Extendable Handle Latch for Tool-Free Hot Swap Removal
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional methods for removing hot swappable devices from electronic devices, such as servers, are difficult and pose a risk of finger injury due to the need for manual insertion into tight spaces, especially when devices are arranged in a stacked configuration.
Innovation Solution
A latch apparatus comprising a latch supporting member and a latch member with an extendable handle arm, allowing for easy unlatching and removal of devices without tools, reducing finger injury risk and enhancing device allocation flexibility within the server.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If hot swappable devices are arranged in a stacked configuration inside the server to increase device capacity, then device allocation flexibility and capacity are improved, but device removal becomes difficult and poses finger injury risk
Solution Approach 1:
The latch mechanism is segmented into multiple functional components: a latch body, an actuating lever, a release button, and engagement arms. This segmentation allows each component to perform a specific function in the latching and releasing process, enabling tool-free operation while maintaining secure stacking configuration
Solution Approach 2:
The release button serves as an intermediary element that the user interacts with from the front of the server. When pressed, it triggers the actuating lever to disengage the engagement arms from the latch body, providing a safe and easy method to release devices without inserting fingers into tight spaces
2Reliability
If conventional fastening devices such as screws are used to secure hot swappable devices, then latching reliability is improved, but assembly complexity and time are increased
Solution Approach 1:
The patent replaces the traditional screw-based mechanical fastening system with a lever-based latch mechanism. The actuating lever uses mechanical advantage to secure the device reliably through engagement arms that lock into the latch body, eliminating the need for screws and simplifying the assembly process
Solution Approach 2:
The latch mechanism is designed to be self-latching once the device is inserted. The engagement arms automatically engage with the latch body when the device is pushed into place, providing reliable securing without requiring additional fastening operations or tools
3Ease of operation
If an extendable handle arm is added to the latch member to enable tool-free operation from the front, then ease of operation is improved, but device complexity is increased
Solution Approach 1:
The extendable handle arm is merged with the actuating lever as a single integrated component. The handle arm extends from the lever, allowing the user to apply force to the lever from the front of the server without requiring separate tools or complex linkage mechanisms
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
Enables simple and tool-free removal of hot swappable devices, even when deeply located, improving assembly processes and reducing the risk of injury while allowing for flexible device allocation and increased device capacity within the server.
Implementation Method 1
a resilient member having a first engaging member
Data Source
AI summary
A latch apparatus is disclosed comprising a latch supporting member and a latch member pivotally connected to the latch supporting member. The latch member comprises an extendable handle arm member. The latch apparatus further comprises a tray member connected to the latch supporting member and a cage member connected to the tray member. According to an exemplary embodiment, the latch member further comprises an engagement arm member comprising a first engaging member. Alternatively, the latch member further comprises a resilient member comprising a first engaging member. Moreover, the extendable handle arm member comprises a second engaging member. Furthermore, the latch supporting member comprises a third engaging member and a fourth engaging member. When the extendable handle arm member is in a latched position, the first engaging member is engaged with the cage member and the third engaging member, and the second engaging member is engaged with the fourth engaging member.