Handle Assembly with Spring-Loaded Lock for Compact Server Resources
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Traditional modular information handling systems face difficulties in providing sufficient mechanical advantage for easy insertion and removal of resources, particularly in devices with smaller form factors like Enterprise & Datacenter SSD Form Factor, due to height and size restrictions.
Innovation Solution
A handle assembly with a rotatable base, a hinge, and a spring-loaded lock mechanism that provides mechanical retention and automatic locking, allowing for easy insertion and removal by translating the handle into a closed position to engage with the lock and maintain it, and using a torsion spring to facilitate removal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If traditional mechanical retention methods are used for small form factor devices, then the device size can be reduced, but sufficient mechanical advantage for easy removal cannot be provided
Solution Approach 1:
The handle assembly extends laterally beyond the front face of the information handling resource, utilizing the horizontal dimension to provide leverage and mechanical advantage. This allows the user to apply removal force at a greater distance from the rotation axis, overcoming the limitations of vertical height restrictions in small form factor devices.
Solution Approach 2:
The handle assembly incorporates rotational movement around a rotation axis, transforming a static retention mechanism into a dynamic one. The handle can rotate between an engaged position (secured to the resource) and a disengaged position (allowing removal), providing mechanical advantage during the removal operation while maintaining compact dimensions when engaged.
2Reliability
If a secure locking mechanism is implemented, then retention reliability is improved, but the risk of unintentional release increases
Solution Approach 1:
The spring element is pre-loaded to automatically engage the handle with the information handling resource, creating a preliminary securing action before any removal operation begins. This ensures the handle is firmly retained and cannot accidentally disengage during normal handling or vibration, while still allowing intentional removal when sufficient force is applied.
3Reliability
If a complex mechanical retention system is used, then secure retention is achieved, but device complexity increases
Solution Approach 1:
The handle assembly integrates multiple functions into a single unified structure: the handle itself serves as both the user interface for removal and the mechanical lever for gaining advantage, while the spring element provides both the locking force and the return mechanism. This consolidation achieves secure retention without requiring separate complex mechanisms for each function.
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 handle assembly simplifies the insertion and removal process, ensures secure retention, and provides a mechanical advantage for compact form factors, preventing unintentional release and allowing single-user operation.
Implementation Method 1
a spring having a spring force that biases the lock in a locked position relative to the handle
Implementation Method 2
a handle assembly may include a base, a handle rotably coupled to the base via a hinge
Data Source
AI summary
A handle assembly may include a base, a handle rotably coupled to the base via a hinge, the handle comprising a lock integral to the handle and mechanically coupled to a remainder of the handle via a spring having a spring force that biases the lock in a locked position relative to the handle. The base may include a mechanical retention feature for receiving and mechanically retaining an information handling resource. The base may also include one or more features configured to, as the handle is translated into a closed position relative to the base, mechanically engage with the lock to overcome the spring force that biases the lock in a locked position and allows the lock to return to the locked position in order to maintain the handle in the closed position.