Self leveling laser plumb assembly

Details Self leveling laser plumb assembly Self leveling laser plumb assembly

1994-11-15

1996-07-16

Evans, F. L.

Optics: measuring and testing

Fiducial instruments

Artificial reference

33227, 33286, 33DIG21, G01C 912

Patent

active

055372058

ABSTRACT:
A self leveling laser plumb assembly having a battery powered laser unit, a laser unit mounting support, and at least three support legs secured to the bottom of a gimbal ring assembly. The top end of the laser unit mounting support removably receives the laser beam unit. The laser unit mounting support vertically aligns itself by gravity. This allows a beam of light from the laser unit to be directed upwardly to a surface where a predetermined spot can be marked.

REFERENCES:
patent: 3505739 (1970-04-01), Abrams
patent: 3858984 (1975-01-01), Denton et al.
patent: 3911588 (1975-10-01), Ohneda
patent: 4183667 (1980-01-01), Denton
patent: 4448528 (1984-05-01), McManus

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