Foldable Hydrant Marker Pivoting Indicator Rod
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Solution Overview
Problem
Fire hydrants can be difficult to locate and access due to obstruction by snow, shrubs, or vehicles, as traditional markers do not easily adapt to changing environments and obstruct access when in the indicating position.
Innovation Solution
An adjustable hydrant marker system with a base and indicator rod that can be pivoted from an indicating position to a folded position, allowing easy access to the hydrant without tools and remaining in the folded position for unobstructed access.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Difficulty of detecting and measuring
If the hydrant marker is kept in the indicating position to provide visual indication, then the hydrant location is easily visible, but the marker obstructs access to the hydrant
Solution Approach 1:
The hydrant marker is designed with a movable indicator rod that can be dynamically positioned between an indicating position (extending upward for visibility) and a folded position (aligned with the hydrant body for access). This dynamic reconfiguration allows the marker to adapt its function based on operational needs, resolving the contradiction between visibility and accessibility
2Ease of operation
If the hydrant marker is made adjustable and foldable, then access to the hydrant is improved, but the device complexity increases
Solution Approach 1:
The hydrant marker is segmented into distinct functional components: a base portion that remains fixed on the hydrant and a separate indicator rod that can be folded. This segmentation allows the indicator rod to be independently positioned without affecting the overall structural integrity, enabling simplified access while maintaining manageable complexity through modular design
3Adaptability or versatility
If traditional fixed markers are used, then the structure is simple, but the markers cannot adapt to changing environments or provide unobstructed access when needed
Solution Approach 1:
The marker transitions from a static fixed structure to a dynamic adjustable structure where the indicator rod can be folded parallel to the hydrant body. This dynamic capability enables the marker to adapt to different operational scenarios (visibility needs versus access needs) while maintaining a relatively simple overall structure through straightforward mechanical folding mechanisms
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
Enhances accessibility to fire hydrants by allowing the hydrant marker to be easily folded out of the way, reducing obstruction and improving firefighter safety during emergency situations.
Implementation Method 1
The vertical portion is configured to hold the indicator rod in an indicating position and allow the indicator rod to be pivoted from the indicating position to a folded position
Data Source
AI summary
A fire hydrant marker can include an indicator that signals the location of a fire hydrant when the fire hydrant is obstructed. In some examples, the indicator is attached to the fire hydrant by a base. The base allows the indicator to be pivoted between an indicating position and a folded position, thereby providing enhanced user access to the fire hydrant.


