Geometrical instruments – Indicator of direction of force traversing natural media – Level or plumb – terrestrial gravitation responsive
Patent
1999-01-21
2000-01-04
Fulton, Christopher W.
Geometrical instruments
Indicator of direction of force traversing natural media
Level or plumb, terrestrial gravitation responsive
33227, 33291, G01C 500, G01C 900
Patent
active
060096306
ABSTRACT:
A tool resembling a carpenter's level is used in establishing a precise level line and projecting an existing line using a visible laser beam projector in the same instrument. A manual selector device is provided for switching from a laser beam parallel to a reference surface to one which self-levels in one axis. Methods for switching between modes are described as well as a tilt compensator.
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Freiburger Thomas M.
Fulton Christopher W.
Levelite Technology, Inc.
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