Foldable Infant Chair Frame With Auto-Locking Stability
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Solution Overview
Problem
Current baby chairs do not adequately address the needs of both parents and infants, particularly in terms of convenience, transportability, and storage, while providing a comfortable sitting environment for infants as they grow.
Innovation Solution
A baby chair with a frame that pivots between expanded and collapsed positions, featuring a locking mechanism, a removable slipcover with a curved back and side arms, and a horn for leg support, along with a tray and restraint system, allowing for easy assembly, use, and storage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the baby chair is designed with a fixed frame structure to provide stability and comfort for infants, then the sitting comfort and reliability are improved, but the ease of transport and storage deteriorates
Solution Approach 1:
The frame is designed with movable joints that allow it to transition between an expanded stable configuration for infant sitting and a collapsed compact configuration for transport and storage. The pivotal connections between frame members enable this dynamic transformation while maintaining structural integrity in both states.
Solution Approach 2:
The frame is divided into multiple separable members connected by pivotal joints, allowing the structure to be collapsed into a compact form for transport while maintaining stability when assembled. The segmented design enables the frame to adapt between expanded and collapsed states.
2Reliability
If the baby chair is designed with a complex locking mechanism to ensure safety and stability, then the reliability is improved, but the device complexity increases
Solution Approach 1:
The locking mechanism utilizes spring-loaded teeth that automatically engage with corresponding slots on the frame members when the chair is assembled, providing automatic locking without requiring complex manual operation. The spring force ensures positive engagement and maintains the locked state passively.
Solution Approach 2:
The locking mechanism replaces complex multi-component mechanical locks with a simpler spring-loaded tooth and slot system that achieves the same safety function through elastic deformation and geometric interlocking, reducing overall mechanism complexity.
3Ease of operation
If the baby chair uses rigid structural members to provide support and comfort, then the sitting comfort is improved, but the ease of manufacture and assembly deteriorates
Solution Approach 1:
The rigid frame members are divided into multiple standardized segments that can be manufactured separately using conventional processes and then assembled through pivotal connections. This segmentation allows for easier manufacturing of individual components while maintaining the rigidity and comfort of the complete structure.
Solution Approach 2:
The frame members are designed with universal pivotal connection interfaces that can accommodate different member configurations and lengths, allowing standardized components to be assembled into various chair configurations. This universality simplifies manufacturing and assembly while maintaining structural integrity.
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 design provides a versatile, comfortable, and convenient seating solution for infants that can be easily converted between expanded and collapsed positions for use and storage, accommodating the needs of both parents and infants throughout the infant's growth.
Implementation Method 1
a spring loaded tooth that extends from the bottom member to engage the top member when in the expanded position
Implementation Method 2
a hinge that permits the locking mechanism to pivot when the frame is moved from the extended position to the collapsed position
Data Source
AI summary
An infant chair includes a frame having a seat portion and a base portion that are pivotally connected to each other so as to be movable between an expanded position and a collapsed position. A locking mechanism is operable to lock the frame in the expanded position. Further, a cover is configured to substantially cover the frame.