Split Wheel and Hub Assembly for Beach Chair Mobility on Soft Terrain
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Solution Overview
Problem
Carrying or dragging beach chairs and other items on sandy or lawn surfaces is burdensome due to the lack of mobility on soft or irregular terrain.
Innovation Solution
A wheel and hub assembly that can be easily attached to and detached from beach chairs or similar items without tools, allowing them to be rolled or converted into a handcart, featuring split adapters, hubs, and wheels for stability and adaptability to different sizes and surfaces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If beach chairs and items are carried or dragged on sandy or lawn surfaces, then they can be transported to the destination, but it is burdensome and difficult to move them
Solution Approach 1:
The wheel assembly is divided into separable components (wheels, hubs, adapters) that can be independently attached and detached from the beach chair, allowing the mobility function to be added only when needed and removed when not required, thus avoiding permanent weight addition while enabling easy movement on soft surfaces
Solution Approach 2:
The wheel assembly transitions from a static beach chair to a dynamic wheeled cart configuration by attaching wheels to the chair legs, enabling the system to adapt its mobility characteristics based on the terrain conditions and user needs
2Adaptability or versatility
If a wheel assembly is permanently attached to beach chairs, then movement on soft surfaces is enabled, but the device becomes more complex and less adaptable to different chair sizes
Solution Approach 1:
The wheel system is segmented into modular components (adapters that fit different leg diameters, hubs, and wheels) that can be independently selected and combined, allowing the same basic wheel assembly to adapt to various beach chair sizes without requiring a completely different design for each chair type
Solution Approach 2:
The adapter components are designed with universal fitting capabilities to accommodate different leg diameters and chair configurations, allowing a single set of wheel components to serve multiple beach chairs of varying sizes and styles, thereby reducing overall system complexity while maintaining broad adaptability
Data Source
AI summary
A wheel and hub assembly. Such a wheel includes split adapters, split hubs and split wheels. The assembly is attached to any beach chair or other article of manufacture which has a rod or pipe in its structure. Also, the wheel can be adapted on variously sized pipes and enable a user to easily pull/roll a beach chair or other articles of manufacture on various surfaces including a sandy beach or lawn.