Patent ID: 6988608

Claim:
A drive system for escalators and pedestrian conveyors having a plurality of steps and pallets respectively, the drive system comprising: at least one driving chain including links and joints connecting the links, the driving chain having a chain pitch such that there are no more than two links per step or pallet, the driving chain being connectable to the plurality of steps or pallets via bolts, the bolts being positioned between two joints and provided with a roller; a plurality of interspaced reversing elements having recesses and a number of teeth that correspond to the chain pitch, wherein each roller is guided in a region of associated recesses of the respective reversing element with at least partial pressure relief; and a relief means for the rollers, the relief means being placed before one of the reversing elements and having the shape of a curve element which is approximately formed corresponding to a contour of a transition area of the escalator or the pedestrian conveyor, wherein the curve element cooperates with a link chain, which can be revolved, and which is provided with spaced supporting elements for relieving the driving chain.