Antimicrobial Toggle Switch Covers for Retrofit Hygiene Control

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Solution Overview

Problem

Existing switch panels lack effective measures to prevent the spread of bacteria and viruses through human contact with toggle switches, faceplates, and screws, exacerbated by the transmissibility of COVID-19, which can contaminate surfaces without physical contact.

Innovation Solution

Retrofitting switch panels with antimicrobial protective coverings, such as toggle switch covers and faceplate covers, made from plastic molded extrusions impregnated with antimicrobial compounds like copper oxide, to ensure contact occurs only with protected elements, thereby reducing contamination transfer.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Object-affected harmful factors

If switch panels are retrofitted with antimicrobial protective coverings, then hygiene and safety are improved by preventing cross-contamination, but device complexity increases due to additional components

Engineering Contradiction:
Improvebacterial and viral contamination spreadVSAvoidswitch panel structure
Core Design Contradiction:
Object-affected harmful factorsVSDevice complexity

Solution Approach 1:

The toggle switch cover is designed to fit over the existing toggle switch lever, creating a nested structure where the antimicrobial cover encloses the original component. This allows the switch panel to gain antimicrobial protection without requiring complete redesign or replacement of the entire switch assembly, thereby adding protection while minimizing complexity increase.

Inventive Principle:
Principle #7Nested doll (Nesting)

Solution Approach 2:

The toggle switch cover is constructed as a thin-walled plastic molded extrusion that forms a protective shell around the toggle switch lever. This thin-film approach provides antimicrobial protection through the impregnated material without adding significant bulk or structural complexity to the switch panel assembly.

Inventive Principle:
Principle #30Flexible shells and thin films

2Reliability

If toggle switch covers are made from plastic molded extrusion impregnated with antimicrobial compounds, then antimicrobial protection is enhanced, but manufacturing complexity increases

Engineering Contradiction:
Improveantimicrobial protection effectivenessVSAvoidtoggle switch cover production
Core Design Contradiction:
ReliabilityVSEase of manufacture

Solution Approach 1:

The manufacturing process utilizes parameters of the plastic material itself (chemical composition, porosity, surface properties) to achieve antimicrobial functionality through impregnation with copper oxide or other antimicrobial compounds. This approach integrates the antimicrobial property into the material parameters rather than requiring separate coating or assembly steps, enhancing protection while managing manufacturing complexity.

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The toggle switch cover is made from a composite material system combining plastic molded extrusion with impregnated antimicrobial compounds such as copper oxide. This composite approach integrates multiple functions (structural integrity from plastic, antimicrobial action from copper oxide) into a single manufactured component, enhancing reliability while consolidating manufacturing steps.

Inventive Principle:
Principle #40Composite materials

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

The antimicrobial protection significantly mitigates the spread of bacteria and viruses by creating a barrier on switch panel components, enhancing hygiene and safety by preventing cross-contamination during operation.

Implementation Method 1

a toggle switch cover (TSC) formed from a plastic molded extrusion (PME) that is impregnated with an antimicrobial compound (AMC)

Methodology Applied
Scientific EffectImpregnation:

Implementation Method 2

This and other features of the invention permit an existing switch panel to be retrofitted to prevent the spread of disease from human contact with components of the switch panel

Methodology Applied
Scientific EffectAntimicrobial compound action:

Data Source

PatentUS11996680B1Antimicrobial switch panel system and method
Publication Date: 2024.05.28 OFFIELD II TRAVIS WAYNE
  • US11996680B1 patent drawing
  • US11996680B1 patent drawing
  • US11996680B1 patent drawing

AI summary

An antimicrobial switch panel (ASP) system/method allowing for retrofit of existing switch panels with protective antimicrobial covers for toggle switch levers is disclosed. The disclosed system incorporates a toggle switch cover (TSC) formed from a plastic molded extrusion (PME) that is impregnated with an antimicrobial compound (AMC). The PME includes an outer tactile surface (OTS) and an inner capture recess (ICR). The ICR is configured to conform to the outer surface of a toggle switch (TSW) toggle switch lever (TSL) and includes one or surfaces more configured with protrusions and/or indentations that affect mechanical coupling between the TSL and the PME when the ICR is mated with the TSL. The OTS may be configured with a variety of tactile configurations that identify the function of the TSW and/or include a PME colorant that identifies the function of the TSW and/or provide for photoluminescent operation of the PME.