Meal Tray Display Insert With Tamper-Resistant Fastening
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Solution Overview
Problem
Commercial passenger aircraft seatback-mounted meal trays with graphical displays are vulnerable to theft or vandalism, and existing solutions are too complex to be efficiently changed between flights.
Innovation Solution
A meal tray assembly with a recessed aft surface that accommodates a transparent cover for holding graphical displays, featuring locking mechanisms, touch fasteners, or a suction cup for secure attachment and easy removal, allowing for quick and secure display changes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a mounting structure is used to protect displays from theft or vandalism, then security is improved, but the complexity of changing displays increases
Solution Approach 1:
The mounting structure is divided into separate components: a recess in the tray, a transparent cover, and detachable fastening elements. This segmentation allows the display to be securely mounted when needed while enabling quick removal and replacement of individual components, resolving the contradiction between security and ease of changing displays.
Solution Approach 2:
The mounting structure transitions from a static fixed mounting to a dynamic detachable system. The fastening elements can be engaged to provide security during flights and disengaged to allow quick display changes between flights, making the system adaptable to different operational requirements.
2Reliability
If a complex mounting structure is used to secure displays, then protection against theft and vandalism is improved, but the time available for changing displays between flights is insufficient
Solution Approach 1:
By segmenting the mounting system into a recess, cover, and separate fastening elements, the patent enables rapid assembly and disassembly. The fastening elements can be quickly engaged or disengaged without requiring complex tools or procedures, allowing display changes to be completed within the limited time available between flights.
Solution Approach 2:
The fastening elements are designed as simple, replaceable components that can be quickly attached and detached. This approach prioritizes ease of replacement over permanent durability, allowing maintenance personnel to rapidly swap out displays using simple fastening mechanisms rather than complex permanent mounts.
3Reliability
If a transparent cover is used to protect the display, then protection against vandalism is improved, but the complexity of the mounting structure increases
Solution Approach 1:
The transparent cover serves multiple functions: it protects the display from vandalism, allows passengers to view the display content, and can be integrated with simple fastening elements for mounting. This multi-functionality reduces the need for separate protective components, thereby reducing overall complexity while maintaining protection.
Solution Approach 2:
The transparent cover is designed as a thin, flexible protective layer that can be easily integrated into the mounting structure. This thin-film approach provides adequate protection against vandalism without adding significant structural complexity or weight to the mounting system.
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
The solution provides a secure yet easily changeable display mounting system that protects against theft and vandalism while maintaining simplicity for rapid updates, ensuring robust attachment and easy access.
Implementation Method 1
a suction cup is provided for pulling the cover away from engagement with the recess
Data Source
AI summary
A meal tray for a passenger seat includes a removable insert. The insert carries a sheet of graphics or advertisements in a protected, viewable position when the meal tray is stowed. Tamper-resistant latches secure the insert to the meal tray.