Universal Firearm Adapter with Constricting Sleeve

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Solution Overview

Problem

Existing firearm suppressor attachment methods are inflexible, time-consuming, and often require permanent modifications or specialized tools, making them costly and difficult to implement on a wide range of firearms without damaging the barrel.

Innovation Solution

A universal adapter system featuring a constricting sleeve and compression collar that securely attaches to the firearm barrel without tools, using a flexible fitment sleeve to accommodate various barrel diameters and geometries, allowing for easy and concentric attachment of muzzle devices like suppressors.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If traditional suppressor attachment methods are used, then secure attachment is achieved, but the process requires permanent modifications or specialized tools and is time-consuming

Engineering Contradiction:
Improveattachment securityVSAvoidattachment time
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The adapter is divided into multiple functional segments: a fitment sleeve for barrel engagement, a constricting mechanism for securing, and a suppressor interface. This segmentation allows each component to perform its specific function efficiently, enabling tool-less attachment while maintaining security.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The adapter includes pre-configured features such as internal threads, alignment guides, and constriction elements that are prepared in advance. These preliminary actions enable the user to simply slide the adapter onto the barrel and secure it without requiring specialized tools or permanent modifications.

Inventive Principle:
Principle #10Preliminary action

2Manufacturing precision

If custom adapters are manufactured for specific firearms, then precise fit is achieved, but manufacturing costs and device complexity increase

Engineering Contradiction:
Improvebarrel fit precisionVSAvoidadapter configuration variety
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The adapter employs a universal fitment sleeve design with adjustable constriction capabilities that can accommodate multiple barrel diameters and configurations. This universal design eliminates the need for manufacturing multiple specialized adapters for different firearms, reducing both complexity and cost while maintaining precise fit through the constriction mechanism.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The adapter allows for parameter changes in the constriction force and engagement depth to accommodate different barrel specifications. By adjusting these parameters rather than changing the entire adapter design, the system achieves precise fit for various firearms without increasing device complexity.

Inventive Principle:
Principle #35Parameter changes

3Reliability

If gunsmithing services are used for barrel threading, then permanent secure attachment is achieved, but the process is costly and permanently alters the firearm

Engineering Contradiction:
Improveattachment permanenceVSAvoidfirearm modification complexity
Core Design Contradiction:
ReliabilityVSEase of manufacture

Solution Approach 1:

The adapter serves as an intermediary component between the barrel and suppressor. Instead of permanently modifying the barrel to accept a suppressor, the adapter provides the necessary threading and interface features, preserving the original barrel while achieving secure permanent attachment of the suppressor.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The adapter is designed as a replaceable component that can be manufactured more economically than custom gunsmithing work. If needed, the adapter can be replaced rather than re-threading the barrel, providing a cost-effective alternative to permanent gunsmithing modifications.

Inventive Principle:
Principle #27Cheap short-living objects (Disposable)

Data Source

PatentUS10996015B2Firearm adapter
Publication Date: 2021.05.04 DEVHOLD INC
  • US10996015B2 patent drawing
  • US10996015B2 patent drawing
  • US10996015B2 patent drawing

AI summary

A fast-attaching, self-aligning, easily adaptable firearm adapter. The novel adapter attaches to the barrel of a firearm while precisely aligning the barrel and adapter using a concentric constriction sleeve along the barrel and a barrel guide to funnel firearm muzzle. The device is adapted to attach to a wide range of barrel diameters via an easy to fit and inexpensive to manufacture fitment sleeve. Thus, the adapter can be manufactured in a single size and work with most firearms. In addition, the device attaches to the smooth section of barrel thereby eliminating the need for permanently modifying a firearm by threading the barrel.