Variable-Width Stroller Insert Using Adjustable Bars
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Solution Overview
Problem
Conventional stroller inserts are fixed in size, making it difficult to adapt to a child's growth or to convert a single-child stroller into a twin stroller without requiring separate strollers, which is space and cost-intensive.
Innovation Solution
A variable-width insert for children's or doll's prams featuring an overhead frame with adjustable longitudinal and transverse bars connected via length-variable cross connections, allowing the width to be changed by pulling the bars apart or bending them, and equipped with adapters for secure attachment to a stroller frame.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional fixed-size stroller inserts are used, then manufacturing and structural simplicity are maintained, but adaptability to different child sizes and stroller configurations is lost
Solution Approach 1:
The insert is divided into modular components including adjustable longitudinal bars, transverse bars, and connection elements that can be independently positioned. This segmentation allows the width to be adjusted by reconfiguring the modular parts without requiring a completely different insert structure, thus improving adaptability while controlling complexity through standardization of components.
Solution Approach 2:
The insert incorporates dynamic adjustment mechanisms allowing the width to be changed from a narrow configuration (for single child) to a wider configuration (for twin stroller). The longitudinal and transverse bars can be moved relative to each other, enabling the same insert to adapt to different stroller configurations and child growth stages.
2Adaptability or versatility
If fixed-width inserts are used, then device complexity is minimized, but the ability to convert single stroller to twin stroller is lost
Solution Approach 1:
The insert is designed with universal adaptability features where the same insert can function in both single-stroller and twin-stroller configurations. The adjustable width mechanism allows the insert to serve multiple purposes: as a single wide insert or as two separate narrower inserts when the stroller is converted to twin mode, eliminating the need for separate inserts for different configurations.
Solution Approach 2:
The insert incorporates dynamic adjustment mechanisms allowing the width to be changed from a narrow configuration (for single child) to a wider configuration (for twin stroller). The longitudinal and transverse bars can be moved relative to each other, enabling the same insert to adapt to different stroller configurations and child growth stages.
3Adaptability or versatility
If multiple separate strollers are purchased for single and twin configurations, then adaptability is achieved, but cost and space requirements increase
Solution Approach 1:
The insert is designed with universal adaptability features where the same insert can function in both single-stroller and twin-stroller configurations. The adjustable width mechanism allows the insert to serve multiple purposes: as a single wide insert or as two separate narrower inserts when the stroller is converted to twin mode, eliminating the need for separate inserts for different configurations.
Data Source
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AI summary
An insert for children's or doll's prams is described, whereby the width of the insert is variable.