Snap-on Inc.

Jonathan A Sperry

David A Jackson

Steven W Rogers

George Michael Gill

Robert J D'Agostino

Brian K Gray

Ronald D Swayne

Eric R Sellers

Rodney Harrell

Bryan C Minor

Darwin Y Chen

Joel A Kunert

Sean P Lecrone

Larry D Klotz

A wheel alignment system includes a side-to-side reference including an active reference pod and a passive reference pod disposed on opposite sides of the vehicle. The active reference pod includes a reference image sensor fixedly attached to a reference target, for mounting on a first side of the vehicle such that the reference image sensor produces image data including a perspective representation of the passive reference pod disposed on a second/opposite side of the vehicle. In operation, alignment cameras on the opposite sides of the vehicle capture perspective representations of targets mounted to vehicle wheels and of targets of the active and passive reference pods. A computer processes the image data to compute an alignment measurement of the vehicle based on a spatial relationship between the active reference pod and the passive reference pod determined according to the image data produced by the reference image sensor.

Vehicle wheel alignment methods and systems

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Conway, AR, United States of America

Jonathan A Sperry