Fire Hose Climbing Tools for Floor-Collapse Firefighter Escape
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Solution Overview
Problem
Firefighters lack a compact, intuitive, and effective means to escape from burning structures when their colleagues fall through burning floors into smoke and fire-filled spaces, as existing tools like ladders are not easily deployable in such hazardous conditions.
Innovation Solution
A firefighting climbing device system comprising a hand tool and a foot tool that latch onto a pressurized fire hose, utilizing beveled teeth in a U-shaped frame to provide friction and support, allowing firefighters to climb out by grasping and stepping on the hose, leveraging gravity and weight for stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a ladder is used to rescue a firefighter who fell through the floor, then the firefighter can be pulled up and out of the dangerous space, but the ladder is not easily deployable and cannot be quickly carried and deployed by a team member
Solution Approach 1:
The climbing device is divided into separate hand tool and foot tool components that can be independently carried and assembled, allowing team members to have individual tools ready for immediate deployment without needing to assemble a complex ladder structure
Solution Approach 2:
The fire hose serves as an intermediary element between the climbing device and the vertical escape path. The beveled teeth on the tools latch onto the pressurized fire hose, converting the hose into a climbable surface that provides reliable support while being easily deployable with existing firefighting equipment
2Reliability
If every member of the firefighting team carries a compact climbing tool, then any team member who falls through the floor will have immediate means to climb out, but the tool must be compact enough to be carried by each firefighter
Solution Approach 1:
The climbing device is segmented into separate hand and foot tools that can be carried individually, reducing the volume each firefighter must carry while maintaining complete escape functionality when assembled
Solution Approach 2:
The hand tool and foot tool are designed to work together as a complete climbing system, with each component being compact enough for individual carry but combining to provide full vertical climbing capability on fire hoses of various sizes
3Reliability
If the climbing device uses beveled teeth to grasp the fire hose, then the device can maintain fixed position using gravity, friction and weight, but the teeth must be designed to work with pressurized fire hoses
Solution Approach 1:
The beveled teeth are specifically designed with localized geometry optimized for engaging with the surface characteristics of pressurized fire hoses, providing reliable friction and mechanical interlocking without puncturing the hose
Solution Approach 2:
The climbing device is designed to work with standard fire hoses used in firefighting operations, with the beveled teeth configuration adapting to the specific dimensions and surface properties of pressurized hoses while maintaining holding capability
4Ease of operation
If the climbing device is designed to be intuitive to use in disorienting situations, then firefighters can easily operate it when disoriented by smoke and fire, but the design must be simple enough for immediate understanding
Solution Approach 1:
Instead of requiring firefighters to figure out how to operate a complex mechanism, the device is designed with natural, intuitive motions - grasping the hand tool and stepping on the foot tool in the obvious upward direction, reversing the complexity burden from user understanding to simple execution
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
Enables firefighters to safely and efficiently climb out of burning spaces using a pressurized fire hose, even in disorienting conditions, by providing a reliable and compact system that can be easily carried and deployed by the team.
Implementation Method 1
The hand tool and the foot tool both have beveled teeth oriented in a substantially square shaped or substantially U-shaped frame in such a way as to grasp the fire hose and by using gravity, friction and the weight of the firefighter to maintain fixed position on the fire hose
Implementation Method 2
The hand tool and the foot tool both have beveled teeth oriented in a substantially square shaped or substantially U-shaped frame in such a way as to grasp the fire hose and by using gravity, friction and the weight of the firefighter to maintain fixed position on the fire hose
Implementation Method 3
The firefighting climbing device and system comprises a hand tool and a foot tool. The hand tool is adapted to latch onto a pressurized fire hose
Data Source
AI summary
A firefighter safety system and tools purposed for extracting oneself from out of a burning and smoke infested compartment of a building structure where the floor has caved in. Disclosed is a hand tool and foot tool that a firefighter can use alongside with a pressurized fire hose whereby the hand tool and foot tool can engage the fire hose in frictional contact whereby the firefighter can pull with their hand on the tool and push with their foot on the foot tool until they extricated themselves from dangerous conditions.