Collapsible Basket With Segmented Rigid Frame And Replaceable Panels
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Solution Overview
Problem
Reusable canvas bags lack rigidity and can be stained by liquids, making them unsuitable alternatives to disposable bags for carrying products, especially in jurisdictions banning plastic bags.
Innovation Solution
A collapsible basket design featuring two separate compartments attached to a center frame, which can be unfolded to form a rigid basket space defined by four perpendicular sides, allowing for easy folding and unfolding, and optionally equipped with a collapsible wheel mechanism for enhanced usability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Duration of action of stationary object
If reusable canvas bags are used as alternatives to disposable bags, then reusability is improved, but rigidity deteriorates and the bag can be stained by liquids
Solution Approach 1:
The basket is divided into a rigid frame structure and separate side wall panels that can be assembled and disassembled. The frame provides structural rigidity while the panels can be replaced if stained, resolving the contradiction between reusability and rigidity/stain resistance.
Solution Approach 2:
The basket combines a rigid frame (providing structural strength and rigidity) with canvas side walls (providing reusability). This composite construction allows the rigid frame to maintain shape while the canvas panels can be cleaned or replaced, addressing both rigidity and reusability requirements.
2Duration of action of stationary object
If canvas bags are used, then reusability is improved, but resistance to liquid staining deteriorates
Solution Approach 1:
The basket separates the rigid frame from the canvas panels, allowing the panels to be independently removed and cleaned or replaced when stained, while the rigid frame remains unaffected and reusable.
Solution Approach 2:
The canvas panels can be discarded when heavily stained and replaced with new panels, while the rigid frame is recovered and reused indefinitely, maximizing reusability while addressing liquid staining issues.
3Volume of moving object
If a collapsible basket is designed with folding mechanisms, then compactness is improved, but device complexity increases
Solution Approach 1:
The basket employs dynamic folding mechanisms that allow the side walls to collapse into a compact configuration for storage, while maintaining structural integrity when unfolded for use. The hinges and connecting elements enable smooth transitions between states without excessive complexity.
Solution Approach 2:
The side walls are designed to nest within each other when collapsed, with each panel fitting into the structure of the others, achieving maximum compactness while using simple hinge connections rather than complex mechanical assemblies.
Data Source
AI summary
A collapsible basket with two separate basket compartments attached to a center frame. Each basket compartment can be unfolded from a folded state into a fully unfolded state in which it forms a basket space defined by four sides rising substantially perpendicularly from a forward bottom. For each basket compartment, two of its three sides are hingedly connected to the center frame and to an intermediate side that is also hingedly connected to a bottom.