Advanced Wind-Resistant Folding Umbrella Design
Legal Citation
Background and Problem Solved
Conventional folding umbrellas suffer from poor wind resistance, stability issues, and safety concerns. The original special-shaped folding umbrella patent (Claims 1-5) provided a novel design, but it still had limitations in terms of wind resistance, stability, and safety. This invention addresses these limitations by introducing innovative features that improve the overall performance and user experience of the special-shaped folding umbrella.
Novelty and Inventive Step
The new claims introduce a range of innovative features that significantly improve the performance and safety of the original special-shaped folding umbrella. The reinforced shaft, aerodynamically shaped ribs, shock-absorbing cap, and automatic closure system are novel and non-obvious compared to the original patent, providing a substantial inventive step.
Alternative Embodiments and Variations
Alternative embodiments of the invention could include variations in the design of the reinforced shaft, such as using different materials or structures to achieve enhanced stiffness. The aerodynamically shaped ribs could be optimized for different wind patterns or speeds. The shock-absorbing cap and notch could be designed with different materials or geometries to achieve improved safety features. The automatic closure system could be integrated with other sensors, such as rain or light sensors, to provide a more comprehensive umbrella control system.
Potential Commercial Applications and Market
The enhanced special-shaped folding umbrella has significant commercial potential in the outdoor gear and accessories market, particularly in regions with high wind speeds or frequent storms. The invention's improved safety features and automated closure system make it an attractive option for consumers seeking a reliable and convenient umbrella solution. The invention could also be marketed to industries such as construction, emergency services, or outdoor events, where a high-quality, wind-resistant umbrella is essential.
CPC Classifications
| Section | Class | Group |
|---|---|---|
| A | A45 | A45B19/10 |
| A | A45 | A45B11/00 |
| A | A45 | A45B25/18 |
| A | A45 | A45B2011/005 |
Section 103 Obviousness Analysis (PHOSITA)
Field of Art
Umbrella Design and Mechanical Engineering, specifically focusing on portable personal weather protection devices with collapsible mechanisms. Skill level involves understanding mechanical linkages, materials science, and ergonomic design principles for portable protective equipment.
Person of Ordinary Skill (PHOSITA) Profile
A mechanical engineer or industrial designer with expertise in folding mechanisms, materials selection, and human factors engineering, capable of iterative design improvements and understanding structural load distributions in portable devices.
Obviousness Rationale
A PHOSITA would recognize that the PTD's variations represent predictable engineering improvements to the source patent's fundamental umbrella design. The disclosed modifications address known limitations in umbrella performance such as wind resistance, safety, and user comfort through standard mechanical engineering problem-solving techniques. These variations emerge from routine design optimization processes common in portable mechanical device development.
Obvious Combinations & Variations
Original Patent Information
| Patent Number | US 11,857,041 |
|---|---|
| Title | Special-shaped folding umbrella |