Plastic Modular Wardrobe Assembly With Fastener-Free Coupling

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Solution Overview

Problem

Furniture designs often fail to meet the requirements of versatility, adaptability to changing spaces, and affordability, as they require substantial modifications and specialized labor to adjust configurations.

Innovation Solution

A modular furniture system composed of plastic modules with integrated coupling and stopping mechanisms, allowing users to easily combine and reconfigure components to create wardrobes of varying heights and shelf configurations without external connections like screws, enabling rapid assembly and disassembly for customizable furniture solutions.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If traditional furniture designs are used, then structural strength is maintained, but adaptability and ease of reconfiguration deteriorate due to requiring substantial modifications and specialized labor

Engineering Contradiction:
ImproveadaptabilityVSAvoidcomplexity of modification
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The furniture structure is divided into modular components (vertical elements, horizontal elements, corners) that can be independently assembled and reconfigured. Each module contains integrated coupling mechanisms that enable connection without external fasteners, allowing users to adapt furniture configurations easily while maintaining structural integrity through standardized interlocking designs.

Inventive Principle:
Principle #1Segmentation

2Ease of manufacture

If modular plastic components are used, then cost and weight are reduced, but coupling stability may deteriorate without external connection means

Engineering Contradiction:
Improvemanufacturing costVSAvoidcoupling stability
Core Design Contradiction:
Ease of manufactureVSReliability

Solution Approach 1:

The coupling and stopping mechanisms are merged directly into the module structures themselves rather than being separate external components. Vertical and horizontal elements incorporate recesses, protrusions, and stopping features as integral parts of their geometry, creating stable connections through precise geometric interlocking that eliminates the need for screws, plugs, or other external fasteners while maintaining assembly simplicity.

Inventive Principle:
Principle #5Merging (Combining)

3Ease of operation

If integrated coupling mechanisms are used, then ease of assembly is improved, but device complexity increases due to integrated features

Engineering Contradiction:
Improveease of assemblyVSAvoidcomplexity of module design
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The modular elements are designed with universal coupling characteristics that work across different module types. The vertical elements, horizontal elements, and corners all feature standardized recesses and protrusions that create consistent interlocking behavior throughout the furniture system. This universality allows simple assembly procedures to work across various configurations while the modular design absorbs the complexity in a standardized manner that does not increase operational difficulty.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Data Source

PatentUS8944532B2Modular apparatus for realization of wardrobes provided with plastic structure
Publication Date: 2015.02.03 TONTARELLI SERGIO
  • US8944532B2 patent drawing
  • US8944532B2 patent drawing
  • US8944532B2 patent drawing

AI summary

A modular apparatus is composed of a plurality of modules obtained from molding plastic materials and adapted to be combined at the user's discretion in order to obtain pieces of furniture with different shapes and dimensions, preferably wardrobes.