Reference beam generator and method

Abstract

A reference beam generator has first, second, and third projection turrets for projecting first, second, and third fan beams of laser light, respectively. The first, second, and third fan beams of laser light are oriented normal to each other. The turrets may be rotated such that each of said fan beams can each be rotated about an axis that is normal to the plane in which the fan beam is projected. The generator may be used to project a number of reference points and lines on multiple surfaces.

Description

[0001] Cross References to Related Applications [0002] Not applicable [0003] Statement Regarding Federally Sponsored Research or Development [0004] Not applicable Background technique [0005] The present invention relates to a type of reference beam generator used to project vertical, horizontal and square visible light reference beams onto walls, ceilings or floors to facilitate spatial orientation on construction sites or elsewhere. Such tools have been used to provide visible guides for the architectural layout of walls, beams, joists, ceilings, laid tiles, suspended shelves and cabinets, and for many other similar activities. [0006] Prior art reference beam generators typically generate only one or two reference beams in a particular geometric configuration. While such devices are useful, their applications are limited. Furthermore, such devices typically provide either a stationary reference beam or a rotating beam. A stationary reference beam is of limited ...

AI Technical Summary

Problems solved by technology

Stationary reference beams are of limited use

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