AR Platform Armorer Tool System Torque Distribution
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Solution Overview
Problem
Current tools for assembling and disassembling firearms, particularly the AR-15 and AR-10 platforms, face issues such as damage to small parts due to stress concentration, instability during assembly, and the need for excessive torque, which can lead to marring and accidents. Additionally, existing tools are often specific to certain barrel extensions, receiver styles, and calibers, making them costly and limiting their versatility.
Innovation Solution
The AR Armorer Tool System, comprising an upper receiver support tool and a lower receiver extension support tool, distributes torque over a wide surface area, allowing for safe assembly and disassembly of firearm components. These tools are designed to be independent of barrel extension and magazine well geometry, supporting a wide range of receiver styles and calibers, and can be used with both AR-15 and AR-10 platforms, reducing the need for multiple tools.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional tools are used for assembling and disassembling firearm components, then assembly operations can be performed, but stress concentration occurs on small parts causing damage
Solution Approach 1:
The patent transitions from point-contact tools to surface-contact tools. The support tools engage with the receiver over a broad surface area rather than at discrete points, distributing stresses across multiple dimensions and preventing stress concentration on small components like the barrel nut and castle nut.
Solution Approach 2:
The support tools are positioned and secured to the receiver before assembly operations begin. This preliminary positioning establishes a stable support structure that prevents movement and stress concentration during subsequent torque application, ensuring reliable assembly without part damage.
2Reliability
If conventional tools are used for firearm assembly, then assembly operations can be performed, but instability occurs during assembly
Solution Approach 1:
The support system is divided into separate modular components: an upper receiver support tool and a lower receiver extension support tool. Each tool is independently secured to its respective component, providing stable support while allowing the system to adapt to different firearm configurations without compromising overall stability.
Solution Approach 2:
The support tools act as intermediary elements between the firearm components and the assembly environment. By introducing these intermediate support structures, the patent eliminates direct unstable contact between components, providing a stable platform for assembly operations.
3Ease of operation
If conventional tools are used for firearm assembly, then assembly operations can be performed, but excessive torque is required leading to marring and accidents
Solution Approach 1:
The broad-surface support tools are positioned beforehand to cushion and absorb stresses during assembly operations. This preliminary support structure prevents excessive torque from being transmitted to small parts, cushioning against potential marring and accidents before they occur.
4Manufacturing precision
If tools are designed for specific barrel extensions and receiver styles, then precise fit for those components is achieved, but versatility and cost increase
Solution Approach 1:
The support tools are designed with universal features that allow them to work with multiple receiver styles and barrel extensions. The upper receiver support tool accommodates both AR-15 and AR-10 platforms, while the lower receiver extension support tool works with both MIL-SPEC and Commercial extensions, eliminating the need for multiple specialized tools.
Data Source
AI summary
An armorer tool system for distributing the applied torque over a very wide surface, associated with assembling and disassembling primarily the barrel and the lower receiver extension of an AR platform firearms, independently of the specifications of their barrel extension, lower receiver and upper receiver external features, and magazine well geometry; and methods of using the tools are also disclosed.