| 摘要 |
The door comprises a door leaf which is driven manually or with a self-contained driving unit (1), through the lateral guides, such that the door leaf is shifted from a closed position into an open position or vice versa. The door's movement is achieved with the self-contained driving unit. The driving unit is comprised of tight side (58) and slack side (6), each composed of several different elements. The driving unit is comprised of several tooth-shaped driving side elements. The slack side of the driving unit is formed of a flat material. |
