Patent ID: 7568570

Claim:
People mover ( 2 ) comprising: an endless tread belt ( 6 ) formed from several tread elements ( 4 ) connected to one another, which is driven by a drive unit about a first and second reversal point ( 22 ); a side skirt ( 24 ) moved concurrently with the tread belt ( 6 ), the side skirt ( 24 ) on the tread elements ( 4 ) comprising flange elements ( 28 ) joined to the tread belt and bridge elements ( 30 ) connected movably relative to the flange elements ( 28 ); a sensor ( 38 ) which is arranged adjacent to the side skirt ( 24 ), the sensor ( 38 ) having a limited detection range perpendicular to a circulating direction of the side skirt ( 24 ); and a plurality of marking elements ( 34 ) arranged in a line on the flange elements ( 28 ) and the bridge elements ( 30 ) along the circulating direction and having a limited width perpendicular to the circulating direction.