Flush Latching System for Compact Server Devices
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Solution Overview
Problem
As devices in computer servers become smaller, existing latching systems face challenges in minimizing their size while maintaining effective latching and unlatching mechanisms, often requiring rotational or camming motions that extend beyond the device's front face, which is not suitable for compact designs.
Innovation Solution
A latching system utilizing a linear motion handle with a leaf spring mechanism that moves between latched, unlatched, and engaged positions, allowing the handle to be flush or recessed with the device's front face, and employing engagement features like ramps or inclined planes to securely lock and release the device from its mount.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If rotational or camming motion latching systems are used, then secure attachment is achieved, but the latching system extends beyond the device's front face
Solution Approach 1:
Instead of using rotational or camming motion that extends outward, the patent inverts the approach by using linear motion where the handle moves directly backward along the axis of the device. This linear motion mechanism achieves secure attachment through direct linear displacement that compresses a spring and engages latching features, eliminating the need for the handle to extend beyond the front face while maintaining secure attachment capability.
2Strength
If rotational or camming motion latching systems are used, then secure attachment is achieved, but integration and removal within limited space is complicated
Solution Approach 1:
The latching system is segmented into distinct functional components: a handle for user interaction, a spring mechanism for force generation, and separate latching features for engagement. This segmentation allows each component to perform its specific function independently within the limited space, simplifying integration while maintaining secure attachment. The linear motion handle separately actuates the spring compression and latching engagement without requiring complex coordinated movements.
3Volume of moving object
If compact design is implemented, then spatial requirements are reduced, but handling and operation efficiency may be compromised
Solution Approach 1:
The spring mechanism provides self-service by automatically generating the necessary force for latching engagement and device removal. When the handle is moved linearly backward, the spring compresses and stores energy that automatically engages the latching features without requiring additional user force. For removal, releasing the handle allows the spring to expand and disengage the latches, providing effortless device extraction. This self-service mechanism maintains handling efficiency while achieving compact design.
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 enables secure device retention and easy removal within compact server form factors, ensuring proper electrical connector alignment and efficient space utilization without protrusions, meeting the dimensional requirements of small form factor devices.
Implementation Method 1
a leaf spring (108) positioned between the handle (104) and the frame (102)
Data Source
AI summary
In one example a latching system is disclosed. The latching system has a handle that moves along an axis of motion between three positions: a latched position, an unlatched position and an engaged position. The handle moves a retention clip from a locked position into an unlocked position when the handle moves from the unlatched position into the engaged position.