Laser beam target

Details Laser beam target Laser beam target

1991-01-31

1992-03-17

Cuchlinski, Jr., William A.

Geometrical instruments

Straight-line light ray type

Rod or target

33DIG21, 356399, 362259, G01C 1500, G01B 1100

Patent

active

050956299

ABSTRACT:
A laser beam target for use with a projector capable of providing a reference laser beam of light traveling in a predetermined path is provided and includes a main body portion having first and second surfaces. A plurality of projections are provided on at least one of the first and second surfaces for directing at least a portion of the reference beam of light into a specific range of vertical viewing angles away from the path of the beam as the light passes from the body, thereby permitting a worker viewing the target to more easily determine when the reference beam of light is in alignment with appropriate reference indicia on the target.

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945-V Laserlevel, Spectra-Physics, Inc., 1983.
910 Laserlevel, Spectra-Physics Inc., 1984.
942 Laserlevel, Spectra-Physics Inc., 1987.
1160 Dialgrade, Spectra-Physics, Inc., 1984.

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