Geometrical instruments – Gauge – Wheel
Patent
1982-01-05
1984-02-28
Haroian, Harry N.
Geometrical instruments
Gauge
Wheel
332032, G01B 5255, G01B 356, G01B 300
Patent
active
044334893
ABSTRACT:
Motor vehicle wheel alignment measuring apparatus, which enables measurement of toe-in, lateral offset and out of square conditions with respect to any given set of tires, comprises pairs of frames adapted to be hung by hooks against the side walls of the exposed tires of a set of tires. Each frame includes a cross bar and a pair of upward and inward extending, short stub members. Each pair of frames includes clamps to secure the free ends of a pair of tape measures, and slots to secure the ends of a pair of elastic bands, so that the tape measures and the elastic bands may be disposed across the width of a vehicle. Methods include measuring the toe-in of a set of tires by comparing the distances between corresponding ends of the cross bars, and then measuring the offset and out of square of the sets of tires by comparing the center marks on the elastic bands extending between the tires of one set with a straight line projected from the center marks of the elastic bands extending between the tires of another set on the vehicle.
REFERENCES:
patent: 3292268 (1966-12-01), Knight
patent: 3426438 (1969-02-01), Wilkerson
patent: 3805399 (1974-04-01), Price
patent: 4200988 (1980-05-01), Hunter
Haroian Harry N.
Macaster Controls, Inc.
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