Umbrella Canopy Stabilization Using Extension Retainers
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Solution Overview
Problem
Conventional umbrellas lack effective canopy stabilization in windy conditions, and they often have cumbersome designs for carrying and storage.
Innovation Solution
The introduction of nylon braided cords for canopy stabilization and a collapsible handle, along with a multi-purpose, adjustable, and removable strap that can be secured over various handles, enhances stability and ease of use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If conventional umbrella designs are used, then the structure is simple, but the canopy stability in windy conditions deteriorates
Solution Approach 1:
Rigid extension retainers act as intermediary elements between the flexible ribs and the canopy fabric. These retainers provide structural support and stabilization to the canopy in windy conditions without requiring a complete redesign of the umbrella structure. The retainers are positioned at strategic points along the ribs to maintain canopy shape and resistance to wind forces.
Solution Approach 2:
The umbrella employs a composite structure combining flexible ribs with rigid extension retainers. This composite approach allows the flexible ribs to provide basic support while the rigid retainers add stability and wind resistance. The combination of different material properties (flexibility and rigidity) resolves the contradiction between simplicity and stability.
2Stability of the object's composition
If the umbrella includes stabilization cords and spacers, then the canopy stability improves, but the device complexity increases
Solution Approach 1:
The stabilization function is merged into the existing rib structure through extension retainers that are integrated with the ribs. Rather than adding separate stabilization mechanisms, the design combines support and stabilization functions into a unified structure, reducing the number of discrete components while maintaining stability.
Solution Approach 2:
Stabilization is applied locally at critical points along the ribs where extension retainers are positioned. This targeted approach provides canopy stability only where needed rather than requiring comprehensive stabilization throughout the entire structure, minimizing the number of components added.
3Adaptability or versatility
If a multi-purpose strap is added, then the adaptability improves, but the device complexity increases
Solution Approach 1:
The adjustable strap is designed with universal applicability, featuring a D-ring and clasp mechanism that allows it to be attached to various umbrella handles and configurations. The same strap can provide shoulder carrying capability, handle security, or attachment to wheeled carriers, eliminating the need for multiple specialized attachment devices.
Solution Approach 2:
The strap incorporates adjustable length capability through a sliding or telescoping mechanism, allowing it to adapt to different carrying preferences and umbrella sizes. This dynamic adjustment feature provides versatility without requiring multiple fixed-length straps or complex attachment systems.
Data Source
AI summary
An umbrella having housing with a deployable canopy extendable and retractable therefrom. The canopy comprises a material covering supported by flexible ribs and rib extension retainer cords. The umbrella further provides an adjustable strap extending between the exterior distal ends and a handle on one distal end of a flexible collapsible material. The adjustable strap further provides a D-ring and clasp on one end allowing for removal of said strap.