Fiber-Optic Cable Routing Guide for Bend-Radius Protection
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Solution Overview
Problem
Fiber-optic cables are prone to damage when routed through openings in server sidewalls due to excessive bending beyond their rated bend radius.
Innovation Solution
A guide with a curved ramp-shaped surface and cable-retaining walls is designed to support and limit the bend radius of fiber optic cables, featuring a minimum curvature greater than the cable's rated bend radius, along with structural elements for affixation to the panel.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If fiber-optic cables are routed through openings in server sidewalls, then cable routing is enabled, but the cables are prone to damage due to excessive bending beyond their rated bend radius
Solution Approach 1:
The patent introduces a guide structure as an intermediary component between the cable and the panel opening. This guide includes a curved ramp-shaped guide surface that acts as a mediator to control and limit the bend radius of the cable, preventing direct contact between the cable and sharp edges of the opening while enabling cable routing through the opening.
Solution Approach 2:
The patent applies curvature by designing a ramp-shaped guide surface with a specific radius of curvature. This curved surface guides the cable around the opening while maintaining a bend radius that does not exceed the cable's rated bend radius, thus preventing cable damage while enabling routing through the opening.
2Reliability
If a guide structure is added to protect cables, then cable integrity is improved, but the device complexity increases
Solution Approach 1:
The patent combines multiple functions into a single integrated guide structure. The guide includes a ramp-shaped guide surface for guiding cables, cable-retaining walls for securing cables, and affixation structures for mounting to the panel, all in one component. This merging reduces the number of separate parts while providing comprehensive cable protection.
Solution Approach 2:
The guide structure serves multiple functions simultaneously: it guides cables around the opening, retains cables in position, limits bend radius, and affixes to the panel. This multi-functionality reduces the need for separate components, thereby reducing overall device complexity while improving cable integrity.
3Reliability
If the guide surface width is increased to provide better cable support, then cable retention is improved, but the guide occupies more space
Solution Approach 1:
The patent applies local quality by creating cable-retaining walls at specific locations (at each end of the guide surface) rather than increasing the overall width of the guide surface. These localized walls provide cable retention functionality while maintaining a compact guide surface area, thus improving cable retention without proportionally increasing the occupied space.
Data Source
AI summary
An optic cable guide securable to a housing panel and having a guide surface with a radius of curvature to restrict cable bends and projecting over a hole in the panel through which cables pass or alternatively securable to an inner surface of the panel for routing cables within the housing.