URBAN COMBAT SYSTEM AUTOMATIC FIREARM HAVING AMMUNITION FEED CONTROLLED BY WEAPON CYCLE

• US 20120144712A1
• Filed: 01/29/2009
• Published: 06/14/2012
• Est. Priority Date: 01/29/2009
• Status: Active Grant

• Current Assignee: Charles Edward Rostocil
• Original Assignee: Charles Edward Rostocil
• Inventors: Rostocil, Charles Edward
• Granted Patent: US 8,820,212 B2
• Time in Patent Office: Days
• US Class Current: 42/16
• CPC Class Codes: F41A 11/02 Modular concepts, e.g. weapon-family concepts
• CPC Class Codes: F41A 9/79 for belted ammunition
• CPC Class Codes: F41C 23/04 Folding or telescopic stocks or stock parts articulated or collapsible guns F41A11/04
• CPC Class Codes: F42B 12/362 Arrows or darts F42B12/38 takes precedence, having means for implantation, e.g. hypodermic projectiles F42B12/54; arrows or darts in general F42B6/00
• CPC Class Codes: F42B 12/64 the submissiles being of shot- or flechette-type
• CPC Class Codes: F42B 14/064 Sabots enclosing the rear end of a kinetic energy projectile, i.e. having a closed disk shaped obturator base and petals extending forward from said base
• CPC Class Codes: F42B 14/065 Sabots carrying several projectiles
• CPC Class Codes: F42B 7/02 Cartridges, i.e. cases with propellant charge and missile

Abstract

A weapon system for urban combat incorporating an automatic gun having a short recoil, a feed system with gun driven box magazines of different capacities, a detachable link-belt feed, spring buffered barrel and bolt recoil absorbing arrangement, and simplified fire control.

Claims

1. (canceled)

2. (canceled)

3. A weapon for firing live ammunition comprising:

a. a receiver assembly;

b. a barrel assembly including a chamber slidably mounted in said receiver to move fore and aft within the receiver;

c. a bolt assembly adapted to advance a feed system while ejecting fired cartridge cases during its aft movement and to chamber a live cartridges and reset said feed system during its fore movement;

d. a pistol grip assembly;

e. wherein the barrel limits said bolt recoil travel and stops the recoil travel of said bolt.

4. The weapon of claim 3 wherein said barrel assembly includes;

a. a barrel cam slider slidably mounted on said barrel to engage said receiver barrel cam mounted in said polymer receiver housing;

b. a slidably mounted cartridge guide located above the barrel chamber to aid the guidance of said cartridge into said barrel chamber.

5. (canceled)

6. A weapon for firing live ammunition comprising:

a. a receiver assembly;

b. a barrel assembly including a chamber slidably mounted in said receiver to move fore and aft within the receiver;

c. a bolt assembly adapted to advance a feed system while ejecting fired cartridge cases during its aft movement and to chamber a live cartridges and reset said feed system during its fore movement;

d. a pistol grip assembly further comprising;

i. means for the release of said bolt;

ii. a means for firing said cartridge;

iii. a means for changing the firing mode of said weapon.

7. A weapon for firing live ammunition comprising:

a. a receiver assembly;

b. a barrel assembly including a chamber slidably mounted in said receiver to move fore and aft within the receiver;

c. a bolt assembly adapted to advance a feed system while ejecting fired cartridge cases during its aft movement and to chamber a live cartridges and reset said feed system during its fore movement;

d. a pistol grip assembly;

wherein said feed system further comprises;

e. a feed ratchet mounted in said pistol grip or said receiver housing that rotates a feed drive shaft in one direction through a planetary ring gear that amplifies the rotational movement; and

f. an index plunger to engage a corresponding pocket in said receiver housing when said feed drive shaft has engaged a feed sprocket.

8. The weapon of claim 7 wherein said feed sprocket comprises;

a. a plurality of sprocket pockets into which said cartridge, a cartridge link or a cartridge carrier are adapted to lie; and

b. a plurality of ribs or grooves in said sprocket pockets to restrain fore and aft movement of said cartridge link or said cartridge carrier.

9. The weapon of claim 7 wherein said feed system includes a feed assembly comprising;

a. a feed cover assembly made predominately from polymer materials and slidably removable from said weapon for loading and unloading of said ammunition; and

b. a magazine assembly made predominately from polymer materials and slidably removable from said weapon for loading and unloading of said ammunition.

10. The weapon of claim 9 wherein said feed cover assembly comprises;

a. a linked-belt that is pulled into said feed cover assembly by the rotation of a driven secondary feed sprocket and positioned within said feed cover at near to the same plane of the driven said feed sprocket for a minimum of one belt pitch; and

b. said cartridge link with three retention clamps arranged in a Y configuration wherein said single retention clamp of one said cartridge link can be placed between two retention clamps from another said cartridge link wherein said two cartridge links can clamp over a said cartridge to compose said linked-belt of cartridges.

11. The weapon of claim 10 wherein said cartridge link has;

a. a single or plurality of said retention clamps to hold said cartridge;

b. a rim feed ramp located on the aft face of the aft retention clamp to cam said cartridge rim upward as said cartridge is pushed forward within said cartridge link;

c. a groove to restrain the fore and aft movement of said cartridge rim within said cartridge link;

d. a single or plurality of thrust grooves or thrust ribs to engage a corresponding thrust rib or thrust groove in said feed sprocket;

e. means for guiding the cartridge link while in the feed cover on the front and aft body of the cartridge link; and

f. a groove to allow a single or plurality of metal-stiffening spring clips to be added to said retention clamps.

12. The weapon of claim 10 wherein said feed cover assembly contains latches that can latch into corresponding receptacles in an ammo box comprising an opening in the top for allowing the feed of said link-belt to said weapon.

13. The weapon of claim 9 wherein said magazine assembly can comprises;

a. one or more said feed sprockets within said magazine assembly wherein they are driven in rotation by said feed drive shaft;

b. a plurality of said cartridge carriers wherein they are connected to each other to form a continuous chain of said cartridge carriers to be driven within said magazine by said feed sprockets, or;

c. a single feed sprocket wheel containing a plurality of said cartridge pockets.

14. The weapon of claim 13 wherein said cartridge carriers comprise;

a. said retention clamps to hold said cartridge;

b. said rim feed ramp located on the aft face of the said retention clamp to cam said cartridge rim upward as said cartridge is pushed forward within said cartridge carrier;

c. a groove to restrain said fore and aft movement of said cartridge rim;

d. a single or plurality of said thrust grooves or thrust ribs to engage corresponding thrust rib or thrust groove in said feed sprocket; and

e. a groove to allow a single or plurality of metal-stiffening spring clips to be added to said retention clamps.

15. The weapon of claim 13, wherein said cartridge pockets located in said feed sprocket wheel comprise;

a. said retention clamps to hold said cartridge;

b. said rim feed ramp located on the aft face of said retention clamp to cam said cartridge rim upward as said cartridge is pushed forward within said cartridge pocket of said feed sprocket wheel; and

c. a groove to restrain said fore and aft movement of said cartridge rim.

16. The weapon of claim 7 that is adapted to mount and demount a foldable shoulder stock having one or more pivot studs or hinges for mounting onto corresponding hinges or pivot studs located on said weapon.

17. The weapon of claim 10 wherein said cartridges are shotshells.

18. A shotshell cartridge comprise flechettes contained within a sabot comprising;

a. a pair or plurality of clam shell side members made from various polymer materials;

b. a plurality of flechettes or projectiles or any type;

c. a sabot base made from various polymer materials;

d. a metal disk within said sabot base to support the fined base of said flechettes.

19. The shotshell cartridge of claim 18 wherein said flechettes comprises;

a. a helical twist on one or more tail fins to induce aerodynamic roll;

b. a asymmetrical bevel point on the nose of said flechette.

20. A revolver type launcher for firing live grenade cartridges comprising:

a. a frame assembly;

b. a barrel assembly adapted to said frame assembly;

c. a cylinder assembly suitably mounted in said frame and able to be hand rotated in either counter-clockwise or clockwise direction;

d. a latch or plurality of latches used to mount said launcher to said accessory rail of said host weapon.

21. The launcher of claim 20 wherein said frame assembly comprises;

a. a double-action trigger lock;

b. one or a plurality of spring detents to position said cylinder.

22. The launcher of claim 20 wherein said frame assembly comprises;

a. a pistol grip;

b. a launcher trigger assembly containing a moveable sear member;

c. a hammer located under said launcher trigger assembly.

23. The launcher of claim 20 wherein said barrel assembly comprises;

a. a face sealing ring;

b. a buffer to soften the recoil loads transferred to said host weapon.

24. The launcher of claim 20 wherein said cylinder comprises;

a. a polymer cylinder housing;

b. a single or plurality of metal chamber inserts;

b. use or possible use of a sealing ring located in the front of each said metal chamber insert.

25. The launcher of claim 20 wherein said cylinder assembly comprising a ejector for each said cylinder chamber.

26. The launcher of claim 20 wherein said frame assembly contains a cylinder pivot screw that ties the front said frame to the aft said frame and provides a pivot upon which the said cylinder rotates.

27. The launcher of claim 26 wherein the cylinder pivot bushing has a single or plurality of detent recesses on the outfacing face.

28. The launcher of claim 20 that is fired;

a. mounted to said host weapon accessory rail;

b. independent of any host weapon.