Broadhead Blade Gravity Lock and Inertia Release Mechanism
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Solution Overview
Problem
Current broadhead designs for hunting face challenges in maintaining effective control of blades during transport, absorption of launch energies, and impact with the target, leading to reduced accuracy and penetrating power due to complex mechanisms that require significant momentum energy to deploy blades, resulting in inefficiency and potential premature deployment.
Innovation Solution
A broadhead blade gravity lock and inertia release apparatus featuring a support structure with a locking pin channel, a pressure device, and a locking pin that uses gravity and inertia to lock and unlock blades, minimizing energy loss and maintaining structural integrity, allowing for efficient deployment and maximum cutting surface exposure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If complex closure mechanisms are used to control blade deployment, then blade control during transport is improved, but the amount of momentum energy required to deploy blades increases significantly
Solution Approach 1:
The patent removes complex closure mechanisms (rubber bands, O-rings, plastic collars, friction devices) from the system and replaces them with a simple gravity-based locking mechanism. The locking pin and channel design allows blades to be held in a closed position during transport without requiring energy-intensive closure elements, thereby reducing the momentum energy needed for deployment while maintaining reliable blade control.
Solution Approach 2:
The locking pin automatically engages with the blade's locking surface through gravity during transport, and automatically disengages when the blade experiences compressive force during deployment. This self-actuating mechanism eliminates the need for external energy sources or complex control systems, reducing momentum energy requirements while ensuring reliable blade control.
2Reliability
If stronger closure mechanisms are used to prevent premature deployment, then blade control is improved, but the amount of momentum energy required to defeat the mechanism increases
Solution Approach 1:
The patent eliminates traditional closure mechanisms (rubber bands, O-rings, plastic collars) that require significant momentum energy to defeat. Instead, it employs a gravity-based locking pin system that provides reliable blade control without requiring strong closure forces, thereby minimizing momentum energy loss during deployment.
Solution Approach 2:
The locking mechanism changes from requiring forceful defeat of elastic or friction-based closure elements to a gravity-dependent system where the locking pin naturally engages during transport and disengages under compressive load. This parameter change from force-based to gravity-based control reduces the momentum energy required for blade deployment.
3Adaptability or versatility
If mechanical broadheads are used to expand killing area, then hunting effectiveness is improved, but accuracy and penetrating power are reduced due to energy loss in deployment
Solution Approach 1:
The broadhead is divided into a support structure, movable blades, a locking pin, and a pressure device. This segmentation allows the blades to remain controlled during transport and then deploy efficiently upon impact, maintaining accuracy and penetrating power while providing an expanded cutting surface area for effective hunting.
Solution Approach 2:
The locking pin and pressure device work together in a self-actuating system where compressive force during impact automatically releases the locking pin, allowing the pressure device to push the blades to their deployed position. This eliminates the need for complex mechanical deployment mechanisms that would compromise accuracy and penetrating power.
4Ease of operation
If disposable blade holding mechanisms are used, then blade deployment is simplified, but the amount of momentum energy required for deployment increases
Solution Approach 1:
The patent removes disposable blade holding mechanisms that require significant momentum energy to deploy. Instead, it employs a reusable locking pin system with a channel that provides simple, energy-efficient blade deployment through gravity and compressive force, maintaining ease of operation while minimizing energy consumption.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This solution enhances the efficiency and effectiveness of forward momentum energy, ensuring accurate and humane killing by maintaining blade control and structural integrity, reducing momentum energy loss, and providing a wide impact area with minimal deflection and lateral drag, while being easy to attach and reuse.
Implementation Method 1
A locking pin is located in the locking pin channel where the locking pin is free to move toward and away from the blade within the locking pin channel
Implementation Method 2
A blade is attached with the support structure such that the blade is movable from a first position to a second position
Implementation Method 3
A pressure device is connected with the blade where the pressure device is configured to apply pressure to the blade
Data Source
AI summary
A broadhead blade gravity lock and inertia release apparatus and method consists of a. support structure with a locking pin channel. A blade is attached with the support structure such that the blade is movable from a first position to a second position. A pressure device is connected with the blade where the pressure device is configured to apply pressure to the blade. A locking pin is located in the locking pin channel where the locking pin is free to move toward and away from the blade within the locking pin channel and where the locking pin is configured to releasably connect with the blade such that when the blade is connected with the locking pin the blade is held in the first position by the pressure on the blade and where compressive force on the blade releases the blade from the locking pin such that the pressure device then pressures the blade to the second position and where, when connection with the blade is removed, the locking pin is free to move away from the blade within the locking pin channel.