Device and method for providing a laser level plane

Details Device and method for providing a laser level plane Device and method for providing a laser level plane

1998-01-20

2000-01-11

Hantis, K. P.

Optics: measuring and testing

Fiducial instruments

Artificial reference

G01C 912

Patent

active

060142111

ABSTRACT:
Disclosed is a laser level device that includes a reference surface, and a laser beam generator that is coupled to the reference surface. The laser level device also includes a compensator that is supported proximate to the reference surface. The compensator has a pendulum that includes a polygonal body with at least a four point suspension. The compensator also has optics that are coupled to the polygonal body in the path of a laser beam that is produced by the laser beam generator to redirect the laser beam, and a keeper that is coupled to the reference surface and is at least partially surrounding the polygonal body such that an air gap may be provided between the polygonal body and the keeper. The laser level device further includes a beam sweeper that is supported above the reference surface in the path of the redirected laser beam to sweep the redirected laser beam in a plane.

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