Configurable Wheelbarrow with Detachable Components for Compact Storage
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Solution Overview
Problem
Existing wheelbarrows are bulky and inefficient in terms of storage and transportation due to their fixed configuration, which does not allow for easy compaction when not in use.
Innovation Solution
A wheelbarrow design that is configurable into two positions: a deployed position for use and a compact position for storage or transportation, where the wheel is dismounted, the leg unit is disconnected, and the handles are either retracted or removed.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the wheelbarrow is designed with fixed configuration (wheel mounted, leg unit connected, handles extended), then the wheelbarrow provides stable structure and ease of operation during use, but the wheelbarrow occupies excessive space during storage and transportation
Solution Approach 1:
The wheelbarrow employs dynamic reconfiguration capabilities, allowing it to transition between a deployed operational state and a compact storage state. The wheel can be detached from the tray, the leg unit can be disconnected, and the handles can be retracted or removed, enabling the wheelbarrow to adapt its configuration based on whether it is being used or stored.
Solution Approach 2:
The wheelbarrow is divided into separable components including the wheel, tray, leg unit, and handles. This segmentation allows each component to be independently detached or reconfigured, facilitating compact storage while maintaining full functionality when deployed.
2Stability of the object's composition
If the wheelbarrow components (wheel, leg unit, handles) are permanently attached, then the wheelbarrow maintains structural integrity and stability during operation, but the wheelbarrow cannot be easily compacted for storage or transportation
Solution Approach 1:
The wheelbarrow features dynamic attachment and detachment mechanisms that allow components to be securely fastened during operation for stability, and easily removed or reconfigured for storage. The wheel can be detached from the tray, the leg unit can be disconnected, and the handles can be retracted, providing adaptability between operational and storage states.
Solution Approach 2:
The wheelbarrow is constructed with separable components that can be independently attached or detached. This segmentation enables the structure to maintain integrity when components are attached during use, while allowing easy disassembly for compact storage, thus achieving both stability and adaptability.
3Ease of manufacture
If the wheelbarrow is designed as a single fixed configuration, then the manufacturing process is simple, but the wheelbarrow is bulky and inefficient for storage and transportation
Solution Approach 1:
The wheelbarrow is manufactured as a modular assembly of separate components (wheel, tray, leg unit, handles) that can be easily assembled and disassembled. This segmented design maintains manufacturing simplicity while enabling compact storage by allowing components to be detached and stored separately or nested within each other.
Data Source
AI summary
A wheelbarrow comprising a tray, a wheel, handles, and a leg unit reversely configurable into a deployed position and a compact position, so that in the deployed position, the wheel is rotatably mounted underneath the tray, the leg unit extends from the bottom wall of the tray, and the handles extend at the rear end of the; and, in the compact position, the wheel is detached from underneath the tray, the leg unit is retracted from the bottom wall of the tray, and the handles are retracted from the rear end of the tray; wherein, from the deployed position, the wheel is dismounted from arms underneath the tray that retract underneath the tray and are locked in the compact position on the bottom wall of the tray by manual action on a bracket, and the leg unit as well as the handles are retracted by unsnapping handle buttons.