Extendable sofa
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Solution Overview
Problem
In small living and commercial spaces, there is a need for multifunctional furniture solutions that efficiently utilize space while providing flexible seating options without occupying excessive room when not in use.
Innovation Solution
An extendable sofa design featuring a frame that can collapse and extend length-wise, incorporating a seat support, back-support, and cushion storage compartment, allowing for the addition of auxiliary cushions to increase seating capacity as needed, with telescoping frame members and storage compartments for versatile use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If the sofa is designed with fixed size to provide adequate seating capacity, then seating comfort is improved, but space utilization deteriorates
Solution Approach 1:
The sofa incorporates a telescopic frame mechanism that allows the seating structure to dynamically change its length between extended and retracted positions. This dynamic adjustment enables the sofa to provide adequate seating capacity when extended while minimizing its footprint when retracted, effectively resolving the contradiction between seating comfort and space utilization.
Solution Approach 2:
The sofa is divided into modular components including telescopic frame segments, removable cushions, and separable sections. This segmentation allows the seating capacity to be adjusted by configuring the number of cushions and the extension state of frame segments, enabling the user to optimize between seating comfort and space occupation based on actual needs.
2Area of stationary object
If the sofa is designed to be compact to save space, then space utilization is improved, but seating capacity deteriorates
Solution Approach 1:
The telescopic frame mechanism enables the sofa to transition from a compact retracted state with minimal footprint to an extended state with increased seating capacity. This dynamic transformation allows the same furniture piece to satisfy both space-saving requirements and adequate seating needs at different times.
Solution Approach 2:
The sofa serves multiple functions: it can be configured as a compact storage piece when retracted and as a full-sized seating solution when extended. The removable and reconfigurable cushions further enhance this multi-functionality, allowing the same base structure to adapt to different seating capacity requirements.
3Device complexity
If the sofa is designed with fixed configuration to simplify structure, then device complexity is reduced, but adaptability deteriorates
Solution Approach 1:
The sofa structure is segmented into a telescopic frame base and separate removable cushions. This segmentation simplifies the core mechanical structure while allowing flexible reconfiguration of seating arrangements by adding, removing, or repositioning cushion elements, thereby maintaining both structural simplicity and high adaptability.
Solution Approach 2:
The telescopic frame provides a dynamic base structure that can adjust its length, while the removable cushions provide dynamic configuration options. This combination maintains relatively simple mechanical components while achieving high versatility in seating arrangements and space occupation.
Data Source
AI summary
There is disclosed an extendable sofa comprising a frame having a seat support portion, a back-support portion, and a cushion storage compartment, wherein the frame is adapted to extend and collapse length-wise between a collapsed configuration and an extended configuration. A primary seat cushion adapted to rest upon the seat support portion of the frame when in the frame is in the collapsed configuration. An auxiliary seat cushion adapted to be stored in the cushion storage compartment when the frame is in the collapsed configuration and adapted to rest upon the seat support portion when the frame is in the extended configuration. At least one primary back cushion adapted to rest against the back-support portion of the frame when the frame is in the collapsed configuration. At least one auxiliary back cushion adapted to be stored in the cushion storage compartment when the frame is in the collapsed configuration and adapted to rest against the back-support portion when the frame is in the extended configuration.