Ballistic arrow tip

Details Ballistic arrow tip Ballistic arrow tip

1992-05-18

1993-04-20

Shapiro, Paul E.

Amusement devices: games

Problem eliciting response

342386, F42B 608

Patent

active

052035735

ABSTRACT:
An arrowhead for use in a ballistic arrow having a radio locating transmitter comprises a composite structure of a dielectric shank having a plurality of electrically conductive blades that function as a counterpoise for a primary antenna of the transmitter. The blades are disposed symmetrically about a long axis of the shank in respective, uniformly spaced planes that extend radially outwardly from the outer surface of the shank. Another embodiment of the composite arrowhead comprises a unitary dielectric shank and blades wherein the counterpoise is formed by deposition of a thin metal layer on at least a portion of the shank and blade surfaces. The combination of the dielectric shank which is of low density and the electrically conductive counterpoise that is of small mass, effects an overall weight reduction in the arrow to achieve a flatter trajectory and increased flight range.

REFERENCES:
patent: 2676017 (1954-04-01), Selent et al.
patent: 4234191 (1980-11-01), Erlandson
patent: 4704612 (1987-11-01), Boy et al.
patent: 5024447 (1991-06-01), Jude
patent: 5078407 (1992-01-01), Carlston et al.
Bow & Arrow Magazine's Bowhunters Annual, No. 16, 1991 Jul. 1991, X-Caliber Advertisement.
Bow & Arrow Hunting, Oct. 1990, Turbo SS Advertisement.

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