Ferrule with irregular skin surface for an archery broadhead

Details Ferrule with irregular skin surface for an archery broadhead Ferrule with irregular skin surface for an archery broadhead

1997-12-12

1999-02-16

Ricci, John A.

Games using tangible projectile

Player-held device for both projecting and catching aerial...

F42B 608

Patent

active

058714103

ABSTRACT:
An archery broadhead having a ferrule body with longitudinal grooves that accept a plurality of fixed and/or pivotal blades. At least a port ion of the ferrule body has a multiplicity of irregularities that form an irregular skin surface having a surface roughness. The irregularities enhance aerodynamic flight characteristics of the broadhead and also reduce frictional drag as the broadhead penetrates a target. The irregularities can be formed by a directional, non-directional or multi-directional set of repeating dimples, grooves, lands, stippling and/or any other suitable structure that forms a pattern, uniform or non-uniform.

REFERENCES:
patent: 4529208 (1985-07-01), Simo
patent: 4676512 (1987-06-01), Simo
patent: 4846481 (1989-07-01), Wageman
patent: 5114156 (1992-05-01), Saunders
patent: 5562291 (1996-10-01), Garcia

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