Plumb and horizontal locating device

Details Plumb and horizontal locating device Plumb and horizontal locating device

1991-09-05

1992-11-17

Cuchlinski, Jr., William A.

Geometrical instruments

Straight-line light ray type

33283, 33286, 33292, 33397, 33299, G01C 914

Patent

active

051632292

ABSTRACT:
A device is disclosed for accurately and precisely locating specific points on ceilings or, alternatively, on the the same horizontal plane. A light emitting means, a pendulum, a support, and two cylindrical rods act in concert to provide a light beam that is always plumb or always horizontally level.

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