Three-dimensional homologous surveying method and the related in

Details Three-dimensional homologous surveying method and the related in Three-dimensional homologous surveying method and the related in

1998-07-08

2000-04-18

Gutierrez, Diego

Geometrical instruments

Indicator of direction of force traversing natural media

Magnetic field responsive

33355D, 33395, 33318, G01C 1714, G01C 1738

Patent

active

060499893

ABSTRACT:
A three-dimensional homologous surveying instrument includes a base with an outer spherical shell mounted thereon for receiving therein a ring-shaped shell holder, an intermediate spherical shell and an inner spherical shell with respective zero references at in a homologous relationship with each other. The inner spherical shell rotates within the intermediate spherical shell about X-axis. The intermediate spherical shell rotates within the ring-shaped shell holder about Y-axis. The outer spherical shell is positioned in the base to serve as the X-axis. The inner spherical shell and the intermediate spherical shell each have a pendulum at the bottom. The outer spherical shell, the ring-shaped shell holder, the inner spherical shell and the intermediate spherical shell form a gyroscopic device for three dimensional surveying through X-axis, Y-axis and Z-axis concomitantly. The pendulum of the inner spherical shell is mounted with a compass for indicating the direction of the angle of slope being surveyed.

REFERENCES:
patent: 3949483 (1976-04-01), White
patent: 4945647 (1990-08-01), Beneventano et al.
patent: 5138771 (1992-08-01), Lee
patent: 5269065 (1993-12-01), Ida
patent: 5469630 (1995-11-01), Lewis
patent: 5528837 (1996-06-01), Hartmann et al.

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