Multi-Use Firefighting Tool Halligan Engagement Wedge

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Solution Overview

Problem

Existing multi-use firefighting tools do not effectively enable forcible entry and valve opening/closing, and are not adapted to supplement a standard halligan tool, limiting their utility in firefighting scenarios.

Innovation Solution

A multi-use firefighting tool with a body featuring a vertical aperture and lateral cavity designed to engage a halligan tool's pick and adz, incorporating a wedge with slot edges for enhanced leveraged wedging and twisting capabilities, allowing for forcible entry and valve operations.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If traditional multi-use firefighting tools are designed to combine common tool capabilities, then they provide beneficial uses, but they are not widely used because they do not align with or engage with the common set of irons carried by firefighters

Engineering Contradiction:
Improvetool functionalityVSAvoidcompatibility with halligan tool
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

The tool head is designed to perform multiple functions including forcible entry, valve operation, and engagement with halligan tools. The universal design allows a single tool to replace multiple specialized tools, enabling firefighters to carry fewer tools while maintaining full operational capability

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

Solution Approach 2:

The tool head acts as an intermediary component that connects to the halligan tool handle. This mediator design allows the combination of the halligan tool's leverage capabilities with the tool head's multiple functions, creating a unified system that enhances both compatibility and versatility

Inventive Principle:
Principle #24Intermediary (Mediator)

2Adaptability or versatility

If firefighters carry multiple tools to serve a variety of needs, then they can adapt to immediate needs, but it requires added time and risk of returning to staging area to retrieve additional tools

Engineering Contradiction:
Improvetool varietyVSAvoidtime to retrieve tools
Core Design Contradiction:
Adaptability or versatilityVSLoss of time

Solution Approach 1:

Multiple tool functions are merged into a single tool head design. The combination of forcible entry capabilities, valve operation features, and halligan compatibility in one tool eliminates the need to carry separate tools for each function, reducing retrieval time and improving response efficiency

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The universal tool head design provides a broad range of functions that cover most firefighting scenarios. This multi-functionality allows firefighters to replace multiple specialized tools with a single versatile tool, reducing the time and risk associated with returning to the staging area

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

3Adaptability or versatility

If a multi-use tool is designed to enable forcible entry and valve opening/closing, then it provides comprehensive functionality, but it may become cumbersome to use

Engineering Contradiction:
Improvefunctional capabilitiesVSAvoiduser convenience
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

The tool is segmented into two distinct components: a standardized handle and a functional tool head. This segmentation allows the handle to provide leverage and control while the tool head provides multiple functions. The modular design reduces overall complexity and improves ease of operation compared to a single-piece cumbersome tool

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The tool head serves as an intermediary that connects to the halligan tool handle, allowing the handle's ergonomic design and leverage capabilities to be utilized while adding functional capabilities. This intermediary design distributes the functionality across components, preventing any single part from becoming overly complex or cumbersome

Inventive Principle:
Principle #24Intermediary (Mediator)

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 tool provides a versatile solution for firefighters to perform forcible entry, valve opening/closing, and other operations, enhancing their ability to adapt to unpredictable situations without needing additional tools, while being compatible with standard halligan tools.

Implementation Method 1

enhanced leveraged wedging capabilities

Methodology Applied
Scientific EffectMechanical Advantage: Mechanical Advantage

Implementation Method 2

a wedge interconnected with the body comprising at least a pair of edges defining a slot

Methodology Applied
Scientific EffectWedge: Wedge

Implementation Method 3

twisting capabilities

Methodology Applied
Scientific EffectTorque: Torque

Data Source

PatentUS9345912B2Multi-use firefighting tool
Publication Date: 2016.05.24 ONSCENE SOLUTIONS LLC
  • US9345912B2 patent drawing
  • US9345912B2 patent drawing
  • US9345912B2 patent drawing

AI summary

The present invention provides a multi-use firefighting tool. The tool may be used as a stand-alone tool or as a supplement to existing tools. An additional aspect of the present invention is to provide a multi-use tool configured to enable, among other things, forcible entry and valve opening/closing. Further, the tool may be used to supplement a firefighting Halligan tool.