Geometrical instruments – Straight-line light ray type – Alignment device
Patent
1997-09-02
2000-08-22
Roskoski, Bernard
Geometrical instruments
Straight-line light ray type
Alignment device
33DIG21, G04B 503
Patent
active
061052647
ABSTRACT:
A laser measuring device, for accurately measuring and realigning damaged vehicle structural elements. The device comprises a body with a horizontal magnetic surface, a ruler which extends perpendicularly to the magnetic surface, a slide which moves along the ruler, and a laser affixed to the slide. The laser can be moved to a designated distance from the upper magnetic surface of the magnet. The laser is pivotally moveable relative to the slide so that the laser can be leveled. The laser includes a line generation prism to project a horizontal line from the laser. The invention is used in conjunction with an autobody frame and helps establish a horizontal (laser) datum line from which reference measurements can be taken to designated measurement points on the frame of the automobile.
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