Barrel Harmonizing Sleeve with Tuning Nuts for Firearm Accuracy
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Solution Overview
Problem
Existing barrel harmonizing solutions are cumbersome, expensive, and interfere with other accuracy-enhancing devices on rifles, requiring time-consuming and hazardous custom ammunition loading to match barrel vibrations, and often become out of tune or obstruct flash hiders and suppressors.
Innovation Solution
A barrel harmonizing assembly comprising a cylindrical sleeve with adjustable tuning nuts and a bonding agent, which is installed around the barrel without extending from the forward end, allowing for easy adjustment and retention without obstructing other accuracy-enhancing devices, and includes a threaded retainer that can function as a locknut or suppressor.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If adjustable dampers or pressure bedding points are used to tune barrel harmonics, then barrel vibration control is improved, but the device becomes complex and requires frequent retuning
Solution Approach 1:
The harmonizing assembly is divided into separate functional components: a cylindrical sleeve that fits over the barrel, adjustable tuning nuts for vibration control, and a retainer for securing. This segmentation allows each component to perform its specific function independently, simplifying the overall device while maintaining effective barrel harmonics control.
2Reliability
If devices are attached to the forward end of the barrel to tune harmonics, then barrel vibration control is improved, but the device obstructs flash hiders and suppressors
Solution Approach 1:
The harmonizing assembly is nested within the barrel structure rather than extending from it. The cylindrical sleeve fits over a portion of the barrel, and the retainer secures it in place, allowing the assembly to be contained within the overall firearm structure. This enables compatibility with flash hiders, suppressors, and other external devices that attach to the forward end of the barrel.
3Measurement precision
If custom ammunition loading is performed to match barrel harmonics, then shot accuracy is improved, but the process becomes time-consuming and hazardous
Solution Approach 1:
The patent replaces the complex chemical process of custom ammunition loading with a mechanical adjustment system. The cylindrical sleeve with adjustable tuning nuts provides mechanical means to control barrel harmonics, eliminating the need for time-consuming and hazardous experimental ammunition formulation while achieving the same goal of improved shot accuracy.
4Reliability
If adjustable weights on the muzzle are used to alter resonant portion length, then barrel harmonics are tuned, but the device becomes prone to damage and becoming out of tune
Solution Approach 1:
The harmonizing assembly incorporates adjustable tuning nuts that allow dynamic adjustment of the cylindrical sleeve position along the barrel. This enables the user to fine-tune the harmonics control by moving the sleeve to different positions, providing adaptability while maintaining stability through the secure retainer mechanism that prevents the assembly from becoming loose or damaged.
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 provides improved accuracy by allowing for easy tuning of barrel harmonics without the need for custom ammunition loading, is cost-effective, and does not interfere with other accuracy-enhancing devices, offering a straightforward method to achieve tighter shot groupings.
Implementation Method 1
Other tuners work by using an adjustable weight on the muzzle to alter the length of the resonant portion of the barrel
Data Source
AI summary
A barrel harmonizing assembly and method for a firearm in which a cylindrical harmonizer sleeve, as well as a pair of tuning nuts which are threadedly positioned on the harmonizer sleeve for longitudinal tuning movement, are positioned around the barrel, rather than projecting from the forward end of the barrel, in order to provide improved tuning and to permit the use, as part of the assembly, of a flash hider, a recoil compensator, a suppressor or other device on the end of the barrel to further improve the accuracy of the barrel and/or provide other benefits.