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Publication of NL51806CpublicationCriticalpatent/NL51806C/xx
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
B61F17/00—Lubrication specially adapted for axle-boxes of rail vehicles
B61F17/02—Lubrication specially adapted for axle-boxes of rail vehicles with oil
B61F17/26—Lubrication specially adapted for axle-boxes of rail vehicles with oil by external feeding means, e.g. pneumatic devices