Firearm Trigger Frame Assembly Modular Panel Design
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Solution Overview
Problem
Conventional trigger frame assemblies in firearms are complex to manufacture and service due to their reliance on stamped sheet steel, requiring multiple attachment pieces and welding, which complicates replacement and repair of internal component parts.
Innovation Solution
A trigger frame assembly comprising a plurality of planar panels connected via an interlocking snapping mechanism and mechanical fasteners, allowing for easy assembly, disassembly, and replacement of component parts without disassembling the entire firearm.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If conventional stamped sheet steel trigger frame is used, then structural strength is achieved, but manufacturing complexity increases due to multiple attachment pieces and welding
Solution Approach 1:
The trigger frame is divided into multiple modular panels (front panel, rear panel, side panels) that can be independently manufactured and then assembled together using mechanical fasteners, reducing welding and attachment complexity while maintaining structural integrity
Solution Approach 2:
Multiple attachment functions are merged into integrated mechanical fastener systems that simultaneously secure panels to each other and to the firearm grip, reducing the number of separate attachment pieces and welding operations required
2Reliability
If conventional welded trigger frame is used, then structural integrity is achieved, but ease of repair deteriorates due to difficulty in disassembly
Solution Approach 1:
The trigger frame transitions from a permanently welded structure to a dynamically assembleable structure using mechanical fasteners that can be easily removed and reinstalled, enabling straightforward disassembly for repair while maintaining structural integrity when assembled
Solution Approach 2:
The frame is segmented into removable panels that can be independently accessed and replaced without disassembling the entire firearm, significantly improving ease of repair and maintenance
3Stability of the object's composition
If multiple attachment pieces and welding are used, then structural stability is achieved, but manufacturing time increases
Solution Approach 1:
Panels are pre-manufactured with integrated fastening features and attachment points, allowing for rapid assembly without requiring time-consuming welding or complex attachment operations during final assembly
Solution Approach 2:
Welding operations are replaced with mechanical fastening systems that can be assembled and disassembled quickly without specialized equipment, significantly reducing manufacturing time while maintaining structural stability
Data Source
AI summary
A trigger frame assembly that is received within a grip of a firearm for use in providing a housing for a plurality of internal action component parts of a firearm, such as, a trigger. A trigger frame assembly comprising a plurality of panel members that are braced and connected together via a plurality of mechanical fasteners, or an interlocking snapping mechanism, that allow the panel members to fit firmly together, wherein the mechanical fasteners also allow the panel members to be disassembled, as necessary, thereby allowing for easier replacement and configuration of the panel members and the internal action component parts of the firearm.