID CASING MEANS, FLEXIBLE ROD MEANS POSITIONED IN SAID SUPPORT MEANS AND EXTENDING BEYOND SAID CASING, A FEELER CONNECTED TO THE END OF SAID FLEXIBLE ROD, LINKAGE MEANS CONNECTED TO SAID ROD MEANS AND EXTENDING THROUGH AN APERTURE IN SAID SUPPORT MEANS CONNECTED AT ONE EXTREMITY TO SAID ROD MEANS AND EXTENDING ALONG ITS OTHER EXTREMITY THROUGH SAID SUPPORT MEANS, AN INVERTED CONE MEMBER CONNECTED TO THE FREE EXTREMITY OF SAID LINKAGE, A SECOND INVERTED CONE MEMBER, BALL MEANS POSITIONED BETWEEN SAID INVERTED CONE MEMBERS AND ADAPTED TO COOPERATE WITH SAID CONE MEMBERS TO TRANSMIT SIDEWISE MOVEMENT TO LONGITUDINAL MOVEMENT, A PAIR OF DISC TYPE SPRING SUSPENSION MEANS CONNECTED TO SAID CASING AND MOUNTING SAID SECOND CONE MEMBER FOR CENTERING AND POSITIONING SAID SECOND CONE MEMBER RELATIVE TO SAID BALL MEANS, A ROD ATTACHED TO SAID SECOND CONE MEMBER, A MULTI-PART SIGNALLING MEANS SAID ROD MOUNTING ONE OF SAID PARTS OF SAID SIGNALLING MEANS AND EXTENDING THROUGH ANOTHER OF SAID PARTS, LEVER MEANS, SWITCH MEANS MOUNTED ON SAID CASING AND ADAPTED TO COOPERATE WITH THE EXTREMITY OF SAID LEVER MEANS FOR OPERATION THEREBY, A FIRST ADJUSTABLE PIVOT MEANS MOUNTED ON SAID CASING AND CONTACTING SAID LEVER ON ONE SURFACE, A SECOND ADJUSTABLE PIVOT MEANS MOUNTED ON SAID CASING AND CONTACTING SAID LEVER ON THE OPPOSITE SURFACE, CONNECTION MEANS MOUNTED ON SAID ROD AND CONNECTED TO SAID LEVER INTERMEDIATE SAID PIVOTS, SAID PIVOTS BEING SO POSITIONED THAT PREDETERMINED MOVEMENT OF SAID ROD FROM A PREDETERMINED POSITION IN EITHER DIRECTION ALONG THE AXIS OF SAID ROD WILL PIVOT SAID LEVER SELECTIVELY ABOUT SAID PIVOTS AWAY FROM SAID SWITCH TO OPERATE SAID SWITCH, AND BIASING MEANS URGING SAID LEVER TOWARDS THE SWITCH.