Straight Paint Roller and Container for Narrow Areas

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Solution Overview

Problem

Traditional paint rollers struggle to efficiently paint narrow and hard-to-reach areas, and the accompanying paint trays are often unstable and difficult to manage, leading to inefficiencies and paint wastage.

Innovation Solution

A paint roller system comprising a paint roller with a frame and handle aligned along the same axis, allowing for efficient access to narrow areas, and a specialized container with a cylindrical top, narrower reservoir, and stable base to store and recoat the roller, while securely holding extra paint.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a traditional paint roller with perpendicular handle and roller frame is used, then it is effective for painting flat areas, but it cannot effectively paint narrow areas between picket fences or behind toilets

Engineering Contradiction:

Improvepainting capability in narrow areasVSAvoidoperational efficiency

Core Design Contradiction:

Adaptability or versatilityVSEase of operation

Solution Approach 1:

The patent inverts the traditional perpendicular arrangement of handle and roller frame into a collinear arrangement where both align along the same axis. This inversion allows the roller to reach narrow spaces between picket fences and behind fixtures while maintaining operational efficiency through the extended handle design

Inventive Principle:

Principle #13The other way round (Inversion)

2Quantity of substance

If roller trays are made deeper to hold more paint, then paint storage capacity increases, but it becomes more difficult to recoat roller cover, evenly distribute paint, and remove excess paint

Engineering Contradiction:

Improvepaint storage capacityVSAvoidroller recoating ease

Core Design Contradiction:

Quantity of substanceVSEase of operation

Solution Approach 1:

The container is segmented into distinct functional zones: a reservoir portion for paint storage, a cylindrical portion for roller insertion and recoating, and a base portion for stability. This segmentation allows the roller to be easily inserted and recoated in the cylindrical portion while the reservoir provides adequate paint storage capacity

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The container transitions from a traditional shallow tray geometry to a three-dimensional structure with vertical stacking of functional zones. The reservoir portion sits above the base portion, creating vertical separation between paint storage and roller operation areas, enabling both deep paint storage and easy roller manipulation

Inventive Principle:

Principle #17Another dimension (Dimensionality change)

3Adaptability or versatility

If traditional paint trays are used to store used rollers, then roller storage is possible, but paint stored in trays and absorbed in rollers will dry and ruin subsequent uses, and the roller gets paint all over the handle end and roller frame

Engineering Contradiction:

Improveroller storage capabilityVSAvoidpaint quality preservation

Core Design Contradiction:

Adaptability or versatilityVSReliability

Solution Approach 1:

The roller is nested within the cylindrical portion of the container, which is itself part of the larger container structure. This nested arrangement allows the roller to be stored upright within the paint container, keeping the roller covered and protected from air exposure that would cause paint to dry, while preventing paint from contacting the handle and frame

Inventive Principle:

Principle #7Nested doll (Nesting)

Data Source

PatentUS20250025910A1Straight paint roller and container

Publication Date: 2025.01.23 MCELWAIN KENNETH STEVEN

AI summary

A paint roller is provided having a substantially linear profile and form factor facilitating access to spaces that would be difficult or impossible to paint using traditional paint rollers. A container is provided for use with the paint roller. A set comprising a paint roller having a substantially linear profile and container configured to accept the paint roller is provided.