Optics: measuring and testing – Angle measuring or angular axial alignment – With screen
Patent
1976-11-19
1979-01-16
Corbin, John K.
Optics: measuring and testing
Angle measuring or angular axial alignment
With screen
3320318, G01B 1127, G01B 11275
Patent
active
041346823
ABSTRACT:
A wheel mirror calibrating device for checking and aligning mirrors used on motor vehicle wheel alignment equipment. The device comprises a portable unit comprising support and level members to align a rotatable horizontal shaft which supports a truncated triangular mirror support frame. The mirror support frame supports the wheel alignment mirror in the same manner as the rim of the wheel which would be aligned with the equipment. The frame has calibrated adjustment push screws for alignment of the mirror support pads to the zero position. An image is projected onto the mirror and reflected to a projection screen such that as the mirror is rotated the image must remain in the same position or the mirror needs alignment. Each mirror is individually adjustable by three screws on the back thereof for alignment of the mirror.
REFERENCES:
patent: 2641957 (1953-06-01), Vandermeer
patent: 2656762 (1953-10-01), Carr
patent: 2795859 (1957-06-01), Buschbach
patent: 3081546 (1963-03-01), Wilkerson
Schlesinger, G. "Testing Machine Tools", Pergamon Press, 1978, Eighth Edition, pp. 5-8.
Levin et al. "New Method of Verifying Instruments for Flatness Testing", Soviet Jr. of Optical Tech. vol. 42, 8-1975, pp. 469-472.
Corbin John K.
Crutsinger Gerald G.
Dwight Larry B.
Punter Wm. H.
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