Bi-directional Foldable Firearm Stock with Automatic Pin Switching
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Solution Overview
Problem
Folding stock assemblies in firearms often require users to manually switch mounting pins between folded configurations, reducing reliability and increasing operational complexity.
Innovation Solution
A bi-directional foldable firearm stock with a base and movable top portion, featuring resilient buttons and engaging units that allow for pivotal and detachable engagement, enabling easy rotation and locking in both folded configurations without the need for manual pin switching.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a folding stock assembly uses manual pin switching to change folded configurations, then the stock can be folded to different sides, but the user convenience deteriorates and operational complexity increases
Solution Approach 1:
The stock assembly performs the pin switching operation automatically through spring-loaded mechanisms that engage and disengage pins without requiring manual intervention. The resilient nature of the components enables the stock to self-adjust between folded configurations, eliminating the need for users to manually switch mounting pins.
Solution Approach 2:
The patent employs dynamic elements including resilient buttons and spring-loaded engaging units that allow the stock to transition smoothly between folded positions. The mounting mechanism incorporates movable components that automatically engage pins during rotation, transforming a static manual switching system into a dynamic automatic system.
2Adaptability or versatility
If a folding stock assembly uses manual pin switching to change folded configurations, then the stock can be folded to different sides, but the reliability of the firearm deteriorates
Solution Approach 1:
The automatic pin switching mechanism eliminates human intervention in the folding process, removing the possibility of user error such as forgetting to switch pins or improper engagement. The spring-loaded system ensures consistent and reliable pin engagement and disengagement, maintaining firearm reliability while enabling bi-directional folding.
Solution Approach 2:
The resilient buttons and spring mechanisms are pre-loaded to ensure proper engagement of mounting pins before folding operations. This beforehand preparation ensures that pins are securely held in position until the folding action is initiated, preventing accidental disengagement and maintaining system reliability throughout the folding process.
3Device complexity
If the same locking mechanism is used for both folded and unfolded configurations, then the design freedom is constrained, but the device complexity is reduced
Solution Approach 1:
The locking mechanism is designed as a multi-functional system where the same basic structure performs different functions: securing the stock in the unfolded firing position, securing it in folded positions on either side, and enabling smooth transitions between these states. The resilient buttons and engaging units serve multiple purposes across different configurations, maintaining design simplicity while maximizing adaptability.
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
Enhances user convenience and reliability by simplifying the folding and unfolding process, allowing for secure and efficient transitions between folded positions without compromising firearm stability.
Implementation Method 1
the base may include a first button and a second button that are resiliently connect to the opposite side of the base and configured to control the movement of a first engaging unit and a second engaging unit
Implementation Method 2
a movable top portion that is pivotally and detachably engaged with the base
Data Source
AI summary
In one aspect, a bi-directional foldable stock for a firearm may include a stock-to-firearm adaptor configured to be an interface to connect the firearm and the stock. The adaptor may include a base and a movable top portion that is pivotally and detachably engaged with the base. The top portion is attached to the firearm while the base is connected to the stock. The base with the stock is configured to pivotally rotate either in a clockwise or counter-clockwise manner to fold the stock on either sides of the firearm.