| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a door structure of a room for refuse enabling a room used as a refuge space to be daily used, making it hard for an invader to notice the presence of a door, and reducing the possibility of attempt to intrude in the room. <P>SOLUTION: This door structure comprises a door frame installed at an entrance in a wall surface partitioning a first room from a second room and the door openably fitted to the door frame. The door frame is formed so as not to provide a step with the wall surface and is subject to the same exterior as that on the wall surface. The door comprises a door pull only on the indoor side, an inergizing member energizing the door in the closing direction installed on the indoor side. Further, the door is formed to have no step with the wall surface in the closed state, the same exterior as that on the wall surface is applied to the door. A lock device without a key hole on the outdoor side is installed between the door frame and the door. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
