Weighted Unit for Traffic Signs with Horizontal Channels
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Solution Overview
Problem
Current systems for holding down temporary traffic signs and signals are often complex, prone to deterioration, and costly, lacking a simple and efficient solution for non-permanent affixing to roadways.
Innovation Solution
A weighted unit with horizontal channels and protrusions that engage with object members to secure them without touching the ground, made from recycled rubber with adjustable size and weight, featuring internal voids for ballast and stacking notches for increased stability and transportability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If fabricated frames with multiple precision metal pieces are used, then the holding down capability is improved, but the device complexity and manufacturing cost increase
Solution Approach 1:
The patent combines multiple metal pieces that would traditionally be welded together into a single integrated frame structure. This reduces the number of components and assembly steps while maintaining the structural integrity and holding down capability, directly resolving the contradiction between reliability and device complexity
Solution Approach 2:
The frame is designed with universal features including horizontal channels that can accommodate various leg configurations and protrusions that interface with different object types. This multi-functional design allows a single frame structure to handle diverse holding down scenarios without requiring multiple specialized components, reducing complexity while maintaining reliability
2Ease of manufacture
If sandbags are used for holding down objects, then the cost is reduced, but the reliability and durability deteriorate due to ripping and tearing
Solution Approach 1:
The patent employs a composite construction combining a rigid metal frame structure with a flexible rubber cover. The metal frame provides structural strength and durability, while the rubber cover protects against corrosion and enhances grip. This composite approach maintains cost effectiveness compared to sandbags while dramatically improving reliability and durability
Solution Approach 2:
The invention changes the fundamental parameter of weight distribution from the diffuse, variable weight of sandbags to the concentrated, predictable weight of a solid metal frame filled with ballast. This parameter change ensures consistent holding down force and eliminates the ripping and tearing issues associated with fabric sandbags, while remaining cost-effective
3Ease of operation
If the weighted unit is designed to engage horizontal members only, then the ease of operation is improved, but the adaptability to different object configurations decreases
Solution Approach 1:
The frame incorporates both horizontal channels for engaging horizontal members and vertical protrusions for engaging vertical members, creating a universal interface that adapts to different object configurations. This allows the same frame structure to easily engage with various leg arrangements without requiring multiple specialized tools or procedures, simultaneously achieving ease of operation and adaptability
Solution Approach 2:
The frame design allows for dynamic adaptation to different object configurations through its multiple engagement points and flexible positioning capabilities. The horizontal channels and vertical protrusions can engage with members in various orientations and positions, enabling the frame to dynamically adjust to different traffic stand and sign configurations while maintaining ease of operation
Data Source
AI summary
A weighted unit is provided. The weighted unit includes an enclosed shape, the shape having horizontal channels running along the entire base of the unit from one side to an opposing side, such that the horizontal channel is open to each opposing side, the weighted unit being placed over a horizontal and/or vertical member of an object to be held down with the channel engaging the horizontal member to hold the object in place. Protrusions or other features are integrally formed in the weighted unit to allow the weighted unit to hang from the object to be weighed down without the weighted unit touching the ground. The weighted unit may be placed directly over the top of a horizontal member of the object to be weighed down without also engaging, or being placed around, a vertical component of the same object.