Adjustable child restraint device
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Solution Overview
Problem
Conventional child restraint devices outside the home often fail to accommodate children of varying sizes, leading to unrestricted movement that inhibits adult freedom in public settings.
Innovation Solution
A portable folding child restraint device with a specially configured frame and corrugated seat that can be adjusted to fit different child sizes, featuring a foldable design allowing the seat to be compactly stored and securely attached to benches or chairs, using pivotal connections and locking mechanisms to ensure stability and safety.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional child restraint devices are used outside the home, then portability is improved, but child movement restriction deteriorates
Solution Approach 1:
The seat back and seat bottom are designed as adjustable components that can be configured in different positions and angles. The seat back can be adjusted to various recline angles and the seat bottom can be positioned at different heights and orientations, allowing the restraint device to adapt to different child sizes and movement patterns while maintaining portability through its folding frame structure
Solution Approach 2:
The device allows changing of geometric parameters including the angle of the seat back, the height and position of the seat bottom, and the overall configuration of the frame. These parameter adjustments enable the same portable device to effectively restrain children of varying sizes without compromising the portability advantage
2Adaptability or versatility
If adjustable features are added to accommodate different child sizes, then adaptability is improved, but device complexity increases
Solution Approach 1:
The seat structure is divided into separate adjustable components: the seat back is a distinct element that can be independently positioned, and the seat bottom is another separate component that can be adjusted independently. This segmentation allows each component to be simplified in design while collectively providing the needed adjustability for different child sizes
Solution Approach 2:
The folding frame structure serves multiple functions: it provides the structural support for the seat, enables the portability through folding capability, and accommodates the adjustable seat back and seat bottom components. This multi-functionality reduces the need for additional separate mechanisms, thereby limiting the increase in device complexity
Data Source
AI summary
A child restraining device in the form of a folding or foldable chair includes a frame with a back. The back of the frame has parallel rods and a bottom foldably attached to the back by lockable hinges. The apparatus has upper and lower corrugated panels attached to the frame. There are a plurality of straps which fit removably through slots on the seat back and seat bottom. These straps are part of a harness that can be adjusted to the height/size of the child to be restrained.