Adjustable Cable Guide Bracket for Dense Chassis Routing

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Cable management in networking devices is challenging due to the increasing port density, which leads to cumbersome routing and misalignment of cables, especially in small form factor chassis, where static cable guides fail to maintain the required bend radius and separate electrical and optical cables effectively.

Innovation Solution

An adjustable cable management system comprising a cable guide connector and bracket that allows sliding and rotational adjustments to align with cable exit positions, maintaining the required bend radius and separating cables by type, with features like a 'magic nut' for secure positioning and a spring-loaded retainer for easy adjustment.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Manufacturing precision

If static cable guides are used in small form factor chassis, then cable routing structure is simple, but cable bend radius cannot be maintained and cable alignment is poor

Engineering Contradiction:
Improvecable bend radius maintenanceVSAvoidcable guide structure
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The patent applies the dynamics principle by making the cable guide adjustable rather than static. The cable guide can be repositioned along the chassis length and rotated to different angles, allowing it to adapt to different cable routing requirements while maintaining proper bend radius in compact spaces.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The cable guide is divided into separable components including a guide body, mounting bracket, and retention mechanism. This segmentation allows for flexible assembly and adjustment, enabling precise positioning to maintain cable bend radius without requiring a complex monolithic structure.

Inventive Principle:
Principle #1Segmentation

2Adaptability or versatility

If port density is increased in networking devices, then device functionality is improved, but cable management becomes more challenging

Engineering Contradiction:
Improvedevice functionalityVSAvoidcable management
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

The cable guide system is designed with universal mounting capabilities that can accommodate multiple cable types and routing configurations. The adjustable positioning and rotation features allow a single guide structure to serve multiple functions across different port densities and cable management scenarios.

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

Solution Approach 2:

The dynamic adjustability of the cable guide enables it to adapt to varying cable management needs as port density changes. Operators can reposition and reorient guides to maintain ease of cable management even as the number of ports and cable connections increases.

Inventive Principle:
Principle #15Dynamics

3Area of stationary object

If electrical and optical cables are routed together, then cable routing space is reduced, but cable interference and management difficulty increase

Engineering Contradiction:
Improvecable routing spaceVSAvoidcable interference
Core Design Contradiction:
Area of stationary objectVSObject-generated harmful factors

Solution Approach 1:

The cable guide system applies local quality by providing different guide configurations for different cable types. Electrical and optical cables can be routed through separately positioned guides, allowing each cable type to have its own optimized path while maintaining compact overall routing space.

Inventive Principle:
Principle #3Local quality

Solution Approach 2:

The segmentation of cable routing into separate guide-mounted paths allows electrical and optical cables to be physically separated where needed to prevent interference, while still maintaining efficient use of overall routing space through coordinated guide positioning.

Inventive Principle:
Principle #1Segmentation

Data Source

PatentEP3855756B1Adjustable cable management slide and direction control for optimized routing
Publication Date: 2022.10.19 CISCO TECHNOLOGY INC
  • EP3855756B1 patent drawingFigure 1
  • EP3855756B1 patent drawingFigure 2A~2B
  • EP3855756B1 patent drawingFigure 3A~3C

AI summary

An apparatus is disclosed comprising a cable guide connector configured to engage a slot of a networking chassis having a length extending along a first axis and a cable management bracket configured to engage the cable guide connector. The cable management bracket comprises an elongated section configured to support one or more cables in the networking chassis; a first end having a protrusion configured to engage one of a plurality of apertures in the cable guide connector and define a plurality of selectable angles at which the cable management bracket can be positioned relative to a second axis that is perpendicular to the first axis through which the slot extends; and a second end configured to enable rotation of the cable management bracket about the second axis.