Juvenile Walker Seat Latch Structure for Height Adjustment
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Solution Overview
Problem
Existing juvenile walkers lack an effective mechanism for adjusting the seat height and collapsing the seat unit for storage, which limits versatility and convenience for caregivers.
Innovation Solution
A height-adjustable seat mechanism in juvenile walkers, featuring movable seat legs with latches that engage with a post-receiver tower system, allowing the seat to be elevated or lowered and easily collapsed for storage, using a snap-fit engagement mechanism.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the seat unit is made fixed and non-adjustable, then the structure is simple and stable, but the adaptability to different age groups and storage capability deteriorates
Solution Approach 1:
The seat unit is divided into separable components: the seat assembly and the rolling base can be detached from each other. The seat legs are designed as movable segments that can be independently positioned. This segmentation enables the seat to be collapsed for storage while maintaining structural simplicity when not in use.
Solution Approach 2:
The seat legs are designed to be movable rather than fixed, allowing dynamic adjustment between extended and retracted positions. The latch mechanism enables the seat legs to be held in different positions, providing adaptability for various age groups while maintaining a simple folded state for storage.
2Volume of moving object
If the seat unit is made collapsible for storage, then the space efficiency improves, but the structural stability and safety deteriorates
Solution Approach 1:
The latch mechanism is pre-positioned on the seat legs to engage with the rolling base at specific heights. This preliminary arrangement ensures that when the seat is assembled, the latch automatically secures the seat at the appropriate elevation, maintaining structural stability before use.
Solution Approach 2:
The seat unit is designed to nest within the rolling base when collapsed for storage. The seat assembly fits into the contours of the rolling base, creating a compact stored configuration that maintains stability through the nested relationship between components.
3Ease of operation
If the latch mechanism is made automatic, then the ease of operation improves, but the device complexity increases
Solution Approach 1:
The latch mechanism is designed to be self-actuating through elastic elements that automatically engage with the rolling base when the seat is properly positioned. The elastic latch provides automatic locking without requiring complex motors or electronic controls, maintaining simplicity while improving ease of operation.
4Adaptability or versatility
If the seat is made height-adjustable, then the adaptability to different ages improves, but the structural complexity and potential safety issues increase
Solution Approach 1:
The height adjustment capability is implemented only at the seat leg level, while the rest of the seat structure remains simple and robust. The latch mechanism provides localized adjustment functionality without compromising the overall structural integrity and reliability of the seat assembly.
Data Source
AI summary
A juvenile walker includes a seat supported for movement on a movable base. The elevation of the seat can be changed by a caregiver.