Runway Sign Interior Upright Monolithic Sheet Design
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Solution Overview
Problem
Conventional runway guidance signs require multiple components for the interior upright, which complicates manufacturing and assembly, and may not provide adequate load-bearing support efficiently.
Innovation Solution
An interior upright is integrally formed from a one-piece sheet of material with upper and lower fastening tabs, allowing it to be securely fastened between the upper and lower walls of the housing, providing load-bearing support and simplifying the manufacturing process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If multiple components are used for the interior upright, then the structural support can be distributed, but the manufacturing complexity and assembly complexity increase
Solution Approach 1:
The patent combines multiple separate components (vertical support, horizontal supports, and fasteners) into a single integrally formed upright structure. This unifies several parts that were previously manufactured and assembled separately, reducing component complexity while maintaining the distributed load-bearing support function through the integrated design of the single piece.
2Ease of manufacture
If multiple components are used for the interior upright, then assembly flexibility is possible, but the assembly process becomes more complex and time-consuming
Solution Approach 1:
By integrating multiple components into one piece, the patent eliminates the need for separate assembly steps involving fasteners and alignment of multiple parts. The single upright structure is installed as one unit, significantly reducing assembly time and complexity while improving manufacturing efficiency through a simplified production process.
3Ease of repair
If multiple components are used for the interior upright, then replacement of damaged parts is easier, but the overall structure requires more fasteners and connections
Solution Approach 1:
The patent creates a monolithic upright structure that eliminates multiple connection points and fasteners, thereby improving structural integrity and reliability. While replacement of the entire upright may be necessary rather than individual components, the simplified single-piece design reduces potential failure points at connections, enhancing overall structural reliability.
Data Source
AI summary
A runway guidance sign includes a housing defining an interior space and an opening at a front side. The housing includes opposite upper and lower walls. An interior upright is received in the interior space of the housing. The interior upright is fastened to and extends between the upper and lower walls. The interior upright is integrally formed from a one-piece sheet of material.