Adjustable Cable Arm Structure to Prevent Server Rack Sagging
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Solution Overview
Problem
Cable management systems fail to effectively support cables connecting movable devices in computer systems, such as servers in racks, leading to sagging and interference with other units due to inadequate support mechanisms.
Innovation Solution
A cable management system featuring an adjustable length arm with two hinges, one connected to the computing system and the other to the movable device, allowing for controlled movement and minimizing sagging through parallel rotation axes and an extension portion that maintains the second hinge at a constant distance from the device, combined with support features like channels and loops to secure cables.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a fixed-length arm with a hinge is used to manage cables, then the arm can provide some support, but the arm sags below the server and interferes with units below
Solution Approach 1:
The patent applies dynamics by making the arm length adjustable rather than fixed. The arm can dynamically change its length to accommodate different cable management needs, allowing it to reach further without sagging while maintaining support capability. This resolves the contradiction by enabling the arm to adapt its configuration to prevent interference with units below while still providing adequate cable support.
Solution Approach 2:
The patent changes the parameter of arm length from fixed to variable. By allowing the arm length to be adjusted, the system can optimize the arm's reach and support characteristics. When the arm is extended to its full adjustable length, it maintains proper clearance from units below while still providing sufficient cable support, thus resolving the interference issue.
2Ease of operation
If a shelf is used to support cables, then cables can rest on it, but the shelf does not completely support the cables and they tend to sag below the server
Solution Approach 1:
The patent segments the cable support function into multiple components: the arm structure provides primary support, while additional support features (such as channels or attachment points along the arm) provide secondary support. This segmentation allows the system to maintain cable support effectiveness without requiring a simple shelf, resolving the contradiction between ease of operation and support effectiveness.
Solution Approach 2:
The arm acts as an intermediary between the server and the cables, providing structured support that a simple shelf cannot. The arm can be positioned and configured to provide optimal support, preventing cable sag while maintaining ease of cable placement. This intermediary structure resolves the contradiction by offering both simplicity of use and effective support.
3Object-affected harmful factors
If cables are managed with minimal support structures, then interference with units below is reduced, but cable management becomes inadequate for movable devices
Solution Approach 1:
The patent applies dynamics by making the arm length adjustable rather than fixed. The arm can dynamically change its length to accommodate different cable management needs, allowing it to reach further without sagging while maintaining support capability. This resolves the contradiction by enabling the arm to adapt its configuration to prevent interference with units below while still providing adequate cable support.
Solution Approach 2:
The arm structure serves multiple functions: it supports cables, accommodates movable devices, prevents interference with units below, and can be adjusted to different lengths. This multi-functionality ensures that the cable management system is effective for movable devices while maintaining proper clearance, resolving the contradiction between minimal support and adequate management.
Data Source
AI summary
A cable management system includes an adjustable length arm adapted to receive at least one cable in a computer system, and the adjustable length arm is configured to be connected to a first hinge and a second hinge that respectively define first and second opposite ends of the adjustable length arm. The first hinge is connected to a portion of the computing system, and the at least one cable and second hinge are connected to a movable device that moves relative to the portion of the computing system.