Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Electric Propulsion And Braking For Vehicles
(AREA)
Selbsttaetige Einrichtung zum Wiedereinschalten eines infolge einer Stoerung geoeffneten Schalters mittels eines in der Offenstellung des Schalters erregten Zeitrelais
Durch Tasten- und Funktionsschalter betaetigte Relaissteuerung einer kombinierten Wagenaufzugs- und Zeilenschaltvorrichtung fuer Schreib- und aehnliche Maschinen