Automobile front wheel aligning mechanism

Claim 1

MECHANISM FOR MEASURING ALIGNMENT CHARACTERISTICS OF A PNEUMATIC TIRED DIRIGIBLE WHEEL OF AN AUTOMOBILE COMPRISING A FRAME FOR MOUNTING ON THE OUTER SIDE WALL OF THE TIRE OF SUCH DIRIGIBLE WHEEL, SUPPORT MEANS FOR SUPPORTING THE FRAME IN ENGAGEMENT WITH THE OUTER SIDEWALL OF SUCH TIRE AND SUBSTANTIALLY PARALLEL TO THE PLANE OF WHEEL ROTATION, A WHEEL ANGLE INDICATING MEMBER MOUNTED FOR HORIZONTAL PIVOTAL MOVEMENT ABOUT A VERTICAL AXIS OF THE FRAME, MEANS FOR RETAINING THE WHEEL ANGLE INDICATING MEMBER AGAINST PIVOTAL DISPLACEMENT DURING A TURNING MOVEMENT OF THE FRAME IN CONJUNCTION WITH A DIRIGIBLE WHEEL UPON WHICH IT IS MOUNTED, MEANS FOR INDICATING THE ANGULAR POSITION OF THE ANGLE INDICATING MEMBER RELATIVE TO THE FRAME, A PENDULUM SUSPENDED FROM AN UPPER PORTION OF THE FRAME AND IN OUTWARDLY SPACED RELATION TO THE FRAME, AN ELONGATED BOTTOM MEMBER AFFIXED TO THE PENDULUM IN POSITION TO BE HORIZONTAL AND SUBSTANTIALLY PARALLEL TO THE PLANE OF ROTATION OF A WHEEL UPON WHICH THE FRAME IS MOUNTED WHEN THE PENDULUM IS SUSPENDED FREELY FROM THE FRAME, MEANS FOR RELEASABLY RETAINING EACH END OF THE PENDULUM BOTTOM MEMBER IN A SELECTED ZERO POSITION WHILE LEAVING THE PENDULUM BOTTOM MEMBER FREE FOR PIVOTAL MOVEMENT ABOUT THE RETAINING MEANS, A POINTED PROJECTION ON EACH END OF THE PENDULUM BOTTOM MEMBER, A PAIR OF PENDULUM POSITION INDICATING MEMBERS ON EACH END OF THE FRAME, EACH PAIR OF SAID INDICATING MEMBERS BEING LOCATED AND SPACED APART TO RECEIVE EACH POINTED PROJECTION OF THE PENDULUM BOTTOM MEMBER WITH SLIGHT CLEARANCE THEREBETWEEN WHEN THE FRAME IS IN UPRIGHT POSITION AND THE PENDULUM IS SUSPENDED FREELY FROM THE FRAME, A SCALE FOR INDICATING THE POSITION OF EACH POINTED PROJECTION OF THE PENDULUM RELATIVE TO THE FRAME, MANUALLY CONTROLLED DAMPING MEANS MOUNTED ON THE FRAME FOR RELEASABLY ENGAGING THE PENDULUM TO REDUCE SWINGING MOVEMENT THEREOF, A SLIDING WEIGHT MOUNTED FOR SLIDING MOVEMENT LENGTHWISE OF THE PENDULUM BOTTOM MEMBER, AND A SCALE FOR INDICATING THE POSITION OF THE SLIDING WEIGHT RELATIVE TO THE PENDULUM BOTTOM MEMBER.