Paint Pad Tray Assembly for Edge-Clean Uniform Paint Transfer
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Solution Overview
Problem
Conventional paint pads and application methods often result in non-uniform paint coverage, excess paint dripping onto surfaces not intended to be painted, and difficulties in efficiently transferring paint due to the size mismatch between rollers and pads, leading to frustration and inefficient painting processes.
Innovation Solution
A painting kit with a paint tray and transfer surfaces designed to apply paint only to selected portions of the paint pad, preventing excess paint from being expelled from the edges and ensuring uniform coverage by using cylindrical rollers with specific diameters that match the pad size, along with edge followers and wipers to manage paint distribution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If a paint pad is dipped into a conventional paint reservoir, then paint is transferred to the paint pad, but excess paint is absorbed leading to dripping and non-uniform coverage
Solution Approach 1:
The paint reservoir incorporates a roller with a paint transfer surface that selectively applies paint to specific portions of the paint pad. This local quality approach ensures that paint is distributed evenly across the pad surface rather than being uniformly absorbed, preventing both excess paint accumulation and bare spots.
Solution Approach 2:
A roller acts as an intermediary between the paint reservoir and the paint pad. The roller picks up paint from the reservoir and transfers it to the pad in a controlled manner, mediating the paint transfer process to achieve uniform coverage and prevent dripping.
2Measurement precision
If the paint pad width matches the feature width being painted, then precise edge painting is achieved, but excess paint is forced out onto bordering surfaces
Solution Approach 1:
The roller's paint transfer surface is positioned and sized to match the dimensions of the paint pad, ensuring paint is applied only to the areas that need it. This prevents paint from being forced out at the edges onto bordering surfaces while maintaining precise edge painting capability.
3Quantity of substance
If a conventional paint roller is used to apply paint to a paint pad, then paint transfer occurs, but size mismatch causes counter-rotation and frustrated users
Solution Approach 1:
The roller is designed with an asymmetric support structure where one end is supported while the other end overhangs. This asymmetric configuration, combined with the anti-rotation means, prevents counter-rotation during paint transfer, making the operation smooth and frustration-free for the user.
Solution Approach 2:
The roller serves as a properly sized intermediary that matches the paint pad dimensions, eliminating the size mismatch problem. The anti-rotation means further mediates the interaction between roller and pad to prevent counter-rotation.
4Quantity of substance
If paint is applied to the entire paint pad surface, then coverage is maximized, but paint drips onto surfaces not intended to be painted
Solution Approach 1:
The roller's paint transfer surface is configured to apply paint only to the central portion of the paint pad, leaving the edges without paint. This local quality approach maximizes coverage of the areas that need painting while preventing paint from reaching the edges where it could drip onto unintended surfaces.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution provides crisp, straight borders and improved paint distribution, reducing paint wastage and the need for frequent refilling, while preventing paint from being applied to unintended surfaces, thus enhancing painting efficiency and quality.
Implementation Method 1
a cylindrical roller supported for rotation with respect to the tray and partially submerged in the reservoir with the outside diameter of the cylindrical roller providing a paint transfer surface for making contact with a paint pad in order to transfer paint from the reservoir to the paint pad
Data Source
AI summary
A painting kit includes one or more paint pads and a paint tray. The paint tray includes a reservoir for holding a supply of paint, and means for transferring paint to a paint pad. In one embodiment the paint tray includes a rotating cylinder to transfer paint from the paint reservoir to one or more paint pads. In another embodiment, one or more paint pedestal surfaces are coated with paint from the reservoir in order to transfer paint to paint pads. Each of the paint pads and the trays includes features to selectively apply paint to the paint pad and to avoid applying paint to selected longitudinal edges of the paint pad. The lack of paint along the longitudinal edges helps to prevent paint from dripping or being forced from the longitudinal edge onto adjacent dry surfaces, and thereby enables a user to paint uniformly near edges while avoiding adjacent areas.