Method of and apparatus for measuring the wheel alignment of aut

Details Method of and apparatus for measuring the wheel alignment of aut Method of and apparatus for measuring the wheel alignment of aut

1991-07-24

1992-04-21

Will, Thomas B.

Geometrical instruments

Gauge

Wheel

33203, 356155, G01B 5255, G01B 11275

Patent

active

051055473

ABSTRACT:
A four wheel automotive vehicle is placed in a horizontal plane and is capable of being tilted in a direction perpendicular to a lengthwise direction of the car body. After determining a reference position of each front wheel in a transverse direction, perpendicular to the lengthwise direction of the automotive vehicle, the plane is tilted at an angle proportional to a cant of a road in the transverse direction. While rotating synchronously the front and rear wheels in the same direction as they would rotate when the automotive vehicle moves forward, a toe angle of each rear wheel and a deflection from the reference position of each front wheel, in the transverse direction, are measured. Observing the measurements of toe angle and deflection, the toe angles of the rear wheels are adjusted totally to a desired toe angle until the deflection becomes almost zero. Thereafter, observing the measurements of toe angle, the toe angles of the front wheels are adjusted totally to a desired toe angle.

REFERENCES:
patent: 3520180 (1970-07-01), Polhemus et al.
patent: 3579845 (1971-05-01), Hunter et al.
patent: 3793734 (1974-02-01), Merrill
patent: 3908280 (1975-09-01), Murakami et al.
patent: 4443951 (1984-04-01), Elsasser et al.
patent: 4679327 (1987-07-01), Fouchey et al.
patent: 4885846 (1989-12-01), Nemeth et al.
patent: 4901442 (1990-02-01), Fujii

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