Universal Broadhead Ferrule for Fixed-Mechanical Blade Switching

Resolve Bottlenecks,
Find Innovative SolutionsGenerate Solutions

Solution Overview

Problem

Current broadheads are limited to either fixed or mechanical configurations, leading to unpredictable accuracy and poor training habits due to different dynamic flight characteristics, and no universal ferrule exists to transition between these configurations while maintaining compliance with hunting regulations.

Innovation Solution

A multifunctional broadhead with a universal ferrule that allows users to easily switch between mechanical and fixed blade configurations using interchangeable blades, maintaining consistent aerodynamic performance and compliance with various hunting regulations.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Speed

If a mechanical broadhead is used, then aerodynamic performance during flight is improved, but penetration capability deteriorates due to energy loss in blade deployment

Engineering Contradiction:

Improveaerodynamic performanceVSAvoidpenetration capability

Core Design Contradiction:

SpeedVSForce

Solution Approach 1:

The broadhead employs a mechanical deployment system where blades transition from a retracted aerodynamic position during flight to an extended cutting position upon target impact. This dynamic configuration allows the broadhead to optimize aerodynamic performance during arrow flight while delivering maximum penetration capability at the moment of impact, resolving the contradiction between speed and force.

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The broadhead pre-positions the blades in a retracted state before target contact, preparing the aerodynamic configuration in advance. Upon impact, the blades rapidly deploy to the extended position, ensuring that the penetration capability is activated at the precise moment needed, thus resolving the trade-off between flight performance and impact force.

Inventive Principle:

Principle #10Preliminary action

2Force

If a fixed-blade broadhead is used, then penetration capability is improved, but aerodynamic performance deteriorates due to increased drag

Engineering Contradiction:

Improvepenetration capabilityVSAvoidaerodynamic performance

Core Design Contradiction:

ForceVSSpeed

Solution Approach 1:

The broadhead dynamically adjusts blade configuration based on flight phase: blades remain retracted during flight to minimize drag and maximize aerodynamic performance, then extend upon target impact to provide maximum penetration capability. This resolves the contradiction by making the broadhead adaptive rather than static.

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The broadhead separates the aerodynamic function (retracted blades during flight) from the cutting function (extended blades at impact) through temporal segmentation. This allows optimization of each function at the appropriate moment, resolving the trade-off between speed and force.

Inventive Principle:

Principle #1Segmentation

3Adaptability or versatility

If multiple broadheads are used to comply with different hunting regulations, then adaptability to regulations is improved, but device complexity and cost increase

Engineering Contradiction:

Improvecompliance with hunting regulationsVSAvoidnumber of broadheads required

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The broadhead incorporates both fixed-blade and mechanical-blade configurations within a single device, allowing it to function as either type depending on regulatory requirements. This multi-functionality eliminates the need for archers to maintain separate broadheads for different hunting regulations, reducing complexity while maintaining full adaptability.

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

Instead of requiring separate broadheads for fixed-blade and mechanical configurations, this invention inverts the approach by integrating both configurations into one broadhead. The user can switch between configurations as needed, reversing the traditional paradigm of one broadhead type per regulation.

Inventive Principle:

Principle #13The other way round (Inversion)

4Speed

If mechanical broadheads with retracted blades are used, then aerodynamic performance is improved, but blade deployment energy consumption increases

Engineering Contradiction:

Improveaerodynamic performanceVSAvoidblade deployment energy

Core Design Contradiction:

SpeedVSUse of energy by moving object

Solution Approach 1:

The mechanical deployment system is designed to utilize the impact energy from target contact to automatically deploy the blades, rather than requiring separate power sources. The deployment mechanism is self-actuating, converting the kinetic energy of impact into the work needed to extend the blades, thus minimizing additional energy consumption while maintaining superior aerodynamic performance during flight.

Inventive Principle:

Principle #25Self-service

Data Source

PatentUS20260063400A1Multi-Functional Broadhead Fixed and Mechanical

Publication Date: 2026.03.05 EVOLUTION OUTDOORS LLC

AI summary

An archery broadhead may include a universal ferrule that may be configurable for a mechanical configuration and/or a fixed configuration.