Infant Stroller Restraint System with Abuttal Arrangements
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Solution Overview
Problem
Current infant stroller designs lack a secure mechanism to hold child safety seats, which can lead to instability and potential displacement during use.
Innovation Solution
The infant stroller apparatus incorporates a restraint system with a holding structure and abuttal arrangements between side segments of the stroller frame and the child safety seat, featuring an anchor frame, catch member, and anti-slip interfaces to securely attach and prevent rotation or displacement of the child safety seat.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a simple frame structure is used to receive the child safety seat, then the ease of operation is improved, but the reliability deteriorates due to instability and potential displacement
Solution Approach 1:
The restraint system is divided into multiple functional components: a holding structure with an anchor frame and catch member for primary attachment, and multiple abuttal arrangements (first and second) with bearing surfaces and protruding structures for secondary stabilization. This segmentation allows each component to perform its specific function, achieving both easy operation and high reliability
Solution Approach 2:
The abuttal arrangements are pre-configured with protruding structures and bearing surfaces in specific positions before the child safety seat is installed. The first abuttal arrangements prevent lateral displacement, while the second abuttal arrangements prevent forward movement. This preliminary positioning ensures stability is achieved automatically upon installation without requiring additional adjustment actions
2Reliability
If a secure restraint mechanism is added to hold the child safety seat, then the reliability is improved, but the device complexity increases
Solution Approach 1:
The restraint system is designed to be self-servicing through passive mechanical features. The catch member automatically engages with the anchor frame, and the abuttal arrangements with their protruding structures and bearing surfaces automatically prevent displacement and rotation. No active control, sensors, or power sources are needed, maintaining simplicity while achieving high security
Solution Approach 2:
Multiple restraint functions are merged into a single integrated restraint system that combines the holding structure (anchor frame and catch member) with both first and second abuttal arrangements. This unified design provides comprehensive security (lateral and forward restraint) through one coordinated system rather than separate independent mechanisms, reducing overall complexity
Data Source
AI summary
An infant stroller apparatus includes a stroller frame having a push handle, a child safety seat installed with the stroller frame, and a restraint system for holding the child safety seat with the stroller frame. The restraint system includes a holding structure disposed at a transversal position and near a rear portion of the child safety seat, and two first and second abuttal arrangements provided symmetrically at left and right sides of the child safety seat. Each first abuttal arrangement includes a bearing surface carried by one side segment, and a protruding structure connected with the child safety seat that rests on the bearing surface. The second abuttal arrangements are disposed near the front portion of the child safety seat to prevent the child safety seat from moving in a direction that raises the protruding structures out of contact with the bearing surfaces.