Geometrical instruments – Indicator of direction of force traversing natural media – Gyroscopically controlled or stabilized
Patent
1977-09-12
1979-05-01
Aegerter, Richard E.
Geometrical instruments
Indicator of direction of force traversing natural media
Gyroscopically controlled or stabilized
33328, 33351, G01C 1900
Patent
active
041516567
ABSTRACT:
A manually manipulatable gyro-stabilized indicating instrument which may be used by pipefitters, carpenters, builders, land and road graders and the like for solving a construction problem involving determining the orientation in space of an unknown geometrical plane with reference to a known geometrical plane, or using a known or unknown geometrical plane as a reference and either establishing in space a geometrical plane having a predetermined orientation with reference to the known or unknown geometrical plane. The instrument has at least one straight planar surface and a gyroscope or gyroscopes operatively connected to the straight planar surface and having motive means for driving the gyroscope or gyroscopes to a continuous stabilized condition relative to the straight planar surface in any fixed position and location assumed by the straight planar surface at the time the gyroscope becomes gyroscopes become stabilized. An indicator arrangement is connected to the straight planar surface and to the gyroscope or gyroscopes in such manner as to indicate the orientation in space of the straight planar surface relative to its orientation in its fixed position when the instrument is moved out of its fixed position.
A bubble device may be provided to assist the gyroscope or gyroscopes in determining orientation in space of the straight planar surface of the support.
REFERENCES:
patent: 875243 (1907-12-01), Cramer
patent: 898092 (1908-09-01), Carrier
patent: 964066 (1910-07-01), Sprenkle
patent: 1856436 (1932-05-01), Schueller
patent: 2487809 (1949-11-01), Hoover et al.
Aegerter Richard E.
Dunn Malcolm G.
Eastman Kodak Company
Reece III Daniel B.
Shepperd John W.
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