Aiming device

Details Aiming device Aiming device

1987-03-17

1989-08-15

Corbin, John K.

350266, 350408, G02B 530, G02B 2602, G02B 2728

Patent

active

048568791

ABSTRACT:
An aiming device (diopter) has an easily removable eyepiece with adjustable diaphragm mounted on one end of a housing portion which housing portion has a cavity eccentrically formed therein. A color filter disc and two polarizing filter discs are rotatably disposed in the cavity and provided with circumferential gear structures which are in engagement with internal gear structures formed on operating rings extending around the housing portion and the respective discs to move the discs relative to the viewing axis of the aiming device.

REFERENCES:
patent: 3456351 (1969-07-01), Gehmann
patent: 3732793 (1973-05-01), Tague
patent: 4392723 (1983-07-01), Gehmann

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