Nested Hard Drive Drawer for Front Access
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Solution Overview
Problem
Conventional server chassis designs limit the number of accessible hard drives due to space constraints, making it difficult to maximize storage capacity and facilitate maintenance.
Innovation Solution
An extendable hard drive drawer system where a first hard drive carrier is slidably coupled to the chassis, allowing it to move from a closed position to multiple open positions, thereby accessing a second hard drive carrier located behind it, enabling front-side access for replacement and maintenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If hard drives are housed at the front of the server chassis for easy access, then maintenance and replacement are facilitated, but the storage capacity is limited due to space constraints
Solution Approach 1:
The patent implements a nested drawer structure where a first drawer containing hard drives is placed inside a second drawer that can also contain hard drives. This nested arrangement allows multiple rows of hard drives to be housed within the limited front space of the server chassis, thereby increasing storage capacity while maintaining front-side accessibility for both drawers
Solution Approach 2:
The patent transitions from a single-row horizontal arrangement to a multi-row arrangement by utilizing the depth dimension through nested drawers. The first drawer and second drawer are arranged in sequence along the depth of the chassis, allowing front-side access to multiple rows of hard drives without increasing the front footprint
2Quantity of substance
If multiple hard drives are housed inside the chassis to maximize storage, then storage capacity increases, but accessibility from the front is limited
Solution Approach 1:
The nested drawer configuration allows the first drawer to be pulled out to access its hard drives, and the second drawer to be pulled out to access its hard drives. Both drawers are independently accessible from the front, eliminating the need to remove outer components to reach inner hard drives
Solution Approach 2:
The hard drive storage is segmented into multiple independent drawers (first drawer and second drawer), each capable of being accessed independently from the front. This segmentation allows selective access to specific drawers without affecting others, maintaining ease of operation while increasing total storage capacity
3Ease of operation
If a single row of hard drives is housed in the chassis, then accessibility is maximized, but storage capacity is limited
Solution Approach 1:
The patent uses nested drawers where the first drawer contains hard drives in one row and the second drawer contains hard drives in another row. Both drawers are accessible from the front, effectively creating multiple rows of accessible hard drives within the same front footprint, thereby doubling or tripling storage capacity while maintaining full accessibility
Data Source
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AI summary
An apparatus comprising at least one extendable hard drive drawer for replacement and maintenance of at least one hard drive. The apparatus comprises a chassis comprising a front side and a rear side, and a first hard drive carrier and a second hard drive carrier housed within the chassis. The first hard drive carrier can be housed at the front side of the chassis, and the second hard drive carrier can be located behind the first hard drive carrier. The first hard drive carrier and the second hard drive carrier can each be adapted to house at least one hard drive. The first hard drive carrier can be adapted to slide from a closed position to a first open position, and from the first open position to a second open position, such that the second hard drive carrier can be accessed in the second open position.