Detachable modular sofa

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Solution Overview

Problem

Current sofa designs lack modularity, limiting their versatility and configurability, as they are typically designed for a specific purpose and cannot be easily adapted or reconfigured without increasing manufacturing costs.

Innovation Solution

A modular sofa system featuring detachable shaping elements with a rectangular structure that includes a main bar, anchoring legs, and reinforcing rods, which provide rigidity and allow for manual reconfiguration without tools, using a platform with holes and plastic bushes for secure anchoring, enabling various configurations by interchanging elements like backrests, armrests, and additional features like tables or shelves.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If sofas are designed with differentiating shapes and features for each model, then originality and user needs satisfaction are improved, but modularity is lost and manufacturing complexity increases

Engineering Contradiction:

Improvesofa configurabilityVSAvoidmanufacturing complexity

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The sofa is divided into independent modular components: a base structure and detachable shaping elements (backrests, armrests, tables, shelves). Each element can be manufactured separately using standardized processes and then assembled through simple insertion into grooves, reducing overall manufacturing complexity while enabling high configurability.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The shaping elements are designed with universal grooves that can accommodate various configurations. The same basic elements can be arranged differently to create multiple sofa styles and functions, eliminating the need for complex custom manufacturing for each model while maintaining versatility.

Inventive Principle:

Principle #6Universality (Multi-functionality)

2Ease of manufacture

If modular sofas use standard elements for manufacturing, then manufacturing cost is reduced, but true modularity and model versatility are limited

Engineering Contradiction:

Improvemanufacturing costVSAvoidmodel modularity

Core Design Contradiction:

Ease of manufactureVSAdaptability or versatility

Solution Approach 1:

The sofa system segments functionality into a standardized base and interchangeable shaping elements. This allows standard manufacturing processes to produce cost-effective components while the modular assembly provides true versatility through different element combinations and arrangements.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The shaping elements are designed to be dynamically reconfigurable - they can be detached and repositioned to create different sofa configurations. This dynamic modularity goes beyond static standardization, allowing the same standardized elements to adapt to various user needs and spatial requirements.

Inventive Principle:

Principle #15Dynamics

3Adaptability or versatility

If shaping elements are made detachable for reconfiguration, then sofa versatility is improved, but structural stability and stress resistance may be compromised

Engineering Contradiction:

Improvesofa reconfigurabilityVSAvoidshaping element stability

Core Design Contradiction:

Adaptability or versatilityVSStrength

Solution Approach 1:

The groove insertion mechanism merges the shaping element with the base structure to form an integrated assembly. The groove geometry and material properties are designed to provide sufficient friction and mechanical interlocking to maintain structural stability and stress resistance during normal use, while still allowing deliberate detachment for reconfiguration.

Inventive Principle:

Principle #5Merging (Combining)

4Adaptability or versatility

If multiple shaping elements are used to extend configuration capacity, then sofa versatility is improved, but device complexity and assembly difficulty increase

Engineering Contradiction:

Improveconfiguration capacityVSAvoidassembly simplicity

Core Design Contradiction:

Adaptability or versatilityVSEase of operation

Solution Approach 1:

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The groove-based insertion system is designed to be self-aligning and tool-free. Users can easily attach and detach shaping elements by simply inserting them into the grooves, making the assembly and reconfiguration process intuitive and simple despite the presence of multiple components.

Inventive Principle:

Principle #25Self-service

Data Source

PatentEP3991605B1Detachable modular sofa

Publication Date: 2023.08.02 FAMA SOFAS

Figure 1~2
Figure 3~4
Figure 5~6

AI summary

The invention describes a detachable modular sofa comprising a platform (1), seats and shaping elements (3), such as backrests and armrests, wherein the sofa comprises a structure (2) intended to be anchored to a base board (12) and to the platform (1), by means of anchoring legs (5), and the shaping elements (3) comprise a groove (9) intended to house the structure (2), so that the sofa is assembled by inserting the anchoring legs (5) of the structure (2) into the drill holes of the base board (12) until the support bars (6) rest on it and, subsequently, inserting the structure (2) into the groove (9) of the shaping element (3) to insert the assembly into holes (4) comprising the platform (1), which provides the configuration with great flexibility and great rigidity to the assembly.