TOTALLY OR PARTIALLY WIND RESISTANT BI-UMBRELLA, BI-PARASOL HAVING EXTENDABLE, COMPARTMENTED, AND INDEPENDENT OPENINGS

摘要

The invention relates to a system such as a foldable and unfoldable umbrella, sunshade, or parasol for protection against bad weather, including: a pole (31), at least two bushes (12), two frames, two series of wind removal openings (8, 9), three mutually overlapping coverings (7, 10, 22) maintained by series of adjusters having a resilient core (20), and two safety springs (3, 4). At least two wind passages are defined by the second and third covering based on a predetermined speed.