Optical Fiber Adapter Security Removal Tool Design

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Solution Overview

Problem

Conventional optical fiber adapters and connectors lack protection against improper use and inappropriate removal, with existing security mechanisms being difficult to disable securely.

Innovation Solution

A removal tool with second and third resilient arms and coupling units that interact with optical fiber adapter and connector securities to prevent improper use and removal, while allowing the same tool to disable the securities' protection mechanisms.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If optical fiber adapters and connectors are left unprotected, then ease of operation is improved, but reliability deteriorates due to improper use and inappropriate removal

Engineering Contradiction:
Improveease of operationVSAvoidreliability
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The patent applies preliminary anti-action by providing security mechanisms (adapter security and connector security) that prevent improper use and inappropriate removal before such actions can occur. The adapter security includes a lid that covers the adapter and resilient arms that engage with the connector, while the connector security includes a protective cover and resilient arms that engage with the adapter, creating preliminary protective barriers against potential damage

Inventive Principle:
Principle #9Preliminary anti-action

Solution Approach 2:

The patent applies preliminary action by requiring a specific removal tool to be used before the connector can be disconnected from the adapter. The removal tool must first engage with both the adapter security and connector security mechanisms in a specific sequence, ensuring that proper procedures are followed before any disconnection occurs, thus preventing improper removal

Inventive Principle:
Principle #10Preliminary action

2Reliability

If security mechanisms are added to prevent improper use and removal, then reliability is improved, but device complexity worsens

Engineering Contradiction:
ImprovereliabilityVSAvoiddevice complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent applies universality by designing a single removal tool that performs multiple functions: it engages with both the adapter security lid mechanism and the connector security cover mechanism, and it sequentially actuates both resilient arm systems to release both securities. This multi-functional tool consolidates what would otherwise require multiple separate tools or procedures, thereby limiting the increase in device complexity

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent applies merging by combining the removal functions for both adapter security and connector security into a single integrated removal tool. The tool merges the engagement features, resilient arm actuation mechanisms, and release sequences for both security systems into one unified device, reducing the overall complexity that would arise from requiring separate tools for each security mechanism

Inventive Principle:
Principle #5Merging (Combining)

3Ease of operation

If a removal tool is designed to disable both adapter security and connector security, then ease of operation is improved by using a single tool, but manufacturing precision worsens due to matching multiple mechanisms

Engineering Contradiction:
Improveease of operationVSAvoidmanufacturing precision
Core Design Contradiction:
Ease of operationVSManufacturing precision

Solution Approach 1:

The patent applies segmentation by dividing the removal tool into distinct functional modules: a first engagement feature for the adapter security lid, a first resilient arm system for actuating the adapter security, a second engagement feature for the connector security cover, and a second resilient arm system for actuating the connector security. This modular segmentation allows each component to be manufactured and tested independently, then assembled into the complete tool, thereby managing manufacturing precision requirements

Inventive Principle:
Principle #1Segmentation

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 prevents improper use and inappropriate removal of optical fiber adapters and connectors, while enabling the same tool to disable the securities' protection, enhancing security and usability.

Implementation Method 1

two second resilient arms connected to the first body and matching the optical fiber connector security

Methodology Applied
Scientific EffectElasticity: Elasticity

Data Source

PatentUS8873921B2Optical fiber adapter security, optical fiber connector security, and removal tool for use therewith
Publication Date: 2014.10.28 HSING CHAU INDAL
  • US8873921B2 patent drawing
  • US8873921B2 patent drawing
  • US8873921B2 patent drawing

AI summary

An optical fiber adapter security, an optical fiber connector security, and a removal tool for use therewith are introduced. The removal tool includes a first body and two second resilient arms. The first body has a first coupling unit. The first coupling unit matches the optical fiber connector security. The second resilient arms are connected to the first body and connected to second coupling units, respectively. The second resilient arms match the optical fiber connector security. The second resilient arms and the second coupling units together match the optical fiber adapter security. The optical fiber adapter security prevents improper use of the optical fiber adapter. The optical fiber connector security prevents inappropriate removal of the optical fiber connector set. Protection provided by the optical fiber adapter security and the optical fiber connector security can be disabled by the same removal tool.