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
B61L23/00—Control, warning or like safety means along the route or between vehicles or trains
B61L23/22—Control, warning or like safety means along the route or between vehicles or trains for controlling traffic in two directions over the same pair of rails
B61L23/24—Control, warning or like safety means along the route or between vehicles or trains for controlling traffic in two directions over the same pair of rails using token systems, e.g. train staffs, tablets
Mehrfluegeliges Fenster mit um senkrechte Achsen schwenkbaren Seitenfluegeln und aus der gemeinsamen Schliessebene heraus waagerecht verschieb- und ausschwenkbaren Mittelfluegeln
Kartei mit in einem Kasten angeordneten Karten und parallelen Stuetzstangen an zwei Seitenwaenden, auf denen die Karten innerhalb des Kastens in senkrechter Lage haengen