Arrow nocks

Details Arrow nocks Arrow nocks

2011-04-12

2011-04-12

Ricci, John (Department: 3711)

Games using tangible projectile

Projectile, per se; part thereof or accessory therefor

Arrow, dart, or shuttlecock; part thereof

C473S586000

Reexamination Certificate

active

07922609

ABSTRACT:
An arrow nock having a telescoping impeller and housing with a resilient spring for enhancing the acceleration of launch. In various embodiments, effective together or independently, the housing and impeller are configured and coupled to: create arrow rotation during launch; grip the bowstring during notching and release it during launch; and generate tracking signals.

REFERENCES:
patent: 4111424 (1978-09-01), Schreiber
patent: 4900037 (1990-02-01), Miller
patent: 5134552 (1992-07-01), Call
patent: 5186470 (1993-02-01), Easton
patent: 5642887 (1997-07-01), Orav
patent: 5846147 (1998-12-01), Basik
patent: 5971875 (1999-10-01), Hill
patent: 6203457 (2001-03-01), Snook
patent: 6478700 (2002-11-01), Hartman
patent: 6595880 (2003-07-01), Becker
patent: 6877500 (2005-04-01), Hollers

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