Resilient Hanging File Folder Rods for Uneven Rail Engagement
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Solution Overview
Problem
Hanging file folders often lack sufficient strength and engagement with rails, leading to derailing issues due to variances in rail spacing and angle, especially when loaded with documents, and may not accommodate non-parallel or unevenly spaced rails in filing cabinets.
Innovation Solution
A hanging file folder design featuring a pair of rods with hook portions and a resilient structure that allows longitudinal movement to adjust the effective length, ensuring engagement with rails and preventing dislodging, even when the folder is pushed at an angle or when rails are not perfectly parallel.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If the load within the pocket of a file folder increases, then the hooks and rods require increased strength to provide suitable engagement with the rails, but the file folder may be twisted or flexed and may lock onto the rail
Solution Approach 1:
The rod is designed with a resilient portion that allows it to flex and adjust dynamically. This dynamic characteristic enables the rod to maintain engagement with the rail while accommodating movements and adjustments, preventing the folder from locking onto the rail when loaded.
Solution Approach 2:
The resilient structure of the rod allows for changes in its physical state (flexing) in response to applied loads. This parameter change enables the rod to absorb stress without permanent deformation while maintaining its engagement function with the rail.
2Adaptability or versatility
If the spaced apart rails are not provided perfectly at the same distance or are not parallel, then the file folder may be pushed at an angle with respect to the rails, but the file folder may dislodge or come off of the rail entirely
Solution Approach 1:
The resilient portion of the rod provides dynamic adjustment capability, allowing the rod to flex and adapt to variations in rail spacing and alignment. This dynamic flexibility enables the folder to remain engaged with the rail even when pushed at an angle or when rails are not perfectly parallel.
Solution Approach 2:
The rod's resilient structure allows for changes in its length and angle of engagement in response to rail variances. This parameter adjustment enables the rod to maintain reliable engagement with the rail across a range of rail configurations and angles.
3Ease of operation
If the file folder is pushed at an angle during adjustment, then the distance between the hooks of the rod increases, but the file folder may tend to dislodge or come off of the rail
Solution Approach 1:
The resilient portion of the rod allows for dynamic adjustment of the distance between hooks as the folder is moved along the rail. This dynamic flexibility enables the rod to accommodate the increased distance when the folder is pushed at an angle while maintaining engagement with the rail.
Solution Approach 2:
The rod can change its effective length and angle of engagement in response to the folder's movement and positioning. This parameter adjustment allows the rod to maintain reliable engagement with the rail during adjustment operations, even when the folder is pushed at an angle.
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 enhances the strength and stability of file folders, allowing them to maintain engagement with rails at various angles and accommodate rail variances, reducing the risk of derailing and improving ease of sliding along the rails, while accommodating non-parallel or unevenly spaced rail systems.
Implementation Method 1
At least one of the first and second rods has a resilient structure for permitting at least one of the hook portions thereof to move longitudinally and adjust an effective length of its rod
Data Source
AI summary
A hanging file folder for mounting to a pair of spaced apart rails is disclosed. The file folder has a first and second rod with a pair of hook portions on opposing ends thereof for engaging the pair of spaced apart rails. The file folder body has first and second walls forming a pocket for holding materials therein, and is assembled such that the pocket is suspended between the first and second rods. At least one of the first and second rods includes a resilient structure for permitting at least one of the hook portions to move longitudinally and adjust an effective length of its rod for accommodating variances in the angle at which folders are mounted on the rails. The resilient structure may include a tension spring, for example. The hook portions may be movably mounted to the rod and may include the resilient mechanism.