Hanging systems
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Solution Overview
Problem
There is a need for portable and compact hanging systems that can securely attach items to various objects and surfaces without requiring both hands, addressing situations like diaper-changing, luggage handling, and outdoor activities where hands are occupied.
Innovation Solution
The development of hook and gated-loop systems with rotatable hinges that allow for compact storage and easy unfolding, along with flexible double hook systems connected by joints, enabling items to be hung from a wide range of surfaces and objects.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the hanging system is designed to be portable and compact for easy storage, then the storage convenience is improved, but the device complexity increases due to the need for folding mechanisms and rotatable hinges
Solution Approach 1:
The hanging system is divided into separate components (hook, gated loop, rotatable hinge) that can be folded relative to each other. The rotatable hinge allows the hook and gated loop to be positioned in different configurations, enabling compact storage when folded and functional deployment when unfolded.
Solution Approach 2:
The rotatable hinge introduces dynamic movement capability to the hanging system, allowing it to transition between folded and unfolded states. This dynamic mechanism enables the system to adapt its configuration based on whether it is being stored or used, resolving the contradiction between compactness and functionality.
2Strength
If the hanging system uses rigid connections for strong attachment, then the attachment strength is improved, but the adaptability to hang from various surfaces and angles deteriorates
Solution Approach 1:
The rotatable hinge provides dynamic adjustment capability, allowing the hanging system to adapt to various angles and surfaces while maintaining secure attachment. The hinge can be positioned at different angles to match the hanging surface geometry, providing both strength and versatility.
Solution Approach 2:
The rotatable hinge changes the angular parameter of the connection between the hook and gated loop, enabling the system to adapt to different hanging orientations. This parameter adjustment allows the same rigid structure to function effectively at multiple angles and on various surfaces.
3Ease of operation
If the hanging system is designed to be easily unfolded for use, then the ease of operation is improved, but the storage compactness deteriorates due to the space required for the unfolded components
Solution Approach 1:
The hanging system components are designed to nest within each other when folded. The rotatable hinge allows the gated loop to be positioned inside or adjacent to the hook structure, creating a compact nested configuration that minimizes storage volume while maintaining all functional components.
Data Source
AI summary
Portable, compact hanging systems that enable a person to hang items from a wide variety of different objects and surfaces in order to free their hands for other activities are described. The hanging systems include hook and gated-loops systems composed of a hook connected to a gated loop by way of a rotatable hinge that provides multiple degrees of freedom. Hanging systems also include double hook systems that are connected by flexible joints for convenient storage and expansion into unfolded configurations when in use.