Geometrical instruments – Straight-line light ray type – Alignment device
Patent
1992-03-19
1993-05-04
Haroian, Harry N.
Geometrical instruments
Straight-line light ray type
Alignment device
33608, 33DIG10, 33293, G01B 5255
Patent
active
052070026
ABSTRACT:
A method and system for use in the checking and/or correction of alignment of a vehicle frame, body and various parts thereof which utilize an energy beam generator to direct one or more beams, such as a laser beam, at multiple targets which may be mounted on the vehicle frame, body or specific parts thereof, to establish a horizontal reference centerline and a vertical reference datum line from and/or to which alignment measurements may be made. Such method and system are enhanced by the use of either a unidirectional or sweeping beam to establish a centerline and a sweeping beam to establish a datum line. The beam generating means and targets preferably are located within the confines of a vehicle frame or body with the centerline defining beam and target being centered between undamaged portions of the same vehicle parts from which or to which measurements are to be made.
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