Building with large hall having mobile floor - has horizontal assembly hall with seats mounted on retractable rails transformed to inclined viewing area

摘要

The mobile floor rotates about a horizontal axis (4) placed at one end and it is made of two units (2,3) articulated between each other. One of the units (2) has retractable rails on which can slide several rows of seats when the floor is horizontal. The horizontal element (2) is supported by the inclined element (3) which in turn is moved by a chain drive or by a jack. There can be three elements for the floor, two of them being inclined, the third horizontal, while the seats can slide forward on rails off the floor elements and under a space left free beneath the stage.