Laser boresight for the sighting in of a gun

Details Laser boresight for the sighting in of a gun Laser boresight for the sighting in of a gun

1992-12-23

1994-11-22

Fulton, Christopher

Geometrical instruments

Straight-line light ray type

Aerial bomb sight

33DIG21, 42103, F41G 154, G01B 1127

Patent

active

053656695

ABSTRACT:
A boresight for determining the accuracy of a gunsight wherein a cartridge-shaped housing is dimensioned to fit within the gun chamber. A laser is contained in the housing. A switch is positioned in the end surface of the boresight housing to be contacted by the bolt face of the gun. The switch contains an indentation to receive the firing pin when the bolt face contacts the switch to activate the laser and illuminate a distant spot.

REFERENCES:
patent: 2773309 (1956-12-01), Elliott
patent: 2889629 (1959-06-01), Darkenwald
patent: 3510965 (1970-05-01), Rhea
patent: 3782832 (1974-01-01), Hacskaylo
patent: 3938262 (1976-02-01), Dye et al.
patent: 4825258 (1989-04-01), Whitson
patent: 4879814 (1989-11-01), Wallace et al.
patent: 4976038 (1990-12-01), Nattrass
patent: 5001836 (1991-03-01), Cameron et al.

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