Adjustable support legs for a mattress foundation
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Solution Overview
Problem
Existing mattress foundations lack adjustable support legs that can independently change the elevation of the foundation frame relative to the ground, limiting user comfort and accessibility, especially in healthcare and residential applications where adjustable positions are necessary.
Innovation Solution
The mattress assembly features a foundation frame with adjustable support legs coupled to corner brackets, utilizing a motorized linear actuator to selectively retract and extend, allowing for independent adjustment of the foundation's height, enabling the foundation to be elevated or lowered to various positions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If fixed height support legs are used, then the foundation frame structure is simple, but user comfort and accessibility are limited
Solution Approach 1:
The support legs are transformed from fixed to dynamically adjustable through motorized linear actuators. Each support leg incorporates an actuator that can independently change the elevation of the foundation frame, allowing the system to adapt to different user needs and positions while maintaining structural integrity.
Solution Approach 2:
The support leg system is divided into independent adjustable units at each corner of the foundation frame. Each support leg with its motorized actuator operates independently, allowing selective adjustment of different portions of the foundation to achieve desired positioning for comfort and accessibility.
2Ease of operation
If adjustable support legs with motorized actuators are added, then user comfort and accessibility are enhanced, but device complexity increases
Solution Approach 1:
The motorized linear actuators enable the support legs to automatically adjust the foundation frame elevation without requiring manual intervention. The system can be controlled to move the foundation to desired positions independently, enhancing ease of operation while the modular design keeps component complexity manageable.
Solution Approach 2:
The motorized linear actuators serve multiple functions: they provide height adjustment, enable positioning for different user needs, and can facilitate easy ingress and egress. This multi-functionality justifies the added complexity by delivering comprehensive operational ease across various use cases.
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
This solution provides enhanced user comfort and accessibility by allowing the mattress to be adjusted to different positions, facilitating easier ingress and egress and accommodating various user needs, whether in healthcare or residential settings.
Implementation Method 1
a motorized linear actuator coupled to the outer tubular member, the motorized linear actuator including a motor and an extendible portion coupled to the motor, wherein the extendible portion is configured to selectively retract from and extend through the end cap to change the elevation of the foundation frame relative to ground
Data Source
AI summary
Mattress assemblies including static and adjustable mattress foundations generally include a foundation frame including side frame members and transverse frame members attached at respective ends by a corner bracket at each of the respective ends to define a generally rectangular shape. An adjustable support leg coupled to each one of the corner brackets for automatically elevating the foundation frame relative to ground. The adjustable support leg can include an outer tubular member fastened to an interior facing portion of the corner bracket including an end cap, wherein the end cap includes an aperture. A motorized linear actuator can be coupled to the outer tubular member, which can include a motor and an extendible portion coupled to the motor. The extendible portion is configured to selectively retract from and extend through the end cap to change the elevation of the foundation frame relative to ground.