Method, and means, for in situ determination of alignment of a v

Details Method, and means, for in situ determination of alignment of a v Method, and means, for in situ determination of alignment of a v

1982-01-26

1984-04-10

Little, Willis

Geometrical instruments

Straight-line light ray type

Alignment device

33180AT, G01B 525

Patent

active

044412592

ABSTRACT:
In a disclosed practice, the method comprises pendently attaching translucent sighting targets to a plurality of at least three vehicle frame datum points, at distances, standardly-prescribed for the particular vehicle, from the latter's reference line (or one of such reference lines), and taking a linear sighting, with a coherent light beam, through the targets to ascertain alignment and misalignment, if any of the latter, of any one of the targets relative to at least two others thereof. The novel means, in a disclosed embodiment thereof, comprises a plurality of sighting targets and hangers for pendently attaching the targets to vehicle frame datum points, and a laser gun for directing a laser beam along the targets to determine alignment and misalignment of any one of the targets relative to to two others thereof.

REFERENCES:
patent: 2401980 (1946-06-01), Smith
patent: 3786572 (1974-01-01), Larson
patent: 3983635 (1976-10-01), Jarman
patent: 4319402 (1982-03-01), Martin

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