Geometrical instruments – Straight-line light ray type – Structurally installed
Patent
1987-03-02
1988-03-29
Haroian, Harry N.
Geometrical instruments
Straight-line light ray type
Structurally installed
F41G 146
Patent
active
047334746
ABSTRACT:
The present invention provides an archery sight having an elongated housing which is secured to the bow. A first opening extends through the front and rear sides of the housing while a second opening is longitudinally positioned from the first opening and is only opened to the front side of the bow. A planar mirror is secured along one side of the first opening while the housing and a parabolic mirror is contained within the housing and alinged with the second opening. The other side of the first opening is transparent so that a split image is viewed through the first opening. Both the parabolic mirror and the planar mirror are arranged so that when the halves of the split image viewed through the first opening are aligned, the bow is properly aimed. In another form of the invention, two planar mirrors are contained in the housing while a parabolic mirror is disposed across the second opening. The mirrors can also be constructed as a prism.
REFERENCES:
patent: 3524440 (1970-08-01), Hill
patent: 3861051 (1975-01-01), Killian
patent: 4167333 (1979-09-01), Young
patent: 4178693 (1979-12-01), Smith
patent: 4375725 (1983-03-01), Orlob
patent: 4507874 (1985-04-01), Brown
patent: 4555856 (1985-12-01), Brown
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