Interchangeable Firearm Chamber and Barrel System

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Solution Overview

Problem

Conventional firearm barrels deteriorate after repeated use, requiring expensive and time-consuming replacement by a gunsmith, leading to accuracy issues and material waste due to the difficulty in machining new chambers and bores without CNC machines.

Innovation Solution

An interchangeable chamber and barrel system allowing end users to easily change the chamber body and barrel without a gunsmith, utilizing CNC-manufactured components with threaded connectors for secure and concentric attachment, enabling users to switch calibers and maintain firearm accuracy.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If a conventional single-piece barrel is used, then the firearm can be manufactured simply, but the barrel deteriorates after repeated use and requires expensive, time-consuming replacement by a gunsmith

Engineering Contradiction:

Improvebarrel manufacturing simplicityVSAvoidbarrel replacement difficulty

Core Design Contradiction:

Ease of manufactureVSEase of repair

Solution Approach 1:

The barrel is divided into separate components: a barrel body and a chamber assembly that can be independently replaced. The chamber assembly includes the chamber and throat portions that can be detached from the barrel body, allowing selective replacement of only the worn chamber components without replacing the entire barrel.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The chamber assembly is designed with threaded connections and mounting mechanisms that allow it to be dynamically attached and detached from the barrel body. This enables the chamber assembly to be easily removed and replaced by the end user without requiring gunsmith assistance, while maintaining structural integrity during firing.

Inventive Principle:

Principle #15Dynamics

2Productivity

If a gunsmith machines a new chamber and bore into a barrel, then the barrel can be reused, but the process is expensive and time-consuming with wait times of 6 months to 12 months

Engineering Contradiction:

Improvebarrel replacement speedVSAvoidtime to replace barrel

Core Design Contradiction:

ProductivityVSLoss of time

Solution Approach 1:

The chamber assembly is pre-manufactured as a complete, ready-to-install component with the chamber and throat already formed to precise specifications. This eliminates the need for time-consuming on-site machining operations, allowing the end user to simply detach the old chamber assembly and attach the new one without waiting for custom machining.

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The chamber assembly is designed with user-friendly attachment and detachment mechanisms that enable the end user to perform the replacement themselves without requiring specialized gunsmith tools or skills. The threaded connections and mounting interfaces are designed to be operated with standard tools, making the replacement process accessible to ordinary users.

Inventive Principle:

Principle #25Self-service

3Adaptability or versatility

If a gunsmith machines a chamber into a barrel, then the barrel can be modified, but machining costs are higher and the entire barrel must be discarded if damaged during machining

Engineering Contradiction:

Improvechamber modification capabilityVSAvoidbarrel material waste

Core Design Contradiction:

Adaptability or versatilityVSLoss of substance

Solution Approach 1:

The chamber assembly is separated from the barrel body, allowing the chamber to be manufactured independently using optimized processes such as CNC machining or other precision manufacturing methods. If the chamber assembly is damaged during manufacturing or installation, only the chamber assembly needs to be discarded, not the entire barrel, significantly reducing material waste.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The chamber assembly acts as an intermediary component between the barrel body and the ammunition cartridge. This intermediate structure allows for easy replacement of the chamber portion without affecting the barrel body, enabling adaptability for different calibers or chamber designs while preserving the barrel investment.

Inventive Principle:

Principle #24Intermediary (Mediator)

4Manufacturing precision

If the throat of the bore is cut into the barrel, then the chamber can be formed, but concentricity between the throat and chamber is difficult to maintain due to barrel curvature

Engineering Contradiction:

Improvechamber and throat concentricityVSAvoidmachining complexity

Core Design Contradiction:

Manufacturing precisionVSDevice complexity

Solution Approach 1:

The chamber assembly is manufactured as a separate, self-contained unit with the chamber and throat portions already precisely aligned and concentric to each other. This eliminates the need for complex multi-step machining operations on the barrel itself, as the concentricity is established during the chamber assembly manufacturing process rather than through subsequent machining of the completed barrel.

Inventive Principle:

Principle #1Segmentation

Data Source

PatentUS9541343B2Interchangeable chamber and barrel system

Publication Date: 2017.01.10 WOLF PRECISION INC

AI summary

An interchangeable chamber and barrel system for allowing an end user to easily change a chamber body and/or a barrel for a firearm without the assistance of a gunsmith. The interchangeable chamber and barrel system generally includes an interchangeable chamber body having a chamber that is removably connectable to a receiver of a firearm and an interchangeable barrel that is removably connected to the chamber body opposite of the receiver. The chamber body and/or the barrel may be changed on the firearm at any time based on the preference of the end user.