Booster Seat Armrests Nesting in Shell Cavity
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Solution Overview
Problem
Conventional child booster seats with additional features like armrests and cup holders increase their volume, making them less convenient for storage and shipment.
Innovation Solution
The design incorporates armrests and cup holders that can be stored within a compact storage cavity of the seat shell, allowing the booster seat to occupy a smaller volume and be packed in smaller boxes, enabling efficient storage and shipment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If armrests and cup holders are added to the booster seat, then the functionality and convenience for children are improved, but the volume of the booster seat increases making storage and shipment less convenient
Solution Approach 1:
The armrests are designed to nest within the booster seat structure when not in use. The armrests can be positioned inside the seat shell, utilizing the internal cavity space, thereby reducing the external volume of the booster seat for storage and shipment while maintaining full functionality when deployed
2Ease of operation
If additional features like armrests are included, then the ease of operation for children is improved, but the device complexity and storage requirements increase
Solution Approach 1:
The booster seat is divided into modular components including the seat shell, armrests, and cup holders that can be independently positioned and stored. The armrests can be detached or repositioned within the seat structure, allowing for simplified storage configuration while maintaining operational simplicity for children during use
Data Source
Figure 1A
Figure 1B
Figure 1C
AI summary
A child booster seat includes a seat shell, and armrests that can be conveniently placed in an outer envelop of the seat shell. The armrests can be placed in a storage cavity of the seat shell, and deployed outside the storage cavity for use. When the armrests are received in the seat shell, the outer envelop of the booster seat can substantially match with the outer contour shape of the seat shell. The booster seat can thereby occupy a smaller volume.