Resilient Hook Rod Design for Hanging File Folder Derailing Prevention
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Solution Overview
Problem
Hanging file folders often lack sufficient strength and engagement with rails, leading to derailing issues when adjusted or moved, especially due to variances in rail spacing and alignment within filing cabinets.
Innovation Solution
The design incorporates a resilient rod structure with adjustable hook portions that can move longitudinally to accommodate angle variances, ensuring secure engagement with rails and preventing dislodging, featuring a hook and rod assembly with a resilient mechanism to maintain contact and adjust the effective length of the rod.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If hooks and rods are designed with increased strength to hold heavier loads, then the engagement with rails is improved, but the ease of sliding folders along rails deteriorates due to increased friction and binding
Solution Approach 1:
The rod is designed with a resilient section that allows dynamic adjustment of the rod's effective length and angle. This resilience enables the rod to flex and adapt during sliding operations, reducing binding and friction while maintaining strong engagement with the rails under load.
Solution Approach 2:
The rod's effective length and engagement angle are made variable through the resilient section. By allowing these parameters to change dynamically during operation, the system can optimize between engagement strength and sliding ease depending on the operational phase.
2Ease of operation
If file folders are moved or adjusted along rails at an angle, then accessibility is improved, but the risk of derailing increases due to greater span between hooks
Solution Approach 1:
The resilient rod allows the hook span to dynamically adjust during angled movement. As the folder is pulled at an angle, the rod flexes to accommodate the changed geometry, preventing the hooks from disengaging from the rails even when the span increases.
Solution Approach 2:
The resilient section acts as a cushion that anticipates and compensates for the increased span that occurs during angled adjustment. This pre-built flexibility prevents derailing before it can occur by absorbing the geometric stress of angled movement.
3Adaptability or versatility
If resilient structure is added to adjust rod length and angle, then adaptability to rail variances is improved, but device complexity increases
Solution Approach 1:
The rod is segmented into a rigid section and a resilient section. This segmentation allows the rod to combine the stability of rigid structures with the adaptability of flexible elements, achieving rail variance accommodation without excessive complexity.
Solution Approach 2:
The resilient rod section functions as a flexible element that can bend and adapt to variations in rail spacing and alignment. This flexible section provides adaptability to rail variances while maintaining a relatively simple overall structure.
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
This solution enhances the strength and stability of file folders, allowing for easier adjustment and sliding along rails while maintaining engagement, increasing the derailing angle and accommodating non-parallel or unevenly spaced rail systems, thereby preventing dislodging.
Implementation Method 1
a resilient rod structure with adjustable hook portions that can move longitudinally to accommodate angle variances
Data Source
AI summary
Rods for use in a filing system are disclosed. An example file folder rod includes a first end, a second end and an elongated body extending between the first end and the second end, the elongated body having a longitudinal axis. The example rod also includes a hook coupled to the first end of the rod. The example hook includes a longitudinal portion extending along the longitudinal axis, an elongated hook portion coupled to an end of the longitudinal portion with the elongated hook portion extending from the longitudinal portion a first distance, and a first extension extending from the longitudinal portion with the first extension extending from the longitudinal portion a second distance, the second distance less than the first distance.