Pin Anchored Umbrella Base Stability and Mobility
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Solution Overview
Problem
Existing umbrella bases are either unstable in moderate to heavy weather conditions, cumbersome to move, and aesthetically unappealing, particularly when used for larger outdoor umbrellas that require significant weight or permanent mounting structures for stability.
Innovation Solution
A novel single pin mount and dome mechanism that securely anchors the umbrella pole to a concrete surface using a drop-in anchor and screw-in base, providing stability and mobility while maintaining an attractive appearance, allowing for semi-permanent positioning and easy relocation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If weighted bases are used to provide stability for larger umbrellas, then stability against wind and weather is improved, but the base becomes cumbersome and difficult to move
Solution Approach 1:
The base is divided into separate functional components: a lightweight dome structure for stability, a separate anchor pin for securing, and a removal tool for relocation. This segmentation allows each component to be optimized independently - the dome provides stability without the need for heavy weights, while the anchor pin remains small and manageable for easy installation and removal.
Solution Approach 2:
The anchor pin acts as an intermediary element between the dome base and the concrete surface. Instead of requiring heavy weights or permanent concrete pouring, the anchor pin mediates the connection by embedding into the concrete and providing a secure anchor point for the dome, enabling both stability and easy relocation.
2Stability of the object's composition
If permanent mounting structures are used to secure umbrella poles, then stability is improved, but the mounting locations are permanently defaced and relocation is difficult
Solution Approach 1:
The mounting system transitions from a static permanent concrete pour to a dynamic removable anchor pin system. The anchor pin can be easily inserted and removed from the concrete surface, allowing the umbrella location to be changed without permanent damage. The dome structure remains stable during use but can be quickly removed when relocation is needed.
Solution Approach 2:
The anchor pin is designed to be easily removed and reused at different locations. Instead of permanently altering the concrete surface, the anchor pin can be extracted and reinstalled at new positions, allowing the same concrete surface to serve multiple umbrella locations over time without permanent defacement.
3Stability of the object's composition
If heavy weighted stands are used for large umbrellas, then stability in heavy weather is improved, but the visual appearance becomes unattractive
Solution Approach 1:
The dome structure uses a thin-walled but structurally sound design that provides stability without the bulk of heavy weights. The dome's curved geometry distributes forces efficiently, allowing it to resist wind and weather while maintaining a clean, attractive appearance. The thin-walled construction eliminates the need for bulky concrete or metal weights that would be visually obtrusive.
Data Source
AI summary
An anchored umbrella base is provided with a screw-in base member threaded to an anchor and protruding through a dome to receive a lower umbrella pole.