Laser gradient setting device

Details Laser gradient setting device Laser gradient setting device

1995-02-22

1997-03-04

Fulton, Christopher W.

Geometrical instruments

Straight-line light ray type

Multisight line

33280, 33283, 33291, 33DIG21, 356138, G01B 1126, G01C 500

Patent

active

056068026

ABSTRACT:
A laser gradient setting device, having such an arrangement that a reference laser beam with a gradient is emitted and a reference laser beam in vertical direction is emitted, whereby the laser gradient setting device can be easily positioned by the reference laser beam in vertical direction by a single worker.

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patent: 4988192 (1991-01-01), Knittel
patent: 5218770 (1993-06-01), Toga

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