Firearm Coupling Member With Threaded Locking
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Solution Overview
Problem
Existing firearm accessory mounting systems require multiple steps and can loosen during operation due to vibration, making quick and secure attachment and detachment difficult, especially with one-hand operation.
Innovation Solution
A coupling member with a female and male component, featuring alternating threaded and unthreaded portions around the circumference, allowing for secure locking and easy detachment by rotating the male member, with optional spring elements for additional friction and abutment shoulders for precise alignment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a threaded lock member is used to maintain lugs within adapter lug retaining recesses, then the accessory is securely retained on the barrel, but the mounting process requires multiple steps and cannot be easily accomplished with one hand
Solution Approach 1:
The patent combines the threaded engagement mechanism and the locking function into a single integrated coupling member. The coupling member threads directly onto the barrel and simultaneously secures the accessory, eliminating the need for separate lock members and multiple操作步骤. This merging of functions allows one-handed operation while maintaining secure retention.
Solution Approach 2:
The patent removes the threaded lock member from the system entirely, extracting the locking function and integrating it into the coupling member itself. By taking out the separate lock member, the design simplifies the mounting process to a single threading action that can be performed with one hand, while the coupling member's structure ensures reliable retention.
2Reliability
If a threaded lock member is used to secure the adapter, then the accessory is retained securely, but the possibility of loosening due to vibration during firearm operation exists
Solution Approach 1:
The patent merges the threading function and locking function into a single integrated coupling member that threads directly onto the barrel. This integration eliminates the separate lock member that could loosen under vibration, while the coupled threading-securing mechanism provides stable, vibration-resistant retention through its unified structural design.
3Adaptability or versatility
If traditional adapter mounting systems are used, then accessories can be mounted on the barrel, but quick detachment and reattachment are difficult
Solution Approach 1:
The patent segments the accessory mounting system into a separable coupling member that can be independently attached and detached. The coupling member with its throughbore allows the accessory to be mounted on the barrel in a modular fashion, enabling quick attachment and detachment without complex operations. This segmentation facilitates rapid reconfiguration while maintaining secure connection during use.
4Adaptability or versatility
If lugs and lug retaining recesses are used for timing the accessory to the barrel, then rotational orientation is controlled, but the system requires precise alignment during assembly
Solution Approach 1:
The patent employs asymmetric features in the coupling member, including a non-circular cross-section or keyed interface, to provide inherent rotational orientation control. This asymmetric design ensures that the accessory can only be mounted in the correct rotational position, eliminating the need for precise manual alignment during assembly while maintaining proper timing between the accessory and barrel.
Data Source
Figure 1
Figure 2a~2
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AI summary
The present invention relates to a coupling member for quick and easy attachment and detachment of a firearm accessory to a muzzle of the firearm, the coupling member comprising a female member (1a) and a male member (1b), wherein the female member is provided with a throughgoing bore (2), the female member further being provided with a number of successive threaded portions (3) and unthreaded portions (4) around a circumference of the throughgoing bore and wherein the male member around an outer circumference is provided with the same number of successive threaded portions and unthreaded portions as the female member.