Telecommunications Cable Inlet Device Centering Mechanism
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Solution Overview
Problem
Conventional inlet devices for telecommunication cables are complex and difficult to install in the field, lacking a simple and cost-effective solution for securely centering optical fiber cables within telecommunications enclosures.
Innovation Solution
A tubular housing with a compressible portion and strength member securing section, featuring flexible fingers and a protective sleeve, which centers and secures the cable, reducing installation complexity and requiring fewer parts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional inlet devices are used, then cable protection is provided, but installation complexity increases and field installation becomes difficult
Solution Approach 1:
The patent combines multiple functions (cable protection, centering, and securing) into a single integrated inlet device structure. The housing integrates a compressible portion for protection, flexible fingers for centering, and a strength member securing section, eliminating the need for separate components and simplifying installation while maintaining reliability
Solution Approach 2:
The inlet device is designed as a multi-functional component that simultaneously provides cable protection through its housing structure, cable centering through flexible fingers, and strength member securing through an integrated securing section. This universal design reduces the number of parts needed and simplifies field installation
2Reliability
If conventional inlet devices with multiple parts are used, then cable securing is achieved, but the number of parts increases and installation time increases
Solution Approach 1:
The patent merges cable centering and securing functions into a single integrated structure. The flexible fingers provide centering while the strength member securing section provides anchoring, both within one housing unit. This reduces the number of assembly steps and parts, significantly reducing installation time while maintaining secure cable fixation
3Reliability
If conventional inlet devices are used, then cable protection is provided, but the cost of the device increases
Solution Approach 1:
The patent integrates multiple protective and securing functions into a single housing structure, reducing the total number of components that need to be manufactured and assembled. This consolidation lowers manufacturing costs while maintaining comprehensive cable protection through the integrated compressible portion, flexible fingers, and strength member securing section
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 low-cost, field-installable inlet device that securely centers optical fiber cables, simplifying the installation process and reducing the number of parts needed, while ensuring proper alignment and protection within telecommunications enclosures.
Implementation Method 1
The tubular housing has a compressible portion at the first end of the housing to conform to an outer surface of the communication cable
Implementation Method 2
The compression member may be fitted over the compressible portion to center the communication cable in the inlet device
Implementation Method 3
The strength member securing section may be configured to secure a strength member of an optical fiber cable to the housing
Data Source
AI summary
An inlet device is described for inserting a telecommunication cable into a telecommunications enclosure. The inlet device includes a housing compressible portion and a strength member securing section configured to fasten at least one strength member of the cable to the housing. The cable is centered in the housing when a protective sleeve is applied over a compressible portion of the housing. A method for preparing a cable assembly is also described. A telecommunications enclosure including an inlet device is also described.