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Ammco Tools Technology Corporation

Phillip A Spainhour

Ying T Lee

The change in the toe of the steerable wheels of a vehicle when the inside wheel is turned through an angle of twenty degrees is determined by turning the inside wheel through an angle of ten degrees, measuring the change in toe which resulted, and multiplying the measurement by four.

Improvements in the method and apparatus for evaluating the TOOT (toe

A wheel alignment system includes a gauge head which is adapted to be pendulously mounted to a wheel to be aligned for free rotation about an axis which is coaxial with the axis of rotation of the wheel. The gauge head carries a plurality of level sensors, which are coupled to a microprocessor, and an encoder which is mounted between a shaft, that is mounted to the wheel for rotation therewith, and the gauge head to transmit to said microprocessor signals representative of the angular position of said wheel.

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Nashville, TN, United States of America

Phillip A Spainhour