Firearm Stock Conversion Device for Fixed Position
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Solution Overview
Problem
Existing methods for converting collapsible firearm stocks into fixed stocks often result in permanent damage or alteration to the stock, as they involve drilling and pinning, which is destructive and not compliant with changing regulations.
Innovation Solution
A conversion device comprising a locking pin and inserts that fit into the receiver extension's position holes, covering all but one hole to prevent adjustment, allowing the stock to be converted into a fixed position without drilling or pinning, using polymer or other materials and featuring cutting grooves for customization.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If drilling and pinning methods are used to convert collapsible stocks to fixed stocks, then the conversion is permanent and compliant with regulations, but the stock suffers permanent damage and alteration
Solution Approach 1:
The patent introduces a stock conversion device as an intermediary component that fits between the collapsible stock and the receiver extension. This device includes blocking members that insert into position holes to prevent stock collapse, achieving regulatory compliance without modifying the stock itself. The intermediary device bears the functional load of fixing the stock while preserving the original stock integrity.
Solution Approach 2:
The stock conversion device is divided into separate functional components: a body portion that interfaces with the receiver extension and blocking members that insert into position holes. This segmentation allows the device to be installed without damaging the stock, as each component performs a specific function in the conversion process.
2Adaptability or versatility
If collapsible stocks are used to maintain adjustability and versatility, then the stock can be adjusted to various positions, but the stock becomes subject to heightened regulations and bans
Solution Approach 1:
The stock conversion device incorporates a removable and reinstallable design that allows the stock to dynamically transition between collapsible and fixed states. Users can remove the blocking members to restore collapsibility when regulations permit, and reinstall them when compliance is required, providing adaptive legal compliance.
Solution Approach 2:
The device changes the functional parameter of the stock from adjustable to fixed by introducing blocking members into position holes. This parameter change is reversible, allowing the stock to switch between operational modes depending on regulatory requirements.
3Ease of operation
If drilling holes and using additional pins are used to fix the stock, then the stock becomes fixed and compliant, but the process is destructive and causes permanent alteration
Solution Approach 1:
The stock conversion device serves as a non-destructive intermediary solution that achieves fixed stock functionality without requiring drilling or permanent modification. The device uses existing position holes in the receiver extension and employs blocking members to prevent stock movement, eliminating the need for destructive manufacturing processes.
Solution Approach 2:
The stock conversion device is designed as a separate, replaceable component rather than a permanent modification to the stock. This approach treats the conversion device as a temporary, removable solution that can be installed and removed as needed, avoiding permanent damage to the valuable stock.
Data Source
AI summary
Devices and method for converting collapsible firearm stocks are provided. In one embodiment, a conversion device for converting a stock is provided, the stock comprising a locking pin, configured to slide along a receiver extension having a plurality of position holes and lock into position, the conversion device comprising: a first insert having a first plug configured to insert into a first position hole of the plurality of position holes; a second insert having a second plug configured to insert into a second position hole of the plurality of position holes; wherein inserting the first and second plugs into the first and second position holes, respectively, covers all of the plurality of position holes except for a single position hole for receiving the locking pin of the stock; and wherein the single position hole converts the stock from being collapsible to fixed on the firearm.