Expandable broadhead
DCFirst Claim
Patent Images
1. A broadhead for mating with an arrow, comprising:
- a plurality of blades shiftable between a retracted, in flight position and an extended, penetrating position, each of the blades being rearwardly longitudinally translatable from the retracted, in flight position to the extended, penetrating position, each of the blades residing at least in part in a respective blade recess defined in a broadhead body when in the retracted, in flight position, longitudinal translation of the plurality of blades effecting a camming action of a blade cutting edge of each blade outward relative to the broadhead body, the respective blade recesses each being a slot having a first inlet and a second inlet disposed on either side of a bridge.
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Reexamination
Accused Products
Abstract
A broadhead for mating with an arrow, includes a plurality of blades shiftable between a retracted, in flight position and an extended, penetrating position, each of the blades being rearwardly longitudinally translatable from the retracted, in flight position to the extended, penetrating position, each of the blades residing at least in part in a respective blade recess defined in a broadhead body when in the retracted, in flight position, longitudinal translation of the plurality of blades effecting a camming of a blade cutting edge of each blade outward relative to the broadhead body. A method of expanding an expandable broadhead is also included.
199 Citations
78 Claims
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1. A broadhead for mating with an arrow, comprising:
a plurality of blades shiftable between a retracted, in flight position and an extended, penetrating position, each of the blades being rearwardly longitudinally translatable from the retracted, in flight position to the extended, penetrating position, each of the blades residing at least in part in a respective blade recess defined in a broadhead body when in the retracted, in flight position, longitudinal translation of the plurality of blades effecting a camming action of a blade cutting edge of each blade outward relative to the broadhead body, the respective blade recesses each being a slot having a first inlet and a second inlet disposed on either side of a bridge. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A method of expanding an expandable broadhead, comprising:
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disposing each of a plurality of blades at least in part in a respective blade recess defined in a broadhead body when in a retracted, in flight position; rearwardly longitudinally translating each of the blades from the retracted, in flight position to an extended, penetrating position; effecting a camming action of a blade cutting edge of each blade outward relative to the broadhead body by means of the longitudinal translation of each of the plurality of blades; and defining a mass reducing retaining slot in each of the plurality of blades and disposing a retaining device in the respective slots for shiftably coupling the respective blade to the broadhead body. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27, 28, 29, 30)
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31. A method of expanding an expandable broadhead, comprising:
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disposing each of a plurality of blades at least in part in a respective blade recess defined in a broadhead body when in a retracted, in flight position; rearwardly longitudinally translating each of the blades from the retracted, in flight position to an extended, penetrating position; effecting a camming action of a blade cutting edge of each blade outward relative to the broadhead body to means of the longitudinal translation of each of the plurality of blades; and on each of the blades, defining a camming edge and operably coupling the camming edge to the cutting edge and an impact edge and operably coupling the impact edge to the cutting edge. - View Dependent Claims (32, 33)
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34. A method of expanding an expandable broadhead, comprising:
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disposing each of a plurality of blades at least in part in a respective blade recess defined in a broadhead body when in a retracted, in flight position; rearwardly longitudinally translating each of the blades from the retracted, in flight position to an extended, penetrating position; effecting a camming action of a blade cutting edge of each blade outward relative to the broadhead body by means of the longitudinal translation of each of the plurality of blades; and forming the respective blade recesses offset from a broadhead body longitudinal axis. - View Dependent Claims (35, 36, 37)
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38. An expandable broadhead comprising:
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a broadhead body comprising a penetrating end located along a longitudinal axis and at least one blade recess; and a plurality of blades each comprising an outwardly directed cutting surface, a camming surface, and an impact edge, each of the plurality of blades arranged to slide relative to the broadhead body generally along the longitudinal axis between a collapsed position with the blades forwardly disposed and at least the impact edges exposed from the blade recess, and an expanded position with the impact edges rearwardly disposed and rear portions of the blades expanded radially outwardly relative to the broadhead body, wherein for each of the plurality of blades the camming surface is operably coupled to the cutting surface and the impact edge, and the impact edge is operably coupled to the cutting surface, and wherein a pair of blades are arranged for sliding engagement within a single recess.
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39. An expandable broadhead comprising:
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a broadhead body comprising a penetrating end located along a longitudinal axis and at least one blade recess; and a plurality of blades each comprising an outwardly directed cutting surface, a camming surface, and an impact edge, each of the plurality of blades arranged to slide relative to the broadhead body generally along the longitudinal axis between a collapsed position with the blades forwardly disposed and at least the impact edges exposed from the blade recess, and an expanded position with the impact edges rearwardly disposed and rear portions of the blades expanded radially outwardly relative to the broadhead body, wherein for each of the plurality of blades the camming surface is operably coupled to the cutting surface and the impact edge, and the impact edge is operably coupled to the cutting surface, and wherein the at least one blade recess comprises a groove with one inlet.
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40. An expandable broadhead comprising:
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a broadhead body comprising a penetrating end located along a longitudinal axis and at least one blade recess; and a plurality of blades each comprising an outwardly directed cutting surface, a camming surface, and an impact edge, each of the plurality of blades arranged to slide relative to the broadhead body generally along the longitudinal axis between a collapsed position with the blades forwardly disposed and at least the impact edges exposed from the blade recess, and an expanded position with the impact edges rearwardly disposed and rear portions of the blades expanded radially outwardly relative to the broadhead body, wherein for each of the plurality of blades the camming surface is operably coupled to the cutting surface and the impact edge, and the impact edge is operably coupled to the cutting surface, wherein the at least one blade recess is arranged at an angle with respect to the longitudinal axis.
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41. An expandable broadhead comprising:
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a broadhead body comprising a penetrating end located along a longitudinal axis and at least one blade recess; and a plurality of blades each comprising an outwardly directed cutting surface, a camming surface, and an impact edge, each of the plurality of blades arranged to slide relative to the broadhead body generally along the longitudinal axis between a collapsed position with the blades forwardly disposed and at least the impact edges exposed from the blade recess, and an expanded position with the impact edges rearwardly disposed and rear portions of the blades expanded radially outwardly relative to the broadhead body, wherein for each of the plurality of blades the camming surface is operably coupled to the cutting surface and the impact edge, and the impact edge is operably coupled to the cutting surface, wherein the penetrating end comprises a tip blade.
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42. An expandable broadhead comprising:
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a broadhead body comprising a penetrating end located along a longitudinal axis and at least one blade recess; and a plurality of blades each comprising an outwardly directed cutting surface, a camming surface, and an impact edge, each of the plurality of blades arranged to slide relative to the broadhead body generally along the longitudinal axis between a collapsed position with the blades forwardly disposed and at least the impact edges exposed from the blade recess, and an expanded position with the impact edges rearwardly disposed and rear portions of the blades expanded radially outwardly relative to the broadhead body, wherein for each of the plurality of blades the camming surface is operably coupled to the cutting surface and the impact edge, and the impact edge is operably coupled to the cutting surface, wherein the cutting surfaces on the blades are located opposite the respective camming surfaces.
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43. An expandable broadhead comprising:
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a broadhead body comprising a penetrating end located along a longitudinal axis and at least one blade recess; and a plurality of blades each comprising an outwardly directed cutting surface, a camming surface, and an impact edge, each of the plurality of blades arranged to slide relative to the broadhead body generally along the longitudinal axis between a collapsed position with the blades forwardly disposed and at least the impact edges exposed from the blade recess, and an expanded position with the impact edges rearwardly disposed and rear portions of the blades expanded radially outwardly relative to the broadhead body, wherein for each of the plurality of blades the camming surface is operably coupled to the cutting surface and the impact edge, and the impact edge is operably coupled to the cutting surface, and wherein the expandable broadhead comprises a friction member that holds the blades in the collapsed position.
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44. An expandable broadhead comprising:
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a broadhead body comprising a penetrating end located along a longitudinal axis and at least one blade recess; and a plurality of blades each comprising an outwardly directed cutting surface, a camming surface, and an impact edge, each of the plurality of blades arranged to slide relative to the broadhead body generally along the longitudinal axis between a collapsed position with the blades forwardly disposed and at least the impact edges exposed from the blade recess, and an expanded position with the impact edges rearwardly disposed and rear portions of the blades expanded radially outwardly relative to the broadhead body, wherein for each of the plurality of blades the camming surface is operably coupled to the cutting surface and the impact edge, and the impact edge is operably coupled to the cutting surface, and wherein the blades comprise an interference fit with the at least one blade recess.
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45. An expandable broadhead comprising:
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a broadhead body comprising a penetrating end located along a longitudinal axis and at least one blade recess; and a plurality of blades each comprising an outwardly directed cutting surface, a camming surface, and an impact edge, each of the plurality of blades arranged to slide relative to the broadhead body generally along the longitudinal axis between a collapsed position with the blades forwardly disposed and at least the impact edges exposed from the blade recess, and an expanded position with the impact edges rearwardly disposed and rear portions of the blades expanded radially outwardly relative to the broadhead body, wherein for each of the plurality of blades the camming surface is operably coupled to the cutting surface and the impact edge, and the impact edge is operably coupled to the cutting surface, wherein the camming surfaces comprise features that retain the blades in the expanded position.
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46. An expandable broadhead comprising:
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a broadhead body comprising a penetrating end located along a longitudinal axis and at least one blade recess; and a plurality of blades each comprising an outwardly directed cutting surface, a camming surface, and an impact edge, each of the plurality of blades arranged to slide relative to the broadhead body generally along the longitudinal axis between a collapsed position with the blades forwardly disposed and at least the impact edges exposed from the blade recess, and an expanded position with the impact edges rearwardly disposed and rear portions of the blades expanded radially outwardly relative to the broadhead body, wherein for each of the plurality of blades the camming surface is operably coupled to the cutting surface and the impact edge, and the impact edge is operably coupled to the cutting surface, wherein the blades are arranged at an angle with respect to the longitudinal axis.
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47. An expandable broadhead comprising:
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a broadhead body comprising a penetrating end located along a longitudinal axis and at least one blade recess; and a plurality of blades each comprising an outwardly directed cutting surface, a camming surface, and an impact edge, each of the plurality of blades arranged to slide relative to the broadhead body generally along the longitudinal axis between a collapsed position with the blades forwardly disposed and at least the impact edges exposed from the blade recess, and an expanded position with the impact edges rearwardly disposed and rear portions of the blades expanded radially outwardly relative to the broadhead body, wherein for each of the plurality of blades the camming surface is operably coupled to the cutting surface and the impact edge, and the impact edge is operably coupled to the cutting surface, wherein the broadhead body comprises a surface engaged with the camming surfaces on the blades during movement from the collapsed position to the expanded position.
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48. An expandable broadhead comprising:
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a broadhead body comprising a penetrating end located along a longitudinal axis and at least one blade recess; and a plurality of blades each comprising an outwardly directed cutting surface, a camming surface, and an impact edge, each of the plurality of blades arranged to slide relative to the broadhead body generally along the longitudinal axis between a collapsed position with the blades forwardly disposed and at least the impact edges exposed from the blade recess, and an expanded position with the impact edges rearwardly disposed and rear portions of the blades expanded radially outwardly relative to the broadhead body, wherein for each of the plurality of blades the camming surface is operably coupled to the cutting surface and the impact edge, and the impact edge is operably coupled to the cutting surface, wherein the camming surfaces of the blades engage a rearward portion of the recess during movement from the collapsed position to the expanded position.
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49. An expandable broadhead comprising:
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a broadhead body comprising a penetrating end and an arrow shaft attachment end permanently fixing relative to each other along a longitudinal axis; and a plurality of blades each comprising an outwardly directed cutting surface, a camming surface, and an impact edge, each of the plurality of blades arranged for sliding engagement with the broadhead body, wherein the blades slide generally along the longitudinal axis, between a collapsed position with the blades forwardly disposed and at least the impact edge exposed from the broadhead body, and an expanded position with the impact edge rearwardly disposed and rear portions of the blades expanded radially outwardly relative to the broadhead body, wherein for each of the plurality of blades the camming surface is operably coupled to the cutting surface and the impact edge, and the impact edge is operably coupled to the cutting surface, wherein the broadhead body comprises a surface engaged with the blades during movement from the collapsed position to the expanded position.
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50. An expandable broadhead comprising:
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a broadhead body comprising a penetrating end and an arrow shaft attachment end permanently fixing relative to each other along a longitudinal axis; and a plurality of blades each comprising an outwardly directed cutting surface, a camming surface, and an impact edge, each of the plurality of blades arranged for sliding engagement with the broadhead body, wherein the blades slide generally along the longitudinal axis, between a collapsed position with the blades forwardly disposed and at least the impact edge exposed from the broadhead body, and an expanded position with the impact edge rearwardly disposed and rear portions of the blades expanded radially outwardly relative to the broadhead body, wherein for each of the plurality of blades the camming surface is operably coupled to the cutting surface and the impact edge, and the impact edge is operably coupled to the cutting surface, wherein the broadhead body comprises a surface engaged with the camming surfaces on the blades during movement from the collapsed position to the expanded position.
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51. An expandable broadhead comprising:
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a broadhead body comprising a penetrating end and an arrow shaft attachment end permanently fixing relative to each other along a longitudinal axis; and a plurality of blades each comprising an outwardly directed cutting surface, a camming surface, and an impact edge, each of the plurality of blades arranged for sliding engagement with the broadhead body, wherein the blades slide generally along the longitudinal axis, between a collapsed position with the blades forwardly disposed and at least the impact edge exposed from the broadhead body, and an expanded position with the impact edge rearwardly disposed and rear portions of the blades expanded radially outwardly relative to the broadhead body, wherein for each of the plurality of blades the camming surface is operably coupled to the cutting surface and the impact edge, and the impact edge is operably coupled to the cutting surface, wherein the camming surfaces of the blades engage a rearward portion of the recess during movement from the collapsed position to the expanded position.
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52. A method of expanding an expandable broadhead, comprising the steps of:
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permanently fixing a penetrating end and an arrow shaft attachment end on a broadhead body relative to each other along a longitudinal axis; engaging each of a plurality of blades for sliding engagement with the broadhead body generally along the longitudinal axis; arranging the plurality of blades generally along the longitudinal axis in a collapsed position, the blades comprising outwardly directed cutting surfaces, camming surfaces, and forwardly oriented impact edges; applying a rearward force to each of the impact edges so that rear portions of the each of the respective blades expand radially outwardly relative to the broadhead body, wherein for each of the plurality of blades the camming surface is operably coupled to the cutting surface and the impact edge, and the impact edge is operably coupled to the cutting surface; and arranging a pair of blades for sliding engagement within a single recess in the broadhead body.
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53. A method of expanding an expandable broadhead, comprising the steps of:
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permanently fixing a penetrating end and an arrow shaft attachment end on a broadhead body relative to each other along a longitudinal axis; engaging each of a plurality of blades for sliding engagement with the broadhead body generally along the longitudinal axis; arranging the plurality of blades generally along the longitudinal axis in a collapsed position, the blades comprising outwardly directed cutting surfaces, camming surfaces, and forwardly oriented impact edges; applying a rearward force to each of the impact edges so that rear portions of the each of the respective blades expand radially outwardly relative to the broadhead body, wherein for each of the plurality of blades the camming surface is operably coupled to the cutting surface and the impact edge, and the impact edge is operably coupled to the cutting surface; and forming at least one blade recess in the broadhead body comprising a groove with one inlet.
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54. A method of expanding an expandable broadhead, comprising the steps of:
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permanently fixing a penetrating end and an arrow shaft attachment end on a broadhead body relative to each other along a longitudinal axis; engaging each of a plurality of blades for sliding engagement with the broadhead body generally along the longitudinal axis; arranging the plurality of blades generally along the longitudinal axis in a collapsed position, the blades comprising outwardly directed cutting surfaces, camming surfaces, and forwardly oriented impact edges; applying a rearward force to each of the impact edges so that rear portions of the each of the respective blades expand radially outwardly relative to the broadhead body, wherein for each of the plurality of blades the camming surface is operably coupled to the cutting surface and the impact edge, and the impact edge is operably coupled to the cutting surface; and locating the blades in blade recesses arranged at an angle with respect to the longitudinal axis.
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55. A method of expanding an expandable broadhead, comprising the steps of:
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permanently fixing a penetrating end and an arrow shaft attachment end on a broadhead body relative to each other along a longitudinal axis; engaging each of a plurality of blades for sliding engagement with the broadhead body generally along the longitudinal axis; arranging the plurality of blades generally along the longitudinal axis in a collapsed position, the blades comprising outwardly directed cutting surfaces, camming surfaces, and forwardly oriented impact edges; applying a rearward force to each of the impact edges so that rear portions of the each of the respective blades expand radially outwardly relative to the broadhead body, wherein for each of the plurality of blades the camming surface is operably coupled to the cutting surface and the impact edge, and the impact edge is operably coupled to the cutting surface; and engaging the camming surfaces with the broadhead body during movement from the collapsed position to the expanded position.
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56. A method of expanding an expandable broadhead, comprising the steps of:
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permanently fixing a penetrating end and an arrow shaft attachment end on a broadhead body relative to each other along a longitudinal axis; engaging each of a plurality of blades for sliding engagement with the broadhead body generally along the longitudinal axis; arranging the plurality of blades generally along the longitudinal axis in a collapsed position, the blades comprising outwardly directed cutting surfaces, camming surfaces, and forwardly oriented impact edges; applying a rearward force to each of the impact edges so that rear portions of the each of the respective blades expand radially outwardly relative to the broadhead body, wherein for each of the plurality of blades the camming surface is operably coupled to the cutting surface and the impact edge, and the impact edge is operably coupled to the cutting surface; and engaging camming surfaces with rearward portion of recesses in the broadhead body during movement from the collapsed position to the expanded position.
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57. A method of expanding an expandable broadhead, comprising the steps of:
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permanently fixing a penetrating end and an arrow shaft attachment end on a broadhead body relative to each other along a longitudinal axis; disposing each of a plurality of blades at least in part in a respective blade recess defined in the broadhead body when in a retracted, in flight position; rearwardly longitudinally translating each of the blades from the retracted, in flight position to an extended, penetrating position; effecting a camming action of a blade cutting edge of each blade outward relative to the broadhead body by means of the longitudinal translation of each of the plurality of blades; on each of the blades, defining a camming edge and operably coupling the camming edge to the cutting edge and an impact edge and operably coupling the impact edge to the cutting edge; and engaging the camming surfaces with rearward portions of the recesses in the broadhead body during movement from the collapsed position to the expanded position. - View Dependent Claims (58, 59, 60, 61, 62, 63)
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64. A method of expanding an expandable broadhead, comprising:
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disposing each of a plurality of blades at least in part in a respective blade recess defined in a broadhead body when in a retracted, in flight position; rearwardly longitudinally translating each of the blades from the retracted, in flight position to an extended, penetrating position; effecting a camming action of a blade cutting edge of each blade outward relative to the broadhead body by means of the longitudinal translation of each of the plurality of blades; on each of the blades, defining a camming edge and operably coupling the camming edge to the cutting edge and an impact edge and operably coupling the impact edge to the cutting edge; and pivotally attaching the blades to the broadhead body.
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65. A method of expanding an expandable broadhead, comprising:
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disposing each of a plurality of blades at least in part in a respective blade recess defined in a broadhead body when in a retracted, in flight position; rearwardly longitudinally translating each of the blades from the retracted, in flight position to an extended, penetrating position; effecting a camming action of a blade cutting edge of each blade outward relative to the broadhead body by means of the longitudinal translation of each of the plurality of blades; on each of the blades, defining a camming edge and operably coupling the camming edge to the cutting edge and an impact edge and operably coupling the impact edge to the cutting edge; and engaging the camming surfaces with the broadhead body during movement from the retracted position to the penetrating position.
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66. A method of expanding an expandable broadhead, comprising:
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disposing each of a plurality of blades at least in part in a respective blade recess defined in a broadhead body when in a retracted, in flight position; rearwardly longitudinally translating each of the blades from the retracted, in flight position to an extended, penetrating position; effecting a camming action of a blade cutting edge of each blade outward relative to the broadhead body by means of the longitudinal translation of each of the plurality of blades; on each of the blades, defining a camming edge and operably coupling the camming edge to the cutting edge and an impact edge and operably coupling the impact edge to the cutting edge; and engaging camming surfaces with rearward portions of the respective recesses in the broadhead body during movement from the retracted position to the penetrating position.
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67. A method of expanding an expandable broadhead, comprising:
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disposing each of a plurality of blades at least in part in a respective blade recess defined in a broadhead body when in a retracted, in flight position; rearwardly longitudinally translating each of the blades from the retracted, in flight position to an extended, penetrating position; effecting a camming action of a blade cutting edge of each blade outward relative to the broadhead body by means of the longitudinal translation of each of the plurality of blades; on each of the blades, defining a camming edge and operably coupling the camming edge to the cutting edge and an impact edge and operably coupling the impact edge to the cutting edge; and engaging the camming edges on the blades with the expandable broadhead during movement from the retracted position to the penetrating position.
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68. An expandable broadhead comprising:
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at least one blade including a slot located at least in part in a blade recess on a broadhead body in a retracted, in flight position; at least one retaining device extending through the slot, coupling the blade to the broadhead body, such that upon impact of the expandable broadhead with an object the blade translates rearwardly relative to the broadhead body and the retaining device slides in the slot and a rear end of the blade moves radially outward to an extended, penetrating position; and a feature on the blade adapted to retain the blade in the retracted, in flight position.
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69. An expandable broadhead comprising:
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at least one blade including a slot located at least in part in a blade recess on a broadhead body in a retracted, in flight position; at least one retaining device extending through the slot, coupling the blade to the broadhead body, such that upon impact of the expandable broadhead with an object the blade translates rearwardly relative to the broadhead body and the retaining device slides in the slot and a rear end of the blade moves radially outward to an extended, penetrating position; and a feature on the blade adapted to retain the blade in the extended, penetrating position.
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70. An expandable broadhead comprising:
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at least one blade including a slot located at least in part in a blade recess on a broadhead body in a retracted, in flight position; at least one retaining device extending through the slot, coupling the blade to the broadhead body, such that upon impact of the expandable broadhead with an object the blade translates rearwardly relative to the broadhead body and the retaining device slides in the slot and a rear end of the blade moves radially outward to an extended, penetrating position; and a tip blade coupled to a penetrating end of the expandable broadhead.
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71. A method of expanding an expandable broadhead, comprising:
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locating at least one blade at least in part in a blade recess in a broadhead body in a retracted, in flight position, a retaining device extending through a slot in the blade coupling the blade to the broadhead body; rearwardly translating the blade in the blade recess relative to the broadhead body in response to the expandable broadhead impacting an object, so that the retaining device slides in the slot; moving a rear end of the blade radially outward from a groove to an extended, penetrating position during rearward translation; and engaging a feature on the blade to retain the blade in the retracted, in flight position.
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72. A method of expanding an expandable broadhead, comprising:
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locating at least one blade at least in part in a blade recess in a broadhead body in a retracted, in flight position, a retaining device extending through a slot in the blade coupling the blade to the broadhead body; rearwardly translating the blade in the blade recess relative to the broadhead body in response to the expandable broadhead impacting an object, so that the retaining device slides in the slot; moving a rear end of the blade radially outward from a groove to an extended, penetrating position during rearward translation; and engaging a feature on the blade to retain the blade in the extended, penetrating position.
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73. A method of expanding an expandable broadhead, comprising:
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locating at least one blade at least in part in a blade recess in a broadhead body in a retracted, in flight position, a retaining device extending through a slot in the blade coupling the blade to the broadhead body; rearwardly translating the blade in the blade recess relative to the broadhead body in response to the expandable broadhead impacting an object, so that the retaining device slides in the slot; moving a rear end of the blade radially outward from a groove to an extended, penetrating position during rearward translation; and coupling a penetrating portion to a forward end of the broadhead body.
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74. A method of expanding an expandable broadhead, comprising:
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disposing at least one blade at least in part in a blade recess in a broadhead body when in a retracted, in flight position; rearwardly translating the blade from the retracted, in flight position to an extended, penetrating position in response to the expandable broadhead impacting an object; effecting a camming action of a cutting edge of the blade outward relative to the broadhead body by longitudinally translating the blade; defining a mass reducing retaining slot in the blade and disposing a retaining device in the slot to slidably couple the blade to the broadhead body; driving the at least one blade longitudinally rearward when the expandable broadhead engages with the object; and coupling a tip blade to a forward end of the expandable broadhead.
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75. An expandable broadhead comprising:
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a broadhead body comprising a penetrating end located along a longitudinal axis and at least one blade recess; and a plurality of blades each comprising an outwardly directed cutting surface, a camming surface, and an impact edge, each of the plurality of blades arranged to slide relative to the broadhead body generally along the longitudinal axis between a collapsed position with the blades forwardly disposed and at least the impact edge exposed from the blade recess, and an expanded position with the impact edge rearwardly disposed and rear portions of the blades expanded radially outwardly relative to the broadhead body, wherein for each of the plurality of blades the camming surface is positioned substantially opposite the cutting surface, and the impact edge is operably coupled to the cutting surface.
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76. An expandable broadhead comprising:
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a broadhead body comprising a penetrating end and an arrow shaft attachment end permanently fixing relative to each other along a longitudinal axis; and a plurality of blades each comprising an outwardly directed cutting surface, a camming surface, and an impact edge, each of the plurality of blades arranged for sliding engagement with the broadhead body, wherein the blades slide generally along the longitudinal axis, between a collapsed position with the blades forwardly disposed and at least the impact edge exposed from the broadhead body, and an expanded position with the impact edge rearwardly disposed and rear portions of the blades expanded radially outwardly relative to the broadhead body, wherein for each of the plurality of blades the camming surface is positioned substantially opposite the cutting surface, and the impact edge is operably coupled to the cutting surface.
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77. An expandable broadhead comprising:
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a broadhead body comprising a penetrating end and an arrow shaft attachment end permanently fixing relative to each other along a longitudinal axis; and a plurality of blades each comprising an outwardly directed cutting surface, a camming surface, and an impact edge, each of the plurality of blades are arranged to slide relative to the broadhead body between a collapsed position with the blades forwardly disposed and generally aligned with the longitudinal axis, and an expanded position wherein each of the blades are adapted to be driven longitudinally rearward when the respective impact edges engage an object, wherein for each of the plurality of blades the camming surface is positioned substantially opposite the cutting surface, and the impact edge is operably coupled to the cutting surface.
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78. A method of expanding an expandable broadhead, comprising the steps of:
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permanently fixing a penetrating end and an arrow shaft attachment end on a broadhead body relative to each other along a longitudinal axis; engaging each of a plurality of blades for sliding engagement with the broadhead body generally along the longitudinal axis; arranging the plurality of blades generally along the longitudinal axis in a collapsed position, the blades comprising outwardly directed cutting surfaces, camming surfaces, and forwardly oriented impact edges; and applying a rearward force to each of the impact edges so that rear portions of the each of the respective blades expand radially outwardly relative to the broadhead body, wherein for each of the plurality of blades the camming surface is positioned substantially opposite the cutting surface, and the impact edge is operably coupled to the cutting surface.
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Specification