Pyramid projectile payload ejection device

Details Pyramid projectile payload ejection device Pyramid projectile payload ejection device

1973-11-02

1976-09-21

Pendegrass, Verlin R.

Ammunition and explosives

Igniting devices and systems

F42B 1350

Patent

active

039812448

ABSTRACT:
In a projectile wherein a payload is to be ejected at a selected point al the trajectory of the projectile, an improvement for increasing the payload through the loading of the projectile volume encompassed by the ogive portion thereof. The projectile is provided with an expulsion charge cup disposed proximate the nose for supplying an explosively expanding gas to eject the payload carried within the center and rear portions of the projectile housing. Intermediate the expulsion cup and the primary payload and within the projectile ogive there is disposed for sliding movement a pusher assembly which in one embodiment is in the form of an open cup with the closed end opposite the expulsion charge and carrying an "O" ring between its outer surface and the inner surface of the projectile housing. In the second embodiment the cup structure is in the form of two parts. A hollow circular cylinder partially closed at one end and having a pusher plate closing the partially open end of the cylinder and being formed with an annular shoulder abutting the inner peripheral surface defining the opening in the partially closed end. In both embodiments the forward inner surface of projectile housing carries an inwardly directed stop for terminating the movement of said expulsion mechanism.

REFERENCES:
patent: 2398740 (1946-04-01), Halvey
patent: 3404630 (1968-10-01), Grandy
patent: 3460507 (1969-08-01), Little et al.
patent: 3677182 (1972-07-01), Peterson

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