Multi-Functional Broadhead Fixed And Mechanical

Patent No. US10890421 (titled "Multi-Functional Broadhead Fixed And Mechanical") was filed by Evolution Outdoors on Dec 20, 2019.

What is this patent about?

’421 is related to the field of archery, specifically arrowheads or broadheads used for hunting. Broadheads are attached to the end of an arrow and are designed to inflict significant damage to game animals. Traditionally, bow hunters have had to choose between fixed-blade broadheads, which offer greater penetration but can be less aerodynamic, and mechanical broadheads, which are more aerodynamic in flight but may lose energy upon impact as the blades deploy.

The underlying idea behind ’421 is to create a multifunctional broadhead that can be easily switched between a fixed-blade configuration and a mechanical configuration using the same main body, or ferrule. This allows a hunter to adapt to different hunting regulations or game species without having to switch to a completely different broadhead, thus maintaining consistent arrow flight characteristics.

The claims of ’421 focus on a broadhead comprising a ferrule with slots , a screw/pin, and a media hole, blades that engage the slots and are secured by the screw/pin, and a base. The blades can be configured in a fixed position (fixed-blade mode) or in a retracted position that deploys upon impact (mechanical mode). The mode is user-selectable, and the blades are held in the retracted position by a media inserted into the media hole.

In practice, the user can choose between fixed or mechanical blades and secure them to the ferrule using the screw/pin. For the mechanical configuration, a piece of media (e.g., nylon or polymer) is inserted into the media hole to create a friction fit that holds the blades in the retracted position during flight. Upon impact with a target, the force overcomes the friction, and the blades pivot outward to their deployed position.

This design differentiates itself from existing broadheads by providing a true convertible system . Instead of being limited to either a fixed or mechanical design, the user can quickly and easily change the blade configuration to suit their needs. This is achieved through the specific design of the ferrule, which accommodates both fixed and mechanical blades, and the use of a simple screw/pin and media hole mechanism for securing and releasing the mechanical blades.

How does this patent fit in bigger picture?

Technical landscape at the time

In the late 2010s when ’421 was filed, broadheads for archery arrows were typically implemented using either fixed blades or mechanical blades. At a time when fixed-blade broadheads maintained blades in a rigid, extended position, mechanical broadheads commonly relied on blades that deployed upon contact with a target. When hardware or software constraints made the transition between fixed and mechanical configurations non-trivial, hybrid variations existed but were classified as mechanical.

Novelty and Inventive Step

Claims 1-20 were pending. Claims 1-8, 11-13, 16, and 18-20 were rejected under 35 U.S.C. 102(a)(2) as being anticipated by Mizek 5,941,784. Claims 9, 10, 14, 15, & 17 were rejected under 35 U.S.C. 103 as being unpatentable over Mizek. The prosecution record does NOT describe the technical reasoning or specific claim changes that led to allowance.

Claims

This patent includes 20 claims, with claims 1, 18, and 19 being independent. The independent claims are directed to a multifunctional arrow broadhead, a method of forming the broadhead, and a multifunctional arrow broadhead system. The dependent claims generally elaborate on and refine the features and configurations described in the independent claims.

Key Claim Terms New

Definitions of key terms used in the patent claims.

Term (Source)Support for SpecificationInterpretation
First screw/pin
(Claim 1, Claim 18, Claim 19)
“In accordance with an exemplary illustrative embodiment, a multifunctional arrow broadhead is disclosed comprising a ferrule that includes a plurality of slots and at least one screw/pin. In some examples, the broadhead may include at least two blades that are configured to engage the plurality of slots in the ferrule. In other examples, the screw/pin may secure the blades to the ferrule.”A fastener that secures the blades to the ferrule.
Fixed blade configuration
(Claim 18, Claim 19)
“In other examples, the first mode may be a fixed blade configuration in which the blades may be extended in a deployed position. In some examples, the second mode may be a mechanical configuration in which the blades may be further configured in a retracted position throughout an arrow time of flight and the blades may deploy to an extended position upon impacting a target.”A mode where the blades are extended and deployed.
Mechanical configuration
(Claim 18, Claim 19)
“In some examples, the second mode may be a mechanical configuration in which the blades may be further configured in a retracted position throughout an arrow time of flight and the blades may deploy to an extended position upon impacting a target. In certain examples, the ferrule may further include a media hole in which the blades may be held in the retracted position by insertion of a media into the media hole forming a friction fit. Upon target impact, the blades may deploy into the extended position.”A mode where the blades are retracted during flight and deploy upon impact.
Media hole
(Claim 1, Claim 18, Claim 19)
“In certain examples, the ferrule may further include a media hole in which the blades may be held in the retracted position by insertion of a media into the media hole forming a friction fit. Upon target impact, the blades may deploy into the extended position. In other examples, the media may be a nylon, a polymer blend, or combination thereof.”A hole in the ferrule that receives a media to hold the blades in a retracted position.
Plurality of slots
(Claim 1, Claim 18, Claim 19)
“In accordance with an exemplary illustrative embodiment, a multifunctional arrow broadhead is disclosed comprising a ferrule that includes a plurality of slots and at least one screw/pin. In some examples, the broadhead may include at least two blades that are configured to engage the plurality of slots in the ferrule. In yet another example, the blades may be configured to pivot from the retracted position to the extended position on an axis of the screw/pin and the blades may extend through the plurality of slots in the ferrule.”A set of openings in the ferrule that the blades engage with.

Litigation Cases New

US Latest litigation cases involving this patent.

Case NumberFiling DateTitle
5:25-cv-00047Jan 10, 2025Evolution Outdoors Llc V. Schneider

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US10890421

EVOLUTION OUTDOORS
Application Number
US16723681
Filing Date
Dec 20, 2019
Status
Granted
Expiry Date
Dec 20, 2039
External Links
Slate, USPTO, Google Patents