| 摘要 |
<P>PROBLEM TO BE SOLVED: To enable a differential pressure between the inside and the outside of a room to be eliminated by simple operation. <P>SOLUTION: A space part 3 for communication between the inside A and the outside B of a room is formed in a partition member (e.g., a door for accessing) 2 for partitioning the inside A and the outside B. An inside opening 4A of the partition member 2 is configured to be openable and closable by an inside lid member 5A; an outside opening 4B of the partition member 2 is configured to be openable and closable by an outside lid member 5B; and the inside lid member 5A and the outside lid member 5B are configured such that the two members interlock with each other via a connection member 7. By a simple operation for pushing the inside lid member 5A as shown by an arrow F1, the outside lid member 5B also moves and both the openings 4A, 4B are opened as shown in Figures 1(b) and 1(c), thus eliminating a differential pressure between the inside and the outside of the room. <P>COPYRIGHT: (C)2012,JPO&INPIT |
