Modular Portable Stand With Tool-Free Interlocking Frame
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Solution Overview
Problem
Existing stands for indoor gardening and aquatics require tools or hardware for assembly and disassembly, are not easily portable, and lack the necessary rigidity and water resistance to support heavy loads like plant trays and aquariums without flexing or tilting, making them unsuitable for ebb and flow gardening and aquatics.
Innovation Solution
A modular stand with four frame rails and legs that interlock without fasteners, allowing for easy assembly and disassembly, featuring wheels for mobility, and optional cross supports for increased loading capacity, constructed from materials like square tubing for strength and compact storage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If traditional stands with fasteners and hardware are used, then structural strength and rigidity are improved, but assembly and disassembly complexity increases and requires tools
Solution Approach 1:
The stand is divided into modular components (frame rails, legs, cross supports) that can be independently assembled and disassembled. Each component is designed with specific interlocking features that enable tool-free assembly while maintaining structural integrity when connected.
Solution Approach 2:
Traditional fasteners, bolts, and hardware are completely removed from the design. The patent extracts these elements and replaces them with integrated interlocking features built directly into the frame components, eliminating the need for separate fastening mechanisms.
2Ease of operation
If stands are designed for easy disassembly and portability, then mobility and storage convenience are improved, but structural rigidity and load-bearing capacity deteriorate
Solution Approach 1:
The stand transitions from a fixed, permanent structure to a dynamic, reconfigurable system. The interlocking components can be quickly assembled and disassembled by the end user without tools, enabling easy portability while maintaining rigidity when assembled. The structure adapts between transported state (disassembled) and operational state (assembled).
3Ease of manufacture
If stands use wood or wood composite materials, then aesthetic appeal and workability are improved, but water resistance and durability in wet environments deteriorate
Solution Approach 1:
The material parameter is changed from organic (wood) to inorganic (metal tubing). This fundamental material substitution transforms the stand's properties: it gains water resistance, durability, and structural strength while maintaining manufacturability through standard metal fabrication processes. The metal square tubing provides both aesthetic appeal and functional performance in wet environments.
4Manufacturing precision
If stands require specialized tools and complicated assembly instructions, then precise assembly is improved, but assembly time and user difficulty increase
Solution Approach 1:
The stand's interlocking components are designed to be self-aligning and self-locating during assembly. The geometric features of the frame rails and legs guide proper positioning automatically, eliminating the need for specialized tools or complex instructions. Users can assemble the stand intuitively by simply connecting the modular components in sequence.
Data Source
AI summary
A modular portable stand that can be quickly and easily assembles and disassembles by one person without using any tools or hardware. Unassembled, the stand includes two base members, two side members, and four legs. Interlocking the components at each corner provides a stiff and sturdy perimeter frame when assembled, that becomes more rigid when loaded with plant propagation trays, fish tanks, or other heavy items.