Shelf Lock Spring Retention Pocket Enclosure

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Solution Overview

Problem

The layout of computing components in enclosures can become disorganized over time, leading to space constraints and accessibility issues, with traditional shelves lacking user-friendly design features that secure components properly, risking damage from accidental displacement.

Innovation Solution

A removable shelf with a spring-loaded locking mechanism that automatically secures into the enclosure's rails and slots, featuring a retractable tab and spring-loaded mechanism to prevent excessive movement, enhancing user-friendliness and component safety.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a manual lock is used to secure a shelf into the enclosure, then the shelf can be secured, but the user must manually lock it which may be forgotten or failed, leading to accidental displacement and component damage

Engineering Contradiction:
Improveshelf securityVSAvoidmanual locking operation
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The shelf locking mechanism is designed to automatically lock itself when the shelf is inserted into the enclosure. The spring-loaded mechanism engages with the enclosure structure without requiring manual intervention, making the system self-securing and eliminating the need for user action to ensure shelf stability.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The spring-loaded locking mechanism is pre-configured to automatically engage when the shelf is inserted. The spring is pre-compressed and ready to lock the shelf in place as soon as it reaches the correct position, ensuring security is established before the user completes the installation process.

Inventive Principle:
Principle #10Preliminary action

2Device complexity

If traditional shelves are used without automatic locking, then the design is simpler, but the components are at risk of accidental displacement and damage

Engineering Contradiction:
Improvelocking mechanism complexityVSAvoidcomponent security
Core Design Contradiction:
Device complexityVSReliability

Solution Approach 1:

The shelf incorporates a self-securing spring-loaded mechanism that automatically locks when installed. This self-service feature ensures component security without requiring complex manual locking procedures or user intervention, achieving high reliability with minimal operational complexity.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The spring-loaded mechanism provides pre-configured locking capability that cushions against potential displacement. The spring is pre-loaded to provide immediate resistance against accidental movements, protecting components before any displacement can occur.

Inventive Principle:
Principle #11Beforehand cushioning (Prior cushioning)

3Adaptability or versatility

If removable shelving is added to expand space, then more components can be mounted, but the shelf may move excessively without proper securing, causing damage

Engineering Contradiction:
Improvespace expansion capabilityVSAvoidshelf position stability
Core Design Contradiction:
Adaptability or versatilityVSStability of the object's composition

Solution Approach 1:

The spring-loaded locking mechanism automatically secures the shelf in its correct position when installed, providing self-stabilization. This allows the shelf to be removable and repositionable while maintaining stability during operation, enabling space expansion without compromising position stability.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The pre-loaded spring mechanism provides beforehand cushioning that prevents excessive shelf movement. The spring is configured to engage immediately upon shelf insertion, cushioning against any accidental displacement and maintaining stable shelf position throughout operation.

Inventive Principle:
Principle #11Beforehand cushioning (Prior cushioning)

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 more organized and accessible computing environment by securing components without manual locking, reducing the risk of damage and optimizing space utilization within the enclosure.

Implementation Method 1

a spring-loaded locking mechanism that automatically secures into the enclosure's rails and slots, featuring a retractable tab and spring-loaded mechanism to prevent excessive movement

Methodology Applied
Scientific EffectSpring (elasticity): Spring

Data Source

PatentUS10264699B2Enclosure with a shelf
Publication Date: 2019.04.16 HEWLETT PACKARD ENTERPRISE DEV LP
  • US10264699B2 patent drawing
  • US10264699B2 patent drawing
  • US10264699B2 patent drawing

AI summary

In one example, a shelf includes a shelf lock positioned within a spring retention pocket of the shelf. The shelf lock includes a main body that includes a spring retention slot to accommodate a spring and an opening to accommodate a pressure component. The shelf lock includes a retractable tab to be inserted into an enclosure to prevent movement of the shelf when mounted in the enclosure. The spring to exert an outward force to insert the retractable tab into the enclosure and the retractable tab to be retracted by an inward pressure.