Adjustable Bed Frame With Eccentric Beam Height Locking
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Solution Overview
Problem
Existing bed systems fail to adapt orthopaedic support to changes in the human body over time, often resulting in unstable or incorrectly installed mattress supporting structures due to cumbersome height adjustment mechanisms and a large number of possible height positions, leading to incorrect advice and increased risk of instability.
Innovation Solution
A mattress supporting system with a multi-angular rotatable transverse beam and a modular height adjustment system that allows for limited height adjustments via a rotation imparting member accessible from outside the frame, reducing the risk of returning to a previous position and providing stable support by blocking the beam in a desired height position without additional slats, thus ensuring proper orthopaedic advice.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a continuous shaft with multiple height positions is used for height adjustment, then adaptability to body changes is improved, but device complexity and risk of incorrect installation increase
Solution Approach 1:
The continuous shaft is segmented into discrete height positions by providing individual blocking members for each position. Each blocking member can be independently engaged to lock the shaft at a specific height, transforming a continuous adjustment mechanism into a segmented one with controlled positions. This reduces complexity by limiting the number of possible positions while maintaining adaptability.
Solution Approach 2:
Blocking members are introduced as intermediary elements between the shaft and the height adjustment mechanism. These blocking members act as mediators that selectively permit or prevent movement to specific height positions, simplifying the control system while preserving adaptability to different body profiles.
2Adaptability or versatility
If multiple transverse beams are made rotatable for height adjustment, then orthopaedic support is improved, but stability under dynamic loads deteriorates
Solution Approach 1:
Blocking members are positioned to prevent unintended rotation of the transverse beams before dynamic loads can cause instability. By pre-locking the beams at desired heights, the system counteracts potential instability caused by body movements during sleep, maintaining both adjustability and stability.
3Adaptability or versatility
If height adjustment means are installed in the outer frame, then height adaptability is improved, but manufacturing cost and device complexity increase
Solution Approach 1:
The height adjustment system is segmented into modular components: the outer frame with integrated blocking members and the transverse beams with rotation capability. This segmentation allows for standardized manufacturing of individual components that can be assembled together, reducing overall manufacturing complexity and cost while maintaining height adaptability.
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 provides stable and adjustable orthopaedic support by limiting height positions, reducing the risk of incorrect installation, and maintaining stability under dynamic loads, while allowing for easy replacement of damaged parts and cost-effective manufacturing.
Implementation Method 1
at least one of said transverse beams being a multi-angular transverse beam having a plurality of transverse beam sides and being rotatable about an eccentric rotation axis
Implementation Method 2
a rotation imparting member which is accessible from outside the outer frame along a longitudinal side of the outer frame and which is provided for imparting a rotation to said at least one rotatable transverse beam about its eccentric axis
Data Source
Figure 1A~2B
Figure 3
Figure 4~5
AI summary
The present invention relates to a bed system which comprises a mattress supporting structure (1). The bed system comprises a height adjustment system which comprises at least one rotatable multi-angular transverse beam (7) comprising a plurality of transverse beam sides (8, 9, 10, 11) and an eccentric rotation axis (12) which is accessible from outside said outer frame (21). The height adjustment system further comprises a rotation imparting member (14) which is accessible from outside the outer frame (2) and provided for rotating said at least one rotatable transverse beam (7) about its eccentric axis (12). Said rotation imparting member (14) is displaceable between a first and a second position. The first position is provided for rotating said at least one rotatable transverse beam (7) about its eccentric axis (12) and said second position is provided for blocking said at least one rotatable transverse beam (7) in a desired height position with respect to said outer frame (2).