Adaptive Rack Rail Mount for Variable Depth Chassis
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Solution Overview
Problem
The existing information handling system rack rail solutions are inefficient due to the need for multiple rail types to accommodate different chassis and rack depths, leading to increased complexity, costs, and inventory management challenges, as well as potential errors in delivery and deployment.
Innovation Solution
An adjustable mount system that allows a single rail to adapt to various rack depths by varying its length, enabling full extension and retraction of information handling system chassis of different depths within a standard rack, using a combination of telescoping motion and a biasing device to accommodate both shorter and longer chassis.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple rail types are provided to accommodate different rack and chassis depths, then adaptability to various configurations is improved, but device complexity and inventory management difficulty increase
Solution Approach 1:
The rail assembly is designed with a universal mounting bracket that can accommodate multiple rack depths (42U, 48U, and other configurations) and different chassis depths through adjustable mounting positions. The bracket includes multiple mounting holes arranged in patterns that allow the same rail assembly to be configured for various rack-chassis depth combinations, eliminating the need for multiple specialized rail types.
Solution Approach 2:
The rail assembly incorporates a telescoping mechanism with adjustable length, allowing the rail to dynamically extend or retract based on the specific chassis depth. The telescoping portion can be adjusted to provide the appropriate rail length for different chassis configurations, enabling a single rail assembly type to adapt to varying depth requirements.
2Ease of operation
If rails are customized for specific rack and chassis depths, then optimal fit and function are improved, but manufacturing cost and inventory overhead increase
Solution Approach 1:
The mounting bracket is designed as a universal component with multiple mounting holes arranged in configurable patterns. This allows a single bracket design to serve multiple rack depths (42U, 48U, etc.) and different chassis configurations, eliminating the need to manufacture separate bracket types for each configuration and reducing inventory overhead.
Solution Approach 2:
The rail assembly is divided into modular components including a mounting bracket portion, a telescoping portion, and a fixed portion. This segmentation allows the same modular components to be reconfigured for different applications, reducing the need to manufacture complete custom rail assemblies for each configuration while maintaining optimal fit and function.
3Ease of manufacture
If a single rail type is used for all configurations, then manufacturing and inventory simplicity are improved, but adaptability to different rack and chassis depths deteriorates
Solution Approach 1:
The rail assembly incorporates a telescoping mechanism with adjustable length that allows a single rail type to adapt to different chassis depths. The telescoping portion can be extended or retracted as needed, and the mounting bracket provides multiple mounting positions to accommodate various rack depths, enabling one rail assembly design to serve multiple configurations.
Solution Approach 2:
The rail assembly allows for parameter changes in mounting position and rail length through the adjustable mounting bracket with multiple mounting holes and the telescoping mechanism. These parameter adjustments enable a single rail assembly type to accommodate different rack-chassis depth configurations without requiring custom-designed rails for each scenario.
4Adaptability or versatility
If longer rails are used to accommodate deeper chassis, then compatibility with deeper configurations is improved, but waste of material and increased cost for shallower configurations occurs
Solution Approach 1:
The telescoping mechanism allows the rail length to be dynamically adjusted based on the chassis depth. For shallower configurations, the telescoping portion is retracted to provide only the necessary rail length, eliminating material waste. For deeper configurations, the telescoping portion is extended to provide the required length, all using the same base rail assembly.
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 simplifies design, manufacturing, and inventory by providing a single rail kit that can adapt to multiple rack depths, reducing user confusion and enabling flexible future chassis designs, while ensuring easy redeployment and compatibility with various information handling systems.
Implementation Method 1
A biasing device is coupled between the adjustable mount and the rail to push the rail away from the front of the rack
Data Source
AI summary
A rail adjustable mount adjusts a rail to support information handling system chassis with different depths in racks of different depths. The adjustable mount couples to a rack front with a sliding portion extending into the rack interior. The adjustable mount sliding portion slidingly engages a guide of the rail to allow adjustment of the rail relative to the rack so that a rail fits into a rack having a depth that is greater than the length of the rail's housing. A floating portion of the rail supports the rail at the rear of the rack and allows the rail position to float relative to the rear of the rack. A biasing device of the adjustable mount biases the rail towards the front of the rack to aid full extension and retraction of the rail at the rack.