| 摘要 |
<p>A door provided along its free edge with a flat steel bar 22 or bars 3, 4 movable in bearings 9, 10; 11, 12 from an unlocked position to a locked position in which it engages in a slot in the door frame, the bar 22 or bars 3, 4 being movable by a rod 14, 25 by a lock 15 and retained in the locked position by a second lock 18 or by a member 26 provided on the main lock. <IMAGE></p> |
