Rifle Barrel Muzzle Device With Access Ports
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Solution Overview
Problem
Rifles with permanently attached muzzle devices face difficulties in cleaning the barrel crown due to inaccessible areas and the risk of damage from traditional cleaning methods, leading to accuracy and performance issues from carbon and deposit buildup.
Innovation Solution
The design incorporates lateral ports in the muzzle device with a sleeve and detent clip system that allows access for cleaning while maintaining normal operation, using sealing surfaces to trap propellant gases and prevent damage during maintenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a muzzle device is permanently attached to the barrel, then the rifle maintains structural integrity and normal operation, but the barrel crown becomes inaccessible for cleaning
Solution Approach 1:
The muzzle device is segmented to include removable lateral ports that can be opened independently. These ports divide the otherwise solid structure, allowing access to the crown area without removing the entire muzzle device, thus maintaining structural integrity while enabling cleaning access.
Solution Approach 2:
A cleaning rod or brush is introduced as an intermediary tool that passes through the lateral ports to reach the crown area. This intermediary allows cleaning action without direct access to the crown, resolving the contradiction between permanent attachment and cleaning accessibility.
2Ease of operation
If traditional cleaning methods are used on the crown, then deposits can be removed, but the crown is at risk of damage
Solution Approach 1:
A specialized cleaning rod with a brush or scraping element acts as an intermediary tool that can be inserted through the lateral ports. This intermediary allows gentle cleaning of the crown without applying excessive force that could damage the crown, thus enabling cleaning while protecting crown integrity.
Solution Approach 2:
The cleaning tool is designed with localized cleaning elements (brushes or scrapers) that apply cleaning action only to specific areas of the crown through the lateral ports. This localized approach allows effective deposit removal while minimizing the risk of damage to the overall crown structure.
3Ease of operation
If the muzzle device is removed for cleaning, then the crown is accessible, but normal operation and performance are compromised
Solution Approach 1:
The muzzle device incorporates segmented lateral ports that can be independently opened or closed. This segmentation allows the device to remain permanently attached and maintain operational performance while providing localized access pathways for cleaning the crown without requiring removal of the entire muzzle device.
4Reliability
If carbon deposits build up on the crown, then the rifle maintains permanent muzzle device attachment, but accuracy and performance deteriorate
Solution Approach 1:
The lateral ports are designed to allow preliminary cleaning action before deposits become severe enough to affect accuracy. Users can periodically access the crown through the ports to remove carbon buildup proactively, preventing accuracy degradation while maintaining the stable permanent attachment of the muzzle device.
Data Source
AI summary
A barrel assembly for a rifle comprising an elongated barrel having an exterior surface, an interior cylindrical bore defining a caliber, a muzzle with a crown, and a rear end with an enlarged cavity capable of receiving a round of ammunition; an elongated muzzle device permanently attached to the exterior surface of the barrel and surrounding and extending past the crown, the muzzle device including a longitudinal opening coaxial to the bore and one or more access ports positioned adjacent to the crown, such that the crown is located radially inward relative to the one or more access ports; a sleeve slidably mounted to an exterior surface of the muzzle device and capable of sliding between an open position and a closed position; wherein, when the sleeve is in the open position, the crown is accessible through the one or more access ports; and wherein, when the sleeve is in the closed position, it seals and completely covers the one or more access ports.