68594 ⎘
Local operating mechanisms for points or track-mounted scotch-blocks ; Visible or audible signals; Local operating mechanisms for visible or audible signals; Electric devices for operating points or scotch-blocks, e.g. using electromotive driving means Wiring diagrams
Non-national standard turnout drive system based on double 2-vote-2 architecture
#2Railroad switch circuit controller assembly
#3METHOD AND ARRANGEMENT FOR FAULT DETECTION IN A SWITCH SYSTEM
#4Railroad switch machine
#5Supplemental emergency power source for railroad track switch systems