Umbrella with wire frame and slide rod - has automatic pressure release through air flaps

摘要

The material covering of the umbrella has one or more air valves (2) which open automatically outwards against the pressure over the umbrella as the air pressure builds up underneath the umbrella. The air valves pref. each comprise an air opening (2) in the first material cover (3) covered by a second material cover (1) which forms an opening (4) to the side. The second cover rests on the first cover and beneath the air opening is pref. elastic or cut wider than the distance between the fixing points so as to expand and create the air gap. USE/ADVANTAGE - The frame and cover are extremely stable even in windy conditions.