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Hasler AG
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Hasler AG
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Application filed by Hasler AGfiledCriticalHasler AG
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Publication of FR549731ApublicationCriticalpatent/FR549731A/fr
B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
B61L3/00—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal
B61L3/02—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control
B61L3/04—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling mechanically
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Engineering & Computer Science
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Mechanical Engineering
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FR549731D1922-04-051922-04-05Appareil avertisseur indiquant sur les locomotives des trains les franchissements designaux de voie à l'arrêt
ExpiredFR549731A
(fr)
Dispositif électromagnétique de signalisation, applicable aux convois circulant sur les voies ferrées, destiné à déceler la présence d'anomalies sur la voie