Adjustable foundation
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Solution Overview
Problem
Current adjustable mattress assemblies often lack the ability to accommodate two prone users comfortably, with limited adjustability and lumbar support, which can lead to discomfort and the need for users to shift positions during changes in bed configuration.
Innovation Solution
An adjustable mattress assembly with a foundation frame and mattress support surface that includes hinged sections and actuators, allowing for independent adjustment of the head and back, intermediate seat, and leg and foot sections, along with movable lumbar support members that can pivot and provide adjustable lumbar support for each user, enabling the bed to be customized for two users.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If the bed is designed to accommodate two prone users, then the mattress support surface area is increased, but the device complexity increases due to additional actuators and linkage assemblies
Solution Approach 1:
The patent applies universality by designing a single adjustable foundation structure that can accommodate two prone users simultaneously, with each user experiencing independent adjustability through shared actuators and linkage assemblies that control both sides of the mattress support surface
Solution Approach 2:
The mattress support surface is segmented into multiple sections (head and back section, intermediate seat section, leg and foot section) that can be independently adjusted, allowing each user to customize their position while sharing the overall foundation structure
2Adaptability or versatility
If lumbar support members are made movable and independently adjustable, then the adaptability for user comfort is improved, but the device complexity increases due to additional actuators and hinged connections
Solution Approach 1:
The lumbar support members are designed as movable, dynamically adjustable components that can pivot upwardly relative to the head and foot section plane, allowing real-time adaptation to user comfort needs through actuators that enable independent positioning
Solution Approach 2:
The lumbar support members provide localized adjustability at specific regions (lumbar area) of the mattress, with each member independently controllable to offer targeted support quality without requiring adjustment of the entire mattress support surface
3Adaptability or versatility
If the intermediate seat section length is made adjustable, then the adaptability for different user positions is improved, but the device complexity increases due to additional actuators and linkage mechanisms
Solution Approach 1:
The intermediate seat section is designed with adjustable length through hinged connections between first and second portions, allowing dynamic reconfiguration of the seat section length to accommodate different user positions and preferences
Data Source
AI summary
An adjustable foundation and process includes a mattress support surface including a head and back section hingedly connected to an intermediate section at one end and a leg and foot section hingedly connected to the intermediate section at another end, wherein the intermediate section includes a first portion and a second portion, wherein the first portion is hingedly connected to the head and back section and the second portion is hingedly connected to the leg and foot section. The intermediate or seat section is configured to increase in length upon articulation of the head and back section and/or the leg and foot section from a flat position or an increase in inclination of any section. Likewise, the intermediate or seat section is configured to decrease in length upon articulation of the head and back section and/or the leg and foot section from an inclined position to a flat position or a decrease in length upon declination of any section. By doing so, a prone user does not have to shift his position on the mattress in order to accommodate the inclination or declination.