Beam projector for wheel aligner

Details Beam projector for wheel aligner Beam projector for wheel aligner

1981-05-08

1983-10-11

Punter, William H.

Optics: measuring and testing

Angle measuring or angular axial alignment

With screen

356252, G01B 1126, G02B 2310

Patent

active

044088795

ABSTRACT:
A projector is disclosed which is constructed as an integral part of a wheel alignment head for use in an alignment system for the wheels supporting a vehicle chassis. The projector causes a beam to be emitted from the "back" of the alignment head toward the supporting wheels at the opposite end of the chassis. The projector is configured so that the direction of the projected beam relative to a reference direction may be adjusted within about plus or minus 5.degree. of arc by turning a manually accessible adjustment knob. The adjustment knob also causes a corresponding adjustment to a signal generator so that a signal output is obtained therefrom which is indicative of the angular departure of the beam from the referenced direction.

REFERENCES:
patent: 2007010 (1935-07-01), Thearle
patent: 2407090 (1949-05-01), Carrigan et al.
patent: 3552024 (1971-01-01), Hunter
patent: 3689161 (1972-09-01), Lill et al.
patent: 3796496 (1974-03-01), Appler et al.
patent: 3953134 (1976-04-01), Appel et al.
patent: 3994597 (1976-11-01), Calder et al.
patent: 4097157 (1978-06-01), Lill
patent: 4130362 (1978-12-01), Lill et al.
patent: 4150897 (1979-04-01), Roberts, Jr. et al.
patent: 4154531 (1979-05-01), Roberts, Jr. et al.

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