Modular Inert Training Rifle with Interchangeable Barrels

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Solution Overview

Problem

Current inert training rifles lack modularity to accommodate interchangeable barrels and tactical accessories, limiting their ability to simulate real-world scenarios accurately for law enforcement and military training.

Innovation Solution

A modular, inert training rifle system with interchangeable modular barrels, a modular receiver, and tactical accessories that allow for customizable configurations to simulate various firearm lengths and features, including a barrel extension segment, cross bore, retaining ring, and Picatinny rail, enabling realistic training experiences.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a fixed, non-modular design is used for training rifles, then the structure is simple and easy to manufacture, but the adaptability to simulate different firearm configurations is limited

Engineering Contradiction:

Improveability to simulate different firearm configurationsVSAvoidmodular design complexity

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The training rifle is divided into separate modular components including a receiver assembly, barrel assembly, magazine, and stock that can be independently manufactured and assembled. The barrel assembly can be detached and replaced with different configurations to simulate various firearm types, while each component maintains structural integrity through standardized interface features.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The receiver assembly is designed with universal attachment interfaces that can accommodate multiple barrel configurations, magazine types, and stock variations. This allows a single base platform to serve multiple training scenarios by simply changing attached components, providing versatility without requiring entirely different rifle designs for each scenario.

Inventive Principle:

Principle #6Universality (Multi-functionality)

2Adaptability or versatility

If interchangeable modular barrels and accessories are added to training rifles, then the adaptability and realism of training simulations improve, but the device complexity and manufacturing difficulty increase

Engineering Contradiction:

Improvecustomizability with interchangeable barrels and accessoriesVSAvoidmanufacturing complexity of modular components

Core Design Contradiction:

Adaptability or versatilityVSEase of manufacture

Solution Approach 1:

Each interchangeable component (barrel, accessory, stock) is designed as a separate manufacturable unit with standardized connection interfaces. This segmentation allows different manufacturers to produce specialized components that can be assembled into complete training rifle configurations, distributing manufacturing complexity across multiple specialized producers rather than requiring one complex assembly line.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The modular components are designed with adjustable parameters such as barrel lengths, accessory mounting positions, and stock configurations that can be varied to create different training scenarios. These parameter changes are achieved through standardized interface features that allow simple component substitution rather than complex reconfiguration procedures.

Inventive Principle:

Principle #35Parameter changes

3Ease of operation

If a modular design with multiple attachment sites is implemented, then the ease of operation for configuring different training scenarios improves, but the device complexity increases

Engineering Contradiction:

Improveease of configuring different training scenariosVSAvoidnumber of attachment sites and components

Core Design Contradiction:

Ease of operationVSDevice complexity

Solution Approach 1:

The rifle system is segmented into major assemblies (receiver, barrel, stock, magazine) with standardized attachment interfaces. Each assembly can be independently configured and attached to the receiver through simple mechanical interfaces, allowing trainees to reconfigure the rifle for different scenarios by swapping pre-assembled modules rather than manipulating individual small components.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The modular components are designed with nested attachment features where smaller accessories can be attached to larger assemblies (e.g., scopes mounted on rails attached to the barrel assembly). This nesting approach allows multiple attachment sites to be organized hierarchically, reducing the operational complexity of managing numerous separate attachment points while maintaining configurability.

Inventive Principle:

Principle #7Nested doll (Nesting)

Data Source

PatentUS9435604B2Training rifle and magazine

Publication Date: 2016.09.06 ZUSMAN NISIM

AI summary

The present invention is directed to a polymer training rifle which may include a modular receiver portion, a simulated barrel nut, one or more interchangeable modular barrels, and a receiver extension tube. Selected parts and tactical accessories may be connected to the rifle training system to provide a customized training rifle. The modular receiver may include a magazine well that receives an actual magazine or an inert replica magazine. The receiver portion also may include a functional magazine catch assembly which allows a trainee to selectively secure and release a magazine from the magazine well. The one or more modular barrels, modular receiver portion, and inert replica magazine may each include a metal core to allow for detection by security screening equipment.