Improved adjustment means for sighting instrument

Details Improved adjustment means for sighting instrument Improved adjustment means for sighting instrument

1987-07-09

1989-08-22

McGraw, Vincent P.

Optics: measuring and testing

Fiducial instruments

Reticle lies outside viewing path

33241, G02B 2310

Patent

active

048590584

ABSTRACT:
A light dot reticle rifle shooting sight has tubular lens and battery housings supported in parallel for movement from right-handed to left-handed shooter positions by 90 degree rotation of a circumferential groove on the lens housing relative to a pin projecting into the groove from a mounting strap. Elevation and windage adjustments of the light dot are provided by adjustment screws that pivot a lens tube against diametrically opposed rubber biasing cushions and a coaxial position restoring force of a rubber ring fulcrum through which the tube extends. Rotation of the sight from right- to left-handed position interchanges the elevation and windage adjustment functions of the screws.

REFERENCES:
patent: 2479272 (1949-08-01), Richards
patent: 3942901 (1976-03-01), Ekstrand

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