Multi-Agitator Floor Cleaner for Groomed Tracks and Fewer Passes
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Solution Overview
Problem
Existing floor cleaning devices lack the creation of a 'sweeper track' appearance and insufficient agitation of cleaning fluid, requiring repeated passes over soiled areas for effective cleaning.
Innovation Solution
A floor cleaning machine with an agitator assembly featuring brushrolls and brush assemblies that rotate along different axes, driven by motors, to effectively agitate and clean the floor surface, creating a groomed appearance and enhancing cleaning effectiveness.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a single agitator or brush assembly is used in conventional floor cleaning devices, then the device structure remains simple, but the cleaning effectiveness is insufficient and repeated passes are required
Solution Approach 1:
The patent divides the single agitator into multiple separate agitators (first agitator with first brush roll and second agitator with second brush roll) that operate independently. Each agitator can be controlled separately, allowing enhanced cleaning effectiveness through multiple agitation points while maintaining manageable structural complexity through modular design
Solution Approach 2:
The patent combines multiple agitators with different rotation axes (horizontal and vertical) into a single cleaning device head. This merging of multiple agitation mechanisms working simultaneously on the same floor surface provides thorough cleaning in fewer passes, improving productivity without excessive complexity increase
2Shape
If conventional single-axis brush rolls are used, then the device structure is simple, but the groomed appearance and sweeper track creation are insufficient
Solution Approach 1:
The patent employs brush rolls with different orientation axes (one horizontal, one vertical) rather than identical symmetric configurations. This asymmetric arrangement of agitation elements creates varied brush patterns that effectively produce the desired sweeper track appearance and groomed look on the floor surface
Solution Approach 2:
The patent transitions from single-axis (one-dimensional agitation) to multi-axis (two-dimensional agitation) brush roll configuration. By adding vertical axis rotation to the conventional horizontal axis rotation, the system creates comprehensive agitation patterns that deliver superior grooming appearance and sweeper track formation
3Productivity
If liquid cleaning fluid is applied without sufficient agitation, then the cleaning process is simple, but the dirt and stains are not effectively dislodged
Solution Approach 1:
The patent utilizes mechanical rotation and agitation of multiple brush rolls to create vigorous mechanical action on the floor surface. This mechanical vibration and agitation effectively dislodges dirt, stains, and debris from the carpet or floor, significantly improving dirt removal effectiveness
Solution Approach 2:
The patent applies liquid cleaning fluid to the floor surface before the agitation process begins. This preliminary application of cleaning solution softens and loosens dirt and stains, making them more susceptible to removal by the subsequent mechanical agitation from the multiple brush rolls
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 machine effectively cleans surfaces, leaving a groomed appearance with improved cleaning efficiency by providing thorough agitation and dirt removal in fewer passes, enhancing the overall cleaning experience.
Implementation Method 1
brushrolls and brush assemblies that contact a floor surface... agitate the carpet to dislodge dirt, stains and debris
Data Source
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AI summary
An agitator arrangement for a floor cleaning machine is disclosed including various multi-agitator configurations or one agitator configuration with a plurality of brushes with bristle bundles for rotation of the brushes about an approximate vertical axis with a plurality of stationary downwardly projecting, bristle bundles arranged in at least one row approximately side by side with or without an offset. In particular, agitator assemblies having multiple brushes that rotate in approximately a horizontal and approximately a vertical axis or that rotate at different speeds and torque. Other configurations may include multi-row multiple vertical axis agitators.