Multi-Use Hand Tool Assembly With Adjustable Marking Distances

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Solution Overview

Problem

Existing marking tools for construction require multiple tools for scribing and measuring, leading to inefficiency and inaccuracy due to the need to switch between different tools during the marking process.

Innovation Solution

A multi-use hand tool assembly with a body featuring a plurality of holes for securing scribe and mark materials, a magnet stud finder, and a removable spacer to adjust marking distances, combining multiple functions into a single tool.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If multiple separate marking tools are used for scribing and measuring, then each tool can be optimized for its specific function, but the work process becomes lengthier and less efficient

Engineering Contradiction:
Improvework process efficiencyVSAvoidnumber of tools required
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The patent combines multiple marking tools (scribe, measuring device, razor, knife) into a single integrated hand tool assembly. The body of the tool contains multiple holes at different distances from the bottom, allowing different marking elements to be positioned at predetermined distances, eliminating the need to switch between multiple separate tools during the marking process.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The hand tool assembly is designed to perform multiple marking functions simultaneously. It can accommodate different types of marking elements (scribe, pencil, marker) in different holes, and the flange can be used for both marking and measuring operations, making the tool versatile for various construction marking tasks.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Measurement precision

If multiple separate marking tools are used, then each tool can be specialized, but marking accuracy decreases due to tool switching

Engineering Contradiction:
Improvemarking accuracyVSAvoidtime for tool switching
Core Design Contradiction:
Measurement precisionVSLoss of time

Solution Approach 1:

The tool incorporates predetermined marking distances built into its structure, with holes positioned at specific distances from the bottom of the body. This preliminary positioning eliminates the need for measurement and tool switching during the marking process, as the correct marking distance is already established by the tool's geometry.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

By combining multiple marking functions in one tool with predetermined distances, the patent eliminates the time loss associated with switching between multiple specialized tools while maintaining marking accuracy through the pre-established geometric relationships between marking elements.

Inventive Principle:
Principle #5Merging (Combining)

3Productivity

If a single multi-use tool is used, then efficiency and accuracy are improved, but the device structure becomes more complex

Engineering Contradiction:
Improvemarking efficiencyVSAvoidtool assembly structure
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The hand tool assembly is segmented into distinct functional components: a body with multiple holes at different positions, a flange with additional holes, and removable marking elements. This segmentation allows each component to serve a specific function while maintaining overall simplicity, with the body providing structural support and the removable elements providing marking capability.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The tool incorporates removable and interchangeable marking elements that can be dynamically changed based on the specific marking task. The flange can be removed or repositioned, and different marking elements (scribe, pencil, marker) can be inserted into different holes, providing dynamic adaptability without permanent complexity.

Inventive Principle:
Principle #15Dynamics

4Adaptability or versatility

If fixed marking distances are used, then the tool structure is simpler, but adaptability to different marking requirements is reduced

Engineering Contradiction:
Improvemarking distance flexibilityVSAvoidadjustable mechanism
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The tool provides multiple fixed marking distances through separate holes positioned at different distances from the bottom of the body and flange. This segmentation of marking distances allows the user to select the appropriate hole for the required marking distance, providing versatility without requiring complex adjustable mechanisms.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The removable flange and interchangeable marking elements provide dynamic adaptability, allowing the tool to be reconfigured for different marking requirements. The flange can be removed to access different holes, and different marking elements can be inserted into different holes, providing flexibility without permanent mechanical adjustments.

Inventive Principle:
Principle #15Dynamics

Data Source

PatentUS20260077467A1Multi-use hand tool assembly and method
Publication Date: 2026.03.19 SWEDE CONSTRUCTION LLC
  • US20260077467A1 patent drawing
  • US20260077467A1 patent drawing
  • US20260077467A1 patent drawing

AI summary

A multi-use hand tool assembly includes a body having a bottom portion, at least one flange extending from the bottom portion, a central portion, and an end with a plurality of holes. Each hole of the plurality of holes includes a narrowing bore extending to and ending at the central portion of the body and configured to secure a scribe and/or mark material at a marking distance. A snap-on spacer is removably coupled to the bottom portion to change at least one marking distance of at least one hole of the plurality of holes.