Throwing good for use in sky diving

Details Throwing good for use in sky diving Throwing good for use in sky diving

1999-03-02

2000-11-14

Wong, Steven

Games using tangible projectile

Projectile, per se; part thereof or accessory therefor

473594, 473581, A63B 6500

Patent

active

061462926

ABSTRACT:
A throwing good for use in sky diving, including a thin-gage, synthetic resin-made back body, a roughly circular opening window, a needle, a front body, and ballast water. The back body has a bottom and a cylindrical shape. The bottom has a small hole which can be opened and closed at will by means of a plug. The opening window is provided on the wall close to the front opening of the back body. The needle is directed toward the opening window protruded from the inner wall confronting the opening window. The front body has the same diameter as that of the back body of which back opening has a tip shaped into a hemisphere. The back opening of the front body is joined to the front opening of the back body and the joining portion is integrated by covering it with a rubber band of broad width capable of covering even the opening window. The ballast water fills the front body.

REFERENCES:
patent: 3415520 (1968-12-01), Woodward
patent: 4135559 (1979-01-01), Barnby
patent: 5514023 (1996-05-01), Warner
patent: 5538456 (1996-07-01), Liu et al.
patent: 5836842 (1998-11-01), McLearan

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