Geometrical instruments – Indicator of direction of force traversing natural media – Level or plumb – terrestrial gravitation responsive
Patent
1989-07-28
1991-08-27
Will, Thomas B.
Geometrical instruments
Indicator of direction of force traversing natural media
Level or plumb, terrestrial gravitation responsive
33391, 33396, G01C 906, G01C 910
Patent
active
050421581
ABSTRACT:
An inclination sensor, in particular for measuring an inclination of service lines and/or ram boring machines, comprising a pendulum arranged in a measuring cell and at least one displacement sensor measuring the deflection of the pendulum. The pendulum comprises a body moving on a circular arcuate path in the measuring cell, the length of the pendulum being the same as the radius of the path. In this way a pendulum length can be obtained that is larger than the diameter of the measuring cell so as to obtain a large deflection of the body for a given angle and thereby achieve high sensitivity and accuracy of measurement.
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Schmidt Paul
Will Thomas B.
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