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
B61F3/04—Types of bogies with more than one axle with driven axles or wheels
B61F3/06—Types of bogies with more than one axle with driven axles or wheels with three or more axles
Guidage d'essieux montes pour bogies, a grande vitesse de deplacement, de vehicules ferroviaires et procede pour equiper des bogies de ce guidage d'essieux montes.