Nested Rail Latching Mechanism for Long Server Slide Travel
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Solution Overview
Problem
Conventional sliding mechanisms in servers are complex and inefficient in terms of size, leading to space utilization issues due to their configuration.
Innovation Solution
A sliding mechanism comprising an inner rail, a middle rail, and an outer rail with a latching assembly that includes rollers and elastic elements, allowing for efficient sliding and latching to extend the sliding distance while minimizing space usage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of stationary object
If a conventional sliding mechanism with inner rail, middle rail, and outer rail is used, then the sliding distance is extended, but the device complexity and space occupation increase
Solution Approach 1:
The patent implements nesting by placing the middle rail inside the outer rail, and the inner rail inside the middle rail, creating a compact nested structure. This allows multiple rails to occupy the same spatial envelope, extending the functional sliding distance without proportionally increasing the overall device footprint or complexity.
Solution Approach 2:
The patent utilizes the radial dimension by arranging rails in concentric circles around a central axis. This dimensional approach allows the sliding mechanism to achieve extended linear displacement through rotational movement in a different dimension, reducing the need for long linear structures.
2Length of stationary object
If a conventional sliding mechanism with multiple rails is used, then the sliding distance is extended, but the area occupied increases
Solution Approach 1:
The nested arrangement of inner rail within middle rail within outer rail allows the mechanism to achieve extended sliding distance while occupying minimal planar area. The concentric configuration packs multiple functional elements into a compact circular footprint, significantly reducing space occupation compared to linear arrangements.
Solution Approach 2:
By transitioning from a linear one-dimensional sliding path to a multi-dimensional concentric configuration, the mechanism achieves extended effective sliding distance through rotational and radial movements, thereby reducing the required planar area while maintaining or enhancing functional displacement.
3Ease of operation
If a conventional sliding mechanism configuration is used, then the sliding function is achieved, but the overall size efficiency decreases
Solution Approach 1:
The nested rail configuration enables the sliding mechanism to maintain full sliding functionality while dramatically reducing the volume required. By arranging rails concentrically, the mechanism achieves the same displacement function in a more compact three-dimensional package, improving space efficiency without compromising operational capability.
Solution Approach 2:
The mechanism achieves efficient space utilization by utilizing rotational and radial dimensions rather than purely linear extension. This multi-dimensional approach allows the sliding function to be achieved within a smaller volume envelope, improving overall size efficiency while maintaining ease of operation.
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 proposed sliding mechanism enhances efficiency and reduces space requirements by enabling smooth sliding and latching operations, thereby improving server design and functionality.
Implementation Method 1
an elastic element (650) between the position member (64) and the inner rail (10)
Data Source
AI summary
A sliding mechanism includes an outer rail, an inner rail, a middle rail and a latching assembly. The middle rail has a resisting portion and is slidably mounted to the outer rail and the inner rail is slidably mounted to the middle rail. The latching assembly includes a first protrusion, a second protrusion, a third protrusion, a first roller and a second roller, a latching slot and a stopping surface. When the inner rail slides relative to the middle rail, the first protrusion resists the first roller so the middle rail sliding with the inner rail; and then the first roller slides along the third protrusion to release the first roller from the first protrusion. The second roller then slides in the latching slot until the resisting portion resists the stopping surface; and then the first roller slides along the first protrusion so the inner rail further extends relative to the middle rail.