Firearm ammunition having improved flight and impact characteristics

• US 20070089628A1
• Filed: 10/20/2005
• Published: 04/26/2007
• Est. Priority Date: 10/20/2005
• Status: Abandoned Application

• Current Assignee: Steven Elder
• Original Assignee: Steven Elder
• Inventors: Elder, Steven
• Application Number:
  US11/255,856
• Publication Number:
  US 20070089628A1
• Time in Patent Office: Days
• US Class Current: 102/517
• CPC Class Codes: F42B 10/22 Projectiles of cannelured type

Abstract

A novel bullet adapted to be discharged from a firearm at least includes: a leading edged portion; and a trailing edge portion coupled to the leading edge portion, the trailing edge portion comprising a base and spiral fins, the spiral fins adapted to channel the boundary layer during flight of the bullet, and increase longitudinal stability.

Claims

1. A bullet adapted to be discharged from a firearm, said bullet comprising:

a leading edged portion; and

a trailing edge portion coupled to said leading edge portion, said trailing edge portion comprising a base and spiral fins, said spiral fins adapted to channel a boundary layer during flight of the bullet, and increase longitudinal stability, wherein the diameter of the base and spiral fins are substantially identical, and wherein said spiral fins circle about the base a plurality of times.

2. (canceled)

3. (canceled)

4. (canceled)

5. A bullet adapted to be discharged from a firearm, said bullet consisting of:

a leading edged portion; and

a trailing edge portion coupled to said leading edge portion, said trailing edge portion consisting of a base and spiral fins, said spiral fins adapted to channel a boundary layer during flight of the bullet, and increase longitudinal stability, wherein the diameter of the base and spiral fins are substantially identical, and wherein said spiral fins circle about the base a plurality of times.

6. (canceled)

7. (canceled)

8. (canceled)

9. A bullet adapted to be discharged from a firearm, said bullet consisting essentially of:

a leading edged portion; and

a trailing edge portion coupled to said leading edge portion, said trailing edge portion consisting essentially of a base and spiral fins, said spiral fins adapted to channel a boundary layer during flight of the bullet, and increase longitudinal stability, wherein the diameter of the base and spiral fins are substantially identical, and wherein said spiral fins circle about the base a plurality of times.

10. (canceled)

11. (canceled)

12. (canceled)

13. (canceled)