Retractable Recessed Electrical Outlet Assembly

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Solution Overview

Problem

Standard electrical outlets are limited in the number of devices they can accommodate, and existing solutions like power strips and multi-outlet converters are cumbersome and require significant installation changes, making it difficult to increase outlet capacity within existing electrical boxes.

Innovation Solution

A retractable electrical outlet assembly that fits into a standard electrical box, featuring a multi-socket component with at least one socket exposed in the closed position and additional sockets accessible in the open position, allowing for increased capacity without altering the wall or wiring, and includes data ports and safety features like GFCI or AFCI.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Quantity of substance

If power strips or multi-outlet converters are used to increase outlet capacity, then the number of available outlets increases, but the device becomes cumbersome and protrudes from the wall

Engineering Contradiction:
Improvenumber of outletsVSAvoidaesthetics and convenience
Core Design Contradiction:
Quantity of substanceVSEase of operation

Solution Approach 1:

The patent employs a nested structure where multiple outlet sockets are arranged in a compact configuration within a single outlet box. The outlets are nested in a hierarchical arrangement that allows them to be contained within the standard electrical box dimensions, eliminating the need for protruding power strips while maintaining multiple functional outlets.

Inventive Principle:
Principle #7Nested doll (Nesting)

Solution Approach 2:

The patent utilizes three-dimensional spatial arrangement by configuring outlets on multiple planes and angles within the outlet box. This dimensional optimization allows maximum outlet capacity while maintaining a flush, sleek profile that does not protrude from the wall surface.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

2Quantity of substance

If existing electrical outlets are changed to outlets with additional sockets, then the outlet capacity increases, but installation requires larger outlet boxes, wall changes, and electrical wiring modifications

Engineering Contradiction:
Improveoutlet capacityVSAvoidinstallation complexity
Core Design Contradiction:
Quantity of substanceVSEase of manufacture

Solution Approach 1:

The patent designs a multi-functional outlet assembly that can be installed in standard electrical boxes without requiring wall modifications or wiring changes. The universal design accommodates various outlet configurations and can replace existing single-outlet boxes while maintaining compatibility with standard electrical infrastructure.

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

Solution Approach 2:

The patent incorporates a retractable mechanism that allows the outlet assembly to dynamically transition between retracted and extended positions. This dynamic feature enables the outlets to be concealed within the wall when not in use and accessed when needed, eliminating the need for permanent wall modifications or larger outlet boxes.

Inventive Principle:
Principle #15Dynamics

3Quantity of substance

If a retractable mechanism is added to provide additional outlets, then outlet capacity increases, but the device complexity increases

Engineering Contradiction:
Improvenumber of accessible outletsVSAvoidmechanism complexity
Core Design Contradiction:
Quantity of substanceVSDevice complexity

Solution Approach 1:

The patent extracts the retractable mechanism from the main outlet body, designing it as a separate, independently movable component. This separation simplifies the overall system by allowing the mechanism to be operated independently without affecting the structural integrity of the outlet assembly, thereby reducing perceived complexity while maintaining functionality.

Inventive Principle:
Principle #2Taking out (Extraction)

Data Source

PatentEP3257111B1Retractable recessed electrical outlet and data port assembly
Publication Date: 2021.03.31 FORTI ERIC
  • EP3257111B1 patent drawingFigure 1~3
  • EP3257111B1 patent drawingFigure 4~7
  • EP3257111B1 patent drawingFigure 8~9

AI summary

The present invention relates to a retractable electrical receptacle assembly which is installed into a standard electrical box and is substantially flush to a mounting surface into which the electrical box is mounted. The invention may be mounted into a wall, floor, countertop or work surface. The invention can be installed as part of new electrical service or can replace an existing outlet by wiring into an existing electrical box. The invention includes at least one operative socket in the closed position and at least one additional operative socket in the open position.