Bed rail having rotating seat for guard frame
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Solution Overview
Problem
Bed rails designed to prevent children from falling out of bed are often expensive due to complex assembly requirements and the use of costly materials like steel, and they can be cumbersome in operation.
Innovation Solution
A bed rail with a guard frame that extends beyond the bed surface and legs between the mattress and box spring, featuring a rotating seat mechanism that allows the guard frame to swing between up and down positions, with a simplified assembly process using fewer and less expensive components, such as plastic for the rotating seat and anchor, reducing the complexity and cost of production.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If bed rail apparatus includes many parts formed of expensive metal like steel, then strength and reliability are improved, but manufacturing cost increases
Solution Approach 1:
The patent changes the material parameter from expensive metal (steel) to inexpensive plastic for the rotating seat and anchor components, while maintaining functional requirements through appropriate plastic material selection and design
Solution Approach 2:
The patent replaces expensive metal components with cheaper plastic alternatives, accepting that plastic may have different durability characteristics but achieving cost-effectiveness for the intended application
2Adaptability or versatility
If bed rail apparatus includes many parts that need to be assembled, then functionality and adaptability are improved, but device complexity increases
Solution Approach 1:
The patent combines the rotating seat and anchor into an integrated assembly that works together as a unified locking mechanism, reducing the number of separate parts and simplifying assembly instructions
Solution Approach 2:
The rotating seat serves multiple functions: it allows the guard frame to swing between up and down positions, and it engages with the pin to lock the guard frame in the up position, eliminating the need for separate locking mechanisms
3Reliability
If bed rail apparatus uses complex operation mechanisms, then reliability and safety are improved, but ease of operation deteriorates
Solution Approach 1:
The patent uses a dynamic rotating seat mechanism that automatically transitions between locked and unlocked states through simple rotation, eliminating complex control systems while maintaining safety through mechanical engagement
Solution Approach 2:
The rotating seat mechanism is self-locking through its geometric design, where rotation in one direction automatically engages the pin in the seat to lock the guard frame, requiring no additional locking actions or complex controls from the user
Data Source
AI summary
A bed rail having a guard frame that prevents a child from rolling off a bed and a pair of legs that extend between the mattress and box spring. The guard frame swings between up and down positions and is pivotally connected to the legs via a first junction. A second junction locks the guard frame to the legs. The second junction includes a rotatable seat that engages a pin extending from the guard frame. The bed rail further includes a strap that engages a proximal end of a leg, a distal end of the leg, and an anchor, which engages the side of the bed opposite of the bed rail.