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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
B61F19/08—Nets, catchers, or the like for catching obstacles or removing them from the track of the drop-down type
B61F19/10—Nets, catchers, or the like for catching obstacles or removing them from the track of the drop-down type automatically operated by engagement with obstacle
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FR653581D1927-09-301928-04-28Dispositif automatique de protection pour tramways
ExpiredFR653581A
(fr)