Multi-zone mattress
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Solution Overview
Problem
Existing multi-zone mattresses do not effectively integrate multiple sections of varying firmness profiles across different layers to provide optimal support and comfort, as they lack a systematic construction method that ensures consistent firmness differences between zones.
Innovation Solution
A multi-zone mattress design comprising a top layer, intermediate layer, and bottom layer with distinct sections of different firmness profiles, where each layer includes proximal, middle, and distal sections separated by interior and exterior sections, forming discrete zones with varying firmness profiles to provide cooperative support and comfort.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple sections of varying firmness profiles are integrated across different layers, then support and comfort are enhanced, but construction complexity increases
Solution Approach 1:
The mattress is divided into multiple discrete zones (head, torso, leg regions) with distinct firmness profiles. Each zone is constructed with specific combinations of coil spring densities and foam layer configurations, allowing independent optimization of support characteristics for different body regions while maintaining systematic construction through standardized zone modules.
Solution Approach 2:
Different sections of the mattress incorporate varying densities of coil springs and different types of foam materials (memory foam, polyfoam, latex) in specific locations. The head region uses higher coil density for support, the torso zone uses medium density with memory foam for pressure relief, and the leg region uses lower density for comfort, creating locally optimized firmness profiles throughout the mattress structure.
2Adaptability or versatility
If discrete zones with different firmness are created, then support optimization is improved, but manufacturing precision requirements increase
Solution Approach 1:
The mattress construction uses clearly defined zone boundaries separated by border fabrics and distinct coil spring sections. Each zone is manufactured as a discrete module with standardized dimensions, making it easier to maintain precise boundaries during assembly. The use of separate pocketed coil sections for each zone ensures clear demarcation without requiring complex blending transitions.
Solution Approach 2:
The coil spring sections and foam layers are pre-configured into zone-specific modules before final mattress assembly. Pocketed coils are pre-sorted by density and pre-assembled into zone-appropriate sections, and foam layers are pre-cut to match zone boundaries. This preliminary preparation ensures precise zone differentiation is achieved during manufacturing without requiring complex real-time adjustments.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The mattress achieves enhanced support and comfort by ensuring consistent firmness differences across zones, improving overall sleeping experience through the strategic arrangement and construction of resilient materials and coil springs in each layer.
Implementation Method 1
A multi-zone mattress comprising a top layer, an intermediate layer and a bottom layer assembled together to form the multi-zone mattress wherein the top layer comprises an outer panel and an inner backing having a panel of resilient material disposed therebetween
Data Source
AI summary
A multi-zone mattress comprising a top layer, an intermediate layer and a bottom layer disposed in substantially parallel relationship relative to each other including a first plurality of zones each having a first firmness profile to support a person thereon separated by a second plurality of zones each having a second firmness profile less than the firmness of the first firmness profile of the first plurality of zones, the first plurality of zones and the second plurality of zones each cooperatively formed by corresponding sections of the top layer, intermediate layer and bottom layer disposed in substantially parallel alignment relative to each other.


