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| SECTION B PERFORMING OPERATIONS; TRANSPORTING |
| B 61 | RAILWAYS |
| Note |
| In this class, the following expression is used with the meaning indicated: |
| | "railway systems" covers: |
| (a) | systems in which trains or individual passenger vehicles or load carriers run on, or are guided by, ground or elevated tracks defined by rails, ropes, cables, or other guiding elements for wheels, rollers, or sliding anti-friction devices (permanently attached to a continuous traction element B 65 G 17/00); |
| (b) | systems in which carriers or impellers for persons or loads are attached to, e.g. suspended from, a guided traction rope or cable which determines their path of movement (chain conveyers, scraper conveyers B 65 G 17/00, B 65 G 19/00); |
| (c) | power and free systems of either of the above types in which vehicles, load-carriers, or loads may be selectively coupled to, or uncoupled from, continuous traction members, e.g. cables, chains. |
| B 61 B | RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR (lifts or hoists, elevators, escalators, moving walkways B 66 B) |
| B 61 C | LOCOMOTIVES; MOTOR RAILCARS (vehicles in general B 60; frames or bogies B 61 F; special railroad equipment for locomotives B 61 J, B 61 K) |
| B 61 D | BODY DETAILS OR KINDS OF RAILWAY VEHICLES (vehicles in general B 60; adaptation of vehicles to special systems B 61 B; underframes B 61 F) |
| B 61 F | RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES, ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING; WHEELS GUARDS; OBSTRUCTION REMOVERS OR THE LIKE (for vehicles in general B 60; axles, wheels B 60 B; vehicle tyres B 60 C) |
| B 61 G | COUPLINGS; DRAUGHT OR BUFFING APPLIANCES (vehicle connections in general B 60 D) |
| B 61 H | BRAKES OR OTHER RETARDING APPARATUS PECULIAR TO RAIL VEHICLES; ARRANGEMENTS OR DIS-POSITIONS OF BRAKES OR OTHER RETARDING APPARATUS IN RAIL VEHICLES (electrodynamic braking of vehicles B 60 L, in general H 02 K; arrangements in rail vehicles for adjusting wheel-braking force to meet varying vehicular or permanent-way conditions B 60 T 8/00; transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive, brake systems incorporating such transmitting means, e.g. air-pressure brake systems, B 60 T 13/00; construction, arrangement, or operation of valves incorporated in power brake systems B 60 T 15/00; component parts, details, or accessories of brake systems B 60 T 17/00; brakes in general F 16 D) |
| B 61 J | SHIFTING OR SHUNTING OF RAIL VEHICLES (shifting vehicles in general B 60 S; marshalling systems B 61 B) |
| B 61 K | OTHER AUXILIARY EQUIPMENT FOR RAILWAYS (energy-storing brakes B 61 H; protection of permanent way against weather influences E 01 B; rail cleaning, snow ploughs E 01 H) |
| B 61 L | GUIDING RAILWAY TRAFFIC: ENSURING THE SAFETY OF RAILWAY TRAFFIC (power supply lines for electricallypropelled vehicles B 60 M; vehicle signalling in general B 60 Q; brakes or auxiliary equipment B 61 H, B 61 K; point or crossing construction E 01 B; insulated rail joints E 01 B 11/54; optical devices in general G 02; controlling in general G 05; electric communication technique H 04) |