Geometrical instruments – Indicator of direction of force traversing natural media – Borehole direction or inclination
Patent
1982-01-28
1984-01-31
Haroian, Harry N.
Geometrical instruments
Indicator of direction of force traversing natural media
Borehole direction or inclination
33350, E21B 47022
Patent
active
044281234
ABSTRACT:
An improved mounting between a cylindrical package, containing a sensitive instrument, and a protective cylindrical housing disposed thereabout. Plugs at opposite ends of the housing each have a conical recess opening toward the other plug and between which the package is confined. O-rings at each end of the package engage the tapered wall of the adjacent recess and absorb longitudinal and radial shock and center the package within the housing. To restrain relative rotational movement between the housing and instrument package, a plurality of coil springs are disposed within aligned bores in an end of the package and the adjacent plug.
REFERENCES:
patent: 1823336 (1931-09-01), Shakhnazarov
patent: 2187028 (1940-01-01), Hendrickson
patent: 2190790 (1940-02-01), Humphreys
patent: 2255295 (1941-09-01), Miller
patent: 3791043 (1974-02-01), Russell
patent: 4141153 (1979-02-01), Nelson
Hulsing II Rand H.
Morrow John A.
Haroian Harry N.
Sundstrand Data Control Inc.
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