Cable Retention Sheet Aperture Friction Strain Relief

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Solution Overview

Problem

Cable connectors on printed circuit boards tend to disengage easily due to normal wear and tear, leading to potential connectivity issues.

Innovation Solution

A cable retention apparatus featuring a sheet member with strategically sized apertures that surround connectors and cables, providing strain relief and frictional retention to maintain coupling between connectors.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If cable connectors are designed for easy engagement and disengagement, then ease of operation is improved, but reliability deteriorates as connectors disengage easily due to normal wear and tear

Engineering Contradiction:
Improveease of connector engagement and disengagementVSAvoidconnector coupling stability
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The sheet member acts as an intermediary component between the cable connector and the printed circuit board connector. It provides strain relief and positional stability to the cable assembly, preventing excessive movement and wear on the connector interfaces while maintaining easy engagement capability.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The sheet member with precisely sized apertures is installed beforehand to pre-position the cable and connector assembly. This preliminary positioning prevents misalignment and excessive stress during operation, thereby maintaining reliable coupling without compromising ease of engagement.

Inventive Principle:
Principle #10Preliminary action

2Reliability

If the sheet member applies frictional pressure to retain the cable, then reliability is improved, but the cable mobility deteriorates

Engineering Contradiction:
Improvecable retention stabilityVSAvoidcable mobility
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The sheet member applies frictional pressure only at specific locations where the cable passes through the apertures, rather than constraining the entire cable. This localized friction provides sufficient retention stability while leaving the rest of the cable free to move as needed for connection and disconnection operations.

Inventive Principle:
Principle #3Local quality

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

Effectively prevents disengagement of connectors by applying frictional pressure through the use of apertures, ensuring stable connectivity and strain relief for cables.

Implementation Method 1

applying frictional pressure through the use of apertures

Methodology Applied
Scientific EffectFriction: Friction

Data Source

PatentUS7234958B1Cable retention apparatus
Publication Date: 2007.06.26 NCR VOYIX CORP
  • US7234958B1 patent drawing
  • US7234958B1 patent drawing
  • US7234958B1 patent drawing

AI summary

A cable retention apparatus. The cable retention apparatus includes a sheet member containing a first aperture suitable for surrounding a first connector, and at least one additional second aperture having inside dimensions which generally correspond to outside dimensions of a cable to be retained. The cable extends from one side of the sheet member through the second aperture to another side of the sheet member. The sheet member provides strain relief to maintain coupling between a second connector on the cable and the first connector.