Blow-Molded Plastic Door With Integrated Hinge
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Solution Overview
Problem
Conventional sheds are cumbersome to construct, difficult to disassemble, and require significant time, labor, and maintenance due to their heavy and bulky materials, leading to high shipping costs and limited consumer accessibility.
Innovation Solution
A modular shed constructed from lightweight blow-molded plastic components with integrated UV inhibitors, featuring interlocking designs and living hinges for easy assembly and disassembly, which can be shipped in compact packaging and adapted for various configurations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If conventional sheds are constructed from heavy materials like wood and metal, then structural strength and durability are improved, but construction time, labor requirements, and shipping costs increase significantly
Solution Approach 1:
The patent changes the material parameter from heavy traditional materials (wood, metal) to lightweight blow-molded plastic, fundamentally altering the weight-to-strength ratio. This enables the shed to maintain adequate structural strength while dramatically reducing construction time and shipping costs associated with moving heavy materials and assembled structures.
Solution Approach 2:
The patent employs composite construction by integrating reinforced plastic materials with embedded reinforcing elements (such as internal ribs, angles, and structural additives) to achieve the necessary strength-to-weight ratio. This composite approach allows the shed to be both lightweight for easy assembly and sufficiently strong for its intended use.
2Stability of the object's composition
If conventional sheds are constructed from numerous interconnected parts, then structural integrity is improved, but ease of assembly and disassembly deteriorates
Solution Approach 1:
The patent divides the shed into modular components (walls, roof, floor, door) that can be independently manufactured and assembled. Each component is designed as a discrete unit with standardized connection interfaces, enabling easy assembly and disassembly while maintaining structural integrity through proper interlocking mechanisms.
Solution Approach 2:
The patent integrates multiple functional features into single components. For example, window and door openings are formed as integral parts of the wall panels during blow-molding, eliminating the need for separate framing members and simplifying assembly. This merging of functions reduces the total number of parts while preserving structural integrity.
3Stability of the object's composition
If conventional sheds are designed for permanent installation, then structural stability is improved, but adaptability and reconfigurability deteriorates
Solution Approach 1:
The patent designs the shed with dynamic characteristics, allowing it to transition between assembled and disassembled states easily. The modular components with standardized connections enable the shed to be reconfigured, moved, or adapted for different uses while maintaining structural stability when assembled. This dynamic design facilitates adaptability without compromising stability during use.
4Reliability
If conventional sheds require periodic painting and finishing to protect from deterioration, then durability is improved, but maintenance time and costs increase
Solution Approach 1:
The patent uses blow-molded plastic materials that are inherently resistant to rot, rust, and deterioration, eliminating the need for periodic protective coatings. While the plastic itself is the primary material, its superior weather resistance and durability mean it does not require the ongoing maintenance that traditional materials need, effectively replacing the need for repeated painting and finishing.
Solution Approach 2:
The patent employs reinforced plastic composites that combine the durability of traditional materials with the maintenance-free properties of plastic. The embedded reinforcing elements and composite construction provide structural integrity while the plastic surface naturally resists weathering, eliminating the need for periodic protective finishes.
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 modular design reduces construction time, shipping costs, and maintenance needs, while enhancing durability and weather resistance, making the shed more accessible and versatile for consumers.
Implementation Method 1
lightweight blow-molded plastic components with integrated UV inhibitors
Data Source
AI summary
A modular enclosure, such as a shed, may include a door assembly. The door assembly may include a door constructed from blow-molded plastic and a hinge member receiving portion may be disposed on one side of the door. Advantageously, the hinge member receiving portion may be integrally formed with the door as part of a unitary, one-piece construction. A hinge member may be disposed within the hinge member receiving portion and the hinge member may pivotally connect the door to the shed. The door may include a reinforcement member, which is preferably constructed from metal and disposed proximate the second side of the door. If desired, the reinforcement member may be at least partially exposed on an outer surface of the door. In addition, the door assembly may include a flange that is sized and configured to prevent water from unintentionally entering the shed.