Pinned Tab Gas Block for Firearms

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Solution Overview

Problem

Traditional gas block designs for firearms are prone to shifting or rotating during firing, leading to reduced accuracy and increased wear, and are difficult to install and maintain without specialized tools.

Innovation Solution

A gas block design featuring a removable tab that covers set screws, secured by a pin running through the gas block body, with a slot for stable attachment, allowing for easy installation and removal without specialized tools and preventing set screw movement during firing.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If traditional pin attachment is used for gas block, then secure attachment is achieved, but installation time and tool requirements increase

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

Solution Approach 1:

The gas block is divided into two main segments: a body portion and a removable tab portion. The tab can be detached from the body, allowing the set screws to be accessed and removed independently. This segmentation enables quick installation and removal of the gas block without requiring specialized tools or extensive time, while maintaining secure attachment during operation through the pin that holds the tab to the body.

Inventive Principle:
Principle #1Segmentation

2Ease of operation

If set screws are exposed for attachment, then ease of adjustment is improved, but stability during firing deteriorates

Engineering Contradiction:
Improveadjustment accessibilityVSAvoidset screw stability
Core Design Contradiction:
Ease of operationVSStability of the object's composition

Solution Approach 1:

The set screws are extracted from their traditional exposed position and concealed within the gas block body, accessible only through the removable tab. This extraction maintains the stability and security of the attachment during firing while still allowing easy access to the set screws for adjustment when needed, as the tab can be simply removed to expose the screws.

Inventive Principle:
Principle #2Taking out (Extraction)

3Manufacturing precision

If gas block is securely attached, then accuracy is improved, but ease of maintenance deteriorates

Engineering Contradiction:
ImproveaccuracyVSAvoidmaintenance ease
Core Design Contradiction:
Manufacturing precisionVSEase of repair

Solution Approach 1:

The gas block design incorporates dynamic elements, specifically the removable tab that can be detached to access the set screws for maintenance or adjustment. This dynamic feature allows the gas block to transition between a secure, accurate state during operation and an easily maintainable state when the tab is removed, combining both accuracy and ease of maintenance.

Inventive Principle:
Principle #15Dynamics

Data Source

PatentUS12123675B1Pinned tab gas block
Publication Date: 2024.10.22 DUNGAN JOHN
  • US12123675B1 patent drawing
  • US12123675B1 patent drawing
  • US12123675B1 patent drawing

AI summary

The present invention is a gas block for use with a firearm that includes a tab covering the set screws and held in place by a pin that runs through the gas block body. The gas block body includes a slot around each set screw hole that allows the tab to be inserted into the gas block body. The tab provides several benefits over traditional gas block designs, including preventing the set screws from shifting or rotating during firing and allowing for easy installation and removal of the gas block without the need for specialized tools. The gas block is easily installed and removed, and the tab provides a secure and stable attachment point for the gas block. This gas block is an improvement in the field of rifle technology and is expected to find use in the firearms industry.