Device for projecting a flat beam of diverging laser rays

Details Device for projecting a flat beam of diverging laser rays Device for projecting a flat beam of diverging laser rays

1996-02-21

1998-07-21

Fulton, Christopher W.

Geometrical instruments

Straight-line light ray type

Level

33285, 33286, 33293, 33DIG21, G01B 1126, G01C 1500

Patent

active

057820031

ABSTRACT:
A device for projecting a flat beam of diverging laser rays comprises a base supporting a movable gravity self-leveling equipment and at least a laser beam or ray projector mounted thereon and provided with an optical lens assembly for transforming the laser beam emitted by the projector into a flat beam of diverging laser rays and laying in a horizontal or vertical plane for projecting at least a straight line laying on a perfectly horizontal or vertical plane.

REFERENCES:
patent: 3911588 (1975-10-01), Ohneda
patent: 4106207 (1978-08-01), Boyett et al.
patent: 4578870 (1986-04-01), Cooke
patent: 4988192 (1991-01-01), Knittel
patent: 5485266 (1996-01-01), Hirando et al.
patent: 5539990 (1996-07-01), Le
patent: 5552886 (1996-09-01), Kitajima et al.
patent: 5572796 (1996-11-01), Breda

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