Cartridge guide nose

• US 5,097,767 A
• Filed: 10/22/1990
• Issued: 03/24/1992
• Est. Priority Date: 10/22/1990
• Status: Expired due to Fees

• Current Assignee: Cirillo, James
• Original Assignee: Cirillo, James
• Inventors: Cirillo, James
• Primary Examiner(s): Carone, Michael J.
• Application Number:
  US07/601,664
• Time in Patent Office: 519 Days
• Field of Search: 102/517, 102/519, 102/507, 102/508, 102/509, 102/510, 102/506
• US Class Current: 102/506
• CPC Class Codes: F42B 10/46 Streamlined nose cones; Windshields; Radomes F42B12/105 takes precedence

Abstract

The invention relates to a guide nose on a bullet to enable the user to fire wad cutter type ammunition. The guide nose allows the bullet to be used in new automatic weapons and can be easily chambered into the barrel. When the bullet is fired, the plastic nose which is constructed in two pieces separates due to the spinning force of the bullet without effecting the direction of the flat bullet, which continues towards its target. The plastic guide nose will be secured to the bullet nose flat surface. In a preferred embodiment, the two halves snap into each other with a plastic snap joint to further keep the pieces together until the bullet is fired.

Claims

1. An ammunition round comprising:

a cartridge case having a closed end and an open end with a circumferential wall connecting said closed end to said open end for containing an explosive charge;

a solid bullet having a rear end and a front end, said rear end fitting into and sealing the open end of said cartridge case to provide an enclosure for said charge within said case, and said front end being a flat central surface with a sharp pointed edge perimeter surrounding and elevated above said flat central surface and said perimeter adjacent to said circumferential wall;

a solid guide nose for said bullet comprising two solid halves releasably joined together, said guide nose having a bottom end and a top end, said bottom end of said guide nose corresponding to the front end of said bullet for mating engagement therewith, and said top end of said guide nose being a curvilinearly rounded smooth continuous surface;

wherein said guide nose has a longitudinal axis connecting said top end to said bottom end, said longitudinal axis being a dividing line for the separating apart of said two halves, of said bullet guide nose, one of said two halves of said bullet guide nose having an attachment means for releasably joining together the two halves of said bullet guide nose;

said attachment means comprising a shaped protuberance located along said longitudinal axis, and the other of said two halves of said bullet guide nose having a corresponding attachment means comprising a channel corresponding in shape to releasably receive and grip said protuberance, said channel located along said longitudinal axis; and

whereby rotational propulsional movement of the bullet and guide nose combination through a barrel of a gun imparts centrifugal forces to the combination that are counterbalanced as long at the combination remains with the barrel of the gun, but whenever the combination exits the barrel, the centrifugal forces cause the guide nose to split apart into its two halves and remain separated from each other and from the bullet.

2. The ammunition round of claim 1,

wherein the circumferential wall of said cartridge case completely encloses the rear end of said bullet and the front end of said bullet and encloses the bottom end of said guide nose.

3. The ammunition round of claim 1,

wherein said shaped protuberance comprises one rounded detent;

and

wherein said channel comprises a shaped groove corresponding to said rounded detent.

4. The ammunition round of claim 1

wherein said shaped protuberance comprises at least two rounded detents;

and

wherein said channel comprises at least two shaped grooves corresponding to said rounded detents.

5. The ammunition round of claim 1,

further comprising adhesive means for releasably cementing said bottom end of said guide nose to said front end of said bullet.

6. The ammunition round of claim 1,

wherein the bottom end of said guide is convex shaped for corresponding to the concave shape front end of said bullet.

7. The ammunition round of claim 1,

wherein said round has a longitudinal axis;

wherein said perimeter has a number of longitudinal grooves that begin at said front end and extend toward said rear end;

said longitudinal grooves being parallel to said longitudinal axis; and

wherein said guide nose has an outer periphery at the bottom end, said bottom end of said guide nose having a number of tail segments, with said number equal to the number of longitudinal grooves;

each tail segment being parallel to said longitudinal axis and equal in length, width and thickness to said longitudinal groove for the mating engagement therewith; and

said tail segments being positioned along said outer periphery of said bottom end.

8. An ammunition round comprising:

a cartridge case having a closed end and an open end with a circumferential wall connecting said closed end to said open end for containing an explosive charge;

a solid bullet having a rear end and a front end, said rear end fitting into and sealing the open end of said cartridge case to provide an enclosure for said charge within said case, and said front end of said bullet comprising a flat central surface, with a sharp pointed edge perimeter surrounding and elevated above said flat central surface, and said perimeter located inwardly a spaced distance from said circumferential wall, and said inwardly spaced distance being a flat surface;

a solid guide nose for said bullet comprising two solid halves releasably joined together, said guide nose having a bottom end and a top end, said bottom end of said guide nose corresponding to the front end of said bullet for mating engagement therewith, and said top end of said guide nose being a curvilinearly rounded smooth continuous surface;

whereby rotational propulsional movement of the bullet and guide nose combination through a barrel of a gun imparts centrifugal forces to the combination that are counterbalanced as long as the combination remains within the barrel of the gun, but whenever the combination exits the barrel, the centrifugal forces cause the guide nose to split apart into its two halves and remain separated from each other and from the bullet.

9. The ammunition round of claim 8,

wherein the bottom end of said guide nose has a concave shaped area corresponding to the sharp pointed edge perimeter of the front end of said bullet.