Wheel position gauging device

Details Wheel position gauging device Wheel position gauging device

1990-04-30

1991-09-17

Haroian, Harry N.

Geometrical instruments

Gauge

Wheel

G01B 5255

Patent

active

050481924

ABSTRACT:
A wheel position, e.g., alignment, gauging device which mounts to a rear sidewall of a tire is disclosed. The device has a tripod, preferably of cast metal, with each of its three legs contacting the outside sidewall of the tire. The legs meet at a flat surface which supports an adjustable plate. A central shaft mounted to the plate is capable of supporting a signal projector used in measuring alignment. Two grippers grab the rear sidewall of the tire and securely hold the device in place, the grippers being attached to the adjustable plate by respective arms. Each arm is rotatably mounted to the plate. Springs are connected to rods which pass through the arms to bias the arms away from the tire. To attach the device, the tripod is placed in position on the outside sidewall of the tire, and handles attached to the arms are used to push the grippers, against the bias of the springs, over the tire's tread so that they grip the rear sidewall. With this construction, the alignment device mounts and is supported by the tire rather than the wheel, so it is unnecessary to lift the car to perform wheel alignment.

REFERENCES:
patent: 4285136 (1981-08-01), Ragan

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