Transverse Drive Tray Assembly for Chassis Space Optimization
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Solution Overview
Problem
Existing computer chassis designs face challenges in optimizing space utilization due to the longitudinal alignment of hard disk drives (HDDs) and their trays, which limits the installation of other components and complicates drive installation and removal.
Innovation Solution
A drive tray assembly that allows drives to be oriented transversely within the chassis, featuring a tray base with a top surface for receiving drives and an installation lever that rotates to secure the drive in a perpendicular orientation, reducing the longitudinal space occupied.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If HDD trays are aligned longitudinally (parallel to y-axis) to maximize the number of HDDs installed through the front, then the number of HDDs that can be installed is improved, but the longitudinal space occupied by trays and backplane increases significantly
Solution Approach 1:
The patent reorients the HDD trays from longitudinal alignment (parallel to y-axis) to transverse alignment (perpendicular to y-axis). This dimensional change allows drives to be accessed from the front while occupying less longitudinal space, as the tray length is now oriented perpendicular to the insertion direction rather than parallel to it.
2Adaptability or versatility
If HDD trays are aligned longitudinally to maximize HDD installation capacity, then drive installation capability is improved, but space for other components (motherboard, cable management) is reduced
Solution Approach 1:
By changing the tray orientation from longitudinal to transverse, the patent frees up longitudinal space that can be allocated to other components such as larger motherboards and improved cable management areas, while maintaining front-accessible drive installation capability.
3Ease of operation
If HDD trays are aligned longitudinally, then drive accessibility from front is improved, but connector alignment complexity increases
Solution Approach 1:
The transverse orientation of the trays simplifies connector alignment by orienting the connector plane parallel to the longitudinal direction, allowing connectors to mate more directly with the backplane without requiring complex angular alignments that would result from longitudinal tray placement.
Data Source
AI summary
A drive tray assembly is disclosed for placing drives (e.g., hard disk drives) in a computer chassis in a rotated orientation and without the need for additional tools. A tray base holding a drive can be slid into a receiving space of the chassis in a longitudinal direction. An installation lever rotatably attached to the tray base includes a shaft that engages a corresponding receiving slot of the receiving space. After the tray base is inserted, rotation of the installation lever to a closed position causes the tray base, and thus the drive, to move in a direction perpendicular to the longitudinal direction. A release lever rotatably attached to the tray base can secure the installation lever in the closed position until the release lever is rotated, freeing the installation lever to move to the open position in which the drive tray may be removed from the chassis.