Snap-on Technologies, Inc.

Norman H Johnson, Jr

Patrick O'Mahony

James L Dale, Jr

An apparatus and methodology for diagnosing an alignment condition of a vehicle. The methodology includes determining an alignment condition of the vehicle using an apparatus set forth herein, and calculating a result corresponding to a difference between the determined alignment condition of the vehicle and specifications for a plurality of alignment conditions stored in a memory. The methodology further includes selecting one of a plurality of graphics stored in the memory, each corresponding to a value defined by the stored specifications, by determining the value to which the result corresponds, and outputting the selected one of the plurality of graphics.

Vehicle alignment condition measurement and display

In combination with a vehicle wheel aligner comprising at least one sensor for generating data indicative of the relative angular orientation of one or more wheels of a vehicle, a computer for calculating alignment values for the vehicle from the data and a video display for displaying the alignment values, the invention is the improvement comprising a digital memory for storing a plurality of vehicle attributes, a computer processor for causing two or more of the attributes to be displayed on the video display, an input device for allowing the operator to select the attributes relating to a subject vehicle, and a digital memory for storing the attributes relating to the subject vehicle which are selected by the operator, whereby a computer model of the subject vehicle is created.

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St. Cloud, FL, United States of America

Norman H Johnson, Jr