| 摘要 |
The present invention provides a multi-layered door device for an elevator comprising; a movement guide part which is installed on a wall and forms different height levels and forms multiple moving routes which are in parallel; a door part which is located on an opening formed on the wall and has multiple doors which are arranged to be slid and folded and overlapped with a multi-stage along each moving route; and a driving part which slides and moves the multiple doors. |
