Geometrical instruments – Straight-line light ray type – Structurally installed
Patent
1994-06-27
1995-05-30
Fulton, Christopher W.
Geometrical instruments
Straight-line light ray type
Structurally installed
124 87, F41G 1467
Patent
active
054190517
ABSTRACT:
A bowsight for attachment to a bow. The bowsight has a crosswire frame which is supported by a bracket held to the bow. A pin slide is formed in an inner frame member and has a cylindrical opening. The pins are held on discs which slide into the cylindrical opening and which are tightened by an Allen screw against a slot in the disc, thereby expanding the disc against the side of the pin slot. The crosswire frame may be incrementally moved up and down with respect to the bracket by a series of detents in the frame and a spring loaded ball in the bracket. The spring loaded ball may be tightened so that the spring is completely compressed thereby locking the ball in a chosen detent.
REFERENCES:
patent: 2654152 (1953-10-01), La Vire
patent: 3670422 (1972-06-01), Stebbins et al.
patent: 5174269 (1992-12-01), Sappington
patent: 5220907 (1993-06-01), Longsdale
patent: 5228204 (1993-07-01), Khoshnood
Averill, Jr. Edgar W.
Fulton Christopher W.
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