Offset Magazine Release Button for Firearm Ergonomics
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Solution Overview
Problem
Firearm magazine releases often cause ergonomic issues such as chafing and difficulty in actuation due to their design, with some buttons protruding into the gripping area or being out of reach, leading to slower reloading times.
Innovation Solution
A stairstep-shaped magazine release button with an offset thumb-engageable surface and a flush gripping surface, allowing the middle finger to rest without obstruction and reducing the distance the thumb needs to travel to release the magazine, featuring a textured pad for better grip.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the magazine release button protrudes into the gripping area to be more accessible, then ease of operation is improved, but it causes chafing and sores on the operator's fingers
Solution Approach 1:
The magazine release button is segmented into distinct functional zones: a recessed actuation surface for the thumb and a contoured body that accommodates the gripping fingers. This segmentation allows the button to provide accessible actuation while creating negative space that prevents finger chafing during normal grip.
Solution Approach 2:
Different portions of the magazine release button have different geometric properties tailored to specific functions: the actuation surface has a specific profile for thumb engagement, while the body contours are designed to accommodate finger placement. This local differentiation resolves the conflict between accessibility and comfort.
2Object-affected harmful factors
If the magazine release button is positioned farther from the grip to avoid chafing, then finger comfort is improved, but the operator must shift the firearm in hand to reach it, slowing down reloading
Solution Approach 1:
The magazine release button utilizes the third dimension (depth/protrusion) to resolve the spatial conflict. By protruding strategically from the grip surface, the button becomes accessible to the thumb without extending into the finger gripping area, thus achieving both comfort and speed.
Solution Approach 2:
The button features an asymmetric design with the actuation surface positioned offset from the central axis of the grip. This asymmetric placement optimizes accessibility for the dominant hand's thumb while maintaining clear space for the gripping fingers, eliminating the need to shift the firearm during reloading.
3Ease of operation
If the magazine release button is made taller or wider to ease actuation, then ease of operation is improved, but it encroaches on the space where fingers naturally rest
Solution Approach 1:
The magazine release button is nested within the contours of the grip structure, with its body conforming to the available space. This nesting allows the button to maintain adequate actuation dimensions while fitting within the grip's geometric constraints, preserving finger resting area.
Data Source
AI summary
An offset magazine release button includes a body portion and a generally stairstep-shaped end portion. The body portion may be inserted into a magazine release opening of a firearm. The stairstep-shaped end portion may include an indention portion providing or creating a floor or floor portion and a narrow stairstep riser. The floor, when part of the assembled firearm, is generally flush with the firearm's gripping surface to create an augmented gripping surface that may allow the operator to have a higher grip to help control recoil. The end portion also includes an offset contacting pad. The floor transitions to the riser, which then transitions to the pad. The pad has a generally perpendicular ledge or surface extending toward an actuating thumb position of the operator's grip. The pad surface may be textured to provide for better contact with the operator's thumb when depressing the button to release a magazine.