Retrofit Sanitary Handle Cover With Antimicrobial Metal Shell
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Solution Overview
Problem
Existing solutions for preventing pathogen transfer from handles and railings to human skin are not robust and permanent, and there is a need for a more effective system to minimize pathogen transmission.
Innovation Solution
A retrofit covering system comprising a stability-enhancing interior element, typically compression foam, secured to the handle or railing, and a metal cover with a pathogen-eliminating outer surface, such as anodized aluminum, which can be interlocked or crimped for secure attachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If removable foam rubber or plastic coverings are used, then pathogen transfer is prevented, but the solution is not robust and permanent
Solution Approach 1:
The patent applies nesting by placing the foam core inside the metal cover, creating a nested structure where one component is housed within another. The foam core (inner element) is inserted into the metal cover (outer element), forming a composite covering system that combines the durability of metal with the comfort and stability of foam, thereby achieving a robust and permanent solution.
Solution Approach 2:
The patent employs composite materials by combining foam core with metal cover to create a hybrid structure. The foam provides cushioning and stability enhancement, while the metal cover provides durability and structural integrity. This composite approach resolves the contradiction by achieving permanence through material strength while maintaining reasonable system complexity.
2Object-affected harmful factors
If antimicrobial coatings are applied to metal covers, then pathogen elimination is enhanced, but manufacturing complexity increases
Solution Approach 1:
The patent applies parameter changes by modifying the surface properties of the metal cover through antimicrobial or biocidal coatings. This changes the chemical composition and surface characteristics of the metal, enabling pathogen elimination functionality. The coating process is applied to the finished metal cover, allowing standard manufacturing processes to be used followed by a surface treatment step.
Solution Approach 2:
The patent references existing antimicrobial coatings that can be applied to the metal cover surface. These coatings provide pathogen-eliminating properties through chemical mechanisms that are effective against microbes. The coating layer, while adding some manufacturing steps, uses established technologies that balance effectiveness with manufacturing feasibility.
3Stability of the object's composition
If compression foam is used as interior element, then stability is enhanced, but additional manufacturing steps are required
Solution Approach 1:
The foam core is nested within the metal cover, creating a stable composite structure. The foam provides internal support and stability enhancement while being contained within the protective metal shell. This nested arrangement achieves improved stability without requiring the foam and metal to be separate, loosely connected components.
Solution Approach 2:
The covering system is segmented into two functional components: a foam core for stability and comfort, and a metal cover for durability and structural integrity. This segmentation allows each component to be optimized for its specific function while working together as a unified system, with the foam providing internal stability and the metal providing external structural stability.
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
Provides a robust, permanent solution for minimizing pathogen transfer by creating a sanitary user-engaging surface on handles and railings, effectively eliminating pathogens through antimicrobial or biocidal coatings.
Implementation Method 1
a metal cover provided over the compression foam and having an outer surface, the outer surface having pathogen-eliminating properties. In one aspect, the metal cover is anodized aluminum with an antimicrobial or biocidal coating on the outer surface
Implementation Method 2
a compression foam structure, preferably adhesively secured to the outer surface of the handle
Data Source
AI summary
A sanitary covering is retrofit over an existing handle or railing, particularly a shopping cart handle. A stability-enhancing element in the form of compression foam is adhesively secured to an existing handle. A metal cover, such as of anodized aluminum, with a pathogen-eliminating outer surface (such as a biocidal or antimicrobial coating), jackets the compression foam. The cover may be in two parts having elements interlocking them together so as to be securely attached together and securely engage the compression foam. A method of retrofitting a sanitary covering over an existing handle or rail is also provided utilizing a stability-enhancing element and a metal cover with a biocidal or antimicrobial outer coating.