Convertible Bench Structure With Pivoting Bed Extensions
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Solution Overview
Problem
Conventional convertible sofa beds are heavy and require significant effort to convert, making them difficult to move or transport, and lack the versatility to replace additional furniture pieces in limited living spaces.
Innovation Solution
The design features an elongate central bench section with pivotally attached lateral extension sections that can independently swing out to form a bed frame, supported by extendable legs for stability, and includes removable mattresses that can be stored when not in use, allowing for configurations as a bed, bench, or chaise, with structural components made of load-bearing materials like cedar wood.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a heavy-duty frame is used to achieve convertible functionality between bed and couch positions, then the furniture provides versatility and structural stability, but the furniture becomes heavy and requires arduous effort to convert, making it difficult to move or transport
Solution Approach 1:
The furniture is divided into separate functional modules: a stationary bench section and two lateral extension sections that can be independently pivoted. This segmentation allows the bed functionality to be achieved by extending only the necessary portions rather than moving the entire heavy frame, reducing the effort required for conversion while maintaining structural stability through the stationary support members.
2Stability of the object's composition
If a heavy-duty frame is used to achieve convertible functionality between bed and couch positions, then the furniture provides structural stability, but the furniture requires arduous effort to effect conversion
Solution Approach 1:
The conversion mechanism is segmented into independent lateral extension sections that pivot on hinge attachments to the stationary bench section. This allows conversion to be achieved by moving only the extension sections rather than the entire frame, significantly reducing the effort required while the stationary support members maintain structural stability throughout the conversion process.
Solution Approach 2:
The lateral extension sections are designed with pivotal attachments that allow dynamic movement between retracted and extended positions. This dynamic design enables easy conversion through simple pivoting motion while the stationary support members provide stable support in both configurations, eliminating the need for heavy-duty fixed frames.
3Adaptability or versatility
If conventional sofa bed design is used to provide bed and couch functionality, then the furniture achieves versatility, but it occupies significant living space and requires dedicated furniture spaces
Solution Approach 1:
The furniture occupies a compact footprint when the lateral extension sections are retracted against the bench section, eliminating the need for dedicated bed space. When bed functionality is needed, only the necessary extension sections are pivoted outward, allowing the furniture to transform from a space-efficient bench to a full bed without requiring permanent allocation of living space for either function.
4Adaptability or versatility
If additional furniture pieces are used to replace functionality in limited living spaces, then the furniture provides comprehensive functionality, but it increases the number of furniture items occupying living space
Solution Approach 1:
A single furniture piece incorporates multiple functions: the stationary bench section provides seating, while the pivoting lateral extension sections enable the same piece to function as a full bed when extended. This multi-functionality eliminates the need for separate bench and bed furniture items, reducing the quantity of furniture needed in limited living spaces while maintaining comprehensive functional capability.
Data Source
AI summary
The convertible furniture includes an elongate central bench section. A subframe is provided having an elongate planar member with load-bearing upright support members supporting arm rests or back rests extending upward at opposite ends of the elongate planar member. The central bench section is disposed atop the upright support members. Two lateral extension sections are pivotally attached to opposite edges of the bench section so that the lateral extension sections independently swing out from the central bench section to define a bed frame. Each of the lateral extension sections includes extendable support legs, which provide stability to the respective lateral extension section when extended to the bed frame configuration. Removable mattresses are provided for each section of the furniture. The mattresses are stored on the subframe and hidden from view when the extension sections are retracted. Placing a mattress on the bench section converts the bench to a chaise.