| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a locking device capable of preventing a locking piece from coming off in the event of fire. <P>SOLUTION: A locking device includes a locking piece 2 made of a fire resisting metal and movable between a locking position and an unlocking position and a fire preventive part 3 for fixing the locking piece 2 at the locking position, and the fire preventive part 3 operates under high temperature only in the event of fire. <P>COPYRIGHT: (C)2012,JPO&INPIT</p> |
