A-Frame Shelving With Tool-Free Slat and Shelf Assembly
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Solution Overview
Problem
Existing shelving solutions require tools and additional components like brackets and screws for assembly, leading to instability, unsightliness, and limited load-bearing capacity, while lacking a tool-free and aesthetically pleasing design.
Innovation Solution
An A-frame shelf structure with hingedly connected panels featuring transversely spaced side rails, interconnecting walls, and removable slats, along with a non-stretchable chain for stability, allowing assembly without tools and accommodating adjustable height and load capacity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If traditional shelving assembly methods are used with brackets and screws, then structural strength is improved, but assembly complexity and tool requirements increase
Solution Approach 1:
The patent merges the functions of brackets, screws, and structural supports into a single integrated wooden panel assembly system. The notches and slots are cut directly into the panels, eliminating the need for separate fastening components while maintaining structural integrity through the interlocking panel design.
Solution Approach 2:
The patent extracts and eliminates the need for separate brackets and screws by incorporating all structural connection functions directly into the wooden panels themselves. The notches and slots are built-in features that provide both structural support and fastening functions without requiring additional components.
2Stability of the object's composition
If traditional shelving assembly methods are used with brackets and screws, then structural stability is improved, but ease of manufacture deteriorates
Solution Approach 1:
The shelving system is designed to be self-assembling through pre-cut notches and slots in the panels that guide and secure the shelves in place without requiring tools or complex fastening operations. The structure serves its own assembly needs through its geometric design.
Solution Approach 2:
The shelving unit is divided into modular panels with standardized notches and slots that can be independently manufactured and then easily assembled together. This segmentation allows for simplified manufacturing of individual components that come together through simple insertion and alignment.
3Strength
If traditional shelving assembly methods are used with brackets and screws, then load-bearing capacity is improved, but aesthetic appearance deteriorates
Solution Approach 1:
The structural supports and fastening elements are merged into the wooden panels themselves, creating a unified aesthetic where the structure is inherent to the design rather than added on. The notches and slots are integrated features that maintain the clean lines and natural appearance of the wood.
Solution Approach 2:
The patent removes visible brackets, screws, and other industrial fastening components that mar the aesthetic appearance. All structural connections are achieved through hidden notches and slots cut into the wooden panels, preserving the natural beauty and simplicity of the wood grain and design.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution provides a stable, strong, and aesthetically pleasing shelving system capable of supporting up to 200 pounds without requiring tools, with adjustable height and easy disassembly for relocation, while maintaining a lightweight and visually appealing design.
Implementation Method 1
The first and second panels are hingedly connected to one another at respective uppermost ends so that an 'A' shape is formed when their respective lower ends are laterally spaced apart from one another.
Implementation Method 2
A flexible but non-stretchable chain means is disposed in interconnecting relation between the first panel and the second panel near respective lower ends thereof.
Data Source
AI summary
A shelf structure includes a first and second panel. Each panel has a pair of transversely spaced apart side rails. A plurality of equidistantly spaced slots is formed in an inboard side of each of the side rails and a plurality of slats has opposed ends received within corresponding slots. The first and second panels are hingedly connected to one another at respective uppermost ends so that an “A” shape is formed when their respective lower ends are laterally spaced apart from one another. Each slat forming a part of the first panel has a transversely disposed, corresponding slat in the second panel at the same height so that removal of a pair of corresponding slats creates a pair of level openings. A shelf is slidingly inserted into each pair of openings. A chain interconnects the first panel and second panel near their lower ends to maintain the A shape.