Geometrical instruments – Straight-line light ray type – Structurally installed
Patent
1985-08-22
1986-02-18
Martin, Jr., William D.
Geometrical instruments
Straight-line light ray type
Structurally installed
33233, F41G 146
Patent
active
045703523
ABSTRACT:
Bow sight for accurate aiming of an archery bow. The sight includes a mount for supporting a front sight and a rear sight a predetermined distance apart. The front sight has a staircase configuration while the rear sight consists of an opening including cross-hairs. In operation, the cross-hairs of the rear sight are aligned on a target and the bow is elevated to place selected portions of the staircase arrangement of the front sight into alignment with the cross-hairs.
REFERENCES:
patent: 472069 (1892-04-01), Ord
patent: 2574599 (1951-11-01), Stieber
patent: 2909167 (1959-10-01), Fredrickson
patent: 2970380 (1961-02-01), Hill
patent: 3499224 (1970-03-01), Squier et al.
patent: 3648376 (1972-03-01), Millnamow
patent: 3698091 (1972-10-01), Merrill et al.
York Archery, Independence, MO 64051, Brochure "Trophy II" Graphite.
Darton Archery Equipment, "SL 3000".
Pro Staff Bows, "2300 Magnum".
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