Bi-directional Rack Rail Mechanism for Obstruction-Free Access
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Solution Overview
Problem
Current rail systems for information handling systems only allow sliding motion from one side of the rack, limiting access and making installation, removal, and maintenance challenging due to obstructions like cables and power units, especially in populated racks.
Innovation Solution
A rail mechanism with a new hinge mechanism that allows sliding motion from both the port and rear sides of the rack, featuring a flexible stop that can be engaged or disengaged for either one-sided or two-sided access, and a smaller plate flange to facilitate bi-directional movement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a traditional rail system is used with a fixed attachment or one-sided sliding mechanism, then the structure is simple and easy to manufacture, but the access flexibility and ease of operation deteriorate because information handling systems can only be accessed from one side
Solution Approach 1:
The rail mechanism is divided into separate components: a rail guide attached to the rack, a mating rail attached to the information handling system, and a hinge mechanism connecting them. This segmentation allows each component to be optimized independently while enabling bi-directional movement capability.
Solution Approach 2:
The hinge mechanism introduces dynamic capability to the rail system, allowing the mating rail to pivot and enabling sliding motion from both port and rear sides of the rack. This transforms the static one-sided rail system into a dynamic bi-directional system.
2Productivity
If a one-sided rail system is used, then the device complexity is reduced, but the productivity deteriorates because installation and removal of information handling systems becomes time-consuming due to obstructions from cables and power units
Solution Approach 1:
Instead of having cables and power units obstruct access from the front, the bi-directional rail system enables access from the rear side of the rack, effectively reversing the access direction and avoiding the obstructions that reduce productivity.
3Adaptability or versatility
If a bi-directional rail mechanism is implemented, then the adaptability improves by allowing access from both port and rear sides, but the device complexity increases due to the hinge mechanism and flexible stop components
Solution Approach 1:
The rail mechanism serves multiple functions: it guides the information handling system during insertion and removal, provides stopping positions at both ends of the rack, and enables bi-directional movement. This multi-functionality justifies the added complexity by consolidating multiple features into a single integrated mechanism.
Solution Approach 2:
The flexible stop mechanism allows the rail system to adapt between one-sided and two-sided access modes by changing the engagement state of the stop, providing parameter-based adaptability without requiring completely different mechanisms for each mode.
4Ease of operation
If a fixed attachment is used instead of a rail mechanism, then the device complexity is minimized, but the ease of operation deteriorates because information handling systems cannot be moved for inspection or maintenance
Solution Approach 1:
The rail mechanism acts as an intermediary between the fixed rack structure and the movable information handling system, providing guided movement capability while maintaining structural support and positioning.
Data Source
AI summary
Traditionally, rail systems for racks that house electronic equipment, such as information handling system only allow motion from one side of the rack, if they allow movement at all. Embodiments presented herein provide mechanisms and methods that allow for motion of information handling systems in a housing from more than just one side of the housing.