Geometrical instruments – Straight-line light ray type – Structurally installed
Patent
1996-06-03
1998-07-21
Fulton, Christopher W.
Geometrical instruments
Straight-line light ray type
Structurally installed
33283, 33DIG1, 124 87, F41G 1467
Patent
active
057820023
ABSTRACT:
Laser guidance apparatus for providing great accuracy of aiming a bow-and-arrow assembly. The apparatus provides a cam member which provides a double-adjustment feature of the inclination necessary for the proper trajectory of the arrow, taking account of the difference between the aiming inclination for a desired shot trajectory and the non-effect of gravity on the laser beam; and a cam member provides both the adjustment of the inclination to adjust for distance to the target, and for differences in the shooting assembly factors of arrow weight, pulling force, etc.
REFERENCES:
patent: 3013336 (1961-12-01), Pennington
patent: 4616422 (1986-10-01), Gaddy
patent: 4961265 (1990-10-01), Roberts
patent: 5117804 (1992-06-01), Jorlov
patent: 5419050 (1995-05-01), Moore
patent: 5495675 (1996-03-01), Huang
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