Expandable Bed Rail Tension Lock for Secure Easy Assembly
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Solution Overview
Problem
Consumer products, such as bed rails, often require complex assembly and installation, which can be challenging for laymen due to language barriers and lack of mechanical expertise, leading to incorrect assembly or installation.
Innovation Solution
A horizontally expandable bed rail design featuring telescoping tubes and a tension-based locking mechanism that simplifies assembly and installation by allowing easy expansion and secure attachment to a bed, minimizing the need for user intervention and ensuring proper alignment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a bed rail requires complex assembly and installation procedures, then the product can achieve secure attachment and proper alignment, but the ease of operation deteriorates due to challenges for laymen
Solution Approach 1:
The bed rail system employs self-aligning telescoping tubes with automatic engagement features that allow the structure to self-assemble and self-adjust during installation. The telescoping mechanism automatically positions components correctly when inserted, eliminating the need for precise manual alignment and complex assembly procedures while maintaining secure attachment.
2Ease of operation
If telescoping tubes are used to simplify expansion, then the ease of operation improves, but the device complexity increases due to multiple tubes and locking mechanisms
Solution Approach 1:
The bed rail utilizes nested telescoping tubes where smaller tubes are inserted within larger tubes to achieve expansion and adjustment. This nesting arrangement allows multiple functional elements to be compactly integrated within a single structural component, providing ease of expansion while minimizing the apparent device complexity from the user's perspective.
3Strength
If multiple tubes are used in horizontal support members, then the structural strength improves, but the manufacturing complexity increases
Solution Approach 1:
The horizontal support members are constructed from multiple telescoping tube segments rather than a single solid structure. This segmentation provides enhanced structural strength through the distributed tube configuration while allowing each tube segment to be manufactured separately using standard tube fabrication processes, thereby maintaining ease of manufacture.
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 design significantly reduces the complexity of assembly and installation, ensuring the bed rail is securely attached to the bed while preventing children from falling out, with a user-friendly setup that minimizes errors and misalignment.
Implementation Method 1
Engaged to the shaft of the locking pin is a coil spring that continuously biases the locking pin upwardly
Implementation Method 2
the distal end of the tensioning strap is engaged to the shaft of the locking pin such that, by pulling on the proximal end of the tensioning strap, the locking pin is drawn downwardly
Data Source
AI summary
A horizontally expandable bed rail having a guard rail frame that confronts a first side of a bed to prevent a child from falling out of the bed. The guard rail frame includes a pair of vertical support members interconnected by upper, lower and intermediate horizontal support members that slide horizontally in and out such that the vertical support members have an extended position where the vertical support members are spaced apart by a first distance and a drawn in position where the vertical support members are spaced apart by a second distance that is less than the first distance.