Geometrical instruments – Gauge – Wheel
Patent
1991-09-11
1992-05-12
Haroian, Harry N.
Geometrical instruments
Gauge
Wheel
33336, 33645, 33203, G01B 5255
Patent
active
051115867
ABSTRACT:
Vehicle wheel alignment tools are formed by a pair of upright posts supported from respective wheel by bracket mounting members. The top end portion of the respective post is provided with a horizontal and vertical slots for respectively receiving an edge portion of a planar protractor plate having a protractor scale thereon. With the protractor plates in the horizontal post slot and a flexible strand extending between the centers of the protractor scales and intersecting the protractor scale indicia on the respective plate, the toe-in angle of the vehicle wheels is indicated. With the protractor plates disposed in vertical planes in the post top end slots and the protractor scales disposed horizontal or vertical, a string extending between the protractor scale or plumb bob cords secured to the centers and intersecting the respective protractor scale indicia respectively indicates camber and caster angles.
REFERENCES:
patent: 3445936 (1969-05-01), Wilkerson
patent: 3869798 (1975-03-01), Wilkerson
patent: 5020231 (1991-06-01), Huynh
Haroian Harry N.
Rhea Robert K.
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