Geometrical instruments – Gauge – Wheel
Patent
1991-09-17
1992-11-24
Cuchlinski, Jr., William A.
Geometrical instruments
Gauge
Wheel
364559, 36442403, G01B 11275, G01B 5255, G06F 1520
Patent
active
051651777
ABSTRACT:
Measurement devices are mounted on left and right steerable wheels of a vehicle. Caster is calculated for each of the wheels based upon measurements made with the measurement devices. Pitch at zero toe is determined for the left and right wheels and a steering axis inclination (SAI) compensation term is determined. Live caster is calculated using the live pitch of the wheel, the caster calculated for the wheel, the pitch at zero toe for the wheel and the SAI compensation term. An output representative of the live caster is provided.
REFERENCES:
patent: 3901604 (1975-08-01), Butler
patent: 4381548 (1983-04-01), Grossman et al.
patent: 4394798 (1983-07-01), Beissbarth
patent: 4500201 (1985-02-01), Lill
patent: 4594789 (1986-06-01), Marino et al.
patent: 4761749 (1988-08-01), Titsworth et al.
patent: 4898464 (1990-02-01), Thorne et al.
patent: 5014227 (1991-05-01), Kling et al.
patent: 5105547 (1992-04-01), Fujii
Bear Automotive Service Equipment Company
Cuchlinski Jr. William A.
Fulton C. W.
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