Air bone / Air structure Umbrella

Foldable umbrella is light and small, so lot of people like to carry them in rainy days. However, the existing foldable umbrellas have fragile metal structure. They break easily with repeatedly folds or blown by wind. It means that a folding umbrella has a short duration.
Air bone is a concept that combines air pump and foldable umbrella. Air bone has an airtight pump which pumps up air into the structure of a umbrella. The structure filled with air stretches the umbrella cloth and be ready for use. For folding it, you can simply pump down air from structure of umbrella. Structure of air bone is foldable and flexible.