A brush arrangement

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Solution Overview

Problem

Existing surface cleaning brush arrangements are limited by the use of single-type bristles, which may not be suitable for diverse surfaces, leading to inefficiencies and the need for multiple brush arrangements.

Innovation Solution

A brush arrangement with a brushing device divided into multiple segments, each with different cleaning characteristics, allowing for selective use of various bristle types and cleaning tools, and a locking mechanism to secure the desired segment for cleaning.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a brushing device uses only one kind of bristles, then the device is simple in design and cost-effective, but it cannot effectively clean different types of surfaces with different physical characteristics

Engineering Contradiction:
Improvecleaning capability for different surfacesVSAvoidbrushing device structure
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The brushing device is divided into multiple segments, with each segment containing bristles of a different type (e.g., stiff bristles for hard surfaces, soft bristles for delicate surfaces). This segmentation allows the single brushing device to adapt to various surface types by rotating to bring the appropriate segment into contact with the surface, thereby resolving the contradiction between versatility and simplicity.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The brushing device incorporates a rotation mechanism that allows dynamic switching between different bristle segments. The device can rotate to position the suitable bristle type according to the surface being cleaned, transforming a static single-type bristle system into a dynamic multi-type system that adapts to different cleaning requirements.

Inventive Principle:
Principle #15Dynamics

2Adaptability or versatility

If multiple brush arrangements with different brushing devices are carried for different surfaces, then each surface can be cleaned effectively, but it becomes cumbersome and less ergonomic

Engineering Contradiction:
Improvesurface-specific cleaning effectivenessVSAvoidportability and ergonomics
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

The brushing device is designed as a universal tool that can clean multiple types of surfaces. By integrating multiple bristle segments with different characteristics into a single device, it eliminates the need to carry multiple separate brush arrangements, thereby improving portability and ergonomics while maintaining the ability to effectively clean various surfaces.

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

Solution Approach 2:

Multiple brushing functions that would traditionally require separate devices are merged into a single brushing device. Different bristle types are combined within one device structure, allowing users to consolidate multiple cleaning tools into one, reducing the burden of carrying and switching between multiple brush arrangements.

Inventive Principle:
Principle #5Merging (Combining)

3Adaptability or versatility

If the brushing device is divided into multiple segments with different bristle types, then versatility for different surfaces is achieved, but the device complexity increases

Engineering Contradiction:
Improvemulti-surface cleaning capabilityVSAvoidsegmented structure and locking mechanism
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The segmented brushing device incorporates a rotation mechanism with a locking system that allows dynamic switching between segments. The locking mechanism secures the selected segment during operation, providing a simple user interaction (rotate and lock) that masks the underlying structural complexity, making the multi-segment device as easy to use as a single-segment device.

Inventive Principle:
Principle #15Dynamics

Data Source

PatentEP4541228A1A brush arrangement
Publication Date: 2025.04.23 HUSQVARNA AB
  • EP4541228A1 patent drawingFigure 1
  • EP4541228A1 patent drawingFigure 2
  • EP4541228A1 patent drawingFigure 3

AI summary

A brush arrangement (100) includes a brushing device (110) such that the brushing device (110) is divided into multiple segments (S1, S2, S3) with at least two segments exhibiting different cleaning characteristics. An axle is configured to allow the brushing device (110) to rotate around the axle. The brush arrangement (100) is characterized in that the rotation of the brushing device (110) around the axle is selectively locked by a locking mechanism (120).