for controlling traffic in two directions over the same pair of rails

Full Title

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

Classification Context

Section:

PERFORMING OPERATIONS; TRANSPORTING

Class:

RAILWAYS

Subclass:

GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC

Child Classifications

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• B61L 23/24 using token systems, e.g. train staffs, tablets
• B61L 23/26 with means for actuating signals from the vehicle or by passage of the vehicle
• B61L 23/28 using non-automatic blocking from a place along the route
• B61L 23/3 using automatic section blocking