A monorail bogie for supporting a monorail car travelling over a monorail track. The monorail bogie comprises a load-bearing wheel having an axis of rotation that is parallel to the running surface. The monorail bogie further comprises an inboard pair of guide wheels and an outboard pair of guide wheels....http://www.google.de/patents/US7823512?utm_source=gb-gplus-sharePatent US7823512 - Monorail bogie having improved roll behavior
