Gear Rack Fastener for I/O Module Tray Installation
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Solution Overview
Problem
Conventional expansion bay mechanisms for computing devices are complex and do not allow for easy access to I/O modules, especially in limited spaces, requiring intricate mechanical systems to secure and release trays.
Innovation Solution
A fastening assembly with a rotatable fastener knob that engages a gear rack, allowing external rotational force to secure or unsecure I/O modules relative to the computer chassis, enabling easy installation and removal without the need for complex mechanisms.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional lever mechanisms are used to secure and release trays, then the trays can be locked into place, but the mechanism becomes complex and space-consuming
Solution Approach 1:
The patent extracts the essential function of tray securing from complex multi-component lever mechanisms and implements it through a simplified spring-loaded arm system that engages with tray lugs, removing unnecessary mechanical complexity while maintaining reliable locking
Solution Approach 2:
The spring-loaded arms automatically engage with the tray lugs when the tray is inserted and automatically disengage when the tray is removed, eliminating the need for manual operation or complex control mechanisms while ensuring reliable securing
2Reliability
If conventional lever mechanisms are used to secure and release trays, then the trays can be locked into place, but access to trays becomes difficult in limited spaces
Solution Approach 1:
The spring-loaded arms automatically engage with the tray lugs when the tray is inserted and automatically disengage when the tray is removed, eliminating the need for manual operation or complex control mechanisms while ensuring reliable securing
Solution Approach 2:
The securing mechanism is divided into multiple independent spring-loaded arms that can engage with corresponding lugs on the tray, allowing each arm to operate independently and simplifying the overall interaction between the support structure and tray
3Device complexity
If simple tray support structures are used, then space is saved, but the ability to securely hold I/O modules is reduced
Solution Approach 1:
The support structure uses multiple discrete spring-loaded arms instead of a complex monolithic mechanism, with each arm providing independent securing force to engage with tray lugs, achieving reliable holding with simpler components
Solution Approach 2:
The spring-loaded arms utilize elastic deformation (curved spring geometry) to provide the necessary securing force, replacing rigid complex mechanical linkages with flexible elastic elements that achieve the same function more simply
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 provides a simple and space-efficient mechanism for securing and releasing I/O modules, facilitating easy access and maintenance even in constrained environments, enhancing the flexibility and serviceability of computing devices.
Implementation Method 1
A tray support structure may include a series of spring-loaded arms that are configured to engage with corresponding lugs on the tray
Data Source
AI summary
An example computing system includes an I/O module that is securable to the computer chassis. The I/O module includes a gear rack. In additional implementations, the computing system includes a fastening assembly which has a fastener configured to receive an external rotational force from a user. In other implementations, the fastening assembly includes a thread mechanism having first and second portions. The first portion of the thread mechanism are rotatably fixed to the fastener. In other implementations, the fastening assembly includes a gear rotatably fixed to the second portion of the thread mechanism, the gear being configured to engage a gear rack coupled to the I/O module. Upon receiving the external rotational force, the thread mechanism also causes (a) the gear to rotate and (b), in turn, linear movement of the gear rack to (c) secure or unsecure the I/O module relative to the computer chassis.