Expandable broadhead with rear deploying blades
First Claim
Patent Images
1. An expandable broadhead comprising:
- a broadhead body comprising a penetrating end located along a longitudinal axis and at least one blade recess;
a plurality of rear deploying blades residing at least in part in the at least one blade recess and slidingly engaged with the broadhead body, the blades each comprising an impact edge exterior from the broadhead body when in a retracted configuration, a cutting edge, and a camming edge effecting a camming action during deployment of the blades from the retracted configuration to a deployed configuration; and
a shock-absorbing retainer releasably engaged with at least one feature on the rear deploying blades to retain the rear deploying blades in the retracted configuration and located between the rear deploying blade and the broadhead body in the deployed configuration.
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Abstract
An improved expandable broadhead with rear deploying blades. The rear deploying blades deploy reliably upon impact of the blades with a target. The expandable broadhead resists deflection by the target regardless of the angle of entry. Consequently, the present expandable broadhead maximizes kinetic energy on impact and increases the probability of substantial penetration into the target.
146 Citations
35 Claims
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1. 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; a plurality of rear deploying blades residing at least in part in the at least one blade recess and slidingly engaged with the broadhead body, the blades each comprising an impact edge exterior from the broadhead body when in a retracted configuration, a cutting edge, and a camming edge effecting a camming action during deployment of the blades from the retracted configuration to a deployed configuration; and a shock-absorbing retainer releasably engaged with at least one feature on the rear deploying blades to retain the rear deploying blades in the retracted configuration and located between the rear deploying blade and the broadhead body in the deployed configuration. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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23. 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 rear deploying blades each comprising an elongated slot slidably engaged with a feature on the broadhead body, the slots comprising a first end have a cross-sectional shape corresponding to the feature, a second end, and a free floating region between the first and second ends, the blades each comprising an impact edge exterior from the broadhead body when in a retracted configuration, a cutting edge, and a camming edge effecting a camming action during deployment of the blades from the retracted configuration to a deployed configuration.
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24. An expandable broadhead kit comprising:
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a broadhead body comprising a penetrating end located along a longitudinal axis; a first set of rear deploying blades slidably engageable with the broadhead body, the first set of blades each comprising an impact edge exterior from the broadhead body when in a retracted configuration, a cutting edge, and a camming edge effecting a camming action during deployment of the blades from the retracted configuration to a deployed configuration, the camming edge comprising a first deployment profile; and a second set of rear deploying blades slidably engageable with the broadhead body, the second set of blades each comprising an impact edge exterior from the broadhead body when in a retracted configuration, a cutting edge, and a camming edge effecting a camming action during deployment of the blades from the retracted configuration to a deployed configuration, the camming edge comprising a second deployment profile different than the first deployment profile.
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25. An expandable broadhead kit comprising:
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a first broadhead comprising a first set of rear deploying blades slidably engageable with a first broadhead body, the first set of blades each comprising an impact edge exterior from the first broadhead body when in a retracted configuration, a cutting edge, and a camming edge effecting a camming action during deployment of the first set of blades from the retracted configuration to a deployed configuration, the first broadhead comprising a first deployment profile and a first set of aerodynamic flight characteristics; a second broadhead comprising a second set of rear deploying blades slidably engageable with a second broadhead body, the second set of blades each comprising an impact edge exterior from the second broadhead body when in a retracted configuration, a cutting edge, and a camming edge effecting a camming action during deployment of the second set of blades from the retracted configuration to a deployed configuration, the second broadhead comprising a second deployment profile and a second set of aerodynamic flight characteristics; and wherein the first deployment profile is different from the second deployment profile and the first set of aerodynamic flight characteristics are substantially the same as the second set of aerodynamic flight characteristics.
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26. An expandable broadhead comprising:
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a broadhead body comprising a polymeric material molded around a tip blade at a penetrating end and at least one blade recess; and a plurality of rear deploying blades residing at least in part in the at least one blade recess and slidably engaged with the broadhead body, the blades each comprising an impact edge exterior from the broadhead body when in a retracted configuration, a cutting edge, and a camming edge effecting a camming action during deployment of the blades from the retracted configuration to a deployed configuration.
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27. An expandable broadhead kit comprising:
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a broadhead body comprising a penetrating end located along a longitudinal axis and at least one blade recess; a plurality of rear deploying blades residing at least in part in the at least one blade recess and slidingly engaged with the broadhead body, the blades each comprising an impact edge exterior from the broadhead body when in a retracted configuration, a cutting edge, and a camming edge effecting a camming action during deployment of the blades from the retracted configuration to a deployed configuration; and a practice broadhead comprising substantially the same aerodynamic flight characteristics of the expandable broadhead retained in the retracted configuration.
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28. An expandable broadhead comprising:
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a broadhead body comprising a penetrating end located along a longitudinal axis; a plurality of rear deploying blades slidably engaged with the broadhead body, the blades each comprising an impact edge exterior from the broadhead body when in a retracted configuration, a cutting edge, and a camming edge effecting a camming action during deployment of the blades from the retracted configuration to a deployed configuration; and an elongated slot in each rear deploying blade pivotally engaged with a feature on the broadhead body, the elongated slot comprising a first end, a second end and a free floating region between the first and second ends. - View Dependent Claims (29)
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30. A pair of expandable broadheads comprising:
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a first broadhead comprising a first set of rear deploying blades slidably engageable with a first broadhead body, the first set of blades each comprising an impact edge exterior from the first broadhead body when in a retracted configuration, a cutting edge, and a camming edge effecting a camming action during deployment of the first set of blades from the retracted configuration to a deployed configuration, the first broadhead comprising a first deployment profile; and a second broadhead comprising a second set of rear deploying blades slidably engageable with a second broadhead body substantially the same as the first broadhead body, the second set of blades each comprising an impact edge exterior from the second broadhead body when in a retracted configuration, a cutting edge, and a camming edge effecting a camming action during deployment of the second set of blades from the retracted configuration to a deployed configuration, the second broadhead comprising a second deployment profile; and wherein the first deployment profile is different from the second deployment profile.
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31. 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; a plurality of rear deploying blades residing at least in part in the at least one blade recess and slidingly engaged with the broadhead body, the blades each comprising an impact edge exterior from the broadhead body when in a retracted configuration, a cutting edge, and a camming edge effecting a camming action during deployment of the blades from the retracted configuration to a deployed configuration; and wherein each rear deploying blade comprises an elongated slot pivotally engaged with a feature on the broadhead body having a non-cylindrical cross-sectional shape, the elongated slot comprising a first end comprising a non-cylindrical cross-sectional shape generally corresponding to the non-cylindrical cross-sectional shape of the feature on the broadhead body.
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32. 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; a plurality of rear deploying blades residing at least in part in the at least one blade recess and slidingly engaged with the broadhead body, the blades each comprising an impact edge exterior from the broadhead body when in a retracted configuration, a cutting edge, and a camming edge effecting a camming action during deployment of the blades from the retracted configuration to a deployed configuration; and a tip blade located at the penetrating end with a maximum width measured perpendicular to the center longitudinal axis greater than a maximum width of the rear deploying blades when in the retracted configuration. - View Dependent Claims (33)
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34. 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; a plurality of rear deploying blades residing at least in part in the at least one blade recess and slidingly engaged with the broadhead body, the blades each comprising an impact edge exterior from the broadhead body when in a retracted configuration, a cutting edge, and a camming edge effecting a camming action during deployment of the blades from the retracted configuration to a deployed configuration, wherein each rear deploying blade comprises a shape designed to flex rearward relative to the penetrating end; and a shock-absorbing retainer releasably engaged with the rear deploying blades to retain the rear deploying blades in the retracted configuration and located between the rear deploying blade and the broadhead body in the deployed configuration.
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35. 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; a plurality of rear deploying blades residing at least in part in the at least one blade recess and slidingly engaged with the broadhead body, the blades each comprising an impact edge exterior from the broadhead body when in a retracted configuration, a cutting edge, and a camming edge effecting a camming action during deployment of the blades from the retracted configuration to a deployed configuration; a tip blade attached to the penetrating end generally perpendicular to at least one of the rear deploying blades; and a shock-absorbing retainer releasably engaged with the rear deploying blades to retain the rear deploying blades in the retracted configuration and located between the rear deploying blade and the broadhead body in the deployed configuration.
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Specification