Device for the leveling of the gyroscopic axis of a compass with

Details Device for the leveling of the gyroscopic axis of a compass with Device for the leveling of the gyroscopic axis of a compass with

1978-12-28

1981-06-30

Bonck, Rodney H.

Machine element or mechanism

Gyroscopes

With caging or parking means

33324, 74 544, 74 59, G01C 1926, G01C 1930, G01C 1938

Patent

active

042756049

ABSTRACT:
A gyrocompass with a tilt ring pivotable about a substantially horizontal axis has a U-frame swingable about that axis which forms part of a pendular system and carries a coupling lever engageable with projections on the lower end of the U-frame to immobilize the latter with respect to the tilt ring when the instrument is inactive, in order to hold a gyroscope axis perpendicular to the tilt-ring axis in a horizontal position. An antipendular system, comprising a liquid-filled U-tube swingable about the gyroscope axis, is overridden by the pendular system in the engaged position of the coupling lever but becomes effective upon disengagement thereof to let the gyroscope mechanism carry out necessary precession movements.

REFERENCES:
patent: 1309637 (1919-07-01), Klahn
patent: 1586525 (1926-06-01), Henry
patent: 2441157 (1948-05-01), Kissel
patent: 2556253 (1951-06-01), Blair et al.
patent: 2729978 (1956-01-01), Judson
patent: 3292269 (1966-12-01), Brugger

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