Sight with reduced friction line of sight adjustment

Details Sight with reduced friction line of sight adjustment Sight with reduced friction line of sight adjustment

1977-12-20

1981-09-01

Stearns, Richard R.

Geometrical instruments

Straight-line light ray type

Multisight line

350 10, F41G 138, G02B 2732

Patent

active

042863880

ABSTRACT:
A line of sight adjustment mechanism for an optical gun sight which includes windage and elevation screws which bear against an internal component of the sight that defines the line of sight of the sight. A spring biases the internal component against the windage and elevation screws. Hardened steel balls are set into the internal component and affixed thereto at approximate positions to provide point contact between the internal component and the windage and elevation screws, and between the internal component and the spring. Adjustment friction is thus reduced with a resultant reduction in tracking error.

REFERENCES:
patent: 1950790 (1934-03-01), Fahrenwald
patent: 2355384 (1944-08-01), Litschert
patent: 2913826 (1959-11-01), Petty
patent: 3081548 (1963-03-01), Schwartz
patent: 3184852 (1965-05-01), Hageman
patent: 3762057 (1973-10-01), Kaifesh
patent: 3827154 (1974-08-01), Kaifesh

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