Stroller Seat Pivot Joint Independent Folding Mechanism
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Solution Overview
Problem
Existing child stroller apparatuses lack flexibility in folding options, requiring caregivers to position the seat correctly before folding, and cannot fold the seat while keeping the stroller frame unfolded, which is cumbersome and inefficient.
Innovation Solution
A pivot joint system with a latch and linking mechanism that allows the stroller seat to be folded independently of the stroller frame, enabling the seat to be rotated and locked/unlocked relative to the frame for compact storage and transport, while maintaining the frame in an unfolded state.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the seat is folded along with the stroller frame into a compact form, then the overall folded size is reduced, but the stroller frame must be collapsed which limits flexibility in use
Solution Approach 1:
The invention divides the folding function into two independent segments: the stroller frame and the seat. The seat can be folded independently from the frame through a dedicated folding mechanism involving the latch (34), second joining part (32), and coupling part (33), while the frame remains stationary and unfolded. This segmentation allows selective folding of only the seat portion, providing flexibility in different usage scenarios.
2Volume of moving object
If the seat orientation is changed to achieve a smaller folded size, then the folded dimensions are optimized, but the caregiver must position the seat correctly before folding which is cumbersome
Solution Approach 1:
The invention implements a self-locking mechanism where the latch (34) automatically engages with the coupling part (33) when the seat is in the correct folded position. The linking mechanism (35) connected to the first joining part (31) automatically actuates the latch during the folding process, eliminating the need for the caregiver to manually position or adjust the seat orientation before folding. The system performs the positioning function automatically as part of the folding motion itself.
Data Source
AI summary
A pivot joint includes a first joining part, a second joining part and a coupling part pivotally connected with one another, the second joining part being disposed between the first joining part and the coupling part, a latch carried with the second joining part, and a linking mechanism configured to couple the latch to the first joining part so that a rotation of the first joining part relative to the second joining part in a first direction causes the latch to disengage from the coupling part for rotation of the second joining part relative to the coupling part, and a rotation of the first joining part relative to the second joining part in a second direction causes the latch to engage with the coupling part to prevent rotation of the second joining part relative to the coupling part. Moreover, a child stroller apparatus is also described herein.