| 摘要 |
An enclosable area for the provision of entertainment to an audience located in a defined area of an open air stadium comprising a roof structure extending over the defined area and at least one partitioning structure supported within the roof of the stadium and extendable from the roof to the floor whereby the partition is retractable from a fully extended position in which the defined area is completely enclosed and a storage position in which the entire stadium is open. The area also includes means to secure the partition in a fully extended position. The stadium may be an open air stadium and the partition may comprise a foldable door structure which may be manufactured from a double vinyl coated polyester sheet material. The partition structure may further comprise a support frame consisting of prefabricated steel parabolic arched roof structures and may also include mobile drop down support posts. |
