Cut-on-contact broadhead
View Patent ↗A cut-on-contact broadhead having a plurality of deployable blades rotatably coupled to a surface of a ferrule, and a plurality of channels disposed on the surface of the ferrule. At least a portion of each channel is defined at least in part by at least a portion of the ferrule and at least a portion of at least one of the plurality of blades. Each blade includes a tip, an impact shoulder, and a first and second cutting edges. During flight, the blades are in a fully retracted configuration forming a distal tip having sharp cutting edges defined at least in part by the first cutting edges of the blades. Upon impact, the distal tip initiates a bore in the target, the plurality of blades deploy into a swept-back configuration, and the second cutting edges expand and lengthen the bore initiated by the distal tip.
1. A broadhead, comprising:
a ferrule;
a plurality of deployable blades rotatably coupled to a surface of the ferrule, each blade comprising:
a tip;
an impact shoulder;
a first cutting edge extending from the tip to proximate the impact shoulder; and
a second cutting edge extending from the tip to proximate a location whereat the blade is coupled to the ferrule; and
a plurality of channels disposed on at least a portion of the surface of the ferrule, wherein at least a portion of each channel is defined at least in part by at least a portion of the ferrule and at least a portion of at least one of the plurality of blades.
2. The broadhead of claim 1 , wherein the tips of the plurality of blades converge to form a chisel tip while the plurality of blades are in a retracted configuration, the chisel tip comprising cutting edges defined at least in part by the first cutting edge of each blade.
3. The broadhead of claim 2 , wherein the chisel tip is distal of a distal end of the ferrule.
4. The broadhead of claim 2 , wherein the chisel tip is proximate a distal end of the ferrule.
5. The broadhead of claim 2 , wherein the chisel tip is proximal of a distal end of the ferrule.
6. The broadhead of claim 2 , wherein the chisel tip is configured for creating a bore in a target.
7. The broadhead of claim 2 , comprising a collar configured for retaining the plurality of blades in the retracted configuration.
8. The broadhead of claim 1 , wherein the plurality of blades deploy into a swept-back configuration exposing their respective second cutting edges.
9. The broadhead of claim 8 , wherein the second cutting edges are configured for widening a bore in a target.
10. The broadhead of claim 1 , wherein the plurality of blades rotate tangentially relative to the surface of the ferrule.
11. The broadhead of claim 1 , wherein at least one of the plurality of channels is configured for relieving fluid pressure.
12. The broadhead of claim 1 , wherein one or more of the plurality of channels are curvilinear.
13. The broadhead of claim 1 , wherein a distal end of the ferrule is configured for creating a bore in a target.
14. The broadhead of claim 1 , wherein a distal end of the ferrule comprises cutting edges.
15. A broadhead, comprising:
a ferrule;
a plurality of deployable blades rotatably coupled to a surface of the ferrule; and
a plurality of channels disposed on at least a portion of the surface of the ferrule, wherein at least a portion of each channel is defined at least in part by at least a portion of the ferrule and at least a portion of at least one of the plurality of blades.
16. The broadhead of claim 15 , wherein at least one of the plurality of channels is configured for relieving fluid pressure.
17. The broadhead of claim 15 , wherein one or more of the plurality of channels is curvilinear.
18. The broadhead of claim 15 , wherein a distal end of the ferrule is configured for creating a bore in a target.
19. The broadhead of claim 15 , wherein a distal end of the ferrule comprises cutting edges.
20. The broadhead of claim 15 , wherein each blade of the plurality of blades comprises:
a tip;
an impact shoulder;
a first cutting edge extending from the tip to proximate the impact shoulder; and
a second cutting edge extending from the tip to proximate a location whereat the blade is coupled to the ferrule.
21. The broadhead of claim 20 , wherein the tips of the plurality of blades converge to form a chisel tip while the plurality of blades are in a retracted configuration, the chisel tip comprising cutting edges defined at least in part by the first cutting edge of each blade.
22. The broadhead of claim 21 , wherein the chisel tip is distal of a distal end of the ferrule.
23. The broadhead of claim 21 , wherein the chisel tip is proximate a distal end of the ferrule.
24. The broadhead of claim 21 , wherein the chisel tip is proximal of a distal end of the ferrule.
25. The broadhead of claim 21 , wherein the chisel tip is configured for creating a bore in a target.
26. The broadhead of claim 21 , comprising a collar configured for retaining the plurality of blades in the retracted configuration.
27. The broadhead of claim 20 , wherein the plurality of blades deploy into a swept-back configuration exposing their respective second cutting edges.
28. The broadhead of claim 27 , wherein the second cutting edges are configured for widening a bore in a target.
29. The broadhead of claim 20 , wherein the plurality of blades rotate tangentially relative to the surface of the ferrule.
30. A broadhead, comprising:
a ferrule; and
a plurality of deployable blades rotatably coupled to a surface of the ferrule, wherein each blade comprises:
a tip;
an impact shoulder;
a first cutting edge extending from the tip to proximate the impact shoulder; and
a second cutting edge extending from the tip to proximate a location whereat the blade is rotatably coupled to the ferrule;
wherein, the plurality of blades rotate tangentially relative to the surface of the ferrule.
31. The broadhead of claim 30 , wherein the tips of the plurality of blades converge to form a chisel tip while the plurality of blades are in a retracted configuration, the chisel tip comprising cutting edges defined at least in part by the first cutting edge of each blade.
32. The broadhead of claim 31 , comprising a collar configured for retaining the plurality of blades in the retracted configuration.
33. The broadhead of claim 31 , wherein the chisel tip is configured for creating a bore in a target.
34. The broadhead of claim 31 , wherein the chisel tip is distal of a distal end of the ferrule.
35. The broadhead of claim 31 , wherein the chisel tip is proximate a distal end of the ferrule.
36. The broadhead of claim 31 , wherein the chisel tip is proximal of a distal end of the ferrule.
37. The broadhead of claim 30 , wherein the plurality of blades deploy into a swept-back configuration exposing their respective second cutting edges.
38. The broadhead of claim 37 , wherein the second cutting edges are configured for widening a bore in a target.
39. The broadhead of claim 30 , comprising a plurality of channels disposed on at least a portion of the surface of the ferrule, wherein at least a portion of each channel is defined at least in part by at least a portion of at least one of the plurality of blades and at least a portion of the ferrule.
40. The broadhead of claim 39 , wherein at least one of the plurality of channels is configured for relieving fluid pressure.
41. The broadhead of claim 39 , wherein one or more of the plurality of channels are curvilinear.
42. The broadhead of claim 30 , wherein a distal end of the ferrule is configured for creating a bore in a target.
43. The broadhead of claim 30 , wherein a distal end of the ferrule comprises cutting edges.
44. A broadhead, comprising:
a ferrule; and
a plurality of deployable blades rotatably coupled to the ferrule on a surface thereof, wherein,
each blade comprises a first and a second cutting edge extending from a tip thereof; and
the plurality of blades rotate tangentially relative to the surface of the ferrule.