Geometrical instruments – Straight-line light ray type – Structurally installed
Patent
1991-09-30
1992-09-22
Haroian, Harry N.
Geometrical instruments
Straight-line light ray type
Structurally installed
F41B 500
Patent
active
051486032
ABSTRACT:
A rear peep sight apparatus for use with a projectile device such as a bow includes a body formed of a transparent material for mounting in a bow string. The body has generally parallel front and rear surfaces connected by a curved side surface and the side surface and a portion of each of the front and rear surfaces is opaque. The body has a cavity formed therein for mounting a light source which is either self contained or connected by a spiral wound elastic conductor to a battery and switch enclosed in a housing which can be releasably attached to the bow. The peep sight can include a sighting device such as, for example, an oval ring, a dot and a cross hair. In the alternative, the light source can be located in the housing and the light transmitted through a fiber optic conductor to the body. As another alternative, the sighting device can be a centrally located aperture formed at an angle through the body surrounded by a first plurality of locator apertures formed in the body in the shape of a cross hair and a second plurality of target apertures formed in the body at the angle and positioned between the locator apertures and the centrally located aperture.
REFERENCES:
patent: 2171571 (1939-09-01), Karnes
patent: 3410644 (1968-11-01), McLendon
patent: 4220983 (1980-09-01), Schroeder
patent: 4625422 (1986-12-01), Carlson
patent: 4848306 (1989-07-01), Treaster
patent: 4977677 (1990-12-01), Troescher
Clemens William J.
Haroian Harry N.
Robertson Kenneth
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