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Publication of FR666263ApublicationCriticalpatent/FR666263A/fr
B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
B60L5/00—Current collectors for power supply lines of electrically-propelled vehicles
B60L5/04—Current collectors for power supply lines of electrically-propelled vehicles using rollers or sliding shoes in contact with trolley wire
B60L5/12—Structural features of poles or their bases
B60L5/14—Devices for automatic lowering of a jumped-off collector
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Engineering & Computer Science
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Power Engineering
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Transportation
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Mechanical Engineering
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FR666263D1928-12-211928-12-21Perfectionnements apportés aux voitures motrices des chemins de fer électriques
ExpiredFR666263A
(fr)