Adjustable Bore Guide Threaded Seal for Rifle Cleaning
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional bore guides for rifles fail to create a snug seal in the chamber, leading to leakage of cleaning solvent into the action and potential removal of lubricants, which can affect accuracy.
Innovation Solution
An adjustable bore guide with an elongated body, a stop mechanism, and interchangeable adapters and alignment tips that create a secure fit with the rifle chamber, preventing solvent leakage and ensuring proper alignment of the cleaning rod.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a sliding collar with set screw is used to position the bore guide, then the device can be adjusted to different positions, but it fails to create a snug seal against the chamber resulting in solvent leakage
Solution Approach 1:
The patent changes the sealing parameter from a sliding collar mechanism to a threaded engagement system. The threads on the bore guide body engage with corresponding threads in the chamber, allowing for precise positional adjustment while maintaining constant contact pressure for a reliable seal. This parameter change enables both adjustability and seal integrity simultaneously.
Solution Approach 2:
The patent introduces a dynamic adjustment mechanism where the bore guide can be threaded to different positions along the barrel, allowing the user to adjust the depth of insertion. The threaded connection maintains continuous contact between the bore guide and chamber, ensuring the sealing surface remains engaged throughout the adjustment range, thus preserving seal integrity while enabling operational flexibility.
2Device complexity
If the bore guide does not create a snug seal, then the structure remains simple, but cleaning solvent leaks into the action and removes lubricants
Solution Approach 1:
The patent modifies the sealing parameter by implementing a threaded connection system that engages with the chamber. This creates a reliable seal through thread engagement and contact pressure, preventing solvent leakage into the action. The threaded design adds minimal structural complexity while effectively eliminating the harmful leakage effect.
3Device complexity
If the cleaning rod is not properly aligned, then the bore guide structure can be simpler, but it can scratch the chamber or bore causing accuracy issues
Solution Approach 1:
The patent creates an aligned reference surface through the threaded engagement with the chamber. The bore guide's sealing surface and alignment features are positioned at the same axial level where they engage with the chamber, ensuring that the cleaning rod enters the barrel at the correct angle and position. This equipotential positioning prevents scratching while maintaining structural simplicity.
Data Source
AI summary
A bore guide for cleaning a firearm has an elongated body defining a bore configured to receive a cleaning rod and brush, the elongated body having a forward end configured to be received in a chamber of the barrel and having a forward aperture to transmit the brush to the barrel bore, the elongated body having a rear end opposite the forward end and defining a rear aperture, a stop adjustably connected to an intermediate portion of the elongated body and movable over a range of different positions along the length of the elongated body, and the stop being adjustable to generate a rearward force against a portion of the firearm, and a forward force by the forward end of the elongated body against the chamber. The elongated body may be externally threaded, and the stop may engage the threads. The stop may extend laterally from the elongated body.