Antimicrobial Copper Alloy Dumbbell Handle
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Solution Overview
Problem
Fitness equipment such as dumbbells and strength-training machines provide ideal breeding grounds for harmful bacteria like staph and MRSA, which can spread among users due to inadequate cleaning, posing health risks in facilities like locker rooms and sports training centers.
Innovation Solution
The use of an antimicrobial copper alloy grip surface on the handle of dumbbells and strength-training machines, combined with a steel bar and antimicrobial brass or copper collars, creates a durable and effective antimicrobial handle that resists bending and maintains hygiene by killing bacteria, including staphylococcus aureus and MRSA, while allowing for rotational movement to reduce torque.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If traditional materials (steel, rubber, plastic) are used for handle surfaces, then structural strength and durability are maintained, but bacterial contamination and hygiene risks increase
Solution Approach 1:
The patent changes the material parameter of the handle surface from traditional steel, rubber, or plastic to copper or copper alloy, which inherently possesses antimicrobial properties. This material substitution transforms the handle surface into an environment that actively resists bacterial growth while maintaining structural integrity through the natural strength of copper materials.
Solution Approach 2:
The patent employs copper or copper alloy materials that combine antimicrobial properties with structural strength. The copper-based composition serves dual functions: providing the mechanical durability needed for exercise equipment while simultaneously creating a surface that kills or inhibits bacteria, thus resolving the contradiction between hygiene safety and structural reliability.
2Object-affected harmful factors
If copper alloy is used for the handle surface to provide antimicrobial properties, then bacterial contamination is reduced, but the handle may bend under strength-training forces
Solution Approach 1:
The patent utilizes copper or copper alloy materials that inherently possess both antimicrobial properties and sufficient mechanical strength. The copper-based composite material is selected specifically for its ability to resist bending under strength-training forces while maintaining the antimicrobial surface properties, thus resolving the contradiction between hygiene and structural strength.
Solution Approach 2:
The patent changes the material composition parameter to copper or copper alloy, which provides a optimal balance between antimicrobial effectiveness and mechanical strength. This material parameter change ensures the handle surface is both bacteriostatic and resistant to deformation during exercise use.
3Ease of operation
If the handle is designed to be gripped firmly for effective exercise, then user control is improved, but bacterial spread among users increases
Solution Approach 1:
The patent changes the surface material parameter to copper or copper alloy, which provides a smooth, non-porous surface that is easy to grip but inherently resistant to bacterial adhesion. The antimicrobial properties of the copper surface prevent bacteria from establishing themselves despite direct user contact, thus maintaining ease of operation while preventing bacterial spread.
Solution Approach 2:
The patent converts the potentially harmful effect of direct hand contact with the handle into a beneficial outcome by using copper or copper alloy materials that kill or inhibit bacteria upon contact. The very surface that provides grip control also serves as an antimicrobial barrier, transforming the contact point from a vector for bacterial spread into a protective element.
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 copper alloy grip surface significantly reduces bacterial contamination, ensuring user safety by effectively killing pathogens and maintaining a clean environment, even under strength-training forces, and the design ensures durability and ease of use.
Implementation Method 1
The handle is formed with an outer antimicrobial copper gripping surface positioned to be gripped by the user during the exercise movement
Data Source
AI summary
A dumbbell having an antimicrobial handle comprises a bar having a pair of end regions, and extending generally longitudinally therebetween along a generally central axis, weight plate masses mounted at the end regions and mechanically secured thereto, and a pair of collars located at longitudinally opposed positions on bar to define a handle region therebetween. A handle is located within the handle region and includes a generally tubular grip surface member supported by the bar and formed from an antimicrobial copper alloy, the generally tubular grip surface member extending generally axially between longitudinally spaced-apart end regions. The pair of longitudinally-spaced generally annular collars have axially-inwardly extending flange portions sized and structured to substantially circumscribe the end regions of the generally cylindrical grip surface member and to securely capture the end regions between the flange portions and the bar.