Modular Fiber Optic Tray Enclosure for High-Density Cassette Flexibility

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Solution Overview

Problem

Existing fiber optic network technologies are inefficient in utilizing cassettes, as they are often unique to specific applications and do not allow for flexible, high-density configurations, leading to inefficient use of space and increased inventory needs.

Innovation Solution

A multifunctional tray enclosure system with interchangeable components, including a base tray, side walls, mount plates, and a top wall, which can accommodate various fiber optic applications such as splicing, pre-terminated cables, and different base configurations (Base-8, Base-12, Base-16, Base-24) through interlocking bosses and dividing walls, allowing for customizable and efficient use of space.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If multiple unique cassettes are used for different fiber optic applications, then each application can be properly supported, but inventory complexity and space requirements increase

Engineering Contradiction:
Improveapplication compatibilityVSAvoidinventory quantity
Core Design Contradiction:
Adaptability or versatilityVSQuantity of substance

Solution Approach 1:

The tray enclosure is designed as a universal platform that can accommodate multiple fiber optic applications through interchangeable components. The base tray can work with different side walls, mount plates, and top walls to support various configurations including splicing, pre-terminated cables, and different base configurations (Base-8, Base-12, Base-16, Base-24), eliminating the need for multiple unique cassettes.

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

Solution Approach 2:

The cassette system is divided into separate functional components: base tray, side walls, mount plates, and top walls. Each component can be independently selected and assembled to create the specific configuration needed for a particular application, allowing a single base tray to serve multiple purposes through component interchangeability.

Inventive Principle:
Principle #1Segmentation

2Adaptability or versatility

If traditional cassette systems are used, then application-specific requirements are met, but space utilization efficiency decreases

Engineering Contradiction:
Improveapplication supportVSAvoidspace utilization
Core Design Contradiction:
Adaptability or versatilityVSArea of stationary object

Solution Approach 1:

A single base tray enclosure can be reconfigured to support multiple applications by changing side walls, mount plates, and top walls. This multi-functionality allows one physical unit to replace what would traditionally require multiple dedicated cassettes, significantly improving space utilization in rack-mounted fiber optic systems.

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

3Ease of manufacture

If fixed configuration cassettes are used, then manufacturing is simplified, but on-site flexibility and customization are reduced

Engineering Contradiction:
Improvemanufacturing simplicityVSAvoidon-site customization
Core Design Contradiction:
Ease of manufactureVSAdaptability or versatility

Solution Approach 1:

The system is manufactured as standardized modular components (base trays, side walls, mount plates, top walls) that can be easily assembled and reconfigured on-site. The base trays are manufactured with standardized features like tray runner guides and fastener openings, while the interchangeable components allow field technicians to customize configurations without complex manufacturing processes.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The system transitions from fixed, static cassette configurations to a dynamic, reconfigurable platform. Components can be added, removed, or swapped at any time to adapt to changing requirements, allowing the same base tray to evolve its configuration based on operational needs while maintaining manufacturing simplicity through standardized interfaces.

Inventive Principle:
Principle #15Dynamics

Data Source

PatentUS20260016652A1Sliding tray enclosure and fiber optic organizing system
Publication Date: 2026.01.15 AFL COMM LLC
  • US20260016652A1 patent drawing
  • US20260016652A1 patent drawing
  • US20260016652A1 patent drawing

AI summary

A fiber optic tray enclosure is provided, including a base tray including a base wall extending along a lengthwise direction and a widthwise direction. the base wall forming a fastener opening configured to receive a fastener. The side wall is attachable to the base wall at the fastener opening. A plurality of mount plates is attachable to the base wall and separated from one another along the lengthwise direction. The mount plates forming an opening configured to receive a telecommunications adapter. A top wall is attachable to the mount plate, wherein the top wall, the base wall, the side wall, and the pair of mount plates form an interior volume therebetween.