Retractable Media Drawers With Continuous Connectivity

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Solution Overview

Problem

Current data storage systems require power interruption to access storage elements for maintenance or upgrades, disrupting data availability and operational efficiency.

Innovation Solution

A storage system with retractable media drawers that maintain connectivity to power and communication sources, allowing for partial extension or retraction without interrupting power or communication, using flexible cable linkages or conductive wheels to ensure uninterrupted operation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If storage elements are removed from data storage unit for maintenance or upgrades, then accessibility of storage elements is improved, but power and communication must be interrupted causing data availability disruption

Engineering Contradiction:
Improveaccessibility of storage elementsVSAvoiddata availability
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The patent implements a dynamic drawer system that can be extended and retracted while maintaining operational connectivity. The drawer transitions between extended (accessible) and retracted (integrated) states without requiring power interruption, enabling maintenance operations while preserving system reliability and continuous data availability.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The patent introduces flexible cable linkages and conductive wheels as intermediary components between the movable drawer and the fixed housing. These intermediaries maintain continuous electrical and communication connections during drawer movement, resolving the contradiction between drawer accessibility and uninterrupted power/communication supply.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Ease of operation

If panels are removed to access storage elements, then accessibility is improved, but device complexity and operational disruption increase

Engineering Contradiction:
Improveaccessibility of storage elementsVSAvoidpanel removal process
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The patent replaces static panel access with a dynamic drawer mechanism that slides on and off tracks. This transformation converts a complex panel removal process into a simple drawer extraction operation, improving ease of access while reducing operational complexity.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The patent segments the storage unit into a fixed housing and a movable drawer containing storage elements. This segmentation allows the drawer to be independently accessed and removed without affecting the main housing structure, simplifying the access process and reducing operational disruption.

Inventive Principle:
Principle #1Segmentation

3Ease of operation

If storage elements are accessed by removing panels, then accessibility is improved, but time loss due to power interruption increases

Engineering Contradiction:
Improveaccessibility of storage elementsVSAvoidpower interruption duration
Core Design Contradiction:
Ease of operationVSLoss of time

Solution Approach 1:

The patent ensures continuous power and communication supply to the drawer throughout the entire access and maintenance process. By maintaining connectivity during drawer extension, removal, and retraction, the system eliminates time loss associated with power interruption while preserving full accessibility to storage elements.

Inventive Principle:
Principle #20Continuity of useful action

Data Source

PatentUS7583507B2High density array system having multiple storage units with active movable media drawers
Publication Date: 2009.09.01 SPECTRA LOGIC CORP
  • US7583507B2 patent drawing
  • US7583507B2 patent drawing
  • US7583507B2 patent drawing

AI summary

A storage system is provided having at least one primary storage unit, the primary storage unit having a power source, a server mother board, an expander device connected to a second data storage unit and a plurality of retractable media drawers wherein each of the retractable media drawers comprise a plurality of data storage elements. Each of the retractable media drawers maintain connectivity to the power source, the server mother board and the expander device when each of the media drawers is between a first position that is extended partially away from the primary data storage unit and a second position that is at least partially retracted from the first position towards the primary data storage unit.