Universal Muzzle Attachment Device for Firearm Harmonic Tuning

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Solution Overview

Problem

Existing muzzle attachments and barrel tuners require multiple devices, increasing cost, weight, and complexity, and often necessitate lengthy calibration sessions to achieve accuracy, with varying thread sizes and barrel profiles complicating the process.

Innovation Solution

A universal attachment device with axial and rotational movement constraints allows for easy self-timing and swapping of muzzle attachments, using a single device to tune firearm harmonics without additional weight or professional assistance.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If multiple different devices (muzzle attachments and barrel tuners) are used to fit different firearms, then the firearms can be adapted to different thread sizes and barrel profiles, but the overall weight of the firearm increases and the cost increases

Engineering Contradiction:

Improvecompatibility with different thread sizes and barrel profilesVSAvoidoverall weight of the firearm

Core Design Contradiction:

Adaptability or versatilityVSWeight of moving object

Solution Approach 1:

The attachment device is designed with a universal interface that can accommodate multiple thread sizes (e.g., 5/8-24, 1/2-28) and different barrel profiles through a standardized connector design. This allows a single attachment device to serve multiple firearms with different specifications, eliminating the need for multiple specialized devices and thereby reducing overall weight.

Inventive Principle:

Principle #6Universality (Multi-functionality)

2Adaptability or versatility

Engineering Contradiction:

Improvecompatibility with different thread sizes and barrel profilesVSAvoidcost of multiple devices

Core Design Contradiction:

Adaptability or versatilityVSEase of manufacture

Solution Approach 1:

The attachment device employs a universal connector design that can interface with various thread sizes and barrel profiles, allowing a single device to replace multiple specialized devices. This consolidation reduces the total cost of equipment for shooters while maintaining compatibility across different firearm platforms.

Inventive Principle:

Principle #6Universality (Multi-functionality)

3Adaptability or versatility

If multiple different devices are used on the firearm, then different functions (muzzle attachment and barrel tuning) can be achieved, but lengthy shooting adjustment sessions are required to calibrate the different devices

Engineering Contradiction:

Improvefunctional capability of muzzle attachment and barrel tuningVSAvoidcalibration time for multiple devices

Core Design Contradiction:

Adaptability or versatilityVSLoss of time

Solution Approach 1:

The invention combines the barrel tuner and muzzle attachment into a single integrated device. The annular body serves both as a barrel tuner for adjusting barrel harmonics and as a mounting interface for muzzle attachments. This merging eliminates the need for separate calibration sessions for multiple devices, as only one device needs to be adjusted and timed to the barrel.

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The attachment device incorporates self-timing features that allow the user to independently align and time the device to the barrel without requiring professional gunsmith assistance. This self-service capability reduces calibration time and enables users to perform their own adjustments quickly and accurately.

Inventive Principle:

Principle #25Self-service

4Ease of operation

If a muzzle attachment is rigidly fixed to the barrel, then the orientation is fixed and timing is simple, but the ability to tune barrel harmonics through axial adjustment is lost

Engineering Contradiction:

Improvesimplicity of timing and orientationVSAvoidability to tune barrel harmonics

Core Design Contradiction:

Ease of operationVSAdaptability or versatility

Solution Approach 1:

The connector design incorporates dynamic elements that allow for both fixed orientation (for timing) and axial adjustment (for tuning). The connector can be positioned at specific orientations for proper timing while still permitting axial movement to adjust the position of the muzzle attachment relative to the barrel, enabling harmonic tuning without compromising timing accuracy.

Inventive Principle:

Principle #15Dynamics

Data Source

PatentEP4194797B1Muzzle attachment device

Publication Date: 2026.03.18 THOR INDUSTRIES

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AI summary

Disclosed herein is an attachment device for use with a firearm. The attachment device has a central axis and includes an annular body having first and second ends and an external surface. A first connector, for connecting to a muzzle attachment, is located proximate to the first end. The first connector allows for axial movement of the muzzle attachment but prevents radial movement of the connected muzzle attachment. A second connector is located proximate to the second end. The second connector connects the attachment device to the firearm.