04859058 is referenced by 25 patents and cites 2 patents.

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.

Title
Improved adjustment means for sighting instrument
Application Number
7/71731
Publication Number
4859058
Application Date
July 9, 1987
Publication Date
August 22, 1989
Inventor
Per Olof S Ekstrand
2820 SE. 7th Ave., Ocala, 32671
FL, US
Agent
Warren L Franz
IPC
G02B 23/10
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