Universal Gas Block Alignment Tool for Rifle Barrel

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Solution Overview

Problem

Existing methods for aligning the gas port of a rifle barrel with the mating port of a gas block are limited in their universality, often requiring trial and error or being specific to particular rifle or gas block designs, lacking a standardized approach for civilian/commercial rifles.

Innovation Solution

A universal alignment tool with an alignment port for longitudinal alignment and an alignment slot for axial alignment, allowing for precise marking and positioning of the gas block relative to the rifle barrel, ensuring optimal alignment of the gas port and mating port across various rifle and gas block variants.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Manufacturing precision

If trial and error method is used to align the gas block with the rifle barrel, then alignment can be achieved, but the process becomes lengthy and frustrating

Engineering Contradiction:
Improvealignment precisionVSAvoidalignment time
Core Design Contradiction:
Manufacturing precisionVSLoss of time

Solution Approach 1:

The alignment tool creates reference marks and positioning features before the actual gas block installation. The tool includes a longitudinal alignment feature that establishes the correct position, and a transverse alignment feature that establishes the correct orientation, allowing the gas block to be installed correctly in one attempt rather than through repeated trial and error

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The alignment tool serves as an intermediary device between the rifle barrel and the gas block. It transfers alignment information from the barrel to the gas block through marking surfaces and positioning features, facilitating precise alignment without requiring direct manual adjustment or trial and error fitting

Inventive Principle:
Principle #24Intermediary (Mediator)

2Manufacturing precision

If alignment methods specific to particular rifle or gas block designs are used, then alignment can be achieved for those specific designs, but the methods lack universality across different civilian/commercial rifle variants

Engineering Contradiction:
Improvealignment precisionVSAvoiduniversality
Core Design Contradiction:
Manufacturing precisionVSAdaptability or versatility

Solution Approach 1:

The alignment tool is designed with universal features that allow it to work with multiple variants of civilian and commercial rifles. The tool includes a longitudinal alignment feature with a marking surface that can accommodate different barrel designs, and a transverse alignment feature that can establish correct orientation for various gas block types, making the tool applicable across different rifle platforms

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

Data Source

PatentUS10845140B2Method and tool for alignment of a gas block and rifle barrel
Publication Date: 2020.11.24 SMITH LORING
  • US10845140B2 patent drawing
  • US10845140B2 patent drawing
  • US10845140B2 patent drawing

AI summary

Method and tool for promptly aligning the mating port of a gas block with the gas port of a rifle barrel. The prompt alignment of the mating port and gas port is accomplished by using an alignment tool have an alignment port and an alignment slot. The alignment tool is inserted into the gas block such that the alignment port is centered over the mating port and that a portion of the alignment tool protrudes from the gas block. The top surface of the alignment tool is marked circumferentially and the forward end of the gas block is marked perpendicular to the alignment slot. The alignment tool is then removed from the gas block and affixed to the rifle barrel such that the alignment port is centered over the gas port. The barrel is marked through the alignment slot in line with the circumferential marking on the top surface of the alignment tool. The alignment tool is removed and the barrel inserted through the gas block until the marking on the forward end of the gas block is aligned with the marking on the barrel.