Nunchaku

Details Nunchaku Nunchaku

2006-08-08

2006-08-08

Huson, Gregory L. (Department: 3764)

Amusement devices: games

Striking weapon

Having similar striking members flexibly tethered together

C482S083000, C482S082000, C059S095000

Reexamination Certificate

active

07086951

ABSTRACT:
A nunchaku includes a joint pin for connecting a baton of the nunchaku to a chain. The joint pin includes a front section for extending through a bearing mounted inside the baton to project from an inner end of the baton to connect to the chain, and a circular flange provided at a rear end of the joint pin to abut against an inner side of the bearing. The flange of the joint pin has an outer diameter larger than an inner bore of the bearing and therefore effectively prevents the whole joint pin and accordingly the chain from separating from the baton even when the steel balls of the bearing are badly worn off and fail to engage with the joint pin.

REFERENCES:
patent: 1594930 (1926-08-01), Davis
patent: 2466243 (1949-04-01), Johnson
patent: 2633375 (1953-03-01), Wilcoxon
patent: 4023803 (1977-05-01), Lewis
patent: 4101123 (1978-07-01), Anthony
patent: 4136866 (1979-01-01), Bouvier
patent: 5054772 (1991-10-01), Winston
patent: 5524886 (1996-06-01), Kim
patent: 5893800 (1999-04-01), Taggart
patent: 6126292 (2000-10-01), Liu
patent: 6551222 (2003-04-01), Beaver
patent: 6887188 (2005-05-01), Davies
patent: 2004/0002408 (2004-01-01), Rigas

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