Geometrical instruments – Straight-line light ray type
Patent
1996-10-01
1998-12-01
Fulton, Christopher W.
Geometrical instruments
Straight-line light ray type
33282, 33275R, 33DIG21, G01C 900, G01C 1502
Patent
active
058422820
ABSTRACT:
A laser angle adjustment device for laser measuring instruments including a rectangular casing, a fixed bubble level and an adjustable bubble level mounted on the casing at right angles, a barrel turned in a hole in the casing, a top cover fixedly fastened to the barrel at one end to hold a laser module for providing a laser reference line for measurement.
REFERENCES:
patent: 719061 (1903-01-01), Traut
patent: 1454693 (1923-05-01), Schlattau
patent: 5184406 (1993-02-01), Swierski
patent: 5394616 (1995-03-01), Claxton
patent: 5519942 (1996-05-01), Webb
patent: 5531031 (1996-07-01), Green
patent: 5561911 (1996-10-01), Martin
Fulton Christopher W.
OPCOM Inc.
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