Flippable Comfort Layer Assembly for Longer-Lasting Mattresses
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Solution Overview
Problem
The one-sided mattress design reduces the lifespan and increases waste disposal, as users cannot flip or replace individual components, leading to premature replacement and environmental impact, while conventional designs lack flexibility in fire barrier selection to meet varying flammability requirements.
Innovation Solution
A mattress design featuring a detachable upper comfort layer assembly with adjustable foams and a yarn-based knitted fire barrier, allowing users to replace worn components and tailor fire barriers to specific regions, reducing waste and meeting flammability standards.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a one-sided mattress design is used to eliminate the need for flipping and reduce manufacturing costs, then ease of operation is improved, but the lifespan of the mattress is reduced and waste disposal increases
Solution Approach 1:
The mattress is divided into two separable components: a reusable support core and replaceable upper comfort layers. This segmentation allows the support core to be retained while only the worn comfort layers are replaced, extending the overall mattress lifespan while maintaining ease of use through simple layer replacement rather than full mattress replacement.
Solution Approach 2:
The design enables recovery and reuse of the support core structure while discarding only the worn upper comfort layers. This selective replacement approach recovers valuable structural components, reducing waste disposal needs while maintaining the operational simplicity of a one-sided mattress design.
2Ease of manufacture
If conventional mattress designs are used with fixed fire barriers, then manufacturing simplicity is maintained, but flexibility in meeting varying flammability requirements is reduced
Solution Approach 1:
The fire barrier functionality is segmented into separate replaceable upper comfort layers that can be customized with different fire barrier materials. This allows the support core to be manufactured simply while the comfort layers are tailored to meet specific flammability requirements, combining manufacturing simplicity with regulatory flexibility.
Solution Approach 2:
Different fire barrier materials and properties can be applied to different regions or layers of the mattress construction. This local quality approach allows optimization of fire protection in specific areas while maintaining overall manufacturing efficiency and meeting varying flammability standards for different mattress zones.
3Reliability
If the entire mattress is replaced when cushioning materials degrade, then reliability is maintained, but loss of substance and waste disposal increase
Solution Approach 1:
The mattress is segmented into permanent support core and replaceable comfort layers. When cushioning materials degrade, only the comfort layers need replacement, not the entire mattress. This maintains sleep quality and reliability while significantly reducing waste disposal of still-functional support structures.
Solution Approach 2:
The support core structure is recovered and reused while only the degraded comfort layers are discarded. This selective replacement strategy maintains reliability by ensuring fresh comfort materials while minimizing substance loss and environmental impact from disposing of intact structural components.
4Adaptability or versatility
If non-homogeneous foams with disparate flammability characteristics are used, then comfort and performance are improved, but uniform fire barrier protection becomes difficult to implement
Solution Approach 1:
The mattress construction is segmented into zones with different foam types for optimized comfort, each zone paired with appropriately matched fire barrier materials. This segmentation allows non-homogeneous foams with disparate flammability characteristics to be used while simplifying fire barrier selection by matching barriers to specific foam zones rather than requiring a single uniform solution.
Solution Approach 2:
Different fire barrier properties are applied to different regions containing different foam types. This local quality approach matches fire barrier protection levels to the specific flammability characteristics of each foam zone, enabling comfort customization with non-homogeneous foams while managing fire barrier complexity through region-specific solutions.
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.