Independent Void-Cell Cushioning for Pressure Point Relief
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Solution Overview
Problem
Conventional cushioning systems lack independence of cells or springs, leading to increased load on specific areas of the body, causing pressure points due to the deformation of adjacent cells or springs, which results in uneven distribution of weight and discomfort.
Innovation Solution
A cellular cushioning system where void cells are decoupled and deform independently within an independent deformation range, using an intermedial binding layer that allows compression of one cell without significantly compressing adjacent cells, thereby distributing load evenly and reducing pressure points.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If cells or springs are directly coupled together or indirectly coupled through unifying layers, then the cushioning system is tied together structurally, but the independence of each cell or spring is reduced leading to increased point loads and pressure points
Solution Approach 1:
The cushioning system is divided into discrete modular units (pouches containing springs or foam elements) that are spaced apart rather than directly coupled. Each pouch acts as an independent cushioning element, allowing localized deformation without affecting adjacent elements, thereby eliminating pressure points while maintaining overall structural integrity through the flexible outer layer.
2Force
If an array of close-coupled closed-cell air and/or water chambers is used, then cushioning is provided, but the chambers are not independent leading to load concentration on specific body areas
Solution Approach 1:
The cushioning system uses discrete pouches spaced at intervals rather than continuous or close-coupled chambers. Each pouch contains cushioning elements (springs or foam) that deform independently under load, distributing force across multiple independent units and preventing load concentration on specific body areas.
Solution Approach 2:
Each pouch is designed with specific local properties (spring constants, foam density) that can be varied to provide appropriate cushioning characteristics at different locations, while the spacing between pouches ensures independent deformation and prevents force transmission to adjacent pouches.
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 system effectively reduces pressure points on the body by allowing individual void cells to compress independently, providing even weight distribution and enhanced comfort by varying resistance to deflection based on load orientation and location.
Implementation Method 1
compression of a void cell in a direction normal to the intermedial binding layer occurs without substantial deflection of at least one adjacent void cell, wherein compression of the void cell is within an independent compression range of the void cell
Data Source
AI summary
A cellular cushioning system includes cells or support units arranged in one or more stacked arrays. The cells are hollow chambers that resist deflection due to compressive forces, similar to compression springs. The arrays are attached to one or more intermedial binding layers. The intermedial binding layer(s) links the cells together while allowing the cells to deform independently of one another. An external load compresses one of the void cells within an independent compression range without significantly compressing at least one void cell adjacent the compressed void cell. The independent compression range is the displacement range of the compressed void cell that does not significantly affect the compression of adjacent void cells. If the void cell is compressed beyond the independent compression range, the intermedial binding layers may be deflected and/or the void cells adjacent the compressed void cell may be compressed.