Modular Plunger Matrix Mattress With Replaceable Support Zones
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Solution Overview
Problem
Conventional mattress designs, whether coil spring or foam core, fail to adequately conform to a person's body contour, leading to pressure points and discomfort, especially when not lying flat, and suffer from limited adjustability and poor airflow.
Innovation Solution
A modular plunger matrix mattress featuring independently movable foam padded plungers that form an array of support points, allowing for customizable firmness and airflow, with plungers that can be replaced or adjusted post-manufacturing to accommodate different support profiles and preferences.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If metal coil springs are used to provide support, then the mattress can conform to body contour to some extent, but pressure points still occur and body contouring is insufficient
Solution Approach 1:
The mattress is divided into multiple independent plunger units arranged in a matrix, where each plunger acts as an independent support element. This segmentation allows each plunger to independently adjust to local body contours, providing more precise conforming capability compared to interconnected coil springs, thereby reducing pressure points while improving overall body contouring.
Solution Approach 2:
The plungers are designed to be independently movable within their respective bores, allowing dynamic adjustment to applied loads. This dynamic capability enables each support point to adapt in real-time to body position and weight distribution, enhancing body contouring responsiveness and eliminating pressure points through continuous adaptation rather than static support.
2Shape
If foam core is used to improve body contour and eliminate pressure points, then comfort improves, but airflow is blocked and body heat is trapped
Solution Approach 1:
The mattress structure incorporates substantial open space between and around the plungers, creating a porous architecture that allows air to flow freely through the mattress core. This porous design maintains excellent body contouring through the foam-padded plungers while simultaneously enabling airflow to carry away body heat, preventing heat trapping that occurs in solid foam cores.
3Shape
If foam core is used to provide support, then body contouring improves, but firmness adjustment becomes difficult
Solution Approach 1:
The mattress is segmented into multiple independent plunger units, each capable of having its firmness characteristics independently adjusted or replaced. This segmentation enables zone-specific firmness adjustment where different regions of the mattress can be customized for different support needs, providing adaptability that cannot be achieved in monolithic foam cores.
Solution Approach 2:
The independently movable plungers with spring mechanisms provide dynamic firmness adjustment capability. Users can adjust the firmness of individual zones by modifying plunger travel limits, spring tension, or plunger configuration, allowing the mattress to adapt to different sleeping positions and preferences without requiring complete mattress replacement.
4Ease of manufacture
If conventional mattress components are used, then manufacturing is straightforward, but components cannot be replaced after fabrication
Solution Approach 1:
The mattress is constructed as an assembly of discrete, modular plunger units that can be independently removed and replaced. Each plunger is a separate component that can be accessed through individual openings in the support surface, enabling targeted replacement of worn or damaged plungers without disturbing other parts of the mattress, thus combining straightforward manufacturing with excellent repairability.
Solution Approach 2:
The standardized plunger design with common components (bore, plunger body, spring, foam padding) creates universal interchangeability across different mattress configurations. This universality allows the same replacement parts to be used across multiple mattresses and enables easy repair while maintaining manufacturing efficiency through standardized production processes.
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 modular design significantly improves body contouring and comfort by providing a wide range of customizable support zones and substantial airflow, addressing the limitations of traditional mattresses.
Implementation Method 1
Each plunger includes a spring element that propels the plunger upward and a dampening element that allows the plunger to move downward in response to applied weight.
Implementation Method 2
Each plunger includes a spring element that propels the plunger upward and a dampening element that allows the plunger to move downward in response to applied weight.
Data Source
AI summary
A modular mattress includes several plunger matrix sections that each have a respective plunger matrix support platform. The several sections are configured for side-to-side assembly to form the complete matrix for the mattress. A foldable edge frame snugly receives and houses the plunger matrix sections in side-to-side relation. The edge frame also defines a flange on an internal surface of the edge frame that supports plunger matrix sections in side-to-side relation in a position allowing the plungers to move up and down within an internal space defined by the edge frame. A top pad lays on top of the edge frame and the plunger, while a cover configured encapsulates the edge frame, the plunger matrix, and the top pad into a self-contained mattress unit.