Crossbar Cable Encasing Wrap Bundling Strain Relief

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Solution Overview

Problem

Crossbar switches connected by multiple cables form complex mazes, making it difficult to identify which cable connects to which ports, and the connector experiences significant strain, leading to a shortened lifetime.

Innovation Solution

A crossbar cable system with a switch connector, multiple cables, and an encasing wrap that bundles the cables, providing strain relief and clear labeling to prevent misconnection and damage.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If multiple cables are individually connected to ports in the crossbar switch and equipment, then each cable can be independently connected and disconnected, but the cables form a complex maze that makes it difficult to identify connections and increases the risk of misconnection

Engineering Contradiction:
ImproveIndependent cable connectionVSAvoidCable identification
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

The patent combines multiple individual cables into a single bundled assembly where multiple cables are grouped together and connected to a common connector at the equipment end. This merging approach maintains the independent connectivity of each cable while eliminating the complex maze appearance, making cable identification and management significantly easier through the unified bundled structure.

Inventive Principle:
Principle #5Merging (Combining)

2Adaptability or versatility

If multiple cables are individually connected to ports in the crossbar switch and equipment, then each cable can be independently connected and disconnected, but the connector experiences significant strain from the weight of the cables which shortens its lifetime

Engineering Contradiction:
ImproveIndependent cable connectionVSAvoidConnector lifetime
Core Design Contradiction:
Adaptability or versatilityVSReliability

Solution Approach 1:

The patent merges multiple cable weights into a single bundled assembly that is supported by a common connector. This distributes the mechanical load more effectively and reduces the strain on individual connection points, thereby extending the lifetime and improving the reliability of the connector-cable interface while maintaining independent cable connectivity.

Inventive Principle:
Principle #5Merging (Combining)

3Ease of operation

If cables are bundled together, then cable management is simplified and strain on connectors is reduced, but the ability to independently disconnect individual cables may be compromised

Engineering Contradiction:
ImproveCable managementVSAvoidIndividual cable disconnection
Core Design Contradiction:
Ease of operationVSAdaptability or versatility

Solution Approach 1:

The patent applies segmentation by providing individual cable ties or release mechanisms for each cable within the bundled assembly. This allows cables to be independently disconnected or adjusted while maintaining the bundled configuration, thus preserving adaptability and versatility while achieving simplified cable management and reduced strain on connectors.

Inventive Principle:
Principle #1Segmentation

Data Source

PatentUS7575480B2Crossbar cable including encasing wrap
Publication Date: 2009.08.18 COMMSCOPE DSL SYSTEMS LLC
  • US7575480B2 patent drawing
  • US7575480B2 patent drawing
  • US7575480B2 patent drawing

AI summary

A crossbar cable to connect a crossbar switch with a plurality of outputs comprises a switch connector, a plurality of cables, a plurality of device connectors, and an encasing wrap. The switch connector comprises a plurality of sockets. Each cable has wires connected at a first end to a subset of the sockets in the switch connector. Each device connector is connected to a second end of the wires of one of the plurality of cables. Each of the device connectors is communicatively coupled over the wires to the subset of sockets at the first end of its respective one of the plurality of cables. An encasing wrap bundles the plurality of cables at least at the first ends of the plurality of cables.