Chainmail Scraper Head With Back Pressure for Scratch-Free Cleaning
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Solution Overview
Problem
Conventional scrapers with wire or plastic bristles are inadequate for cleaning grate cooking surfaces due to their lack of durability, ineffective abrasive surfaces, and difficulty in removing substances without scratching the surfaces.
Innovation Solution
A scraper with a chainmail or wire cloth abrader mounted to a frame, featuring a back pressure mechanism that allows the abrader to conform to the surface, providing improved abrasiveness and resilience.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional wire or plastic bristle brushes are used for cleaning grate cooking surfaces, then the brushing action can be applied, but the brushes lack durability, have ineffective abrasive surfaces, and tend to scratch the delicate cooking surfaces
Solution Approach 1:
The patent changes the physical parameters of the cleaning element by using coil springs with specific wire diameters (0.035-0.125 inches) and coil diameters (0.062-0.250 inches), creating an elastic abrasive surface that maintains resilience while reducing surface damage. The spring geometry parameters are optimized to provide both cleaning effectiveness and surface protection.
Solution Approach 2:
The invention combines elastic coil spring material with abrasive characteristics, creating a composite cleaning element that integrates both mechanical resilience and abrasive cleaning capability in a single structure, eliminating the need for separate bristle and abrasive components.
2Area of stationary object
If conventional brushes with tightly packed bristles are used, then coverage area is achieved, but the crevices and tightly packed bristles become difficult to clean, allowing food particles and bacteria to accumulate
Solution Approach 1:
The coil spring cleaning element is segmented into individual coils that are spaced apart rather than tightly packed, creating gaps between each coil that prevent food particle accumulation and allow for easier maintenance cleaning while still providing broad surface coverage.
Solution Approach 2:
The coil spring structure creates a porous configuration with open spaces between coils, allowing for passage of cleaning solutions and preventing trapping of food particles, thereby facilitating easier maintenance and more sanitary operation.
3Strength
If conventional brushes with inelastic bristles are used, then initial abrasive action is provided, but the bristles quickly become permanently deformed and fracture due to lack of resilience
Solution Approach 1:
The cleaning element transitions from a static, rigid bristle structure to a dynamic coil spring structure that can flex, compress, and rebound during operation. This dynamic behavior allows the spring to absorb mechanical stresses and return to its original configuration, preventing permanent deformation and extending service life.
Solution Approach 2:
The coil spring structure provides inherent cushioning capability through its elastic deformation, absorbing impact forces and mechanical stresses before they can cause fracture or permanent damage to the cleaning element, thereby extending durability.
4Productivity
If conventional brushes are used for cleaning, then some cleaning action is achieved, but they are ineffective in removing substances from grate cooking surfaces
Solution Approach 1:
The coil spring structure presents a curved, three-dimensional abrasive surface that can better conform to the contours of grate cooking surfaces compared to straight bristles, increasing contact area and improving the effectiveness of substance removal while maintaining high cleaning efficiency.
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 scraper effectively removes debris from grate cooking surfaces without scratching, maintaining surface integrity and improving cleaning efficiency.
Implementation Method 1
an elastic member positioned adjacent to the chainmail body such that the elastic member is capable of applying pressure against the chainmail body enabling the chainmail body to resiliently conform to the contours of the surface
Implementation Method 2
a scraper for use in abrading a surface including a handle attached to a scraper head. The scraper head has chainmail abrader mounted to a frame
Implementation Method 3
The chainmail abrader includes a chainmail body constructed from a plurality of interlinked rings
Data Source
AI summary
The invention pertains to a novel scraper assembly having a plurality of interchangeable scraper heads and handles and corresponding method for use. The scraper assembly further comprises a plurality of abrasive mechanisms, namely spring bristles, coiled springs, chainmail abraders and wire cloth abraders capable of effectively cleaning a surface without scoring or otherwise damaging the surface. The invention may be particularly useful for cleaning grills and ovens. Additionally, the invention may also be useful for shaping, adding texture to, stripping materials from or otherwise preparing a surface, including wood, metal or ceramic surfaces.