Split Cabin Attendant Seat With Rotating Headrest Platform
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Solution Overview
Problem
Aircraft cabin attendant seats have limited storage space and lack versatility in their functionality, particularly when not in use, which restricts their utility in the limited space of an aircraft cabin.
Innovation Solution
A cabin attendant seat design featuring a split assembly with a detachable headrest and seat pan, and a drop-down tray assembly that can rotate to form a platform, along with a slide-out table and a storage compartment, allowing for increased storage and functionality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the cabin attendant seat uses a traditional integrated design, then the structure is simple, but the storage capacity and functionality are limited
Solution Approach 1:
The cabin attendant seat is divided into multiple independent components: an upper portion containing the headrest and drop-down tray assembly, and a lower portion containing the seat pan and storage compartment. These portions can be detached from each other, allowing each component to serve multiple functions independently while simplifying the overall structure when not in use.
Solution Approach 2:
The headrest is designed to perform multiple functions: it provides head support when seated, rotates to form a platform surface, and can be positioned at different angles to create various configurations for serving or working. The drop-down tray assembly similarly serves as both a storage container and a functional platform when deployed.
2Adaptability or versatility
If the cabin attendant seat provides multiple functions, then the versatility increases, but the space utilization becomes more complex
Solution Approach 1:
The drop-down tray assembly is nested within the headrest structure, allowing it to be stored inside the headrest when not in use. This nesting arrangement maximizes space utilization by keeping multiple functional elements compact while maintaining easy access to their functions when needed.
Solution Approach 2:
The seat components utilize vertical space through rotational and drop-down movements. The headrest rotates vertically to form a platform, and the tray assembly drops down from the upper portion to create additional functional surfaces, effectively using the third dimension to expand functionality without increasing the footprint area.
3Adaptability or versatility
If the headrest and seat pan are connected, then the structural integrity is maintained, but the flexibility and storage accessibility are reduced
Solution Approach 1:
The connection between the upper and lower portions is designed to be dynamic rather than static. The portions can be detached and reattached as needed, allowing the structure to transition between a connected state for structural integrity and a detached state for flexibility and accessibility. This dynamic connection enables the seat to adapt to different operational requirements.
Data Source
AI summary
A cabin attendant seat includes a housing having an upper portion and a lower portion, a headrest rotatably coupled to the upper portion, a seat pan coupled to the lower portion, and a drop-down tray assembly rotatably coupled to the upper portion. The seat pan is detached from the headrest. The drop-down tray assembly and the headrest are configured to rotate along a first axis such that the drop-down tray assembly defines a platform.