Cut-on-contact broadhead
A cut-on-contact broadhead having a ferrule and a plurality of deployable blades pivotally coupled to the ferrule. The ferrule includes a plurality of recesses, and at least one protrusion extending away from a surface of one or more of the plurality of recesses. Each of the plurality of blades includes a tip, an impact region, a first cutting edge, and a second cutting edge. During flight, the blades are in a fully retracted configuration forming a chisel tip having cutting edges defined at least in part by the first cutting edge of each blade. Upon impact, the plurality of blades are deployed into a swept-back configuration whereby the second cutting edges expand the bore initiated by the chisel tip.
1. A broadhead, comprising a ferrule comprising:
a distal end;
a plurality of recesses extending proximally from proximate the distal end; and
at least one protrusion extending away from a surface of at least one of the plurality of recesses;
wherein, an outer edge of the at least one protrusion is configured as a cutting edge.
2. The broadhead of claim 1 , comprising a channel extending through the at least one protrusion.
3. The broadhead of claim 2 , wherein the channel extending through the protrusion is configured for relieving pressure as the broadhead penetrates the target.
4. The broadhead of claim 1 , wherein a distal end of the at least one protrusion is proximate the distal end of the ferrule.
5. The broadhead of claim 1 , wherein a distal end of the at least one protrusion is proximal of the distal end of the ferrule.
6. The broadhead of claim 1 , wherein the cutting edge of the at least one protrusion creates a bore in a target.
7. The broadhead of claim 1 , wherein at least one of the plurality of recesses is configured for relieving pressure as the broadhead penetrates a target.
8. The broadhead of claim 1 , comprising:
a plurality of channels extending proximally from proximate the distal end of the ferrule, wherein each channel is disposed between adjacent recesses; and
a plurality of deployable blades, wherein at least a portion of each blade is disposed within and is pivotally coupled to one of the plurality of channels, each blade comprising:
a tip;
an impact region;
a first cutting edge extending from the tip to proximate the impact region; and
a second cutting edge extending from the tip to proximate the channel to which the blade is pivotally coupled;
wherein, during flight the tips of each blade converge to form a chisel tip comprising cutting edges defined at least in part by the first cutting edge of each blade.
9. The broadhead of claim 8 , wherein the first cutting edge of each of the plurality of blades creates a bore in a target.
10. The broadhead of claim 8 , wherein the second cutting edge of each of the plurality of blades widens a bore in a target.
11. The broadhead of claim 8 , wherein a tip of the chisel tip is distal of the distal end of the ferrule.
12. The broadhead of claim 8 , wherein a tip of the chisel tip is proximate the distal end of the ferrule.
13. The broadhead of claim 8 , wherein a tip of the chisel tip is proximal of the distal end of the ferrule.
14. The broadhead of claim 8 , wherein at least one of the plurality of channels is configured for relieving pressure as the broadhead penetrates a target.
15. A broadhead, comprising:
a ferrule comprising:
a distal end;
a plurality of recesses extending proximally from proximate the distal end;
at least one protrusion extending away from a surface of at least one of the plurality of recesses; and
a plurality of channels extending proximally from proximate the distal end, wherein each channel is disposed between adjacent recesses; and
a plurality of deployable blades, wherein at least a portion of each blade is disposed within and is pivotally coupled to one of the plurality of channels, each blade comprising:
a tip;
an impact region;
a first cutting edge extending from the tip to proximate the impact region; and
a second cutting edge extending from the tip to proximate the channel to which the blade is pivotally coupled.
16. The broadhead of claim 15 , comprising a channel extending through the at least one protrusion.
17. The broadhead of claim 16 , wherein the channel extending through the protrusion is configured for relieving pressure as the broadhead penetrates the target.
18. The broadhead of claim 15 , wherein a distal end of the at least one protrusion is proximate the distal end of the ferrule.
19. The broadhead of claim 15 , wherein a distal end of the at least one protrusion is proximal of the distal end of the ferrule.
20. The broadhead of claim 15 , wherein the cutting edge of the at least one protrusion creates a bore in a target.
21. The broadhead of claim 15 , wherein at least one of the plurality of recesses is configured for relieving pressure as the broadhead penetrates a target.
22. The broadhead of claim 15 , wherein the first cutting edge of each of the plurality of blades creates a bore in a target.
23. The broadhead of claim 15 , wherein the second cutting edge of each of the plurality of blades widens a bore in a target.
24. The broadhead of claim 15 , wherein during flight the tips of each blade converge to form a chisel tip comprising cutting edges defined at least in part by the first cutting edge of each blade.
25. The broadhead of claim 24 , wherein a tip of the chisel tip is distal of the distal end of the ferrule.
26. The broadhead of claim 24 , wherein a tip of the chisel tip is proximate the distal end of the ferrule.
27. The broadhead of claim 24 , wherein a tip of the chisel tip is proximal of the distal end of the ferrule.
28. The broadhead of claim 15 , wherein at least one of the plurality of channels is configured for relieving pressure as the broadhead penetrates a target.
29. A broadhead, comprising:
a ferrule comprising:
a distal end;
a plurality of recesses extending proximally from proximate the distal end;
at least one protrusion extending away from a surface of at least one of the plurality of recesses; and
a plurality of channels extending proximally from proximate the distal end, wherein each channel is disposed between adjacent recesses; and
a plurality of deployable blades, wherein at least a portion of each blade is disposed within and is pivotally coupled to one of the plurality of channels, each blade comprising:
a tip;
an impact region;
a first cutting edge extending from the tip to proximate the impact region; and
a second cutting edge extending from the tip to proximate the channel to which the blade is pivotally coupled;
wherein, during flight the tips of each blade converge to form a chisel tip comprising cutting edges defined at least in part by the first cutting edge of each blade.
30. The broadhead of claim 29 , wherein the chisel tip creates a bore in a target.
31. The broadhead of claim 29 , wherein the first cutting edge of each of the plurality of blades creates a bore in a target.
32. The broadhead of claim 29 , wherein the plurality of blades deploy into a swept-back configuration exposing their respective second cutting edges.
33. The broadhead of claim 32 , wherein each of the plurality of blades traverses a plane substantially orthogonal to a longitudinal axis of the broadhead.
34. The broadhead of claim 32 , wherein the tip of each of the plurality of blades traverses an arc having a center at a location where the blade is pivotally coupled to the channel.
35. The broadhead of claim 32 , wherein the second cutting edge of each of the plurality of blades widens a bore in a target.
36. The broadhead of claim 29 , wherein a tip of the chisel tip is distal of the distal end of the ferrule.
37. The broadhead of claim 29 , wherein a tip of the chisel tip is proximate the distal end of the ferrule.
38. The broadhead of claim 29 , wherein a tip of the chisel tip is proximal of the distal end of the ferrule.
39. The broadhead of claim 29 , wherein at least one of the plurality of recesses is configured for relieving pressure as the broadhead penetrates a target.
40. The broadhead of claim 29 , comprising a channel extending through the at least one protrusion extending away from the surface of the recess.
41. The broadhead of claim 40 , wherein the channel extending through the protrusion is configured for relieving pressure as the broadhead penetrates the target.
42. The broadhead of claim 29 , wherein at least one of the plurality of channels is configured for relieving pressure as the broadhead penetrates a target.
43. The broadhead of claim 29 , wherein a distal end of the at least one protrusion is proximate the distal end of the ferrule.
44. The broadhead of claim 29 , wherein a distal end of the at least one protrusion is proximal of the distal end of the ferrule.
45. The broadhead of claim 29 , wherein an outer edge of the at least one protrusion is configured as a cutting edge.
46. The broadhead of claim 45 , wherein the cutting edge of the at least one protrusion creates a bore in a target.