Firearm Magazine Loader Non-Slip Surface Friction

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Solution Overview

Problem

Conventional firearm magazine loaders face inefficiencies in loading bullets, particularly for sniper rifles, where individual loading is required, and often suffer from poor adaptability to different magazine specifications and uncomfortable handling.

Innovation Solution

A firearm magazine loader with a guiding mechanism featuring a non-slip surface, a guiding arm with an arc-shaped guiding groove, and a reset mechanism, along with gripping and holding mechanisms, to securely load and retain bullets within the magazine, minimizing the risk of accidental ejection and improving user comfort.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If a guiding mechanism is used to load bullets quickly, then loading efficiency is improved, but the loaded bullets may be accidentally taken out during use

Engineering Contradiction:
Improveloading efficiencyVSAvoidbullet retention
Core Design Contradiction:
ProductivityVSReliability

Solution Approach 1:

The inner surface of the top opening of the inner sleeve is designed with a non-slip surface that has different friction characteristics compared to other surfaces. This localized high-friction zone specifically at the bullet contact point prevents bullets from being accidentally taken out during use, while the rest of the mechanism maintains smooth operation for efficient loading.

Inventive Principle:
Principle #3Local quality

2Productivity

If conventional magazine loaders are designed for batch loading, then loading speed is improved, but they are not suitable for sniper rifle bullets that require individual loading

Engineering Contradiction:
Improveloading speedVSAvoidadaptability to different loading modes
Core Design Contradiction:
ProductivityVSAdaptability or versatility

Solution Approach 1:

The device features a movable outer sleeve that can be pushed to enable batch loading when multiple bullets need to be loaded at once, while the individual bullet loading function remains available through normal operation. This dynamic structure allows the same device to adapt between individual loading mode (for precision sniper rifles) and batch loading mode (for rapid reloading scenarios), providing versatility without sacrificing loading speed.

Inventive Principle:
Principle #15Dynamics

3Reliability

If the inner sleeve is made to fit tightly to prevent bullet ejection, then bullet retention is improved, but user comfort and handling are reduced

Engineering Contradiction:
Improvebullet retentionVSAvoiduser comfort
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The tight-fitting non-slip surface is applied only to the specific area where bullets contact the inner sleeve during loading and retention. The rest of the inner sleeve maintains a smoother surface and appropriate clearance, ensuring that the device remains comfortable to hold and operate. This localized approach to friction provides bullet retention exactly where needed without compromising overall user comfort and handling.

Inventive Principle:
Principle #3Local quality

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 enhances loading efficiency by increasing friction resistance and adaptability to various magazine sizes, ensuring bullets are securely loaded and reducing user fatigue, while improving handling and comfort during operation.

Implementation Method 1

An inner surface of an inner side wall of a top opening of the inner sleeve is a non-slip surface. The non-slip surface prevents the guiding mechanism from bringing out bullet loaded in the interior of the inner sleeve when the inner sleeve is pushing out.

Methodology Applied
Scientific EffectFriction: Friction

Data Source

PatentUS11204213B1Firearm magazine loader
Publication Date: 2021.12.21 CHEN LU
  • US11204213B1 patent drawing
  • US11204213B1 patent drawing
  • US11204213B1 patent drawing

AI summary

The present disclosure provides a firearm magazine loader. The firearm magazine loader includes an outer sleeve and an inner sleeve. The outer sleeve is movably connected with the inner sleeve. An inner surface of an inner side wall of the top opening of the inner sleeve is a non-slip surface. The non-slip surface prevents the guiding mechanism from bringing out bullet loaded in the interior of the inner sleeve when the inner sleeve is pushing out.