Side-Sleeping Crib Wall Return System for Automatic Safety Lock
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Solution Overview
Problem
Existing bed-side cribs face safety issues due to the movable wall accidentally dropping when the crib is far from a bed, potentially causing a baby to fall outside if not properly secured.
Innovation Solution
A return system that automatically raises the movable bar to the upper position when the crib is far from a bed, utilizing a constraint element secured to the bed to prevent unintended movement and ensure the movable bar remains in the desired position.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the movable wall is designed to be droppable to allow side-sleeping with parents, then ease of operation is improved, but safety deteriorates when the crib is far from a bed
Solution Approach 1:
The system dynamically changes the state of the movable wall based on the crib's position. When near a bed, the wall can be dropped for side-sleeping access. When far from a bed, the return system automatically returns the wall to the raised position, making the system adaptive to different operational contexts and eliminating the safety hazard when not needed.
Solution Approach 2:
The return system provides automatic feedback control by monitoring the crib's position relative to a bed and automatically returning the movable wall to the raised position when the crib is far from a bed. This closed-loop control ensures the wall is only in the dropped position when actually needed for side-sleeping, preventing accidental drops and enhancing safety.
2Adaptability or versatility
If the movable wall can be freely moved between raised and dropped positions, then adaptability is improved, but reliability deteriorates due to accidental drops
Solution Approach 1:
The system provides full adaptability when needed (crib near bed) but automatically constrains movement when not needed (crib far from bed). The return system dynamically adjusts the degree of freedom of the movable wall based on operational context, maintaining versatility while preventing unreliable accidental drops.
Data Source
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AI summary
A crib (100) comprises at least one guide (7) at the sides of a movable bar (6) for dropping down a wall (113) of the crib (100). A slider (62) of the movable bar (6) is adapted to slide along the guide (7), and a return system (8) is configured to return the slider (62) toward the upper end portion (71) of the guide (7). A constraint element (9) for securing the crib (100) to a bed can be moved close to and spaced apart from the guide (7), and is connected to the return system (8) to be able to be returned by the return system (8) toward the guide (7). When the constraint element (9) is retained in a position that is spaced apart from the guide (7), for example due to the fixation to a bed, the slider (62) is prevented from being returned by the return system (8).