Geometrical instruments – Straight-line light ray type – Rod or target
Patent
1984-07-19
1985-10-29
Stearns, Richard R.
Geometrical instruments
Straight-line light ray type
Rod or target
33286, G01C 1500
Patent
active
045493600
ABSTRACT:
An alignment-target mount for permanent installation along an optical line-of-sight is disclosed. The mount includes a cylindrical body of a nonferrous material, which body, in turn, includes a hollow casing with a longitudinal axis substantially positionable within the vertical plane of the line-of-sight; a plug attachable to the inner casing wall having a rotatably positionable slideway thereacross; an alignment-target base slidably supported by the slideway of the plug and adjustable along a line predetermined by the rotational position of the plug; and a locking device for affixing the target base to the plug. With the basic unit, there is included a demountable target assembly affixable to the alignment-target base. The geometry of the target base is such that the alignment target is supported with the longitudinal axis thereof parallel to the vertical plane with the line-of-sight therewithin. In the arrangement disclosed and with the unit permanently installed, the demountable target assembly is mountable during the use of the optical line-of-sight, demountable therefrom, and remountable on the optical line-of-sight without further adjustment.
REFERENCES:
patent: 2467733 (1949-04-01), Ehrenberg
patent: 4141310 (1979-02-01), Rich, Jr.
patent: 4428122 (1984-01-01), Mann
Algate Instrument Corp.
Silber Siegmar
Stearns Richard R.
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