Geometrical instruments – Straight-line light ray type – Alignment device
Patent
1998-03-04
2000-04-25
Fulton, Christopher W.
Geometrical instruments
Straight-line light ray type
Alignment device
33529, 33DIG21, G01B 1126
Patent
active
060529113
ABSTRACT:
A laser centering apparatus including a frame for supporting a laser, the frame being adapted for selective attachment to a pipe, and a laser rotatably connected to the frame. The laser can be rotated in a plane containing the centerline of an existing pipe to enable quick and easy alignment of pipes parallel to an existing pipe.
REFERENCES:
patent: 2636273 (1953-04-01), Morris
patent: 2822623 (1958-02-01), Legois
patent: 4580345 (1986-04-01), Andrew
patent: 5539990 (1996-07-01), Le
Fulton Christopher W.
Ray David L.
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