String Trimmer Brush Attachment for High-Speed Floor Cleaning
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Solution Overview
Problem
Conventional high-speed rotary cleaning equipment for surfaces is cumbersome, costly, and poses safety risks due to its heavy and handheld nature, making it unsuitable for safe and efficient cleaning of floor and ground level surfaces.
Innovation Solution
Development of cleaning tools mounted on string trimmers, which operate at speeds from 7,000 rpm to 15,000 rpm, featuring a cylindrical body with brush channels and channel brush inserts, secured to the trimmer's rotary spindle for effective surface cleaning while maintaining the user's safety and comfort.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional high-speed rotary cleaning equipment is used, then cleaning speed and efficiency are improved, but the equipment becomes heavy and cumbersome, posing safety risks and reducing ease of operation
Solution Approach 1:
The patent adapts the design concept from string trimmers (originally designed for cutting grass) to create a cleaning tool that copies the high-speed rotational mechanism. By using the string trimmer's existing high-speed spindle (designed for cutting at 7,000-15,000 rpm) to drive cleaning brushes or pads, the invention achieves high-speed cleaning without the weight and complexity of conventional high-speed rotary equipment, thereby maintaining safety and ease of operation while improving cleaning productivity
2Productivity
If conventional high-speed rotary cleaning equipment is used, then cleaning efficiency is improved, but the equipment becomes costly and complex
Solution Approach 1:
The patent creates a universal cleaning tool that can be attached to existing string trimmers, allowing one piece of equipment (the string trimmer) to serve multiple functions - both grass cutting and surface cleaning. The cleaning attachment is designed to be compatible with standard string trimmer spindles, eliminating the need for separate specialized cleaning equipment and reducing overall system complexity and cost while maintaining high cleaning efficiency
Solution Approach 2:
By copying the high-speed rotational capability from string trimmers (originally designed for cutting at 7,000-15,000 rpm) to drive cleaning brushes or pads, the invention achieves high-speed cleaning without the weight and complexity of conventional high-speed rotary equipment, thereby maintaining safety and ease of operation while improving cleaning productivity
3Productivity
If handheld high-speed rotary equipment is used, then cleaning capability is improved, but the operator's face is placed in a less safe position closer to the action
Solution Approach 1:
The patent adapts the design concept from string trimmers (originally designed for cutting grass) to create a cleaning tool that copies the high-speed rotational mechanism. By using the string trimmer's existing high-speed spindle (designed for cutting at 7,000-15,000 rpm) to drive cleaning brushes or pads, the invention achieves high-speed cleaning without the weight and complexity of conventional high-speed rotary equipment, thereby maintaining safety and ease of operation while improving cleaning productivity
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
Enables efficient and safe cleaning of floors, baseboards, and ground level surfaces with higher rotational speeds than conventional buffing and polishing tools, reducing user exposure to hazards and improving cleaning efficiency.
Implementation Method 1
The rotary spindle is rotated at desired speeds to rotate the body and move terminal ends of the bristle body of the channel brush insert against a surface for cleaning the surface
Data Source
AI summary
Cleaning tools are mounted directly to rotary spindles of conventional string trimmers. The cleaning tools have brush channels which extend through one or more sides thereof, with each brush channel having an edge channel and a bristle channel. The edge channels are disposed interiorly within the body of respective ones of the bristle channels. Channel brush inserts are secured in respective ones of the brush channels, and each includes a mounting base and a bristle body. The mounting bases are inserted into respective ones of the edge channels and the bristle bodies extend from a respective one of the mounting bases through the bristle channels, from the one or more sides and exteriorly of the cleaning tool. One cleaning tool has three brush channels formed to extend into a laterally extending sidewall. In another cleaning tool the brush channels are formed to extend into the bottom end surface thereof.