Geometrical instruments – Straight-line light ray type – Alignment device
Patent
1982-02-17
1984-08-21
Haroian, Harry N.
Geometrical instruments
Straight-line light ray type
Alignment device
3320318, 356152, G01B 1126
Patent
active
044661967
ABSTRACT:
A laser alignment system for vehicles includes a laser module for attachment to either the front or rear wheels of a vehicle, a sensor module for attachment to the other wheels of the vehicle, and a control module connected to the laser module and the sensor module. Both the laser module and the sensor module can be attached to wheel spindles by the use of magnets, thereby eliminating rim adaptors and speeding set-up time. The modules are movable relative to the spindles and to each other so as to correct for vehicle uneveness, frame damage, and non-level floors. An electro-mechanical pendulum included as part of the sensor module provides fast, accurate caster and camber readings on a continuous basis for each wheel. The sensor module provides continuous, optical readouts of toe-in and toe-out for each wheel.
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Hughes Aircraft Co., "Helium-Neon and Waveguide CO.sub.2 Laser Systems and Equipment from Hughes," Brochure 7-80.
Lee Hunter, "Wheel Alignment Equals Motion Balance," Form 159T, 10-77.
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