| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To obtain a door device restraining a foreign object from being pulled into a space between an entrance/exit frame edge and a door upon opening of the door, for example, even when the foreign object exists on a surface of the door. <P>SOLUTION: The door device comprises the entrance/exit frame 3 marking out side walls of an entrance/exit 2, and a door 4 provided at a predetermined interval from the entrance/exit frame edge 3 in the depth direction to open/close the entrance/exit 2 by moving in the width direction. The door 4 comprises a hanger 9 provided on an upper side of the entrance/exit 2 to be movable in the width direction, a pair of freely rotatable rollers 10 vertically hanging from the hanger 9, and an endless rotating body 11 which is wound around the pair of rollers 10 and rotates as the rollers 10 rotate. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
