Firearm Safety Round with Integrated Maintenance Tool Extension

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Solution Overview

Problem

Firearm maintenance in the field is cumbersome due to the need to carry additional tools, which adds weight and is inconvenient, while existing safety rounds do not provide integrated tool functionality.

Innovation Solution

A firearm safety round with a cylindrical body and an extension that serves as a tool for maintenance, featuring a visible tab for confirmation and a pivotable pin for additional functionality, allowing for field stripping and other maintenance tasks without detracting from its safety function.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If traditional safety rounds are used, then the firearm chamber is secured against unauthorized firing, but additional maintenance tools must be carried separately adding weight and inconvenience

Engineering Contradiction:
Improvefunctionality integrationVSAvoidcarrier weight
Core Design Contradiction:
Adaptability or versatilityVSWeight of moving object

Solution Approach 1:

The patent combines the safety round function with maintenance tool functions by integrating a pin and extension features directly into the safety round structure. The pin can be used to remove retaining pins from firearms, and the extension provides additional tool functionality, merging what were previously separate items (safety round and maintenance tools) into a single integrated device.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The safety round is designed to perform multiple functions: it serves as a chamber safety device, a maintenance tool for removing retaining pins, and a field stripping tool. This multi-functionality eliminates the need to carry separate tools for maintenance tasks, directly addressing the contradiction by providing versatility while reducing overall carrier weight.

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

2Ease of operation

If maintenance tools are carried separately, then specific maintenance tasks can be performed, but the carrier must accommodate additional items increasing weight and complexity

Engineering Contradiction:
Improvemaintenance convenienceVSAvoidcarrier complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The maintenance functions are merged into the safety round structure itself. The pin and extension features are built-in components that can be deployed for maintenance tasks without requiring separate tool carriers or accessories, simplifying the overall system while maintaining ease of operation.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The safety round performs maintenance functions for itself and the firearm. The integrated pin can remove retaining pins from the safety round or the firearm, and the extension can be used for field stripping operations, allowing the device to service both itself and the firearm without requiring external tools.

Inventive Principle:
Principle #25Self-service

3Adaptability or versatility

If a pin is added to the safety round for maintenance functionality, then tool capability is enhanced, but the structural complexity of the safety round increases

Engineering Contradiction:
Improvetool functionalityVSAvoidsafety round structure
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The safety round is segmented into functional components: the body portion for chamber safety, the tab for visual indication, the pin for maintenance functions, and the extension for additional tool capability. This segmentation allows each component to perform its specific function while maintaining overall structural integrity and minimizing unnecessary complexity.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The pin is designed to be movable rather than fixed, allowing it to be positioned between a stored state (retracted into the body) and an operational state (extended for maintenance tasks). This dynamic design provides tool functionality when needed while minimizing structural complexity and weight when the pin is not in use.

Inventive Principle:
Principle #15Dynamics

Data Source

PatentUS8850738B2Combination safety round and multi-tool
Publication Date: 2014.10.07 SAFETECH INC
  • US8850738B2 patent drawing
  • US8850738B2 patent drawing
  • US8850738B2 patent drawing

AI summary

A combination firearm safety round that is configured to have tool features compatible for performing maintenance on the firearm. The safety round includes a cylindrical body portion having a small diameter extension having a substantially flat distal end, such that the extension is suitable as a tool for field stripping and maintenance of the firearm.