Lift-up bed structure with retractable seat support
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Solution Overview
Problem
Conventional lift-up beds lack a seamless mechanism for transitioning between a raised position with a retractable seat and a stretched-out position with a usable mattress, often requiring complex and cumbersome adjustments.
Innovation Solution
A lift-up bed structure featuring a fixed framework with a pivoting framework that pivots on a transverse axis, combined with a mobile support that moves between high and low positions, utilizing guiding means and link mechanisms to synchronize the pivoting framework's position with the mobile support's displacement, allowing for efficient conversion between mattress and seat configurations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a mobile support with retractable seat is added to conventional lift-up beds, then adaptability and versatility are improved, but device complexity increases
Solution Approach 1:
The patent combines the mobile support with retractable seat functionality directly into the existing lift-up bed structure. The mobile support integrates the seat mechanism, guiding means, and link means into a unified assembly that moves with the pivoting framework, eliminating the need for separate adjustment mechanisms and reducing overall system complexity while maintaining versatility.
Solution Approach 2:
The mobile support is designed to perform multiple functions: it provides the retractable seat mechanism, guides the movement of the pivoting framework, and links the mobile framework to the fixed framework. This multi-functional design allows a single component to address multiple requirements, improving adaptability without proportionally increasing complexity.
2Ease of operation
If guiding means and link means are implemented to synchronize mobile support movement, then ease of operation is improved, but device complexity increases
Solution Approach 1:
The guiding means and link means are designed to automatically synchronize the movement of the mobile support with the pivoting framework without requiring external control or manual adjustment. As the pivoting framework moves, the link means automatically drives the mobile support along its guided path, making the system self-regulating and easy to operate while keeping the control mechanism simple.
Solution Approach 2:
The link means acts as an intermediary mechanism that translates the movement of the pivoting framework into corresponding movement of the mobile support. This intermediary connection simplifies the control architecture by providing a direct mechanical coupling that automatically coordinates the two moving parts without requiring complex control systems.
3Volume of moving object
If the mobile support extends below and at a distance from the pivoting framework in retracted position, then space efficiency is improved, but manufacturing precision requirements increase
Solution Approach 1:
The mobile support is designed with dynamic positioning capabilities through the guiding means that allow it to extend to optimized positions during retraction. The guiding grooves and rollers enable the mobile support to reach positions below and at a distance from the pivoting framework, maximizing space efficiency. The dynamic adjustment capability compensates for manufacturing tolerances, reducing the stringency of precision requirements.
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
Enables smooth and space-efficient transitions between mattress and seat positions, enhancing usability and reducing the need for additional support structures, as the bed remains self-supporting and adaptable without requiring floor fixation.
Implementation Method 1
a pivoting framework capable of supporting bedding, mounted to pivot on a transverse pivoting axis in such a way that the pivoting framework can pivot between a horizontal position stretched out forward and a rear vertical raised position
Implementation Method 2
The guiding means can comprise guides mounted on the fixed framework and rollers or runners mounted on the mobile support and cooperating with the guides
Implementation Method 3
The link means between the pivoting framework and the mobile support can comprise at least one arm articulated on the one hand on the pivoting framework and on the other hand on the mobile support
Data Source
AI summary
A lift-lip bed structure comprising: a fixed frame (2); a pivoting frame (5) capable of supporting bedding, mounted pivoting about a transverse pivot axis (6) such that the pivoting frame can pivot between a horizontal position extending forwards and a rear vertical raised position; and a movable support (23) capable of supporting a seat, mounted movable on the fixed frame (2) such that the movable support (23) can be moved between a high advanced position and a low retracted position in which it is lower than in the high advanced position; the movable support (23), in the advanced position, extending at least partially forward of the pivoting frame (5), in the raised position, and the movable support (23), in the retracted position, extending at least partially below and at a distance from the pivoting frame (5), in the extended position.