Elastic Back Support Strap for Swing Safety
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Solution Overview
Problem
Existing devices for supporting infants or children in swings are either impractical, overly complex, or require both hands to use, making it difficult for adults to hold and attend to young children while swinging.
Innovation Solution
A back support device with a strap made of comfortable material, equipped with releasable fasteners that attach to swing chains, providing support to the adult's back and underarms without encircling or restraining them, allowing one-handed child holding and easy attachment to various swing types.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a child restraint system is used to support an infant in a swing, then the infant is safely supported, but both hands are required to fasten the device making it impractical for adults attending to children
Solution Approach 1:
The support device is designed to be self-adjusting and self-securing. The elastic strap automatically tensions and secures to the swing chains without requiring manual fastening by both hands. The device serves itself by maintaining constant tension through elasticity, eliminating the need for continuous manual adjustment while ensuring safety
Solution Approach 2:
The device separates the support function into independent components: an elastic strap for support, separate attachment points for swing chains, and a simple buckles system for quick fastening. This segmentation allows the adult to secure the device with one hand while the other hand attends to the child
2Ease of operation
If an adult holds a child in a swing, then constant attention is provided, but the adult lacks sufficient back support for stability
Solution Approach 1:
The elastic support device acts as an intermediary between the adult and the swing structure. It transfers the adult's weight and provides reactive support force through the elastic strap, stabilizing the adult's posture without interfering with the ability to hold a child. The device mediates the mechanical load distribution
3Stability of the object's composition
If a harness or encircling device is used to support the adult, then stability is provided, but movement is overly restricted
Solution Approach 1:
Instead of encircling the entire adult body, the support device applies localized support only at the back and underarm regions where needed for stability. The elastic strap targets specific anatomical points to provide support without restricting overall movement freedom in other body regions
Data Source
AI summary
A back support device utilizes a removable fabric support strap attached to chain attachment assemblies for connection to the support chains of a swing. The chain attachment assemblies are attached to chain elements of the support chains so that the support strap of the device is positioned in the underarm area of an adult. The support strap has a width sufficient for supporting the back and underarms of an adult comfortably. A removable sleeve, slidable over the chain attachment assemblies and support strap of the device provides a means to quickly and easily clean and restore the device.