Archery arrow shaft with reduced diameter rearward end for nock

Games using tangible projectile – Projectile – per se; part thereof or accessory therefor – Arrow – dart – or shuttlecock; part thereof

Patent

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Details

473586, F42B 604

Patent

active

060172843

ABSTRACT:
A hollow archery arrow shaft has a rearward end portion which is reduced in inside diameter to frictionally receive and hold the mounting shank of a standard nock. This configuration eliminates the need for a bushing in the rearward end of the arrow shaft for accepting the mounting shank of the nock. Reduced arrow weight and better nock positioning and alignment results in faster and more accurate arrow flight. In aluminum arrows, the reduced diameter portion can be formed by swaging the end portion of the arrow shaft to the smaller diameter.

REFERENCES:
patent: 2288562 (1942-06-01), Birkhofer et al.
patent: 2499044 (1950-02-01), Wagg et al.
patent: 5290044 (1994-03-01), Easton et al.
patent: 5306019 (1994-04-01), Guest et al.
patent: 5465979 (1995-11-01), Buhler
patent: 5547200 (1996-08-01), Rangel

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