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[0001] 1. Field of the Invention
[0002] The present invention provides an improved rib structure of a windproof umbrella, more particularly a simple rib structure of an umbrella having the windproof function, not only enhances the stability of the rib structure, but also effectively guides the airflow direction to prevent the umbrella being bent backward due to strong wind.
[0003] 2. Description of the Prior Art
[0004] As time goes by and technology advances, the tools for sheltering against wind and rain are getting simpler and more practical day after day. Among these tools, umbrella is one of the examples, and the application of an umbrella for modem people is not just for sheltering against rain, but it also provides the function for shading from the sun, and sheltering from the wind. However, when the regular umbrella is used for sheltering from the wind and rain, the umbrella may be bent backward due to strong wind, and this phenomenon is called “sagging”. Such phenomenon may have bad impact on the umbrella, but it also endangers the safety of the user. Please refer to
[0005] In view of the above-mentioned shortcomings of the conventional structure, the inventor of the present invention based on years of experience accumulated from the engagement in the related industry conducted extensive research to resolve the foregoing shortcomings and invented the present improved rib structure.
[0006] Therefore, the primary objective of the present invention is to solve the foregoing problem by providing an auxiliary supporting rib to build a second umbrella layer at the backside of the first umbrella layer. Such arrangement forms an airflow guidance space between the two umbrella layers, thereby when there is strong wind, the gathered wind will be discharged via the airflow guidance space, and capable of preventing the umbrella from being bent backward.
[0007] Another objective of the present invention is to enhance the stability of the umbrella rib structure by implementing the auxiliary set of supporting ribs.
[0008] To make it easier for our examiner to understand the objective of the invention, its structure, innovative features, and its performance, we use a preferred embodiment together with the attached drawings for the detailed description of the invention.
[0009] Other objects, features, and advantages of the invention will become apparent from the following detailed description of the preferred but non-limiting embodiment. The description is made with reference to the accompanying drawings, in which:
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[0017] Please refer to FIGS.
[0018] Please refer to FIGS.
[0019] By the characteristics of the foregoing elements, it definitely can use the auxiliary supporting rib (
[0020] As described above, the present invention is innovative and more advantageous than the conventional umbrella rib having the foregoing advantages by forming a second umbrella layer at the backside of the first umbrella layer and an airflow guidance space to prevent the umbrella rib from being bent backward due to strong wind. The present invention also improves the stability of the umbrella rib structure and it complies with the patent application requirements. Hence the present invention is submitted to the Patent and Trademark Office for review and the granting of the commensurate patent.
[0021] While the invention has been described by way of example and in terms of a preferred embodiment, it is to be understood that the invention is not limited thereto. To the contrary, it is intended to cover various modifications and similar arrangements and procedures, and the scope of the appended claims therefore should be accorded the broadest interpretation so as to encompass all such modifications and similar arrangements and procedures.