Geometrical instruments – Indicator of direction of force traversing natural media – Level or plumb – terrestrial gravitation responsive
Patent
1983-02-24
1984-09-11
Stearns, Richard R.
Geometrical instruments
Indicator of direction of force traversing natural media
Level or plumb, terrestrial gravitation responsive
33382, 33180R, G01C 906
Patent
active
044701993
ABSTRACT:
A two plane assembly (100) having a first, substantially horizontal plane (140), and a second plane (160) at a compound angle with respect to the first plane, is mounted to a reference surface (112), established by optical or other suitable means. An inclinometer pair (146, 148; 170, 172) is affixed to each plane, with each inclinometer of a pair disposed orthogonally with respect to the other. The values from the inclinometers are recorded and the assembly is then mounted to a platform to be aligned. The pitch, roll and azimuth of the platform is adjusted such that the output from each inclinometer agrees with its recorded value, thereby accomplishing platform alignment.
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Krezak John E.
Lebel Stephen J.
Stearns Richard R.
The Boeing Company
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