Games using tangible projectile – Projectile – per se; part thereof or accessory therefor – Arrow – dart – or shuttlecock; part thereof
Patent
1997-10-08
1998-10-20
Ricci, John A.
Games using tangible projectile
Projectile, per se; part thereof or accessory therefor
Arrow, dart, or shuttlecock; part thereof
F42B 606
Patent
active
058239022
ABSTRACT:
A nock assembly for an arrow having a rearwardly facing bore. The nock assembly includes an adapter and a nock. The adapter is mounted within the bore of the arrow, so that it is coaxial with the central longitudinal axis of the arrow. The adapter is fixed to the arrow in a predetermined angular position about the arrow axis relative to the vanes of the arrow. The adapter has a socket and a second rear opening to the socket. The nock has a head end and a bifurcated tail end. The nock is removably mounted to the adapter so that the head end of the nock is located within the socket of the adapter and the bifurcated tail end is outside of the socket. The nock assembly includes a pair of resiliently bendable locking pins that extend laterally from the head end of the nock and a forward end wall contained within the socket of the adapter, and perpendicular to the longitudinal axis of the arrow. The forward end wall has an aperture and a forward surface. The head end of the nock which contains the locking pins extends through the aperture so that the pins are in front of the forward surface of the forward end wall. The forward surface of the forward end wall has a pair of cam surface which taper gradually forward from the lateral portions of the aperture to a pair of depressions in the cam surface for causing the pins to bend when the nock is rotated relative to the adapter and for biasing the nock forwardly relative to the adapter. This retains the locking pins in the depression for maintaining the nock in a locking position relative to the adapter. A detent is also located at the rear end of the adapter and at the forward end of the tail end of the nock.
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Archer's Bible, 1966-67, Mar. 1967, p. 61, Bow Fishing Arrows.
Eckert Leon A.
Guest Elmer F.
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