Power Tool Blade Cleaning Sheath With Splash-Resistant Storage

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Solution Overview

Problem

Existing power tools with rotating or reciprocating blades lack effective cleaning solutions that are efficient, economical, and include features like a splash-resistant lid, drain, viewing device, and upright retention, particularly for tools like chainsaws and hedge trimmers.

Innovation Solution

A cleaning sheath with a rigid, liquid-impermeable sheath filled with cleaning solution, equipped with a splash-resistant lid, drain, viewing window, and stand for upright retention, allowing easy cleaning and storage of blades.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If a cleaning apparatus for power tool blades is provided, then blade cleaning efficiency is improved, but device complexity increases due to multiple components (sheath, lid, drain, window, stand)

Engineering Contradiction:
Improveblade cleaning efficiencyVSAvoidstructure complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The patent combines multiple cleaning and storage functions into a single integrated sheath assembly. The sheath houses the cleaning solution reservoir, blade soaking chamber, and storage compartment as unified components, eliminating the need for separate cleaning devices and simplifying the overall system while maintaining high cleaning efficiency

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The sheath assembly serves multiple functions simultaneously: it stores cleaning solution, soaks blades to clean them, provides splash resistance during cleaning, allows visual monitoring via window, enables drainage, and offers upright storage capability. This multi-functionality improves productivity without proportionally increasing complexity

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Reliability

If a rigid liquid-impermeable sheath is used to store cleaning liquid, then cleaning solution containment is improved, but weight of the device increases

Engineering Contradiction:
Improvecleaning solution containmentVSAvoiddevice weight
Core Design Contradiction:
ReliabilityVSWeight of moving object

Solution Approach 1:

The sheath is constructed from composite materials that provide both liquid impermeability and lightweight properties. The rigid yet lightweight construction maintains reliable cleaning solution containment while minimizing unnecessary weight addition to the device

Inventive Principle:
Principle #40Composite materials

3Object-affected harmful factors

If a splash resistant lid is added to the cleaning apparatus, then safety during cleaning is improved, but device complexity increases

Engineering Contradiction:
Improvesplash resistanceVSAvoidstructure complexity
Core Design Contradiction:
Object-affected harmful factorsVSDevice complexity

Solution Approach 1:

The lid is designed as a separate, removable component that provides splash resistance only when needed during cleaning operations. This segmentation allows the safety feature to be activated selectively without permanently complicating the device structure, maintaining simplicity while improving safety

Inventive Principle:
Principle #1Segmentation

4Ease of operation

If a drain is added at the bottom of the cleaning apparatus, then ease of cleaning fluid removal is improved, but device complexity increases

Engineering Contradiction:
Improvefluid removal easeVSAvoidstructure complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The drain system is designed to enable easy self-service removal of cleaning fluid without requiring complex mechanisms or additional tools. The drain allows users to efficiently empty the sheath by simple operation, improving ease of use while adding minimal structural complexity

Inventive Principle:
Principle #25Self-service

5Loss of information

If a window or viewing device is added to see cleaning solution level, then monitoring capability is improved, but manufacturing cost increases

Engineering Contradiction:
Improvefluid level visibilityVSAvoidmanufacturing cost
Core Design Contradiction:
Loss of informationVSEase of manufacture

Solution Approach 1:

The window or viewing device utilizes simple visual indicators such as color changes or transparent sections that allow users to monitor cleaning solution levels at a glance. These straightforward visual features provide effective information feedback without requiring complex or expensive manufacturing processes

Inventive Principle:
Principle #32Color changes

6Stability of the object's composition

If a stand for upright retention is provided, then storage stability is improved, but device complexity increases

Engineering Contradiction:
Improveupright storage stabilityVSAvoidstructure complexity
Core Design Contradiction:
Stability of the object's compositionVSDevice complexity

Solution Approach 1:

The stand is designed to automatically position and stabilize the sheath in an upright orientation when placed, eliminating the need for manual positioning or complex adjustment mechanisms. This preliminary stabilization action ensures stable storage while adding minimal structural complexity to the overall device

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentUS12403554B2Cleaning sheath for power tools with cutting blades and methods of using
Publication Date: 2025.09.02 BRIZZY RICHARD
  • US12403554B2 patent drawing
  • US12403554B2 patent drawing
  • US12403554B2 patent drawing

AI summary

A cleaning sheath for power tools, including a sheath assembly, wherein the sheath assembly includes a sheath, and wherein the sheath is rigid, the sheath is made of an impermeable material, and the sheath is hollow, a lid assembly located at one end of the sheath, a loop assembly located adjacent to the lid assembly, a cleaning solution located within a portion of the sheath, wherein the cleaning solution is adapted to clean and disinfect power tool blades located within the sheath, and an attaching assembly, wherein the attaching assembly includes an attaching element, and wherein the attaching element is removably attached to the sheath, and the attaching element is removably attached to predetermined surfaces.