Patent ID: 7124875

Claim:
An escalator with a high speed inclined section comprising: a plurality of steps, each step having a tread for carrying a passenger, a step link roller shaft, and a step link roller rotatable around the step link roller shaft, the steps being connected together for endless circulating movement of the steps; a main track for guiding movement of the step link rollers in the endless circulating movement of the steps; a plurality of link mechanisms, each link mechanism having a first link with a first end portion rotatably connected to the step link roller shaft of one of the steps, and a second link, a first end portion of which is rotatably connected to a middle portion of the first link and a second end portion of which is rotatably connected to the step link roller shaft of an adjacent step, each link mechanism including no more links than the first link and the second link; a plurality of rotatable auxiliary rollers, each rotatable auxiliary roller being located at a second end of a respective first link; and an auxiliary track for guiding movement of the auxiliary rollers in the endless circulating movement of the steps, wherein the main track is disposed between the treads and the auxiliary track throughout all of the endless circulating movement of the steps.