| 摘要 |
A sliding door apparatus for closing and opening in a wall. The sliding door apparatus includes a sliding door having top and bottom edges, a door frame, a carriage secured to the top edge of the door and a drive mechanism for opening and closing movement of the door. The drive mechanism preferably includes a bi-directional effector, a power-storing power source and a controller configured to enable the door to be continuously closed but not locked when a continuously-closed signal is received by the controller.
|
