Stab-Proof Back Panel with Nested Metal Insert
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Solution Overview
Problem
Law enforcement vehicles require enhanced back panels to prevent harm from incarcerated individuals, but existing solutions are either bulky or compromise on style and functionality.
Innovation Solution
A seating assembly with a back panel featuring an injection molded polymeric panel around a stab proof metal insert, retained by a ribbon style mechanical lock, providing enhanced protection without adding bulk or compromising aesthetics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the seatback is strengthened or thickened to prevent stabbing, then protection capability is improved, but the bulk and weight increase
Solution Approach 1:
The metal stab-proof insert is nested within a polymeric panel, which itself is integrated into the back panel structure. This nested arrangement allows the protective elements to be contained within the existing back panel volume, providing enhanced protection without increasing overall bulk or weight.
Solution Approach 2:
The back panel combines a metal insert (for stab-proof protection) with a polymeric panel (for structural support and integration). This composite construction provides the necessary protection capability while maintaining a compact form factor, as each material contributes its specific properties without requiring excessive thickness.
2Reliability
If a metal insert is added to the back panel, then stab proofing is improved, but device complexity increases
Solution Approach 1:
The metal insert and polymeric panel are combined into a single integrated back panel assembly. The polymeric panel is formed around the metal insert in one manufacturing process, eliminating the need for separate assembly steps and reducing overall device complexity despite adding protective functionality.
Solution Approach 2:
The polymeric panel is pre-formed around the metal insert during manufacturing, creating a ready-to-install back panel assembly. This preliminary integration means that during vehicle assembly, the entire back panel with its protective insert can be installed as a single unit, reducing assembly complexity at the installation stage.
Data Source
AI summary
A seating assembly includes a seat and a seatback. The seatback is operably coupled with the seat. A back panel is disposed on a backside of the seat and includes a metal insert. An injection molded polymeric panel is formed around the metal insert. The metal insert is retained by the polymeric panel by a ribbon style mechanical lock. Peripheral attachment features are disposed about an outer perimeter of the back panel for securing the back panel with a frame of the seatback.