B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
B61F3/00—Types of bogies
B61F3/02—Types of bogies with more than one axle
B61F3/08—Types of bogies with more than one axle without driven axles or wheels
Anordnung von je zwei auf gemeinsamer Achse laufenden Gleiskettenstuetzrollen bei Abstuetzung der Rollenachse durch geneigte Halbblattfedern und senkrechter Rollenachsfuehrung