68784 ⎘
Safety means for rail/road crossing traffic; Operation of gates; Combined operation of gates and signals Means for securing gates in their desired position
DEVICE AND METHOD FOR RESPONDING TO LOSS-OF-BRAKE ON A RAILROAD CROSSING GATE MECHANISM
#2AUTOMATED COUNTERBALANCE SYSTEM AND METHOD FOR DETERMINING COUNTERBALANCE AND ADJUSTING COUNTERWEIGHTS OF A CROSSING GATE
#3Tamperproof gate mechanism
#4Smart cam for digitalization of a gate mechanism
#5User configurable horizontal brake feature for railroad crossing gates