Adjustable bed
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Solution Overview
Problem
Conventional beds are fixed in size and require professional installation, limiting user-adjustable comfort and ease of assembly, and do not allow for size changes.
Innovation Solution
An adjustable bed system with power-driven lifting assemblies, including side rails, lifting actuators, and a controller, that allows for adjustable back and leg positions and bed size modifications through detachable rails and rotatable platforms.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional beds are made with fixed size and structure, then manufacturing and installation are simplified, but user comfort and adaptability are reduced
Solution Approach 1:
The bed is divided into modular components including side rails, end rails, platforms, and lifting assemblies that can be independently assembled and configured. The side rails can be detached and reconfigured to create different bed sizes (twin, full, queen, king), allowing the bed structure to be segmented into interchangeable parts that simplify both manufacturing and user assembly while providing size adaptability.
Solution Approach 2:
The bed incorporates power-driven lifting assemblies with actuators that enable dynamic adjustment of platform positions for back and leg elevation. This dynamic capability allows the bed to transition between multiple configurations (flat, elevated, zero-gravity positions) without requiring a completely different structure for each position, thus providing versatility while maintaining a relatively simple base structure.
2Ease of operation
If conventional beds require professional installation, then assembly reliability is improved, but assembly time and cost increase
Solution Approach 1:
The bed is designed with clearly segmented modular components (side rails, end rails, platforms, lifting assemblies) that can be easily identified and assembled in a standardized sequence. Each module has defined connection points and interfaces that guide proper assembly, enabling users to assemble the bed without professional help while maintaining assembly reliability through consistent design standards.
Solution Approach 2:
The bed incorporates self-aligning connection mechanisms and user-friendly attachment interfaces that guide proper assembly without requiring specialized tools or expertise. The modular design with standardized connection points allows users to independently assemble and disassemble the bed, making the system self-servicing while maintaining assembly reliability through intuitive design.
3Adaptability or versatility
If bed components are integrated as a single unit, then structural stability is improved, but flexibility for size changes is reduced
Solution Approach 1:
The bed is divided into modular components (side rails, end rails, platforms, lifting assemblies) that can be independently assembled and configured. The side rails can be detached and reconfigured to create different bed sizes while maintaining structural integrity through standardized connection mechanisms. This segmentation allows flexibility for size changes without compromising stability when properly assembled.
Solution Approach 2:
The modular components are designed to combine into stable configurations through standardized interfaces and connection mechanisms. When assembled, the separate modules merge into a unified structure that provides structural stability equivalent to traditional integrated beds, while retaining the ability to be disassembled and reconfigured for different sizes and configurations.
4Ease of operation
If lifting mechanisms are manually operated, then device complexity is reduced, but user comfort and ease of adjustment are reduced
Solution Approach 1:
The manual mechanical lifting mechanism is replaced with power-driven actuators (electric motors) that automatically adjust platform positions. This substitution eliminates the need for manual cranks, levers, or cables, providing ease of operation through simple button or remote control input while accepting the added complexity of electrical components and control systems.
Solution Approach 2:
The power-driven lifting assemblies incorporate self-regulating mechanisms that automatically position the platforms at desired elevations without requiring continuous user intervention. The actuators include position sensors and control systems that maintain stable positions and prevent over-travel, providing ease of operation while managing system complexity through automated control.
Data Source
AI summary
An adjustable bed system includes a pair of side rails transversely spaced, longitudinally aligned and arranged parallel to each other; and a pair of lifting assemblies attached respectively to the pair of side rails for operably adjusting positions of at least one part of a bed. Each lifting assembly comprises a back lifting arm and a leg lifting mechanism; a bracket; and a back lifting actuator and a leg lifting actuator received in the bracket. Each actuator includes an activation member and a motor member engaged with the activation member for driving the activation member. The activation member of the back lifting actuator is engaged with the back lifting arm for operably adjusting the back lifting arm at desired back positions. The activation member of the leg lifting actuator is engaged to the leg lifting mechanism for operably adjusting the leg lifting mechanism at desired leg positions.


