Vertical shaft system for gyroscopic theodolites with two degree

Details Vertical shaft system for gyroscopic theodolites with two degree Vertical shaft system for gyroscopic theodolites with two degree

1983-09-02

1987-01-13

Little, Willis

Geometrical instruments

Indicator of direction of force traversing natural media

Gyroscopically controlled or stabilized

33275G, 33281, 33397, G01C 1900

Patent

active

046353755

ABSTRACT:
A vertical shaft system for gyroscopic theodolites with two degrees of freedom for ensuring the vertical alignment of the azimuth determining pendulum system in the apparatus, wherein perforated stones are arranged in two axial points on the housing and on the azimuth determining pendulum system of the apparatus, and wires clamped on both ends are threaded through the perforated stones and tensioned by tensioning elements, furthermore perforated guiding stones are formed for alignment of the tensioned wires, and surfaces of rotation are formed in the vicinity of the axial points between the housing and azimuth determining pendulum system with an air gap about the wires.

REFERENCES:
patent: 2000524 (1935-05-01), Kothny, et al.
patent: 2852943 (1958-09-01), Sedgfield
patent: 3162951 (1964-12-01), Hintze, et al.
patent: 3619905 (1971-11-01), Stier

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