Magazine Insertion Guide with Ramped Surfaces for Universal Grip Fit

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Solution Overview

Problem

Conventional magazine insertion guides are bulky, limited to specific firearms and firearm/backstrap combinations, making them inefficient for general use and requiring multiple guides for different grip sizes, which is wasteful and impractical.

Innovation Solution

A magazine insertion guide with a securing portion that attaches to a pistol grip and a guide portion with ramped internal surfaces for magazine insertion, allowing for the use of different sized backstraps without removing the guide, enabling a single guide to fit various grip sizes and supporting different hand sizes through interchangeable backstraps.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Manufacturing precision

If conventional magazine insertion guides are designed for specific firearms and backstrap combinations, then they provide precise fit and function for those specific configurations, but they require multiple guides for different grip sizes and are limited to specific firearm models

Engineering Contradiction:
Improveprecise fit for specific firearmVSAvoidcompatibility with different firearms and backstrap sizes
Core Design Contradiction:
Manufacturing precisionVSAdaptability or versatility

Solution Approach 1:

The magazine insertion guide is designed with a universal interface that accommodates multiple firearm models and backstrap sizes through a single device. The guide portion and securing portion are configured to work with different pistol grip configurations without requiring multiple specialized guides, thereby achieving multi-functionality and broad compatibility.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Volume of moving object

If conventional magazine insertion guides are designed to be compact for concealed carry, then they reduce bulk and improve portability, but they may compromise the guide functionality or magazine insertion speed

Engineering Contradiction:
Improvesize of insertion guideVSAvoidmagazine insertion speed
Core Design Contradiction:
Volume of moving objectVSProductivity

Solution Approach 1:

The magazine insertion guide incorporates dynamic ramped internal surfaces that actively guide the magazine during insertion. These ramped surfaces are positioned and angled to facilitate smooth, rapid magazine insertion while maintaining a compact overall guide structure. The dynamic geometry of the ramped surfaces optimizes the insertion trajectory without increasing the guide's external dimensions.

Inventive Principle:
Principle #15Dynamics

Data Source

PatentUS10203177B2Magazine insertion guide
Publication Date: 2019.02.12 PEW PEW ADVENTURES INC
  • US10203177B2 patent drawing
  • US10203177B2 patent drawing
  • US10203177B2 patent drawing

AI summary

A magazine insertion guide is described. In one example, the magazine insertion guide includes a securing portion configured to be secured to a pistol grip of a firearm and a guide portion. The guide portion includes ramped internal surfaces configured to guide insertion of a magazine into an interior of the pistol grip of the firearm and a plurality of sides that are configured to at least partially surround the pistol grip of the firearm and has an opening configured to permit installation and removal of a plurality of different sized backstraps when the securing portion is secured to the pistol grip of the firearm and without removal of the securing portion.