Inclination indicating apparatus

Details Inclination indicating apparatus Inclination indicating apparatus

1982-01-04

1984-01-31

Haroian, Harry N.

Geometrical instruments

Indicator of direction of force traversing natural media

Level or plumb, terrestrial gravitation responsive

33370, 33333, G01C 906

Patent

active

044281250

ABSTRACT:
A conventional mining bore hole drill assembly having a drill mounted on a boom wherein the orientation of the drill and boom with respect to the mined material is readily adjustable. First and second inclination detectors are mounted on the boom with each detector including gravity actuated switching devices. Inclination apparatus further including read out devices positioned at the equipment operator's station to continuously allow the operator to determine whether the bore hole is being drilled at the proper angle of inclination.

REFERENCES:
patent: 2338811 (1944-01-01), Hasbrook
patent: 3218624 (1965-11-01), Zane
patent: 3612190 (1971-10-01), Wills
patent: 3859651 (1975-01-01), Thomas
patent: 3865265 (1975-02-01), Brudi

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