Advertising Sign Bracket with Pin Cradle Wind Resistance
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Solution Overview
Problem
Temporary advertising signs face challenges in withstanding strong winds and require easy message updates without being damaged or overturned, while also being lightweight and portable.
Innovation Solution
A portable sign apparatus featuring pin cradles with gaps that trap pins, preventing them from being dislodged by wind, and allowing easy panel replacement by lifting the panel straight up through the cradle opening without fasteners, combined with weighted bases for stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the sign structure is made more robust to resist wind forces, then wind resistance improves, but weight and portability deteriorate
Solution Approach 1:
The sign structure is divided into separate modular components: a base unit, vertical support members, and horizontal support members with display panels. These segments can be assembled and disassembled independently, allowing the sign to be lightweight yet stable when assembled, and easy to transport when disassembled.
Solution Approach 2:
The base unit incorporates weighting elements that provide counterbalance to resist wind forces attempting to overturn the sign. This counterweight mechanism allows the sign to remain stable against wind loads without requiring the entire structure to be heavily weighted or anchored.
2Reliability
If the sign uses heavy-duty fastening mechanisms to prevent overturning, then stability improves, but ease of operation deteriorates
Solution Approach 1:
The connection between support members and the base utilizes a dynamic insertion mechanism where members are inserted at an angle and then locked into place. This allows for quick installation and removal without requiring complex fastening tools or procedures, maintaining both stability and ease of operation.
Solution Approach 2:
The sign structure employs self-locking features where the horizontal support members automatically secure themselves to the vertical members and base through geometric interlocking. This self-service mechanism eliminates the need for additional fasteners or complex assembly procedures while maintaining structural stability.
3Reliability
If the sign uses a fixed message structure, then stability improves, but adaptability deteriorates
Solution Approach 1:
The display message is segmented into interchangeable panel units that can be independently replaced on the horizontal support members. Each panel is a separate component that can be quickly swapped without affecting the structural integrity or stability of the overall sign framework.
Solution Approach 2:
The horizontal support members are designed with universal connection points that can accommodate different types of display panels or message units. This multi-functionality allows the same structural framework to support various message configurations while maintaining structural stability.
Data Source
AI summary
An advertising sign bracket that allows quick and simple replacement of a display panel while at the same time preventing damage to both the display panel as well as the complete advertising structure from strong winds. The free swinging provided by the bracket allows for a blow-through pivotal sign attached to a support structure to rotate along a horizontal axis, without the vertical display panel leaving the assembly while swinging freely.