Rotatable Strain Relief Assembly for Dense Fiber Cable Routing

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Solution Overview

Problem

Existing strain relief assemblies are inadequate for managing fiber optic cables in high-density applications, lacking flexibility and efficient cable management.

Innovation Solution

A strain relief assembly with a support portion, a strain relief portion, and a securing mechanism that allows rotation and secure positioning of a cable receiving portion, enabling flexible orientation and secure attachment of fiber optic cables.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If existing strain relief assemblies are used, then the structure is simple, but they fail to efficiently manage fiber optic cables in high-density applications due to lack of adjustability

Engineering Contradiction:

Improvecable management adaptabilityVSAvoidassembly structure complexity

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The strain relief member is designed to rotate about an axis between multiple angled orientations and a horizontal orientation, transforming a static assembly into a dynamic one that can adapt to different cable routing requirements while maintaining a relatively simple overall structure

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The assembly is divided into distinct functional portions: a support portion with a base, a strain relief portion that rotates, and a securing portion. This segmentation allows each component to perform its specific function independently, enhancing adaptability without proportionally increasing overall complexity

Inventive Principle:

Principle #1Segmentation

2Ease of operation

If the strain relief member is fixed in position, then the structure is stable, but it cannot rotate to enable optimal cable routing orientations

Engineering Contradiction:

Improvecable routing flexibilityVSAvoidstrain relief member stability

Core Design Contradiction:

Ease of operationVSStability of the object's composition

Solution Approach 1:

The strain relief member transitions from a fixed state to a rotatable state, allowing it to be adjusted during installation and operation for optimal cable routing, while still maintaining stable secured and released positions through the securing mechanism

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The securing portion automatically disables rotation when engaged, providing self-stabilization, and can be easily released when adjustment is needed, allowing the system to self-regulate between stable and flexible states without external intervention

Inventive Principle:

Principle #25Self-service

Data Source

PatentUS12590649B2Strain relief assembly

Publication Date: 2026.03.31 BELDEN CANADA ULC

AI summary

A strain relief assembly comprising a support portion including a base portion, a first portion coupled with the base portion, and a second portion extending away from an end of the first portion, a strain relief portion attached to a free end of the second portion for rotation about an axis, a securing portion that moves relative to the strain relief portion between a secured position and a released position. The strain relief portion comprises a cable receiving portion arranged along the axis. The securing portion disables rotation of the strain relief member about the axis when in the secured position and enables rotation of the strain relief member about the axis when in the released position. The strain relief portion rotates about the axis between a first angled orientation and a second angled orientation through a horizontal orientation so as to enhance management of fiber optic-cables in high-density applications.