Convertible bed and seat assembly for a sliding carriage
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Solution Overview
Problem
Existing reclining and sitting arrangements for strollers are limited in length, making them unsuitable for transporting children beyond a certain height, and require additional safety features that increase costs.
Innovation Solution
A reclining and sitting arrangement with a detachable third support section that extends beyond the frame, allowing for a longer support suitable for larger toddlers, and includes adjustable straps for varying positions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the frame length is increased to accommodate taller children, then the usability range is extended, but the cost increases due to higher safety requirements under EU standard EN 1888
Solution Approach 1:
The support is divided into a first support part suspended from the frame and a second support part detachably attached to the first support part. This segmentation allows the support to be extended beyond the frame length without requiring the entire frame to be longer, thus avoiding the cost increase associated with extended frame lengths while still accommodating taller children.
Solution Approach 2:
The support configuration is made dynamic and adjustable through the detachable connection between the first and second support parts. The support can be adjusted to different positions and angles, allowing the same frame length to serve multiple height requirements, thereby extending usability without increasing frame length or cost.
2Length of stationary object
If the frame length is increased to accommodate taller children, then the support length is extended, but the frame structure becomes more complex and costly
Solution Approach 1:
The support is segmented into two detachable parts, allowing the second support part to extend beyond the frame without requiring the frame itself to be longer or more complex. The frame structure remains standard length while the support achieves extended length through the detachable second support part.
3Length of stationary object
If a fixed long support is used to accommodate taller children, then the support length is sufficient, but the adaptability for different child sizes is reduced
Solution Approach 1:
The detachable connection between the first and second support parts enables dynamic adjustment of the support configuration. The support can be adjusted to different positions and angles, allowing the same support structure to adapt to various child heights and sizes, thereby maintaining both extended length and high adaptability.
Data Source
Figure 1A~1B
Figure 2A~2B
Figure 2C
AI summary
A reclining and seating arrangement (100) and a carriage with such a reclining and seating arrangement (100) are described. The reclining and seating arrangement comprises: a frame (2); a support (1) with a first support part (11) and a second support part (12), which can be angled relative to each other and which are suspended from the textile fabric on the frame (2); and a third support part (13), which is arranged adjacent to the second support part (12), which is detachably attached to the frame (2) and which projects beyond the frame (2) at a lower end of the frame (2).