Segmented Painting Tool for Narrow Spaces

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Solution Overview

Problem

Conventional painting tools are inadequate for accessing and painting narrow spaces behind objects like toilets, stoves, and refrigerators, as they require disconnection of these objects, which can lead to water damage and health risks.

Innovation Solution

A painting apparatus with a handle portion, an applicator portion, and an intermediate section, designed to fit comfortably in the user's hand, allowing for efficient paint application in tight spaces without the need to disconnect heavy or permanently mounted objects, featuring a proximal section with a larger width and height than the intermediate section for secure grip and an offset applicator portion for reaching behind obstacles.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If conventional painting tools (rollers and brushes) are used, then they can paint most wall surfaces, but they cannot access narrow spaces behind objects like toilets

Engineering Contradiction:

ImproveAccessibility to narrow spacesVSAvoidPaint application coverage

Core Design Contradiction:

Ease of operationVSProductivity

Solution Approach 1:

The painting device is segmented into a handle portion and a separate applicator portion connected by a flexible intermediate section. This segmentation allows the applicator to be positioned in narrow spaces behind objects while the handle remains accessible to the user, enabling paint application in previously unreachable areas.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The flexible intermediate section allows the applicator to move in multiple dimensions relative to the handle, enabling it to reach behind objects like toilets by bending and flexing in ways that rigid conventional tools cannot achieve.

Inventive Principle:

Principle #17Another dimension (Dimensionality change)

2Ease of operation

If the toilet is disconnected to facilitate painting behind it, then painting access is improved, but water and waste may escape causing damage and health risks

Engineering Contradiction:

ImprovePainting access behind toiletVSAvoidWater damage and health risks

Core Design Contradiction:

Ease of operationVSObject-affected harmful factors

Solution Approach 1:

The flexible intermediate section acts as an intermediary that bridges the gap between the user's hand and the narrow space behind the toilet, allowing paint application without requiring disconnection of the toilet or other objects.

Inventive Principle:

Principle #24Intermediary (Mediator)

3Ease of operation

If the handle portion has a larger proximal section for secure grip, then user comfort is improved, but the overall device size increases

Engineering Contradiction:

ImproveGrip securityVSAvoidDevice size

Core Design Contradiction:

Ease of operationVSVolume of moving object

Solution Approach 1:

The handle portion features a proximal section with larger dimensions specifically at the grip area, while other portions of the device remain compact. This local quality enhancement provides secure user grip without significantly increasing the overall device volume.

Inventive Principle:

Principle #3Local quality

Data Source

PatentUS9180479B1Painting apparatus

Publication Date: 2015.11.10 JVIS USA LLC

AI summary

A painting apparatus for applying paint to a painting surface within a narrow space. The painting apparatus includes a handle portion, an applicator portion and an applicator material. The handle portion is configured to prevent a user's hand from moving with respect to the handle portion while grasping the handle portion. The applicator portion is attached to the handle portion. The applicator material is arranged relative to an external surface of the applicator portion for applying paint to the painting surface.