Dart with dual action arrangement

Details Dart with dual action arrangement Dart with dual action arrangement

2007-07-10

2007-07-10

Ricci, John A. (Department: 3711)

Games using tangible projectile

Projectile, per se; part thereof or accessory therefor

Arrow, dart, or shuttlecock; part thereof

Reexamination Certificate

active

11332119

ABSTRACT:
A dart includes a dart barrel, a shaft having a sliding end portion, and a dual action arrangement. The dart barrel has a head portion and a shaft channel coaxially extending at the head portion, and defining a head opening at the head portion to communicate with the shaft channel. The dual action arrangement includes a tubular shaft housing detachably mounted at the head opening of the dart barrel, wherein the shaft housing has a sliding slot coaxially aligning with the shaft channel for the a sliding end portion of the shaft sliding therealong. The tubular elastic element is coaxially mounted at the sliding end portion of the shaft for applying an urging force against an inner circumferential wall of the sliding slot so as to minimize a clearance between the sliding slot and the sliding end portion of the shaft.

REFERENCES:
patent: 4230322 (1980-10-01), Bottelsen
patent: 5009433 (1991-04-01), Reid
patent: 5603506 (1997-02-01), Pickup
patent: 5611543 (1997-03-01), Bottelsen
patent: 5947851 (1999-09-01), Kicks et al.
patent: 6248033 (2001-06-01), Lowy
patent: 6524201 (2003-02-01), Fenn
patent: 6533688 (2003-03-01), Huang

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