Biased Storage Carrier Latch for Robotic Server Drive Replacement
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Solution Overview
Problem
The process of replacing insertable computing elements in server racks is complicated due to manual manipulation requirements and the lack of automation compatibility with existing latch structures, making it difficult to automate the identification and removal of storage devices for efficient maintenance.
Innovation Solution
A storage device carrier assembly with a biased latch that transitions between engaged, retracted, and extended states, allowing for automated insertion and removal using robotic actuator assemblies, and featuring a mechanical indicator for state detection and communication interface alignment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual latch manipulation is used for storage device replacement, then device security and reliability are maintained, but operation complexity and time consumption increase significantly
Solution Approach 1:
The latch mechanism transitions from a static manual operation to a dynamic automated process. The biased latch is designed to automatically transition between engaged and disengaged states through robotic actuation, eliminating the need for complex manual manipulation while maintaining secure device attachment during operation.
Solution Approach 2:
The biased latch mechanism incorporates a spring bias that automatically returns the latch to its engaged position after being actuated. This self-service feature ensures the device carrier is automatically secured following insertion, reducing the need for manual verification or additional securing steps.
2Productivity
If automated robotic actuation is implemented for device replacement, then productivity and efficiency improve, but device complexity and manufacturing cost increase
Solution Approach 1:
The latch mechanism is segmented into distinct functional components: the biased latch body, the extendable portions, and the engagement features. This segmentation allows each component to be optimized for its specific function while enabling automated actuation, balancing complexity with productivity gains.
Solution Approach 2:
The latch mechanism utilizes parameter changes in the form of spring bias force and extendable portion displacement to enable automated operation. The spring bias provides a predetermined force that drives the latch into the engaged position, while the extendable portions provide controlled displacement for robotic actuation, simplifying the overall system while improving productivity.
3Reliability
If extendable portions are designed to engage chassis, then device security and positioning accuracy improve, but manufacturing precision requirements increase
Solution Approach 1:
The extendable portions are designed to dynamically adjust their position as the device carrier is inserted into the chassis. The spring bias allows the latch to accommodate minor positioning variations while maintaining secure engagement, reducing the stringency of manufacturing precision requirements.
Solution Approach 2:
The biased latch mechanism automatically self-adjusts during the insertion process. As the device carrier is inserted, the spring bias drives the extendable portions into the engaged position with the chassis, compensating for minor manufacturing tolerances and ensuring accurate positioning without requiring extremely tight tolerance specifications.
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
Facilitates efficient and automated replacement of storage devices, improving maintenance efficiency and reducing manual intervention, enabling large-scale automation of hardware component replacement in computing systems.
Implementation Method 1
the biased latch includes a spring that is biased towards laterally extending the extendable portions
Data Source
AI summary
The described technology provides implementations of a storage device carrier assembly adapted to removably mate with a chassis. The storage device carrier assembly includes a storage device carrier adapted to be coupled to a storage device and a biased latch attached to the storage device carrier and adapted to transition from an engaged state to a retracted state to remove the storage device carrier from the chassis, wherein the biased latch includes extendable portions adapted to engage the chassis in the engaged state.