Upholstery systems and methods for forming a curved surface
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Solution Overview
Problem
Furniture with seating and back support surfaces forming a 90-degree angle often has sharp, discontinuous corners where the upholstery is applied separately to each surface, lacking a smooth, continuous, and curved design.
Innovation Solution
An upholstery system comprising planar elements, contoured elements with curved surfaces, and clips that connect fabric sections over these elements to create a continuous, curved surface between seating and back support surfaces, allowing for seamless integration of upholstery across multiple surfaces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If fabric is applied separately to seating and back support surfaces, then manufacturing process is simple, but corner appearance is sharp and discontinuous
Solution Approach 1:
The upholstery system is divided into multiple fabric sections (first fabric section for seating surface, second fabric section for back support surface) that are separately manufactured and then connected via clips at the corner, allowing simple manufacturing of individual sections while achieving a continuous corner appearance
Solution Approach 2:
Clips are introduced as intermediary components to connect the first and second fabric sections at the corner. These clips serve as mediators that join the separately manufactured fabric sections, creating a continuous appearance without requiring complex integrated manufacturing
2Shape
If multiple fabric sections are connected with clips, then continuous fabric appearance is achieved, but manufacturing process becomes more complex
Solution Approach 1:
The clips are pre-positioned on the furniture frame at the corner location before fabric application. The first and second fabric sections are manufactured with pre-formed edges designed to fit over these pre-positioned clips, allowing for straightforward assembly that achieves continuous fabric appearance without complex manufacturing steps
3Shape
If planar elements are used for upholstery, then manufacturing is simple, but curved surface formation is difficult
Solution Approach 1:
The system incorporates contoured elements with curved surfaces that replace traditional planar upholstery elements. These contoured elements are positioned between the first and second fabric sections and are covered by the fabric, enabling the formation of curved surfaces at the corner while maintaining a manageable configuration through standardized component placement
Data Source
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AI summary
An upholstery system for forming a curved furniture surface includes two surfaces that form a corner (154), two planar elements (178, 180) that are each positioned on one of the two surfaces, and a plurality of contoured elements (162a, 162b) positioned between the two planar elements (178, 180) and along the corner (154). Each of the plurality of contoured elements (162a, 162b) includes a curved surface. The system also includes at least one piece of fabric (184) that includes at least three sections, which are connected to each other in a series such that adjacent sections form a connection portion (186). The system further includes a plurality of clips (142) positioned on each of the two surfaces. The at least three sections of the at least one piece of fabric (184) are positioned over the planar elements (178, 180) and the plurality of contoured elements (162a, 162b). The connected portion (186) of adjacent sections of the at least one piece of fabric (184) is connected to the plurality of clips (142).