Vacuum tools
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Solution Overview
Problem
Existing vacuum cleaners face challenges in effectively separating metal debris from other materials during vacuum operations, which can lead to damage to the vacuum and its components.
Innovation Solution
A vacuum tool with a body having a longitudinal axis, a head, and a connection portion configured to couple with a vacuum hose or wand, featuring a brush with bristles and a non-marring elastomeric coating, as well as magnets to attract and hold metal debris, allowing for safe retrieval and prevention of damage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a vacuum cleaner is used to collect debris, then cleaning effectiveness is improved, but metal debris can damage the vacuum and its components
Solution Approach 1:
The patent applies preliminary action by placing magnets on the vacuum tool before debris collection occurs. The magnets are positioned in advance to attract and hold metal debris as it enters the tool, preventing it from traveling further into the vacuum system where it could cause damage. This proactive measure separates metal debris from the airflow path before it can harm the vacuum cleaner's internal components.
2Productivity
If a brush is added to clean surfaces, then cleaning capability is improved, but the brush can mar or damage finished surfaces
Solution Approach 1:
The patent applies local quality by coating specific portions of the vacuum tool that contact surfaces with a non-marring material. Instead of making the entire tool non-marring, the elastomeric coating is applied locally to the head and other surface-contacting areas. This allows the brush to maintain its cleaning effectiveness while the coated regions prevent damage to finished surfaces during operation.
Solution Approach 2:
The patent uses composite materials by combining the brush structure with an elastomeric coating material. The non-marring coating is applied over the brush and tool surfaces, creating a composite structure that maintains the mechanical cleaning action of the brush while adding a protective layer that prevents surface damage. This composite approach allows both cleaning capability and surface protection to coexist.
3Productivity
If magnets are added to attract metal debris, then debris separation is improved, but device complexity increases
Solution Approach 1:
The patent applies merging by integrating the magnets directly into the vacuum tool structure itself, rather than adding them as separate, removable components. The magnets are incorporated into the tool's head or body, combining the debris attraction function with the existing tool structure. This integration reduces overall device complexity by eliminating the need for separate magnet assemblies while maintaining effective metal debris separation.
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 vacuum tool efficiently separates metal debris from other materials, preventing damage to the vacuum cleaner and its components, while the non-marring coating protects surfaces and the brush effectively cleans various surfaces.
Implementation Method 1
a first magnet coupled to the head
Implementation Method 2
a non-marring coating applied to at least one of the body, the head, and the connection portion, wherein the non-marring coating is composed of an elastomeric material
Data Source
AI summary
A vacuum tool configured to be removably coupled to hose or wand of a vacuum includes a body including a first end, a second end, and a first longitudinal axis extending between the first end and the second end. The vacuum tool also includes a head coupled to the first end of the body, a connection portion coupled to the second end of the body and configured to couple the body to a hose or wand of a vacuum cleaner, and a brush coupled to the head. The brush includes an elongate support defining a second axis perpendicular to the longitudinal axis of the body and configured to couple the brush to the head, and a plurality of bristles positioned on the elongate support.