Wheel alinement apparatus

Claim 1

IN APPARATUS FOR DETERMINING THE TOE OF THE FRONT WHEELS OF AN AUTOMOTIVE VEHICLE, ADAPTER MEANS REMOVABLY FIXED TO EACH WHEEL COAXIALLY THEREOF, SUPPORT MEANS DEPENDING FROM EACH ADAPTER PARALLEL TO THE RESPECTIVE WHEEL AND MOVABLE IN A PLANE ABOUT THE AXIS THEREOF, A BAR CARRIED BY EACH SUPPORT MEANS PARALLEL TO THE RESPECTIVE WHEEL, A PAIR OF BRACKETS ADJUSTABLY MOUNTED FOR LONGITUDINAL MOVEMENT ON EACH BAR TO OPPOSITE SIDES OF THE RESPECTIVE SUPPORT, A SPRING PRESSED ROD SLIDABLY MOUNTED ON EACH BRACKET AT RIGHT ANGLES TO THE RESPECTIVE BAR AND YIELDABLY BIASED AGAINST THE WHEEL TIRE TO RETAIN SAID BAR PARALLEL TO THE RESPECTIVE WHEEL, LOCKING MEANS ON SAID BRACKETS FOR LOCKING SAID BRACKETS AND SAID RODS TO SAID BAR IN ADJUSTED POSITION, EACH BAR EXTENDING FORWARDLY AND REARWARDLY BEYOND THE PERIPHERY OF THE RESPECTIVE WHEEL, A PAIR OF SPACED GUIDE PINS ADJACENT EACH END OF EACH BAR, THE PAIRS OF PINS ADJACENT THE RESPECTIVE ENDS OF THE TWO BARS BEING ALINED WITH ONE ANOTHER TRANSVERSELY OF THE VEHICLE, A MEASURING ROD FOR TRANSVERSE PLACEMENT ATOP THE TWO BARS FORWARDLY AND REARWARDLY OF THE FRONT WHEELS, SAID MEASURING ROD BEING RECEIVED BETWEEN THE PINS OF EACH TRANSVERSELY ALINED PAIR AND HAVING A RECESS ON ITS UNDERSIDE NEAR ONE END FOR SEATABLE ENGAGEMENT WITH ONE OF SAID BARS, A SCALE PLATE ADJUSTABLY MOUNTED ATOP SAID MEASURING ROD ADJACENT ITS OPPOSITE END FOR COOPERATION WITH THE PINS ADJACENT THERETO, A PAIR OF LONGITUDINALLY SPACED PINS PROJECTING UPWARDLY FROM EACH BAR AND EACH HAVING A SIGHTING HOLE THERETHROUGH THE AXIS OF WHICH IS PARALLEL WITH THE LONGITUDINAL AXIS OF THE RESPECTIVE BAR, AND A TARGET ADJACENT EACH REAR WHEEL OF THE VEHICLE BEARING CENTERING INDICIA VISIBLE THROUGH THE SIGHTING PINS ON THE BAR ON THE SAME SIDE OF THE VEHICLE.