Fiber Optic Cassette Mounting with Adjustable Perforated Rails

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Solution Overview

Problem

Existing fiber optic network termination points face space constraints when trying to accommodate both older, larger and newer, smaller fiber optic cassettes, as current mounting structures often require significant unutilized space or are inefficient in using available space.

Innovation Solution

A system utilizing angle-iron-shaped elongated members with shelf fastener perforations and adapter brackets that allow for secure mounting of fiber optic cassettes in a horizontal array, enabling efficient use of space and accommodating cassettes of varying dimensions through adjustable center-to-center spacing.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a traditional mounting structure is used to accommodate fiber optic cassettes, then the cassettes can be securely mounted, but significant unutilized space is created when cassettes of varying dimensions are mounted

Engineering Contradiction:
Improvecompatibility with different cassette sizesVSAvoidunutilized space in mounting structure
Core Design Contradiction:
Adaptability or versatilityVSArea of stationary object

Solution Approach 1:

The mounting structure employs adjustable mounting positions with multiple perforation patterns that can be reconfigured to match different cassette widths. This dynamic adjustability allows the same structure to accommodate varying cassette dimensions without creating wasted space, as the mounting points can be shifted to optimize space utilization for each specific cassette size.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The structure utilizes variable mounting parameters including different perforation spacings and positions along the mounting rails. By changing these parameters according to the specific cassette dimensions being installed, the system achieves full space utilization while maintaining compatibility with both older larger cassettes and newer smaller cassettes.

Inventive Principle:
Principle #35Parameter changes

2Area of stationary object

If the mounting structure is designed for maximum space efficiency, then space is utilized effectively, but the structure becomes more complex

Engineering Contradiction:
Improvespace utilization efficiencyVSAvoidmounting structure complexity
Core Design Contradiction:
Area of stationary objectVSDevice complexity

Solution Approach 1:

The mounting structure is divided into modular segments with standardized components. Each segment contains a set of perforations that can be independently configured. This segmentation allows the complex space-efficient design to be broken down into manageable, repeatable units that are easier to manufacture and install while maintaining overall space optimization.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The mounting structure incorporates universal mounting rails and standardized fastening mechanisms that serve multiple functions. The same rail system with its array of perforations can accommodate different cassette sizes, support various mounting configurations, and provide both security and adjustability, thereby reducing overall structural complexity despite achieving maximum space efficiency.

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

3Area of stationary object

If older larger cassettes and newer smaller cassettes are mounted together in a single structure, then space efficiency improves, but mounting compatibility becomes more difficult

Engineering Contradiction:
Improvespace efficiency at termination pointVSAvoidcompatibility of mounting structure with different cassette dimensions
Core Design Contradiction:
Area of stationary objectVSAdaptability or versatility

Solution Approach 1:

The mounting structure features dynamically adjustable mounting positions along the rails, allowing installers to reconfigure the spacing and positioning of mounting points to match the specific width of each cassette being installed. This dynamic reconfiguration capability enables the same structure to perfectly accommodate both larger legacy cassettes and smaller modern cassettes in the same termination point.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The system employs variable mounting parameters including adjustable perforation selection and repositionable fasteners. By changing these parameters based on the cassette dimensions being mounted, the structure achieves both compatibility with different cassette types and maximum space efficiency in the termination point enclosure.

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentUS9285558B2System for mounting a plurality of fiber optic cassettes to a high density cassette shelf
Publication Date: 2016.03.15 AMPHENOL NETWORK SOLUTIONS INC
  • US9285558B2 patent drawing
  • US9285558B2 patent drawing
  • US9285558B2 patent drawing

AI summary

A system for mounting a plurality of fiber optic cassettes includes an enclosure and angle-iron-shaped elongated members that are affixed within the enclosure and vertically spaced apart. The elongated members include shelf fastener perforations disposed at regular intervals along a mounting surface and arranged to horizontally and vertically align with fastener perforations of one of the fiber optic cassettes. The system further includes a plurality of adapter brackets. Each of the adapter brackets include first and second generally planar sections spaced apart from one another and a third section joining the first and second sections. The third section includes a bracket fastener perforation. First, second and third stabilization features protrude from the first and second planar sections and are collectively arranged to secure the adapter bracket to one of the elongated members and to simultaneously allow the adapter bracket to move in a horizontal direction without substantial resistance.