Adjustable Gun Stock Assembly with Modular Attachment
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Solution Overview
Problem
Existing assault rifle butt stocks do not accommodate users of varying sizes efficiently, as they are not easily adjustable or disassemblable, and attaching/detaching modular components is time-consuming and requires tools.
Innovation Solution
A butt stock assembly with a center frame, attachment holes, a release lever, locking pin, and spring mechanism that allows for quick length adjustment and easy disassembly, enabling modular component attachment and detachment without tools, using an elongated receiver extension tube for secure attachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a standard size butt stock is used, then the structure is simple and easy to manufacture, but it cannot accommodate users of different sizes
Solution Approach 1:
The butt stock is divided into multiple telescoping sections that can extend or retract relative to each other, allowing the overall length to be adjusted for different user sizes while maintaining a compact form when collapsed
Solution Approach 2:
The butt stock incorporates a dynamic adjustment mechanism with movable sections that can change length on demand, transitioning from a fixed structure to an adaptable one based on user needs
2Ease of repair
If the butt stock is made as a single integrated structure, then it is strong and stable, but it cannot be disassembled for cleaning or component replacement
Solution Approach 1:
The butt stock is segmented into separate sections connected by joiners, allowing individual components to be removed for cleaning while maintaining structural integrity when assembled
Solution Approach 2:
Telescoping sections are nested within each other with interference fits and locking mechanisms that provide strong connections when assembled, yet allow easy separation when needed for maintenance
3Ease of operation
If modular components are attached using traditional methods, then the attachment is secure, but it requires tools and excessive time
Solution Approach 1:
The joiners incorporate a dynamic locking mechanism that transitions from an unlocked state for quick insertion to a locked state for secure attachment, enabling tool-free operation
Solution Approach 2:
The interference fit design with tapered surfaces allows components to self-align and self-lock through simple pushing motion, eliminating the need for external tools or complex assembly procedures
4Productivity
If the butt stock uses a fixed length design, then it is simple to manufacture, but it cannot be quickly adjusted for different users
Solution Approach 1:
The telescoping sections with standardized joiners allow quick length changes by simply connecting or disconnecting sections, providing fast adjustment without complex mechanisms
Solution Approach 2:
The adjustable sections can dynamically change the overall length of the butt stock based on user requirements, transitioning between different configured states quickly
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
Enables quick and efficient length adjustment of the butt stock for different users and easy disassembly for cleaning, while allowing for the rapid attachment and detachment of modular components, enhancing usability and maintenance.
Implementation Method 1
When a user pushes on the first end of the release lever the second end of the release lever pulls the locking pin toward the center frame, compressing the spring.
Implementation Method 2
The release lever is attached to the center frame by the rotation pin. The release lever pivots about the rotation pin.
Data Source
AI summary
The invention is directed toward a butt stock assembly for a firearm. The butt stock assembly comprises a front cap, a base, a center frame, a tube housing, a release lever, a locking pin, a rotation pin, and a spring. The center frame has a plurality of attachment holes. The attachment holes provide a means for attaching modular firearm components to the butt stock assembly. The release lever is attached to the center frame by the rotation pin. The release lever pivots about the rotation pin. The release lever engages the locking pin. The locking pin engages the spring. The center frame has a top edge, a front edge, a back edge, and a bottom edge. The front cap is removably secured to the front edge of the center frame. The base is removably secured to the back edge of the center frame.