Replaceable Power Outlet Cover With Hidden Fasteners

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Solution Overview

Problem

Existing electrical power outlets lack customization options for aesthetic appearance and easy replacement of covers, and often expose fasteners and structures, which can be unsightly and difficult to manage.

Innovation Solution

An electrical power unit with a modular design that allows easy installation, removal, and replacement of an outer cover, featuring elongate guide elements for alignment and snap-fit elements for secure attachment, along with interchangeable face panels to change the appearance and conceal fasteners.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If the power unit uses a fixed housing design, then structural stability is maintained, but aesthetic customization and ease of cover replacement are limited

Engineering Contradiction:
Improveaesthetic customizationVSAvoidhousing structure
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The power unit housing is divided into separate modular components: a base housing and a removable outer cover. This segmentation allows the cover to be easily replaced for aesthetic customization while the base housing maintains structural stability and houses the electrical components.

Inventive Principle:
Principle #1Segmentation

2Ease of operation

If the outer cover is made removable and replaceable, then aesthetic customization and ease of replacement are improved, but secure attachment and resistance to inadvertent removal become challenging

Engineering Contradiction:
Improvecover replacementVSAvoidcover attachment security
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

Alignment features such as guide ribs and corresponding guide channels are pre-formed during manufacturing. These features automatically guide the cover into proper alignment with the base housing during installation, ensuring secure attachment while allowing easy removal when needed.

Inventive Principle:
Principle #10Preliminary action

3Ease of manufacture

If fasteners and internal structures are exposed, then assembly is simplified, but aesthetic appearance deteriorates

Engineering Contradiction:
Improveassembly simplicityVSAvoidaesthetic appearance
Core Design Contradiction:
Ease of manufactureVSShape

Solution Approach 1:

The outer cover is designed to completely enclose and hide all fasteners, seams, and internal structural elements of the base housing. This extraction of aesthetic concerns from the functional assembly allows simple manufacturing processes while achieving a clean, unified appearance from the user's perspective.

Inventive Principle:
Principle #2Taking out (Extraction)

Data Source

PatentUS12471232B2Electrical power unit with replaceable outer cover
Publication Date: 2025.11.11 BYRNE NORMAN R
  • US12471232B2 patent drawing
  • US12471232B2 patent drawing
  • US12471232B2 patent drawing

AI summary

An electrical power unit includes housing portions that are assembled together and then surrounded by a cover extending around their top, bottom, and sides. At least one of the housing portions includes elongate element, such as a ridge or channel, which aligns with an elongate guide element, such as a channel or ridge, which is defined by the outer cover. Front and rear face panels enclose or cover front and rear openings defined by the housing portions, with one or both face panels providing support and/or access to electrical outlets or contacts inside the housing portions.