A transporting apparatus such as an escalator or a moving walkway may include a truss. A first support angle may be disposed at a first end of the truss, and a second support angle may be disposed at a second end of the truss. The first support angle may be fitted on a building via a fixed bearing. The first support angle may have a hole, and a first fixing element fastened on the building may pass through the hole. The second support angle may be fitted on the building via a floating bearing. The second support angle may have a slot, and a second fixing element fastened on the building may pass through the slot.