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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
B61F19/00—Wheel guards; Bumpers; Obstruction removers or the like
B61F19/06—Nets, catchers, or the like for catching obstacles or removing them from the track
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FR539155D1921-08-031921-08-03Dispositif automatique pour éviter l'écrasement des piétons, applicable à tous véhicules
ExpiredFR539155A
(fr)