Geometrical instruments – Gauge – Wheel
Patent
1993-09-17
1996-07-02
Fulton, Christopher W.
Geometrical instruments
Gauge
Wheel
3320318, 33288, 73 1E, G01C 2500, G01B 11275
Patent
active
055310303
ABSTRACT:
An apparatus and method for monitoring and automatically calibrating the primary sensors of a vehicle wheel aligner comprises secondary sensors for signaling the control means of the wheel aligner when the wheels are in known angular orientations. The outputs from the primary angle determining sensors of the wheel aligner are recorded when the secondary sensors signal the control means, and the control means calculates a calibration relationship between the outputs and the known angles to apply to future outputs of the primary sensors.
REFERENCES:
patent: 4204333 (1980-05-01), Van Blerk
patent: 4336658 (1982-06-01), January et al.
patent: 4424700 (1984-01-01), Erickson et al.
patent: 4442696 (1984-04-01), Erikson et al.
FMC Corporation
Fulton Christopher W.
Query, Jr. Henry C.
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