Latch Key Deployment for Hard Disk Drive Vibration Securing
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Solution Overview
Problem
Hard disk drives tend to become dislodged from their interfaced positions due to vibrations caused by the motor and actuator, leading to disconnection from the host system without a secure latching mechanism.
Innovation Solution
A hard disk drive carrier with a pivotally secured handle and an extendable arm featuring a latch key, which deploys and retracts to securely engage with a slot in the disk drive bay sidewall, facilitating both installation and removal by leveraging the handle's pivotal movement to impart docking and dislodging forces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a latch apparatus is added to secure the hard disk drive in the bay, then the drive becomes resistant to vibrations and dislodgment, but the device complexity increases
Solution Approach 1:
The latch key is integrated into the extendable arm, which is itself integrated into the handle assembly. This nested structure allows the latch mechanism to be contained within the existing handle structure, providing securement functionality without adding external complexity to the overall device.
Solution Approach 2:
The handle serves multiple functions: it acts as a grip for insertion/removal, a lever for actuating the latch, and a structural component of the carrier. The extendable arm similarly serves both as a structural element and as the mechanism for deploying the latch key. This multi-functionality reduces the need for separate dedicated components.
2Reliability
If a latch key is deployed to engage with the bay sidewall, then the hard disk drive is prevented from dislodgment, but the lateral space consumption increases
Solution Approach 1:
The extendable arm can transition between retracted and extended states, allowing the latch key to be deployed only when needed for securing the drive. When retracted, the lateral space requirement is minimized. This dynamic capability allows the system to achieve securement reliability without permanently occupying excessive lateral space.
Solution Approach 2:
Instead of extending the latch key laterally beyond the carrier boundaries, the invention extends it vertically to engage with the bay sidewall. This dimensional change allows the latch to engage the bay structure without increasing the lateral footprint of the carrier, thereby maintaining storage density while providing securement.
3Ease of operation
If the extendable arm is made spring-biased for automatic retraction, then the latch key automatically follows the bay contour, but the device complexity increases
Solution Approach 1:
The spring-biased extendable arm automatically retracts after the latch key engages with the bay sidewall, following the contour of the bay without requiring manual intervention. This self-service mechanism reduces the operational steps required from the user while the spring force provides the necessary automatic retraction.
Solution Approach 2:
The spring bias changes the operational parameters of the extendable arm by providing a restoring force that automatically returns the arm to its retracted position after engagement. This parameter change (adding spring force) enables automatic adaptation to the bay contour while maintaining a relatively simple mechanical structure.
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
The solution effectively secures the hard disk drive in place during operation, preventing dislodgment and ensuring continuous connectivity with the host computer, while allowing for easy installation and removal without consuming excessive lateral space, thus enhancing storage density.
Implementation Method 1
an extendable arm that is slidably secured to the distal end of the handle and spring-biased to automatically extend
Data Source
AI summary
A latch apparatus and method to facilitate leveraged insertion of a component into a component bay to an interfaced position, securing of the component in the component bay when the component interfaces with a host computer, leveraged dislodgement of the component from its interfaced position for removal of the component from the component bay, and proper positioning of the latch apparatus upon insertion of the component housing to ensure proper engagement of the latch apparatus with the component bay for leveraged insertion and removal. One latch apparatus comprises a frame adapted to be secured to a proximal end of a component housing, a handle pivotally secured to the frame, and an extendable arm slidably secured to a distal end of the handle and biased toward an extended position, wherein the distal end of the extendable arm has a distally extending latch key for engaging a slot in the component bay.