Self-Leveling Follower with Inclined Platform for Magazine Jamming
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Solution Overview
Problem
Existing ammunition magazine followers often jam due to low precision and multiple degrees of freedom, especially in firearms like the Steyr AUG, where self-leveling followers cannot achieve the optimal ascending angle of incidence for smooth round feeding.
Innovation Solution
A follower design with a platform, front end, and rear end that includes a spacer, allowing for a self-leveling mechanism with a slightly inclined angle of incidence, limiting spring compression vertically and featuring extended front and rear ends to reduce contortion within curved magazines, and angled surfaces for improved engagement with the magazine body.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a self-leveling follower is used, then jamming is reduced, but the optimal ascending angle of incidence for round feeding cannot be achieved
Solution Approach 1:
The follower is designed with a spring mechanism that allows it to dynamically adjust its angle of incidence. The spring enables the follower to tilt and maintain optimal contact angle with the rounds while still providing self-leveling functionality, resolving the contradiction between jamming reduction and feeding angle optimization.
Solution Approach 2:
The follower's angle of incidence is made variable through the spring mechanism rather than fixed. This parameter change allows the follower to adapt its geometry to achieve both self-leveling and optimal ascending angle for round feeding, simultaneously addressing both requirements.
2Adaptability or versatility
If the follower has multiple degrees of freedom, then adaptability is improved, but precision and alignment are reduced leading to jamming
Solution Approach 1:
The follower is segmented into distinct functional components: a platform for supporting rounds, a spring mechanism for controlled movement, and engagement surfaces for the magazine body. This segmentation allows each part to perform its specific function with appropriate precision while maintaining overall system adaptability.
Solution Approach 2:
The spring acts as an intermediary element between the follower platform and the magazine body. It mediates the interaction by providing controlled compliance that maintains precision alignment while allowing necessary movements for adaptability, preventing direct rigid contact that would cause jamming.
3Productivity
If rapid fire is used, then productivity is improved, but vibrations cause misalignment and jamming
Solution Approach 1:
The spring mechanism provides beforehand cushioning by absorbing vibrations and shocks before they can cause misalignment of the rounds. This pre-cushioning effect protects the round-follower interface from the harmful vibrations generated during rapid fire, maintaining alignment and preventing jamming.
Solution Approach 2:
The spring mechanism converts the harmful vibrations from rapid fire into beneficial controlled movements. Instead of allowing vibrations to cause misalignment, the spring utilizes these vibrations to maintain follower engagement and round alignment, transforming the harmful effect into a functional advantage.
4Adaptability or versatility
If the magazine is damaged or curved, then adaptability to different conditions is improved, but follower alignment and round stacking are disrupted
Solution Approach 1:
The follower's spring mechanism provides dynamic adaptation to damaged or curved magazine conditions. The spring allows the follower to adjust its position and angle to maintain proper alignment with the rounds even when the magazine structure is compromised, preserving positioning precision while tolerating various magazine conditions.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The follower reduces jamming by maintaining optimal round feeding and alignment, even in firearms with curved magazines, by providing a stable and inclined surface for the follower to interact with the magazine, enhancing feeding reliability and reducing misfeeds.
Implementation Method 1
The spring receiving space is shaped to limit an upper portion of the spring to vertical compression when the upper portion of the spring is compressed into the spring receiving space
Data Source
AI summary
A follower for a firearm magazine and a method are disclosed. The follower platform is shaped to support a cartridge and has a top surface, a bottom surface opposing the top surface. The top surface defines at least one plane. A normal of the bottom surface defines a vertical axis of the follower. The front end has an interior surface and an exterior surface for engaging a magazine body. The rear end has an interior surface and an exterior surface for engaging the magazine body. A spacer is positioned on the platform. The bottom surface, the front end, and the rear end define a spring receiving space. The spring receiving space is shaped to limit an upper portion of the spring to vertical compression when the upper portion of the spring is compressed into the spring receiving space.