Modular Enclosure Living Hinges for Compact Packaging

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Solution Overview

Problem

Conventional sheds are cumbersome to build, difficult to disassemble, and require significant time, labor, and maintenance due to their heavy, bulky construction from materials like wood and metal, which also leads to high shipping costs and inefficiencies in transportation and storage.

Innovation Solution

A modular shed design using lightweight blow-molded plastic components that are easily interconnected and disassembled, featuring living hinges for efficient assembly and reconfiguration, and a compact packaging system to reduce shipping costs and facilitate transportation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Strength

If conventional sheds are constructed from heavy materials like wood and metal, then structural strength and stability are improved, but weight increases making them difficult to transport and assemble

Engineering Contradiction:
Improvestructural strengthVSAvoidweight
Core Design Contradiction:
StrengthVSWeight of moving object

Solution Approach 1:

The patent uses composite construction combining plastic panels with metal framing members to achieve both strength and lightweight properties. The plastic panels provide corrosion resistance and lightweight characteristics while the metal framing provides structural support, creating a composite structure that outperforms traditional wood or metal-only constructions.

Inventive Principle:
Principle #40Composite materials

Solution Approach 2:

The patent changes the material parameters from traditional heavy wood or metal to lightweight plastic materials. The plastic panels are specifically engineered to provide sufficient strength while significantly reducing weight, transforming the fundamental material parameter of the shed construction.

Inventive Principle:
Principle #35Parameter changes

2Stability of the object's composition

If conventional sheds use numerous interconnected components with screws or bolts, then structural integrity is improved, but assembly time and labor requirements increase

Engineering Contradiction:
Improvestructural integrityVSAvoidassembly time
Core Design Contradiction:
Stability of the object's compositionVSLoss of time

Solution Approach 1:

The patent divides the shed into modular components including panel sections, framing members, and roof sections that can be independently manufactured and then quickly assembled. This segmentation allows for standardized connection methods that reduce assembly complexity and time requirements while maintaining structural integrity.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent combines multiple functions into integrated components. For example, the framing members serve both structural support and attachment functions for panels, reducing the need for separate fasteners and connection elements. This merging of functions simplifies the assembly process while maintaining structural integrity.

Inventive Principle:
Principle #5Merging (Combining)

3Ease of operation

If conventional sheds are built as complete structures, then immediate usability is improved, but shipping costs and transportation difficulty increase

Engineering Contradiction:
Improveimmediate usabilityVSAvoidshipping weight
Core Design Contradiction:
Ease of operationVSWeight of stationary object

Solution Approach 1:

The patent segments the shed into removable panel sections and components that can be efficiently packaged and shipped. The modular design allows components to be compacted for shipping while maintaining the ability to quickly reassemble into a complete usable structure, balancing shipping efficiency with immediate usability.

Inventive Principle:
Principle #1Segmentation

4Stability of the object's composition

If conventional wooden sheds are constructed with multiple support beams and trusses, then structural stability is improved, but manufacturing complexity and cost increase

Engineering Contradiction:
Improvestructural stabilityVSAvoidmanufacturing complexity
Core Design Contradiction:
Stability of the object's compositionVSDevice complexity

Solution Approach 1:

The patent uses composite materials where plastic panels are attached to metal framing members, eliminating the need for complex wooden support beams and trusses. This composite approach provides structural stability through the metal framing while simplifying manufacturing by using standardized metal components rather than custom wood carpentry.

Inventive Principle:
Principle #40Composite materials

Solution Approach 2:

The patent replaces traditional mechanical wood carpentry systems with a metal framing and plastic panel system. This substitution simplifies manufacturing processes by using standardized metal components that can be fabricated off-site and assembled, reducing the complexity of on-site construction while maintaining structural stability.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Data Source

PatentUS7926227B2Modular enclosure with living hinges
Publication Date: 2011.04.19 LIFETIME PRODUCTS
  • US7926227B2 patent drawing
  • US7926227B2 patent drawing
  • US7926227B2 patent drawing

AI summary

A modular enclosure, such as a shed, may include a plurality of corner panels that are constructed from blow-molded plastic. Each of the corner panels may include a living hinge that generally divides the corner panel in half and allows the corner panel to be moved between a generally planar position to facilitate packaging of the shed and an angled position. The shed may also include a plurality of wall panels constructed from blow-molded plastic and disposed between the corner panels. The living hinge is preferably generally vertically positioned when the corner panels are used to construct the shed and the living hinge preferably extends generally from a top portion of the corner panel to a lower portion of the corner panel. Advantageously, the living hinge may be used to construct other portions of the shed such as shelves, skylights and roof caps.