| 摘要 |
The device has a linear motor (2) to apply a pushing force to a door (1) for moving the door, and a locking device (3) to effect a locking and an unlocking operation of the door. A control device (4) commands the linear motor to push the door in open or in closed direction, if the locking device is in the locked state for a fixed duration even after commanding the locking device to effect the unlocking operation. |
