Collapsible Magazine Pouch Insert for Stable Retention and Drainage
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Solution Overview
Problem
Existing ammunition magazine retention systems lack efficient and secure methods for attaching and retaining magazines on modular load-carrying equipment, particularly in tactical vests and cummerbunds, which can lead to instability and discomfort during use.
Innovation Solution
A magazine retention device comprising an attachment pouch with a collapsible insert formed from thermoplastic material, featuring a biasing member and drainage port, designed to securely attach to modular load-carrying equipment via PALS webbing, ensuring stable magazine retention and ease of use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If a rigid insert is used to retain the magazine, then magazine retention stability is improved, but device complexity and wearer discomfort increase
Solution Approach 1:
The insert is designed to be collapsible rather than rigid, allowing it to dynamically adjust its shape. When a magazine is inserted, the insert expands to provide retention walls; when empty, it collapses to a compact form. This dynamic behavior provides stable magazine retention while avoiding the complexity and discomfort of a permanently rigid structure.
Solution Approach 2:
The insert material properties are changed to allow collapsibility. Using elastic or flexible materials instead of rigid materials enables the insert to change its structural parameters (shape, volume) based on whether a magazine is present, resolving the contradiction between providing stable retention and avoiding excessive complexity.
2Strength
If a non-collapsible insert is used, then magazine support is improved, but wearer comfort and strain reduction are worsened
Solution Approach 1:
The collapsible insert dynamically adjusts its weight distribution. When collapsed (empty), it minimizes weight and strain on the wearer. When expanded (with magazine), it provides the necessary support structure. This dynamic adjustment resolves the contradiction between providing strong magazine support and minimizing wearer strain.
3Stability of the object's composition
If a solid-walled insert is used, then magazine retention is improved, but debris accumulation and drainage are worsened
Solution Approach 1:
The insert is designed with different local qualities: the upper portion has walls for magazine retention, while the lower portion includes openings or mesh for drainage. This local differentiation allows the insert to simultaneously provide magazine retention stability and prevent debris accumulation by allowing water and debris to pass through the lower section.
Solution Approach 2:
The lower region of the insert incorporates porous or open-mesh materials that allow water and debris to pass through while still providing structural support. This use of porous materials resolves the contradiction between maintaining magazine retention and preventing debris accumulation.
4Manufacturing precision
If a permanent rigid structure is used, then manufacturing precision is improved, but adaptability and collapsibility are worsened
Solution Approach 1:
The insert is segmented into multiple sections or panels that can fold or collapse relative to each other. This segmentation allows the structure to maintain precise manufacturing tolerances for each component while enabling overall collapsibility and adaptability when assembled.
Solution Approach 2:
The material parameters are selected to allow the structure to change from a rigid expanded state to a collapsed state while maintaining manufacturing precision. Using materials with specific elastic properties enables the insert to be manufactured with precision and still achieve the desired collapsible behavior.
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 solution provides a secure, comfortable, and adaptable magazine retention system that maintains stability during various activities, with the collapsible design reducing strain on the wearer and the drainage port preventing debris accumulation.
Implementation Method 1
The lower region includes one or more walls that bias toward a center of the cavity. Here, the one or more walls bias in contact with a received magazine.
Implementation Method 2
The rectangular opening of the insert is collapsible when the insert is empty.
Data Source
AI summary
A magazine retention device includes an attachment pouch and an insert. The attachment pouch includes a front panel, a rear panel opposing the front panel, and an attachment portion. The front panel is secured to the rear panel forming a cavity between the front panel and the rear panel. The attachment portion is configured to attach to a carrier. The insert is disposed within the cavity and secured to the attachment pouch. The insert has an first region and a second region. The first region includes a rectangular opening configured to receive a magazine. The second region includes one or more walls that bias toward a center of the cavity. Here, the one or more walls bias in contact with a received magazine.