Sanding Block With Retention Tab for Scraping Tool Handles

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Solution Overview

Problem

Sanding tools like sandpaper often get misplaced or prematurely worn out during surface preparation, and existing sanding blocks can also be lost or difficult to attach securely to scraping tools.

Innovation Solution

A sanding block designed to securely attach to the handle of a scraping tool, featuring a flexible material with a locking mechanism and retention tab to accommodate different handle sizes, allowing easy attachment and removal of sandpaper.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If sandpaper is used for surface preparation, then sanding function is achieved, but sandpaper gets misplaced or prematurely worn out

Engineering Contradiction:

Improvesandpaper retentionVSAvoidsandpaper loss

Core Design Contradiction:

ReliabilityVSLoss of substance

Solution Approach 1:

The sandpaper is merged with the sanding block through a retention tab and cavity system, creating a unified assembly that prevents the sandpaper from being misplaced or lost during surface preparation operations

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The sandpaper is nested within the sanding block structure, with the sandpaper positioned inside a cavity and secured by a retention tab, ensuring it remains contained and protected during use

Inventive Principle:

Principle #7Nested doll (Nesting)

2Stability of the object's composition

If a sanding block is used to hold sandpaper, then sanding stability is improved, but the sanding block itself can be misplaced

Engineering Contradiction:

Improvesanding stabilityVSAvoidsanding block loss

Core Design Contradiction:

Stability of the object's compositionVSLoss of substance

Solution Approach 1:

The sanding block is merged with the scraping tool handle through a fitting mechanism, creating a combined tool assembly that prevents the sanding block from being misplaced while maintaining sanding stability

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The sanding block is designed to attach to various scraping tool handles, making the sanding function universal and reducing the likelihood of losing the sanding block by integrating it with an essential tool

Inventive Principle:

Principle #6Universality (Multi-functionality)

3Ease of operation

If sandpaper is attached to sanding block, then sanding function is enabled, but changing worn sandpaper is time-consuming

Engineering Contradiction:

Improvesandpaper change easeVSAvoidsandpaper change time

Core Design Contradiction:

Ease of operationVSLoss of time

Solution Approach 1:

The sanding block is segmented into removable components, with the sandpaper and retention tab assembly able to be quickly detached and replaced, significantly reducing the time required to change worn sandpaper

Inventive Principle:

Principle #1Segmentation

Data Source

PatentUS20250303523A1Sanding block that fits onto a variety of scraping tool handles

Publication Date: 2025.10.02 TIERNEY JR THOMAS LEONARD

AI summary

A sanding block adapted to fit on the handle of a tool to aid in preparation of a surface.