Modular Firearm Reaction Rod With Interchangeable Heads
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Solution Overview
Problem
Traditional reaction rods for firearm maintenance are heavy, lack durability, require replacement of the entire tool when parts become worn, and have limited versatility due to single-piece construction, leading to increased costs and inefficiencies.
Innovation Solution
A modular reaction rod design with a shaft and interchangeable heads, allowing for the replacement of worn or damaged components, and adaptable material selection for different firearm types and calibers, featuring a secure vise attachment mechanism.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a single-piece reaction rod is constructed from steel, then durability and strength are improved, but weight increases making the tool heavier and less convenient to handle
Solution Approach 1:
The reaction rod is divided into two separate components: a shaft and a head. The shaft can be made from lightweight material (aluminum or steel) while the head is made from high-strength steel for durability. This segmentation allows each component to be optimized for its specific function, reducing overall weight while maintaining strength where needed.
2Device complexity
If a single-piece reaction rod is used, then the structure is simple, but the entire tool must be replaced when the working end becomes damaged or worn
Solution Approach 1:
By separating the reaction rod into a shaft and a removable head connected via lugs and receptacles, the design allows the head to be replaced independently when worn or damaged. This modular approach extends the tool's lifespan and reduces replacement costs, as only the head needs replacement rather than the entire rod.
Solution Approach 2:
The modular design enables the head (the wear-prone component) to be discarded and replaced while recovering and reusing the shaft. This extends the overall tool life and reduces waste, as the majority of the tool (the shaft) remains in good condition and can be reused multiple times.
3Ease of manufacture
If a single-piece reaction rod is designed, then manufacturing is straightforward, but versatility is limited requiring multiple specialized rods for different tasks
Solution Approach 1:
The shaft is designed with a universal interface (lugs and receptacles) that can accommodate multiple types of heads for different firearm platforms and maintenance tasks. This allows a single shaft to perform multiple functions by simply changing the head, eliminating the need for multiple specialized rods and reducing storage requirements.
4Device complexity
If a cylindrical reaction rod is used, then the design is simple, but the rod is unsuitable for secure clamping in a vise
Solution Approach 1:
The reaction rod is segmented into a shaft and a separate head component. The shaft can be designed with a cylindrical shape for simplicity, while the head incorporates flat surfaces or geometric shapes that provide secure clamping surfaces for the vise. This segmentation allows each component to have optimized features for its specific function.
Data Source
AI summary
The present invention provides a reaction rod for working on a firearm comprising a shaft having a distal end and a proximal end, one or more lugs protruding from the proximal end, and a head mounted on the shaft at the proximal end. The head has a tool end, a connection end, and one or more reception points at the connection end, each reception point corresponding with each lug on the shaft and able to accept the lug when the head is mounted to the shaft. The tool end may be configured to engage a set of barrel lugs on a firearm. The distal end of the shaft may be configured for mounting in a vise. An attachment mechanism may secure the head to the shaft. The reaction rod allows for interchangeable heads and facilitates work on firearms without damaging the receiver.