Mattress with user adjustable comfort features
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Solution Overview
Problem
The one-sided mattress design reduces the lifespan of mattresses, leading to increased waste and maintenance costs, as users cannot access or replace the interior components, and the conventional fire barrier design is inefficient due to its universal application, not accounting for disparate flammability characteristics of different materials.
Innovation Solution
A mattress design featuring a detachable upper comfort layer assembly and a plurality of fire barriers, allowing users to replace worn components and tailor fire barrier selection to specific regions based on flammability, reducing waste and enhancing fire safety.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a one-sided mattress design is used to simplify manufacturing and reduce costs, then manufacturing complexity is reduced, but the mattress lifespan is shortened and waste increases because users cannot access or replace interior components
Solution Approach 1:
The mattress is divided into distinct modular components: a base layer, comfort layers, and a fire barrier layer. Each layer can be independently accessed and replaced through the detachable cover system, allowing users to extend mattress lifespan by replacing only worn components rather than the entire mattress.
Solution Approach 2:
The fire barrier is designed as a flexible, adaptable component that can be selectively applied to different regions of the mattress based on flammability requirements. The detachable cover system enables dynamic access to interior components, transforming the mattress from a static, non-serviceable product to one that can be maintained and extended over time.
2Reliability
If a universal fire barrier design is applied to all mattress regions, then fire safety compliance is achieved, but fire barrier efficiency is reduced due to over-protection of low-risk areas and under-protection of high-risk areas
Solution Approach 1:
Different regions of the mattress are assigned different fire barrier requirements based on their specific flammability risks. High-risk areas such as those containing latex foam or high-density polyurethane receive enhanced fire barrier protection, while lower-risk areas use standard protection levels, optimizing both safety and resource efficiency.
Solution Approach 2:
The fire barrier design allows for variation in barrier thickness, material composition, and placement density according to the specific flammability characteristics of each mattress region. This parameter-based approach enables tailored fire protection that complies with safety standards while avoiding unnecessary material usage in low-risk areas.
3Ease of manufacture
If conventional fire barrier materials are used without considering material-specific flammability characteristics, then manufacturing simplicity is maintained, but fire barrier effectiveness is reduced
Solution Approach 1:
The mattress construction specifies different fire barrier material types and thicknesses for different regions based on the flammability characteristics of the underlying foam materials. Latex-containing regions receive halogen-free fire barriers, while polyurethane regions use appropriate fire-retardant treatments, ensuring optimal fire protection for each material type.
Solution Approach 2:
The fire barrier system uses composite material constructions that combine different fire-retardant materials and treatments to address the specific flammability properties of various foam types. This multi-material approach enhances fire barrier effectiveness while maintaining manufacturability through standardized assembly processes.
Data Source
AI summary
A mattress wherein a plurality of independent yarn based fire barrier fabrics encases a plurality of distinct and unattached interior core structures. The plurality of interior core structures include at least a detached and internally flippable upper comfort layer assembly with a plurality of non-homogeneous foams or filling materials encased in a yarn-based fire barrier fabric and a lower, interiorly disposed support core structure with resilient filling materials encased in a yarn-based fire barrier fabric and a fabric cover. The detachable and internally flippable upper comfort layer assembly may be contained in a user accessible compartment that is fashioned into an outer cover assembly.