Games using tangible projectile – Projectile – per se; part thereof or accessory therefor – Arrow – dart – or shuttlecock; part thereof
Patent
1999-01-11
2000-10-10
Ricci, John A.
Games using tangible projectile
Projectile, per se; part thereof or accessory therefor
Arrow, dart, or shuttlecock; part thereof
F42B 604
Patent
active
061296422
ABSTRACT:
An improved arrrow shaft is modified to include an aerodynamic groove longitudinally placed on the bottom of the shaft to improve accuracy, flatten trajectory and increase the flight distance of the arrow. The aerodynamics of the improved arrow shaft improve the flight characteristics of conventional fletched arrows and allow the use of fletchless arrows in combination with an archery bow or a crossbow.
REFERENCES:
patent: 3968784 (1976-07-01), Miller
patent: 4182513 (1980-01-01), Henderson
patent: 5273293 (1993-12-01), Lekavich
Advertisement for "X-CALIBER" Arrow Shaft, Bow & Arrow Hunting Magazine, Apr. 1985, p. 13.
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