Bow angle tuner

Details Bow angle tuner Bow angle tuner

1992-12-17

1994-10-04

Cuchlinski, Jr., Willaim A.

Geometrical instruments

Gauge

Target, weapon, or weapon projectile

33265, 33474, G01B 500

Patent

active

053514076

ABSTRACT:
A bow angle tuner for aligning an arrow to an archery bow, for precise arrow flight, while the arrow is in the bow, by measurements or comparisons which integrate a minimum of five mechanical bow adjustments, and the diameter of the arrow. A planar member includes a groove, either angular or circular, on one face in which an arrow, of any commercially available diameter, is releaseably secured. One or more rulers, of suitable and equal length, are releaseably attached to, or integral to, the planar member and positioned in such a manner that the rulers form an included angle of less than one hundred eighty degrees and the included angle is bisected by the groove in the planar member and centers on the groove in the planar member. Measurements from the extremities of the rulers to the intersection of each bow limb to the bow riser allows alignment for vertical arrow flight as an expression of the variable relationship between the angularity of the bow, the vertical location of the arrow rest, the distance from the arrow rest to the bow string, and the diameter of the arrow. Comparative proximity of the rulers to the bow string or bow limb tips while the bow is at rest, and at full draw, allow alignment of the arrow for horizontal arrow flight. One or more posts attach to the rulers, or planar member, and allow comparisons of cable angles for eccentric wheel timing, which is an expression of tiller distance.

REFERENCES:
patent: 3651578 (1972-03-01), Saunders et al.
patent: 4398354 (1983-08-01), Finlay
patent: 4594786 (1986-06-01), Rezmer
patent: 4999922 (1991-03-01), Loggins
patent: 5060627 (1991-10-01), Fenchel
patent: 5175937 (1993-01-01), Emerson, III

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