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US 12,467,703 B2Granted
Cartridges for recoil management of shoulder fired weapons
AssigneeRaytheon Company
InventorsRoger C. Esplin, Daniel Kenneth Johnson, Morgan J. Bakarich, Saeed Adil Merza, Gary Leonard Abrams, Cody Alan Jensen
Life of this patent
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Abstract
A cartridge (20) has a cartridge case (22) extending along an axis (500) from a base (104) to a mouth (102) and having an interior. A projectile (24) is mounted in the case. A propellant (26) is contained within the case. The propellant has an annular grain encircling the axis.
Claims21
A cartridge (20) comprising:
- a cartridge case (22) extending from a base (104) to a mouth (102) and having an interior;
- a projectile (24) mounted in the case and having a rocket motor (48);
- a primer (28) mounted in the base, the primer comprising:
- a main primer charge (194);
- and
- a percussion primer (192) having a percussion primer charge (196);
- and
- a propellant grain (26) within the case interior,
- wherein:
- a nozzle (153) is encircled by the propellant grain and comprises a plurality of radially-open outlet ports (170);
- and
- the propellant grain comprises an annular body encircling a centerline (500) of the cartridge.
9 more elements
A loaded firearm (400) comprising:
- a barrel (402) having:
- a muzzle (408);
- and
- a chamber (404);
- and
- a cartridge (20) accommodated by the chamber and comprising:
- a cartridge case (22) extending from a base (104) to a mouth (102) and having an interior;
- a projectile (24) mounted in the case;
- a primer (28) mounted in the base, the primer comprising:
- a main primer charge (194);
- and
- a percussion primer (192) having a percussion primer charge (196);
- and
- a propellant grain (26) within the case interior,
- wherein:
- the cartridge has a nozzle (153) encircled by the propellant grain and comprises a plurality of radially-open outlet ports (170);
- the propellant grain comprises an annular body encircling a centerline (500) of the cartridge;
- and
- the case extends through the muzzle.
16 more elements
Dependencies are inferred from the claim text.