A treadmill with at least one endless belt provided with a plurality of tread lamellae and guided around two deflection pulleys which are arranged one behind the other with parallel axes, the deflection pulleys being smooth in the area where they are in contact with the belt and at least one belt being...http://www.google.co.uk/patents/US6348025?utm_source=gb-gplus-sharePatent US6348025 - Moving walkway device
