Replaceable Cleaning Pad Structure for Balanced Peel Force
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Solution Overview
Problem
Cleaning pads removably attached to cleaning devices face challenges in achieving a removal force that is neither too small nor too large, leading to inconvenience or damage during replacement, and existing designs fail to balance ergonomics and convenience effectively.
Innovation Solution
The cleaning pad features a topsheet with outwardly extending protuberances and a core, designed to provide a balanced removal force through specific protuberance height and resiliency, allowing for easy attachment and detachment while maintaining cleaning efficacy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the application force is increased to ensure the cleaning pad stays attached during cleaning, then the reliability of the cleaning pad attachment is improved, but the ease of operation deteriorates because it requires undue effort to replace the pad
Solution Approach 1:
The patent applies parameter changes by optimizing the peel force to a specific range (0.5-2.0 N/cm) that balances attachment reliability during cleaning with ease of replacement. This parameter optimization allows the pad to remain securely attached during use while enabling convenient removal when needed, resolving the contradiction between reliability and ease of operation
2Reliability
If the removal force is increased to prevent the cleaning pad from becoming loose during cleaning, then the reliability of the cleaning pad attachment is improved, but the ease of operation deteriorates because it requires undue effort to remove the pad
Solution Approach 1:
The patent applies parameter changes by precisely controlling the peel force within the range of 0.5-2.0 N/cm. This parameter optimization ensures the pad remains securely attached during cleaning operations while allowing easy removal when replacement is needed, effectively resolving the contradiction between attachment reliability and removal ease
3Ease of operation
If the removal force is decreased to make pad replacement easier, then the ease of operation is improved, but the reliability deteriorates because the cleaning pad may become loose during cleaning tasks
Solution Approach 1:
The patent applies parameter changes by establishing the peel force within the optimal range of 0.5-2.0 N/cm. This parameter control ensures sufficient attachment reliability during cleaning while maintaining ease of operation for pad replacement, resolving the contradiction between these two requirements
4Ease of operation
If the removal force is optimized to a moderate level for easy replacement, then the ease of operation is improved, but the reliability may deteriorate if the pad becomes loose during cleaning
Solution Approach 1:
The patent applies parameter changes by defining the peel force within the specific range of 0.5-2.0 N/cm. This optimized parameter range simultaneously achieves ease of operation for replacement while maintaining sufficient attachment reliability during cleaning, resolving the contradiction between these opposing requirements
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 design ensures convenient and effective replacement of cleaning pads with a balanced removal force, preventing undue effort or damage, and enhances cleaning performance by optimizing protuberance height and resiliency.
Implementation Method 1
The pad has a removal force which is advantageously convenient for pad replacement... designed to provide a balanced removal force through specific protuberance height and resiliency
Data Source
AI summary
A pad for cleaning a hard target surface. The pad may be removably attached to a device for cleaning debris from a target surface. The pad has a predetermined 90 degree peel force to prevent undue removal force from the device and prevent the pad from coming loose during the cleaning task.