Firearm Magazine Release Blocking Element
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Solution Overview
Problem
Existing firearms lack a mechanism to securely prevent accidental release or insertion of magazines when the upper and lower receivers are attached, compromising safety and functionality.
Innovation Solution
A magazine release block with a blocking element that slides within a channel in the lower receiver, engaging to prevent magazine release when the upper receiver is attached and disengaging to allow release when the receivers are separated, ensuring the magazine remains locked until the firearm is in an operable state.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the magazine release button is always accessible, then magazine exchange is convenient, but accidental release or insertion may occur compromising safety
Solution Approach 1:
The blocking element is designed to dynamically change its position based on the state of the upper receiver. When the upper receiver is attached, the blocking element moves to block the magazine release button, preventing accidental operation. When the upper receiver is removed, the blocking element retracts, allowing normal magazine exchange operations.
Solution Approach 2:
The blocking element serves as an intermediary component between the magazine release button and the user's finger. It physically intervenes to prevent direct contact with the magazine release button when the upper receiver is attached, thereby preventing accidental release or insertion while allowing intentional operation when needed.
2Reliability
If the blocking element is always engaged, then safety is maintained, but magazine release function is prevented
Solution Approach 1:
The blocking element transitions from an engaged state (when upper receiver is attached) to a disengaged state (when upper receiver is removed). This dynamic state change ensures safety is maintained only when needed, while allowing full magazine release functionality when the firearm is in an operable state.
Solution Approach 2:
The blocking element is preliminarily engaged when the upper receiver is attached to prevent accidental magazine release. However, the design anticipates the need for magazine exchange by allowing the blocking element to be disengaged when the upper receiver is removed, ensuring the magazine release function remains available when the firearm is in an operable state.
3Reliability
If the blocking element is added to the lower receiver, then safety is improved, but device complexity increases
Solution Approach 1:
The blocking element is merged with the lower receiver structure, utilizing existing channels and mounting features. The blocking element slides within a channel that is part of the lower receiver, and is actuated by the upper receiver itself, combining multiple functions into a single integrated component rather than adding a completely separate mechanism.
Solution Approach 2:
The upper receiver performs a dual function: it serves as the firing mechanism and simultaneously actuates the blocking element through its interaction with the lower receiver. When the upper receiver is attached or removed, it automatically triggers the blocking element to engage or disengage, eliminating the need for a separate actuation mechanism.
Data Source
AI summary
A magazine release block including a blocking element and a lower receiver of a firearm, wherein the lower receiver comprises a blocking element channel extending between an upper surface of the lower receiver and a magazine release button receiving cavity, wherein the blocking element is positioned within the blocking element channel, and wherein the blocking element is movable between a disengaged position wherein the blocking element does not inhibit movement of a magazine release button and an engaged position wherein at least a portion of the blocking element inhibit movement of a magazine release button, and wherein when an upper receiver of the firearm is operably positioned atop the lower receiver a surface of the upper receiver urges the blocking element to the engaged position.