Modular sofa

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Solution Overview

Problem

Modular sofas face limitations in modularity due to fixed spatial relationships between base and side components, leading to constraints in configuration, particularly in accommodating user comfort and space adjustments, as users may find standard configurations too narrow or shallow.

Innovation Solution

The design introduces a modular sofa system where base and side components have adjustable spatial relationships, allowing for configurations that can switch between standard and deep seating depths, with interchangeable components and additional base depth extensions to enhance seating comfort and flexibility.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If base and side components have fixed spatial relationships, then manufacturing and assembly are simplified, but configuration flexibility and user comfort are limited

Engineering Contradiction:
Improveconfiguration flexibilityVSAvoidspatial relationship complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The sofa is divided into separate base components and side components that can be independently configured. Each component maintains its own structural integrity while allowing flexible spatial arrangements, enabling multiple seating configurations without requiring complex integrated designs.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The spatial relationships between base and side components are made adjustable rather than fixed. Users can modify the depth and arrangement of components to create different seating depths and configurations, transforming the sofa from a static to a dynamic system that adapts to user needs.

Inventive Principle:
Principle #15Dynamics

2Ease of operation

If standard sofa depth is used, then transportation costs are reduced, but user comfort for deep seating needs is compromised

Engineering Contradiction:
Improveuser comfortVSAvoiddimensional weight
Core Design Contradiction:
Ease of operationVSWeight of moving object

Solution Approach 1:

The base is segmented into multiple depth extensions that can be added or removed. This allows the sofa to be transported in a compact standard depth configuration while enabling users to assemble deeper seating arrangements at home by adding extension components, thus avoiding excessive dimensional weights during shipping.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The sofa depth is made variable along the length dimension by adding or removing base depth extensions at different positions. This dimensional flexibility allows the same component set to serve multiple depth requirements without proportionally increasing transportation weight, as extensions are added only where needed.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

3Adaptability or versatility

If modular components are made interchangeable, then reconfiguration capability is enhanced, but assembly complexity increases

Engineering Contradiction:
Improvereconfiguration capabilityVSAvoidassembly complexity
Core Design Contradiction:
Adaptability or versatilityVSEase of manufacture

Solution Approach 1:

Side components are designed with universal interfaces that allow them to be interchangeably attached to different base components. The same side component can serve multiple functions and positions, reducing the total number of unique parts needed while maintaining high reconfiguration capability through standardized connection mechanisms.

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

Data Source

PatentUS11849851B1Modular sofa
Publication Date: 2023.12.26 GRAFITI HOME INC
  • US11849851B1 patent drawing
  • US11849851B1 patent drawing
  • US11849851B1 patent drawing

AI summary

A furnishing having a horizontally oriented base component, a base depth extension, and a vertically oriented side component is disclosed. The base depth extension having a front surface coupled to the horizontally oriented base component and a back surface that is substantially parallel to the front surface. The vertically oriented side component is coupled to the back surface of the base depth extension.