Articulating Bed Lumbar Support and Neck Angle Adjustment
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Solution Overview
Problem
Articulating beds often cause lumbar strain due to curved posture when both upper body and leg positioning elements are elevated, and existing adjustment systems either damage or interfere with the mattress or have complex, unsightly actuation mechanisms for head angle adjustments.
Innovation Solution
An articulating bed system with a support frame incorporating a pivotally attached actuator and torque tube for lumbar support adjustment and a separate actuator for neck angle adjustment, using a cylindrical interface to minimize mattress interference and simplify actuation, allowing for smooth and aesthetically integrated adjustments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If lumbar support adjustment elements are added to articulating beds, then lumbar strain is reduced, but the mattress may be repositioned, strained or damaged
Solution Approach 1:
A cylindrical interface element is introduced as an intermediary between the lumbar support adjustment mechanism and the mattress. This cylindrical interface distributes the adjustment forces evenly across the mattress surface, preventing localized strain or damage while still providing effective lumbar support adjustment.
Solution Approach 2:
The adjustment mechanism uses a cylindrical interface that changes the distribution parameters of force application. By transitioning from point-contact adjustment to distributed cylindrical contact, the system maintains mattress integrity while achieving lumbar support adjustment.
2Ease of operation
If head angle adjustment systems are added to articulating beds, then head and neck positioning is improved, but the actuation mechanisms become complicated or unsightly
Solution Approach 1:
The head angle adjustment actuation mechanism is merged with the existing upper body positioning element structure. The actuator is integrated into the articulating bed frame rather than being added as a separate external component, simplifying the overall system and improving aesthetics while maintaining full head and neck positioning capability.
Solution Approach 2:
The actuation mechanism serves multiple functions: it provides both head angle adjustment and integrates with the upper body positioning system. This multi-functionality reduces the need for separate dedicated actuators, simplifying the overall actuation system.
3Ease of operation
If both upper body and leg positioning elements are elevated, then sitting position is achieved, but lumbar positioning becomes curved causing strain
Solution Approach 1:
The lumbar support is segmented as an independent adjustable element separate from the main upper body and leg positioning systems. This allows the lumbar region to be adjusted independently to maintain proper spinal alignment even when the upper body and legs are elevated in sitting positions.
Solution Approach 2:
The lumbar support element is made dynamically adjustable, allowing users to modify lumbar positioning in real-time based on their specific needs and body position, rather than being fixed relative to the upper body support structure.
Data Source
AI summary
An articulating bed incorporates a support frame having an upper body support section. A lumbar actuation lever extends from a rotatable torque tube with angle arms extending from the torque tube to a lumbar support element. The lumbar support element is retracted against the upper body support section creating minimal deflection in a lumbar region of a mattress. The torque tube is rotated with to elevate the lumbar support element. A head support bracket is mounted to a neck angle adjustment section. The neck angle adjustment section is aligned with the upper body support section. or rotated about hinge elements to provide an angled head and neck position with respect to the upper body support section.