Controlled deceleration projectile

Details Controlled deceleration projectile Controlled deceleration projectile

2009-05-04

2011-11-15

Hayes, Bret (Department: 3641)

Ammunition and explosives

Projectiles

Nonlethal or deterrent

Reexamination Certificate

active

08056481

ABSTRACT:
The present invention provides a controlled deceleration projectile, in particular, a projectile having a nose-mounted fuze thereon, which initiates an ignition/expulsion charge via an ignition shaft in the interior portion of the projectile body at a preset distance from target impact, resulting in inflation of the projectile body with propellant gases to a level sufficient to either expand same, rupturing of a rupture ring, or sliding of the hollow projectile body rearwards relative to the ignition shaft, so as to create an annular opening between the projectile body side wall and projectile body forward end. The payload, which is preferably non-lethal, is then ejected from this annular opening, the resulting forward velocity of the expelled payload and propellant gases producing a rearward thrust on the projectile, and a concomitant deceleration thereof. Additional mechanisms for creating reverse thrust are also provided, involving the expulsion of rear ballast or rocket thrust from rear chamber ports disposed within the projectile.

REFERENCES:
patent: 1042176 (1912-10-01), Voeller
patent: 4294172 (1981-10-01), Rauschert et al.
patent: 4333402 (1982-06-01), Landstrom et al.
patent: 4446794 (1984-05-01), Simmons
patent: 4892038 (1990-01-01), Lubbers
patent: 6523478 (2003-02-01), Gonzalez et al.
patent: 6688032 (2004-02-01), Gonzalez et al.

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