Geometrical instruments – Gauge – Wheel
Patent
1983-07-11
1984-11-06
Haroian, Harry N.
Geometrical instruments
Gauge
Wheel
3320314, G01B 5255
Patent
active
044803893
ABSTRACT:
An improved wheel alignment system primarily used with unibody frame straightening fixtures, including a frame bed having a pair of longitudinally extending members and bed plates, upon which rest the drive wheels of the vehicle. The improved system includes two base plates which are suspended from the longitudinally extending members so that the top surface of each is positioned a prescribed distance in relationship to the plane of the frame bed. In aligning the front wheels of a rear wheel drive vehicle, a wheel alignment tool is positioned on the top surface of the base plate and the front wheels of the vehicle lowered thereon. The prescribed distance of the top surface of the base plate below the plane of the frame bed is such that the top surface of the bed plate (support plate for the rear wheels in this case) of the unibody system. Adapter plates are employed when aligning the front wheels on a front wheel vehicle. The adapter plates are positioned on the base plates and raise the rear wheels of the vehicle sufficiently such that the top surface of the adapter plate is approximately level with the top surface of the wheel alignment tool which is now positioned on the bed plate where the front wheels are now positioned. Means for fine adjusting the level of the base plate of composite, base plate-adapter plate, are described.
REFERENCES:
patent: 2087909 (1937-07-01), Haucke
patent: 2720036 (1955-10-01), Berger
Haroian Harry N.
Quast W. Patrick
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