Wire Brush Handle and Detachable Scraper for Versatile Grip

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Solution Overview

Problem

Existing wire brushes lack improved performance and ergonomic design, particularly in handle functionality and versatility for user grip and tool integration.

Innovation Solution

A wire brush design featuring a handle with a finger separator extending at least 0.635 cm from the bottom surface, providing distinct finger receiving areas for comfortable grip and a manually adjustable scraper attachment mechanism for enhanced usability and functionality.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If a traditional handle design is used, then the structure is simple, but the grip comfort and operational versatility are limited

Engineering Contradiction:
Improvegrip comfortVSAvoidhandle structure
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The handle is segmented into distinct functional zones including a finger receiving area with multiple compartments and a thumb receiving area, separated by a finger separator. This segmentation allows each zone to optimize grip comfort for specific fingers while maintaining an integrated handle structure.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Different regions of the handle are designed with different geometric properties to suit specific finger types. The finger receiving area has multiple compartments with varying dimensions for different fingers, while the thumb receiving area has a distinct open configuration, providing localized optimization for each body part.

Inventive Principle:
Principle #3Local quality

2Adaptability or versatility

If a fixed functionality design is used, then the manufacturing is simple, but the adaptability and versatility are limited

Engineering Contradiction:
Improvegrip configurationsVSAvoidhandle design
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The handle is designed to accommodate multiple grip configurations including one-handed grips with various finger combinations and two-handed grips. The finger receiving area can receive different numbers and combinations of fingers (e.g., four fingers plus thumb on opposite side, or five fingers total), making the handle universally adaptable to different user preferences and operational requirements.

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

3Adaptability or versatility

If a single-function brush is used, then the device complexity is low, but the versatility for different tasks is limited

Engineering Contradiction:
Improvetask functionalityVSAvoidattachment mechanism
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The scraper attachment mechanism allows the scraper to be dynamically attached and detached from the brush head. The mechanical fastener system enables the scraper to be securely fastened when needed for scraping tasks and easily removed when only brushing is required, providing dynamic adaptability for different task requirements.

Inventive Principle:
Principle #15Dynamics

4Reliability

If a mechanical fastener system is added, then the scraper attachment is secure, but the ease of attachment and detachment is reduced

Engineering Contradiction:
Improvescraper attachmentVSAvoidattachment process
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The attachment mechanism is segmented into modular components including tabs on the scraper, corresponding grooves on the brush head, and a separate mechanical fastener. This segmentation allows each component to be simple in design while collectively providing secure attachment through the coordinated interaction of multiple simple elements.

Inventive Principle:
Principle #1Segmentation

Data Source

PatentEP2584934B1Wire brush
Publication Date: 2018.03.21 SWIMC LLC
  • EP2584934B1 patent drawingFigure 1
  • EP2584934B1 patent drawingFigure 2
  • EP2584934B1 patent drawingFigure 3

AI summary

A wire brush may have wire type tufts extending from a head and may have a handlewith only one linger separator. And/or a wire brush may have a manually detachable scraper that has a pair of tabs received in a pair of grooves formed on the brush body.