| 摘要 |
PURPOSE:To make many visitors exit from facilities, which have many gate passages formed of many device main bodies, in case of emergency without any confusion. CONSTITUTION:A device main body 2 is provided with casters 6 for movement and a pin 7 for fixation which projects downward from a guide hole 21 bored in the bottom plate ans is supported vertically slidably, and a pin hole 11 into which the pin 7 is inserted so that it can be extracted is formed on the floor surface 1 where the mam body 2 is installed. While the facilities are in normal service, the pin 7 is inserted into the pin hole 11 to fix the device main body 2 at the specific position and form many gate passages, and the passages of entering and exiting persons is restricted through a gate arm 5. If an emergence case occurs in the facilities, many device main bodies 2 are gathered to one side by extracting pins 7 from pin holes 11 and utilizing casters 6 to form one large passage. Consequently, many visitors can be made to exit from the facilities through the large passage without any confusion. |
