Wheel alignment testing apparatus

Details Wheel alignment testing apparatus Wheel alignment testing apparatus

1976-01-06

1978-07-11

Artis, Henry K.

Geometrical instruments

Gauge

Wheel

G01B 524

Patent

active

040993337

ABSTRACT:
Wheel alignment testing apparatus for vehicles comprises a reference surface plate adapted to be attached to a wheel to be tested and sensing means for sensing the attitude of the reference surface plate. The sensing means includes feelers for contacting the reference surface plate, and a transducer associated with each feeler for providing a signal which represents the position of the feeler, the signals derived from the transducers being analysed by a circuit for giving an indication of the relevant wheel alignment parameters. The apparatus includes driven rollers on which the wheel under test are supported, the test being carried out with the vehicle's wheels rotating. The electric circuit includes means for compensating for any wobble of the reference surface plate if it is not properly aligned with the wheel to which it is attached.

REFERENCES:
patent: 2336695 (1943-12-01), Maurer
patent: 2777211 (1957-01-01), Martin
patent: 3208154 (1965-09-01), Pancoast
patent: 3417479 (1968-12-01), Hirmann
patent: 3793736 (1974-02-01), Cufrini
patent: 3855709 (1974-12-01), Hirmann
patent: 3892042 (1975-07-01), Senften

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