Amusement devices: games – Aerial projectile game; game element or accessory therefor... – Projectile backstop
Patent
1990-05-04
1993-12-28
Shapiro, Paul E.
Amusement devices: games
Aerial projectile game; game element or accessory therefor...
Projectile backstop
138173, F42B 604
Patent
active
052732932
ABSTRACT:
An arrow and its shaft wherein the shaft has a longitudinal axis extending between the arrowhead and the arrow nock. Flight feathers are disposed on the shaft near the nock to guide and rotate the arrow during flight. The shaft is hollow having longitudinally extended flutes to strengthen and stiffen the shaft. Strengthening and stiffening the shaft permits a smaller diameter shaft with a thinner wall thickness to be used to lighten the shaft and arrow without sacrificing the strength and stiffness of the arrow.
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Archer's Bible 1966-67 Mar. 1967 pp. 53-55.
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