Paint Brush Roller Handle Coupler Ergonomic Design

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Solution Overview

Problem

Professional painters experience fatigue, tendonitis, carpal tunnel syndrome, and arthritis due to prolonged handling of paint brushes and rollers, especially when reaching hard-to-access areas.

Innovation Solution

A coupler system that securely holds paint brush and roller handles, featuring a horizontal tubular upper section with notches for brush handles and a spring-loaded mechanism for roller handles, allowing easy attachment to various extension poles, providing ergonomic support and reducing strain.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If painters hold paint brushes or rollers for extended periods to reach hard-to-access areas, then painting coverage is improved, but physical fatigue and health issues increase

Engineering Contradiction:

Improvepainting coverageVSAvoidphysical comfort

Core Design Contradiction:

ProductivityVSEase of operation

Solution Approach 1:

The handle is divided into two separate graspable sections positioned at different locations along the handle length, allowing the painter to shift grip points and distribute hand fatigue across different muscle groups during extended painting operations

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

A pole attachment mechanism serves as an intermediary between the painter's hand and the painting tool, extending the effective reach while maintaining ergonomic grip positions on the handle, thereby reducing strain on the painter's arm and shoulder

Inventive Principle:

Principle #24Intermediary (Mediator)

2Reliability

If a secure attachment mechanism is added to hold brushes and rollers, then tool stability is improved, but device complexity increases

Engineering Contradiction:

Improvetool stabilityVSAvoidattachment mechanism complexity

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

Instead of attaching the brush or roller to a fixed handle end, the design allows the tool to be inserted into and secured by a receptacle on the handle, inverting the traditional attachment approach and enabling quick release and reattachment without complex fastening mechanisms

Inventive Principle:

Principle #13The other way round (Inversion)

Solution Approach 2:

The attachment mechanism incorporates movable components that allow dynamic adjustment and secure locking of the painting tool at various positions on the handle, providing both stability during use and ease of release when needed

Inventive Principle:

Principle #15Dynamics

Data Source

PatentUS10569598B1Paint brush and roller handle coupler

Publication Date: 2020.02.25 GETCHELL GARTH

AI summary

A paint brush and roller handle coupler is provided, comprising a horizontal tubular upper section, a cylindrical section extending downward at an angle from the upper section, a first mechanism configured to secure a paint brush handle in the tubular upper section, and a second mechanism configured to secure a paint roller handle in the tubular upper section. The horizontal tubular upper section comprises an open front section, comprising a front edge having a first pair of notches spaced 180 degrees apart, and an open rear section.