One piece beam angle adjustment element

Details One piece beam angle adjustment element One piece beam angle adjustment element

1997-06-25

1999-09-28

Epps, Georgia

Optical: systems and elements

Lens

With support

G02B 702

Patent

active

059597895

ABSTRACT:
A beam angle adjustment element for a measurement instrument projecting a collimated beam, such as a laser construction layout instrument, utilizes a single optic at the beam exit of the instrument for final tilt adjustment. The optic, a low magnification telescope formed of a single, integral optical component, has an annular edge in contact with a frame of the instrument. Tilting of the weak telescope in the frame seat adjusts the angularity of the collimated light beam for very finely tuning the beam direction. For example, with a particular weak telescope the telescope can be tilted 5 degrees to obtain a 3.6 minute adjustment. The optical element may be fixed in place in the seat with glue, or a screw threaded mechanism can be provided for adjustment and retention of the optic in place.

REFERENCES:
patent: 5442860 (1995-08-01), Palmer
patent: 5499455 (1996-03-01), Palmer
patent: 5619802 (1997-04-01), Rando et al.

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