Square Octagon Adapter Angled Slots Wiring Space

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Solution Overview

Problem

Current adapters for electrical junction boxes, particularly those transitioning from square to circular or octagonal configurations, often result in limited cutout space, necessitating additional modifications and hardware to secure fixtures properly, and cannot accommodate octagonal mounting plates without requiring changes to the existing junction box.

Innovation Solution

A square to octagon adapter with a generally square baseplate featuring an octagonal opening, angled slots for secure fastening, and flanges for additional support, allowing for secure mounting of round or octagonal devices while maximizing usable space within the existing square junction box.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a square to circular adapter is used to accommodate round devices, then the device can be mounted on a square junction box, but the cutout space is limited and additional mounting straps and plates are required

Engineering Contradiction:
Improveadapter compatibilityVSAvoidcutout space
Core Design Contradiction:
Adaptability or versatilityVSArea of stationary object

Solution Approach 1:

The patent applies curvature by transitioning from a square adapter design to a circular adapter design that matches the round device opening. The circular shape of the adapter body and opening provides optimal space utilization while maintaining compatibility with square junction boxes, eliminating the need for additional mounting hardware.

Inventive Principle:
Principle #14Spheroidality (Curvature)

2Adaptability or versatility

If a square to circular adapter is used, then round devices can be mounted, but tremendous field modifications are required and wiring space is limited

Engineering Contradiction:
Improvedevice compatibilityVSAvoidmodification requirements
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The adapter design incorporates multiple functions within a single component: it provides device mounting surfaces, creates adequate wiring space through its circular geometry, and includes integrated mounting mechanisms that eliminate the need for additional straps or plates. This multi-functional design reduces field modifications to a minimum.

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

3Adaptability or versatility

If existing square junction boxes are modified to accommodate octagonal devices, then octagonal mounting plates can be installed, but changes to the existing junction box are required

Engineering Contradiction:
Improvemounting plate compatibilityVSAvoidinstallation simplicity
Core Design Contradiction:
Adaptability or versatilityVSEase of manufacture

Solution Approach 1:

The circular adapter serves as an intermediary component between the square junction box and the octagonal device mounting plate. Rather than modifying the existing square junction box, the adapter is mounted to it and provides the appropriate circular opening and mounting surfaces for octagonal devices, simplifying installation.

Inventive Principle:
Principle #24Intermediary (Mediator)

4Area of stationary object

If the adapter opening is made larger to provide more wiring space, then wiring and fixture protrusions can be accommodated, but the device mounting area is reduced

Engineering Contradiction:
Improvewiring spaceVSAvoiddevice mounting area
Core Design Contradiction:
Area of stationary objectVSArea of moving object

Solution Approach 1:

The adapter design applies local quality by creating different functional zones: the circular opening provides maximum wiring space in the center area, while the peripheral region maintains adequate device mounting surfaces. This zonal differentiation allows both wiring and mounting requirements to be satisfied simultaneously within the adapter structure.

Inventive Principle:
Principle #3Local quality

Data Source

PatentUS20180205212A1Square to octagon electrical adapter for a square electrical junction box
Publication Date: 2018.07.19 SOUTHWIRE CO LLC
  • US20180205212A1 patent drawing
  • US20180205212A1 patent drawing
  • US20180205212A1 patent drawing

AI summary

The present invention is a square to octagon adapter for a square electrical junction box.