Geometrical instruments – Straight-line light ray type – Multisight line
Patent
1994-12-16
1996-05-28
Cuchlinski, Jr., William A.
Geometrical instruments
Straight-line light ray type
Multisight line
33233, F41G 100, F41G 110
Patent
active
055199410
ABSTRACT:
A sight is provided for a weapon or other device requiring manual alignment with a target along a viewing line, the weapon having a barrel with front and rear sights. The sights are structured to provide sufficient visual cues to the shooter to enable effective aiming while focusing on the target rather than the sight. The rear sight closer to the shooter has a standing planar member perpendicular to the gun barrel. The rear sight has a rounded outer periphery and a substantially circular central opening joined to the top edge of the rear sight along a discontinuous edge forming rounded wings, and corresponding to a tangent of the circular opening. The front sight has a solid cylinder whose axis is parallel to the axis of the gun barrel. The front sight cylinder is dimensioned relative to the rear sight opening to substantially fill the rear sight opening when the shooter's view is aligned along the barrel to the target. The cylinder can have a vertical longitudinal slit that passes light when the shooter's view is parallel to the axis. The slit in the cylinder and any opening between the cylinder and the rear sight opening provide visual indicators of proper aim. The slit appears to the shooter as a line under the target. When properly aimed, no or little light passes around the cylinder through the circular opening. When improperly aimed, a laterally asymmetrical arc of light is visible, having a diameter substantially equal to the diameter of the cylinder, which is visible to the shooter while focusing on the target and helps to readily correct aim.
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Magazine advertisement, in the Mar./Apr. 1993 issue of `American Handgunner`, of `Trijicon` brand night sight.
Magazine Advertisement of `Pachmayr` brand handgun sight. (no date).
Basic Pistol Markmanship Guide by the U.S. Army Markmanship Unit, pp. 7-8 back and and front cover (1983).
Bennett G. Bradley
Cuchlinski Jr. William A.
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