Fin protection device

Details Fin protection device Fin protection device

1989-08-10

1990-06-26

Jordan, Charles T.

Ammunition and explosives

Projectiles

Composite

F42B 1408

Patent

active

049362194

ABSTRACT:
A device for protecting the fins of a projectile having a cylindrical houg with a closed base, a side wall and an open end, the closed base having a seat for transmitting a portion of the propellant forces used to launch the projectile to the fins, the open end having pivotably attached a number of petal enclosures in the shape of a frustrum of a right circular cone with a contoured surface at one end. A modified sabot retaining ring keeps the petals in a closed position against the projectile. Either a spring, a petal bell or an explosive is used for opening the petals after the projectile exits the muzzle end of a launcher.

REFERENCES:
patent: 2998780 (1961-09-01), Anspacher et al.
patent: 3186342 (1965-06-01), Hancock
patent: 3961580 (1976-06-01), Burnett et al.
patent: 4408538 (1983-10-01), Deffayet et al.
patent: 4434718 (1984-03-01), Kopsch et al.
patent: 4658728 (1987-04-01), Amos et al.
patent: 4709638 (1987-12-01), Broden et al.

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