Wearable Weapon Stabilizer with Spring Counterbalance
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Solution Overview
Problem
Conventional methods for stabilizing rifles, such as slings, bipods, and shooting sticks, fail to provide adequate stability while moving and can lead to arm fatigue, reducing accuracy over time due to uneven weight distribution and lack of recoil force management.
Innovation Solution
A wearable, passive mechanical appendage that connects to a tactical vest and firearm via a four-bar linkage with a spring element, redistributing the weight of the weapon onto the torso and managing recoil forces, allowing for adjustable and low-profile operation across various positions and user sizes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If a sling is used to stabilize the weapon, then the weapon can be supported, but the weight is not transferred off the arms and arm fatigue still occurs
Solution Approach 1:
The patent employs a spring-loaded counterbalance mechanism that actively counteracts the weight of the weapon. The spring element stores mechanical energy and provides an opposing force to the weapon's weight, effectively transferring the load from the shooter's arms to the vest structure, thereby eliminating arm fatigue while maintaining stability.
Solution Approach 2:
The patent introduces a mechanical interface system consisting of a vest attachment, hinge assembly, and spring mechanism as an intermediary between the weapon and the shooter's body. This intermediary system acts as a load-transfer mechanism, mediating the force distribution from the weapon through the spring element to the vest, preventing direct arm fatigue.
2Stability of the object's composition
If bipods or shooting sticks are used for stabilization, then accuracy is improved, but they cannot provide stability while the shooter is moving
Solution Approach 1:
The patent employs a dynamic hinge assembly with multiple degrees of freedom that allows the weapon interface to adapt to various body positions and movements. The hinge mechanism provides rotational joints that enable the system to maintain stability whether the shooter is stationary, moving, prone, or in unconventional positions, unlike fixed bipods or shooting sticks.
Solution Approach 2:
The patent creates a universal weapon interface system that can be used across multiple shooting positions and movement states. The combination of vest attachment, hinge assembly, and spring mechanism provides a multi-functional solution that works for stationary shooting, moving, prone positions, and unconventional aiming postures, replacing the need for position-specific stabilization devices.
3Measurement precision
If the weapon weight is held by the arms for extended periods, then aiming can be maintained, but fatigue reduces accuracy quickly
Solution Approach 1:
The spring-loaded counterbalance mechanism continuously counteracts the weapon's weight throughout extended periods of use. The spring element maintains constant mechanical support, preventing the accumulation of fatigue in the shooter's arms over time, thereby sustaining aiming accuracy for prolonged durations without degradation.
4Stability of the object's composition
If conventional stabilization devices are used, then some support is provided, but they do not redistribute recoil forces across other parts of the body
Solution Approach 1:
The mechanical interface system serves as an intermediary force-distribution mechanism. The spring element and hinge assembly act as force-transmitting intermediaries that redirect recoil forces from the shoulder pocket area across the vest structure to the torso and other body parts, distributing the impact loads more evenly throughout the shooter's body.
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
Enhances rifle accuracy, reduces arm fatigue, and enables one-handed operation with a wider range of motion, while minimizing weight and recoil impact on the user's body, outperforming existing stabilization devices by maintaining stability without grounding or restricting weapon motion.
Implementation Method 1
The interface connects to the Picatinny rail modular system on the firearm, allowing it to work with various weapons or implements which utilize the Picatinnym rail system. Our invention allows for a complete stabilization of a weapon or tool by redistributing the weight onto the torso of the user or operator using a unique spring element.
Implementation Method 2
A wearable, passive mechanical appendage that connects to a tactical vest and firearm via a four-bar linkage with a spring element, redistributing the weight of the weapon onto the torso
Data Source
AI summary
A novel wearable apparatus for stabilizing a firearm is described. The “Third Arm” apparatus attaches to a tactical vest on one end, and the rail interface system of the firearm on the other end. The arm allows the user to move the firearm with minimum restrictions while providing complete counterbalancing of the firearm, removing the weight of the firearm from the user's arms, thus reducing arm fatigue and improving accuracy. The apparatus enables the use of unconventional weapons systems including high recoil firearms and skeletonized firearms. Third Arm provides a structure to distribute recoil forces and onto which recoil management systems can be placed to aid in shot consistency and reduce discomfort of recoil forces. The apparatus is adjustable for different sized users and different weight firearms.