Games using tangible projectile – Projectile – per se; part thereof or accessory therefor – Arrow – dart – or shuttlecock; part thereof
Patent
1997-05-29
1998-09-08
Graham, Mark S.
Games using tangible projectile
Projectile, per se; part thereof or accessory therefor
Arrow, dart, or shuttlecock; part thereof
F42B 608
Patent
active
058038442
ABSTRACT:
An arrowhead for an arrow that utilizes a blade locking ring for retaining and releasing a set of expandable blades. The arrow has a slotted ferrule for rotatably attaching a set of expandable blades. Each expandable blade has a ear having a notch and a rim for holding the blade locking ring in a retaining and releasing position, respectively. The rim is dimensioned in view of the width of the blade locking ring, so that outward projections are minimized. Operationally, the tip of the arrow penetrates a given distance before actuation of the releasing mechanism, so that the expandable blades open within the body of the animal. The skin of the target displaces the blade locking ring from the notch to the rim, causing the blades to pivot outward. As such, the impact force is maximized to inflict greater damage inside the animal, therefore increasing the chances of getting a kill. The blade locking ring is pushed onto the arrow shaft for reuse by the hunter.
REFERENCES:
patent: 4615529 (1986-10-01), Vocal
patent: 4976443 (1990-12-01), DeLucia
patent: 5078407 (1992-01-01), Carlston et al.
patent: 5112063 (1992-05-01), Puckett
patent: 5178398 (1993-01-01), Eddy
patent: 5458341 (1995-10-01), Forrest et al.
patent: 5478089 (1995-12-01), Austin
patent: 5564713 (1996-10-01), Mizek et al.
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