Motor driven fireproof sliding door, has heat shield extending parallel to and located in front of runner rail

摘要

A shield part extending parallel to the runner rail (5) in the upper section of the door frame (3) is mounted at a given height distance above the top edge of the door leaf (2-1, 2-2, 2-3). The shield part extends over at least one third of the width of the door leaf and has a first side facing the drive device (4). At least one upright part is mounted on the top edge of the door leaf and this part has a raised flank facing the first side of the shield part.