Optics: measuring and testing – Angle measuring or angular axial alignment – With screen
Patent
1972-05-24
1980-03-04
Buczinski, S. C.
Optics: measuring and testing
Angle measuring or angular axial alignment
With screen
356142, 356153, G01B 1126, G01C 106
Patent
active
041914716
ABSTRACT:
An alignment device for aligning the boresight axis of armament with the line-of-sight axis of an optical sight including a novel collimating apparatus for field use. The collimating apparatus includes a collimator and a collimated light beam generator. The collimator includes an objective lens having its optical axis parallel to one of the axes to be aligned, a translucent screen for rear projection and a projection lens between the objective lens and the screen. A remote collimated light beam generator includes a battery energized incandescent light bulb, a projection reticle, and an objective lens for collimating the light source, the optical axis of the lens being parallel to the second of the axes to be aligned. The angular displacement between the axes is indicated by the position of a light spot on the screen. The apparatus also includes fittings whereby the light beam generator is temporarily attached to the collimator housing in known relationship for checking the alignment of the optical elements by observing the position of the light spot on the screen.
REFERENCES:
patent: 2305775 (1942-12-01), Hansen
patent: 2405441 (1946-08-01), Martin
patent: 3480367 (1969-11-01), Husted et al.
patent: 3734627 (1973-05-01), Edwards
Courten Henry C.
Mattal Joseph P.
Buczinski S. C.
Gill Mellor A.
Grumman Aerospace Corporation
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