| 摘要 |
<P>PROBLEM TO BE SOLVED: To constitute a rotary door device, without limiting an installation place, while preventing nipping. <P>SOLUTION: This rotary door device 1 comprises a cylindrical wall body 2 being the skeleton side forming doorway parts 2c and 2d opposed in the radial direction, a ceiling panel body 4 rotatably supported by an upper part in the cylindrical wall body 2, a main partition body 3 partitioning the inside of the cylindrical wall body 2 in the diametrical direction, having an upper end part integrally fixed to the ceiling panel body 4 and opening-closing the doorway parts 2c and 2d in response to integral rotation with the ceiling panel body 4, and a circular arc-shaped sub-partition body 7 positioned in an end part on the outer diameter side of the main partition body 3 and closing the doorway parts by preceding to the main partition body 3 by integral rotation with the ceiling panel body 4, and is constituted so that the sub-partition body 7 is integrated into the ceiling panel body 4 via a holding means 9 having predetermined holding power, and integration with the ceiling panel body 4 is released by a load exceeding the predetermine holding power, and the main partition body 3 and the sub-partition body 7 relatively rotate. <P>COPYRIGHT: (C)2008,JPO&INPIT |
