| 摘要 |
The invention relates to a closable passage through a wall or a floor (1), adapted to be passed by a conveyor system (10), comprising a conveyor track (2), as well as conveyor elements, such as conveyor receptacles, movable along this conveyor tranck (12), wherein the wall or the floor is provided with a passage opening, which is closable by a closing panel (4), which may be reciprocated between a closed position and a release position, while a conveyor track portion (2) is displaceable between two positions and extends in one of these positions throught the passage opening released by the closing panel (4). According to the invention the displaceable conveyor track portion (2) is fixedly connected to the closing panel (4) and upon displacement of the closing panel (4) to the release position arrives in its position, wherein this conveyor track portion (2) extends through the passage opening. |
