Fiber Optic Cable Port Entry Hooks for Flexible Strain Relief

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Solution Overview

Problem

Current securing mechanisms for fiber optic cables, such as cable glands and cable ties, require additional tools and skill, are costly, and lack flexibility, leading to challenges in configuring networks and manufacturing dedicated solutions that do not adapt to changing market demands.

Innovation Solution

A cable port entry system with inner and outer hooks that engage with optical hardware components, enabling proper routing of cables within a fiber optic terminal, and incorporating strain relief assemblies and connector adapters for secure and adaptable installation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If cable glands are used to secure cables, then cable stability is improved, but installation cost and complexity increase due to high skill requirements and additional tools

Engineering Contradiction:
Improvecable stabilityVSAvoidinstallation complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent replaces expensive cable glands with disposable cable ties that are inexpensive and easy to install. The cable ties are designed to be single-use components that can be quickly applied without specialized tools or skills, thereby reducing installation complexity while maintaining adequate cable stability for the application.

Inventive Principle:
Principle #27Cheap short-living objects (Disposable)

Solution Approach 2:

The cable ties are designed to be self-installing components that do not require additional tools or specialized skills. The installer can directly apply the cable ties to secure cables without needing auxiliary equipment or extensive training, making the installation process self-service oriented and significantly reducing installation complexity.

Inventive Principle:
Principle #25Self-service

2Ease of manufacture

If cable ties are used to secure cables, then installation cost decreases, but long-term reliability deteriorates due to instability over time

Engineering Contradiction:
Improveinstallation costVSAvoidcable stability
Core Design Contradiction:
Ease of manufactureVSReliability

Solution Approach 1:

The patent accepts the limited long-term durability of cable ties as a trade-off for their low cost and ease of installation. The cable ties are designed as economical, single-use components that provide sufficient stability during the operational lifecycle of the cable assembly, after which they can be replaced if needed without significant cost penalty.

Inventive Principle:
Principle #27Cheap short-living objects (Disposable)

3Manufacturing precision

If dedicated solutions are manufactured for specific network configurations, then cable routing precision is improved, but adaptability to changing market demands decreases

Engineering Contradiction:
Improvecable routing precisionVSAvoidmarket adaptability
Core Design Contradiction:
Manufacturing precisionVSAdaptability or versatility

Solution Approach 1:

The patent employs universal cable ties and standard cable routing components that can be applied to various cable types, sizes, and routing configurations. This universal approach allows the same basic components to serve multiple functions and adapt to different market demands without requiring dedicated custom-manufactured solutions for each specific application.

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

Solution Approach 2:

The cable routing system is designed to be dynamic and adaptable rather than fixed and dedicated. The universal cable ties and modular components can be easily adjusted, repositioned, or replaced to accommodate changing network configurations and market requirements, providing flexibility without sacrificing routing precision.

Inventive Principle:
Principle #15Dynamics

Data Source

PatentEP4653929A1Cable port entry system for fiber optic terminals
Publication Date: 2025.11.26 CORNING RES & DEV CORP
  • EP4653929A1 patent drawingFigure 1
  • EP4653929A1 patent drawingFigure 2
  • EP4653929A1 patent drawingFigure 3

AI summary

The present disclosure relates to a cable port entry system that includes inner hooks and outer hooks that are configured to engage with various optical hardware components (e.g., strain relief devices, adapters, etc.) and thereby, enable proper routing of cables within a fiber optic terminal.