Apparatus for establishing a level plane

Details Apparatus for establishing a level plane Apparatus for establishing a level plane

1976-03-30

1977-06-28

Stephan, Steven L.

Geometrical instruments

Straight-line light ray type

Level

33299, 248 16, 356172, G01C 500, G01B 1126

Patent

active

040316297

ABSTRACT:
A novel apparatus for establishing a reference plane or a line comprising a laser beam with means for rotating the beam to establish a plane and including a bracket mechanism which can be attached to the ceiling or a wall so as to support the laser mechanism so that it can be adjusted in a number of directions to allow its height, and its angular relationship to be set to any desired values.

REFERENCES:
patent: 3588249 (1971-06-01), Studebaker
patent: 3588255 (1971-06-01), Alexander

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