Firearm Spring Compression Tool for Delta Ring Removal
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Solution Overview
Problem
Existing firearm servicing tools lack compactness, simplicity, and adaptability for efficiently compressing delta rings during handguard removal and installation procedures across various firearm models.
Innovation Solution
A firearm spring compression tool with a base for magazine receiver placement, a yoke engaging the delta ring, and an actuator that flexes to compress the delta ring, allowing for one-handed operation and adaptability to different firearm models, including an extended base for vice-mounting and a transversely-extending handle for enhanced leverage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If specialized tools are developed for compressing D-rings, then the compression function is achieved, but the tool lacks compactness and portability
Solution Approach 1:
The patent combines the D-ring compression function with the magazine base assembly into a single integrated tool. The compression mechanism is merged with the magazine well interface, eliminating the need for separate specialized tools and reducing overall tool volume while maintaining full compression functionality.
Solution Approach 2:
The tool is designed with multi-functionality, serving both as a magazine base for firearm assembly and as a D-ring compression device. The same base structure supports both magazine insertion and D-ring compression operations, making the tool adaptable to different firearm models and procedures without requiring multiple specialized tools.
2Ease of operation
If specialized tools are developed for compressing D-rings, then the compression function is achieved, but the tool structure becomes complex
Solution Approach 1:
The compression mechanism is merged with the existing magazine base structure, utilizing the base's inherent mechanical properties for compression. This integration eliminates the need for separate complex compression mechanisms, reducing overall device complexity while maintaining effective D-ring compression capability.
Solution Approach 2:
The tool utilizes the firearm's own magazine well and base structure to provide the compression force needed for D-ring compression. The system serves itself by using the existing mechanical interface between the magazine and receiver to accomplish the compression function, eliminating the need for additional actuators or complex mechanical systems.
3Ease of operation
If the tool is designed for specific firearm models, then the compression function is optimized, but adaptability to different firearm models is reduced
Solution Approach 1:
The tool is designed with universal compatibility across multiple firearm models (AR-15, M-4, M-16) by utilizing the common magazine well interface shared by these platforms. The base fits into the standardized magazine receiver opening, allowing the same tool to effectively compress D-rings on different firearm models without requiring model-specific adaptations.
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
Enables efficient, one-handed handguard removal and installation with simplicity and adaptability to various firearm models, accommodating adverse conditions like darkness and extreme temperatures.
Implementation Method 1
an actuator configured for flexing the yoke rearwardly on the firearm and thereby compressing the D-ring
Data Source
AI summary
A firearm spring compression tool includes a base configured for anchoring the tool in a magazine well. A yoke is mounted on the base and includes a pair of arms configured for capturing a delta ring (“D-ring”) or other component on a firearm. An actuator is rotatably mounted on the yoke and is rotatable between a first, placement position for placing the yoke over the uncompressed D-ring and a second, compressed, release position. With the actuator in its second position, the D-ring is compressed whereby a handguard component of the firearm is released for removal in connection with a firearm servicing procedure.


