Patent ID: 7665594

Claim:
A passenger conveyor comprising: a plurality of steps; step rollers provided to the plurality of steps; a step chain connected to each of the plurality of steps and moving to circulate between two gates; forward-path-side guide rails and return-path-side guide rails provided along a traveling path of the step chain in an intermediate portion of a truss and guiding the step rollers; and an intermediate driving device installed between the steps moving along the forward-path-side guide rails on a forward path side and the steps moving along the return-path-side guide rails on a return path side and configured to transmit a driving force to the step chain, wherein a step-attitude changing zone for changing an attitude of each step on the return path side is formed on a traveling path of the steps on the return path side, wherein the step attitude changing zone is formed in a manner that, among the return-path-side guide rails, part of the return-path-side guide rails for guiding rear wheels of the step rollers is arranged in a position lower than the position of the other part thereof in a normal zone, which is a zone on the return path side other than the step-attitude changing zone.