Rotatable Ergonomic Hook for Paint Brush Grip Stability

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Solution Overview

Problem

Existing paint brushes with integrated hooks are often sharp, uncomfortable to handle, and interfere with brush operation, making it difficult for painters to maintain a stable grip and precision while painting.

Innovation Solution

A paint brush design featuring a rotatable ergonomic hook with a rounded interior and thumb groove, allowing for comfortable digit support and improved grip stability, along with a screw coupling mechanism for adjustable hook positioning.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If a hook is integrated into the brush handle, then the brush can be supported on a paint pail during use, but the hook may be sharp and injure the painter

Engineering Contradiction:

Improvebrush support capabilityVSAvoidsharp hook injury risk

Core Design Contradiction:

Ease of operationVSObject-affected harmful factors

Solution Approach 1:

The hook is designed with a rounded tip instead of a sharp point, eliminating the injury risk while maintaining the brush support function. The curved geometry allows the hook to engage with the paint pail rim safely.

Inventive Principle:

Principle #14Spheroidality (Curvature)

2Ease of manufacture

If a traditional hook is used, then the brush can be stored, but the hook is not comfortable to handle and interferes with brush operation

Engineering Contradiction:

Improvebrush storage capabilityVSAvoidhandling comfort

Core Design Contradiction:

Ease of manufactureVSEase of operation

Solution Approach 1:

The hook incorporates a specific rounded portion at the handling area designed to accommodate the painter's thumb or digit. This localized ergonomic feature provides comfort where the user contacts the hook, while the rest of the hook maintains its storage function.

Inventive Principle:

Principle #3Local quality

Solution Approach 2:

The hook is pre-shaped with an ergonomic contour during manufacturing, so that when the painter grasps the brush, their thumb naturally rests in the comfort zone without requiring adjustment or adaptation.

Inventive Principle:

Principle #10Preliminary action

3Device complexity

If a fixed hook position is used, then the structure is simple, but the grip stability is reduced

Engineering Contradiction:

Improvehook structure simplicityVSAvoidgrip stability

Core Design Contradiction:

Device complexityVSStability of the object's composition

Solution Approach 1:

The hook is made rotatable within the handle body, allowing it to pivot and adapt to different gripping positions. This rotational freedom enables the painter to optimize the hook's orientation for maximum grip stability while keeping the overall structure relatively simple.

Inventive Principle:

Principle #15Dynamics

Data Source

PatentUS11723452B2Brush with rotatable ergonomic rounded hook

Publication Date: 2023.08.15 ALVAREZ RAFAEL

AI summary

An improved paint brush is disclosed. In particular, the improved paint brush includes a body portion and a handle extending therefrom. A plurality of bristles extends from the body portion, and can be held in place by a sleeve. A hook is disposed on and extends from the body portion. The underside of the hook is rounded so that a painter can place her thumb on the hook thereby obtaining a more stable grip allowing for more precise painting.