| Subclass |
| Title |
|---|
|
ClassTitle
|
| ===>
RAILWAY SWITCHES AND SIGNALS
|
| | | |
| 1R | ![[Patents]](../gifs/ps.gif) | MISCELLANEOUS |
| 1C | | . Signals and indicators |
| 2R | | TRAIN DISPATCHING |
| 3 | | . Central signal control |
| 4 | | . . Cab signal or train control |
| 5 | | . . Selective |
| 6 | | . Train-order cab signal or train control |
| 7 | | . Train telegraphy or telephony |
| 8 | | . . Inductive |
| 9 | | . . Continuous contacts |
| 10 | | . . . Traction rail return |
| 11 | | . . . . Multiple contact |
| 12 | | . . . Instruments in series |
| 13 | | . . Emergency signal stations |
| 14 | | . Station, block, or train-order signals |
| 15 | | . . Safety systems |
| 16 | | . . . Holders |
| 17 | | . . Rotary, vertical axis |
| 18 | | . . Double semaphore |
| 2E | | . Orientation |
| 2F | | . Frequency |
| 2S | | . Spacing |
| 19 | | STAFF AND TABLET SYSTEMS |
| 20 | | BLOCK-SIGNAL SYSTEMS |
| 21 | | . Semi-automatic |
| 22 | | . . Electromanual |
| 23 | | . . . Cab signal or train control |
| 24 | | . . . Circuit controllers |
| 25 | | . . . Lock and block |
| 26 | | . . . . Track-circuit control |
| 27 | | . Automatic |
| 28R | | . . Electric |
| 29R | | . . . Radiant energy |
| 30 | | . . . . Hertzian wave |
| 29A | | . . . . Electronic gaseous ionization devices |
| 31 | | . . . Propulsion-current control |
| 32 | | . . . . Current consumption |
| 33 | | . . . Single track |
| 34R | | . . . Varying-current track circuit |
| 35 | | . . . . Propulsion-current return |
| 36 | | . . . . . Double rail |
| 37 | | . . . . . . Impedance bond |
| 38 | | . . . . Wireless distant control |
| 39 | | . . . . Line-wire distant control |
| 40 | | . . . . Single block |
| 34A | | . . . . Approach control |
| 34B | | . . . . Coded circuits |
| 34C | | . . . . Insulation breakdown |
| 34D | | . . . . Saturable reactors |
| 34CT | | . . . . Continuous track |
| 41 | | . . . Direct current, normally closed, track circuit |
| 42 | | . . . . Propulsion-current return |
| 43 | | . . . . . Varying |
| 44 | | . . . . Wireless distant control |
| 45 | | . . . . . Current reversal |
| 46 | | . . . . Line-wire distant control |
| 47 | | . . . . . Cab signal or train control |
| 48 | | . . . . . . Bridged insulated rail joint |
| 49 | | . . . . . . Intermittent contact |
| 50 | | . . . . . Current characteristic |
| 51 | | . . . . . Overlapped blocks |
| 52 | | . . . . . Home and distant |
| 53 | | . . . . . Three position |
| 54 | | . . . . Single block |
| 55 | | . . . . . Cab signal or train control |
| 56 | | . . . . . . Intermittent contact |
| 57 | | . . . . . . Bridged insulated rail joint |
| 58 | | . . . Direct-current, normally open, track circuit |
| 59 | | . . . . Cab signal or train control |
| 60 | | . . . . Distant-signal control |
| 61 | | . . . Superimposed propulsion current |
| 62 | | . . . Cab signal or train control |
| 63R | | . . . . Inductive |
| 63C | | . . . . . Continuous |
| 63A | | . . . . . Intermittent |
| 64 | | . . . . Train-carried current supply |
| 65 | | . . . . . Multiple continuous contacts |
| 66 | | . . . . . . Sectional |
| 67 | | . . . . . Single continuous contact |
| 68 | | . . . . . . Sectional |
| 69 | | . . . . . Intermittent contact |
| 70 | | . . . . . . Rail circuit |
| 71 | | . . . . . . Rail return |
| 72 | | . . . . Propulsion-current signaling |
| 73 | | . . . . Continuous contact |
| 74 | | . . . . Intermittent contact |
| 75 | | . . . . Bridged insulated rail joint |
| 76 | | . . . . Track trip |
| 77 | | . . . Counting in and out |
| 78 | | . . . . Ratchet wheel |
| 79 | | . . . . . Double opposed pawls |
| 80 | | . . . . . . Parallel teeth |
| 81 | | . . . Propulsion-current signaling |
| 82 | | . . . . Rotary controller |
| 83 | | . . . . Car-actuated controller |
| 84 | | . . . . . Trolley or plow |
| 85 | | . . . . Intermittent contact |
| 86 | | . . . Train-carried current supply |
| 87 | | . . . Line-current supply |
| 88 | | . . . . Intermediate signal |
| 89 | | . . . . Short sectional rail closure |
| 90 | | . . . . Car-actuated controller |
| 91 | | . . . . . Relay |
| 92 | | . . . . Intermittent contact |
| 28C | | . . . Ballast leakage |
| 28E | | . . . Economy use of line wire |
| 28F | | . . . Checking circuits |
| 28G | | . . . Light-out |
| 28H | | . . . Intermittent light |
| 28K | | . . . Transformer |
| 93 | | . . Combined fluid pessure and electric |
| 94 | | . . . Cab signal or train control |
| 95 | | . . . Track-circuit control |
| 96 | | . . Electromechanical |
| 97 | | . . . Cab signal or train control |
| 98 | | . . . Track-circuit control |
| 99 | | . . . Clockwork |
| 100 | | . . Fluid pressure |
| 101 | | . . . Cab signal or train control |
| 102 | | . . Mechanical |
| 103 | | . . . Cab signal or train control |
| 104 | | . Manual |
| 105 | | . . Electric |
| 106 | | . . . Lock and block |
| 107 | | . Recorders |
| 108 | | TIME INDICATION, AUTOMATIC |
| 109 | | . Flow retarded |
| 110 | | . Time limit expired |
| 111 | | GRADE-CROSSING TRACK PROTECTION |
| 112 | | . Semi-automatic |
| 113 | | . Automatic |
| 114R | | . . Electric |
| 115 | | . . . Cab signal or train control |
| 114A | | . . . Cross-over protection |
| 116 | | . . Fluid pressure |
| 117 | | . Cab signal or train control |
| 118 | | DRAWBRIDGE PROTECTION |
| 119 | | . Cab signal or train control |
| 120 | | ROADWAY-DEFECT PROTECTION |
| 121 | | . Electric |
| 122R | | TRAIN-POSITION INDICATION |
| 123 | | . Automatic time recording |
| 124 | | . Train annunciators or indicators |
| 122A | | . Miniature model |
| 125 | | ELECTRIC AUTOMATIC HIGHWAY SIGNALS, MINE DOORS, AND GATES |
| 126 | | . Car-actuated controller |
| 127 | | . . Gates and doors |
| 128 | | . Normally open track circuit |
| 129 | | . . Short sectional rail closure |
| 130 | | . Normally closed track circuit |
| 131 | | INTERLOCKING |
| 132 | | . Electric actuation |
| 133 | | . . Electric locking |
| 134 | | . . . Route locking |
| 135 | | . . . Return-release indication |
| 136 | | . . Mechanical locking |
| 137 | | . . . Return-release indication |
| 138 | | . . . . Locked slide |
| 139 | | . Fluid-pressure actuation |
| 140 | | . . Electrically controlled valve |
| 141 | | . . . Return-release indication |
| 142 | | . . Return-release indication |
| 143 | | . Manual actuation |
| | | . . Switch stands |
| 144 | | . . . Signal-actuating |
| 145 | | . . . . Double lever |
| 146 | | . . Electrical locking |
| 147 | | . . Mechanical locking |
| 148 | | . . . Preliminary |
| 149 | | . . . . Tappets |
| 150 | | . . . Tappets |
| 151 | | . . . Detector bars |
| 152 | | . . . Compensators |
| 153 | | . . . . Counterweight |
| 154 | | . . . . . Intermittent grip |
| 155 | | . . . Rod-saving devices |
| 156 | | . . . . Selectors |
| 157 | | . . . . . Electric |
| 158 | | . . . . Switch and lock movements |
| 159 | | . Detached locking, check locking, or key control |
| 160 | | . Approach locking |
| 161 | | . Retarded-release mechanism |
| 162 | | . Switch or signal indicators |
| 163 | | . Derails |
| 164 | | SLOTTING AND CONTROL |
| 165 | | . Electric |
| 166 | | PILOT OR SIGNAL CARS |
| 166.1 | | SIGNALLING BETWEEN OCCUPANTS OF A TRAIN |
| 167R | | CAB SIGNAL OR TRAIN CONTROL |
| 168 | | . Train parting |
| 168.1 | | . Wheel slip |
| 169R | | . Train defect |
| 169A | | . . Hot bearing detectors |
| 169D | | . . Radiant energy type |
| 169S | | . . Sound detectors |
| 170 | | . Derailment |
| 171 | | . . Contact trips |
| 172 | | . . . Frangible |
| 173 | | . . Inertia trips |
| 174 | | . Highway or station, automatic |
| 175 | | . . Code signal |
| 176 | | . Switch signals |
| 177 | | . Block entrance initiated |
| 178 | | . . Electric or magnetic control |
| 179 | | . . . Bridged insulated rail joint |
| 180 | | . . . Cab-circuit controller |
| 181 | | . . . Mechanical actuation |
| 182R | | . Speed-control systems |
| 182A | | . . Track brake speed control |
| 182B | | . . Automatic vehicle-carried braking |
| 182BH | | . . Humped, unpowered cars |
| 182C | | . . Automatic vehicle-carried speed comparison circuits |
| 182AA | | . . Yard-switching, dispersed |
| 182AB | | . . Yard-switching, centralized |
| 183 | | . Manual-control systems |
| 184 | | . Service stop |
| 185 | | . Recording devices |
| 186 | | . Motive-power control |
| 187R | | . . Electric |
| 187A | | . . . Remote control |
| 187B | | . . . Non-mechanical control of vehicles from wayside |
| 187C | | . . . Control of vehicle from leading vehicle |
| 188 | | . . Fluid-pressure-actuated throttle |
| 189 | | . Engineer's brake-valve actuation |
| 190 | | . Train-pipe-valve structure |
| 191 | | . Visual cab signals |
| 192R | | . Train mechanism |
| 193 | | . . Electric or magnetic |
| 194 | | . . . Inductive |
| 195 | | . . . Intermittent contact |
| 196 | | . . . Cab-circuit controller |
| 197 | | . . . . Magnetically actuated |
| 198 | | . . Single-direction actuation |
| 199 | | . . Frangible |
| 200R | | . . Lever actuated |
| 200A | | . . . Lever perpendicular inclined less than 45 degree |
| 200B | | . . . Lever transverse relative to direction of travel |
| 192A | | . . Train-carried electric contact mechanism |
| 201 | | . Track trips |
| 202 | | . . Electric or magnetic |
| 203R | | . . Pivoted |
| 203A | | . . . Single vertical pivot on which track trip turns |
| 203B | | . . . Single vertical pivot; strike rod transverse of track |
| 203C | | . . . Single horizontal pivot on which track trip turns |
| 203D | | . . . Single horizontal pivot; strike rod transverse of track |
| 203E | | . . . Horizontal pivot, vertical rod, strike rod perpendicular |
| 204 | | . . Vertical motion |
| 205 | | . . Lateral motion |
| 206 | | . . Fixed |
| 207 | | . . Portable |
| 167A | | . Train approach warning for work cars |
| 167M | | . Magnetic rail |
| 167D | | . Vehicle-vehicle distance measuring |
| 208 | | CAR-DISPLAYED CROSSING SIGNALS |
| 209 | | PASSENGERS' STATION SIGNALS |
| 210 | | TORPEDO MECHANISM |
| 211 | | . Electric |
| 212 | | . Magazine |
| 213 | | . . Vertical |
| 214 | | . . Rotary |
| 215 | | . Car attached |
| 216 | | . Hand placing devices |
| 217 | | AUDIBLE SWITCH AND SIGNAL INDICATORS |
| 218 | | ELECTRIC ACTUATION |
| 219 | | . Control circuits |
| 220 | | . Switch signals |
| 221 | | . Motor systems |
| 222 | | . . Return-indication-current generation |
| 223 | | . . Three-position signals |
| 224 | | . . Home and distant signals |
| 225 | | . . Reciprocating armature |
| 226 | | . . . Controller-actuated switches |
| 227 | | . . . . Opposed magnets |
| 228 | | . . . . . Circuit changers |
| 229 | | . . . . . Tandem contacts |
| 230 | | . . . . Alternate throw |
| 231 | | . . . Opposed magnets |
| 232 | | . . . . Circuit changers |
| 233 | | . . . . Tandem contacts, switches |
| 234 | | . . . . Parallel contacts, switches |
| 235 | | . . . . . Circuit controller |
| 236 | | . . . Alternate throw |
| 237 | | . . . Fly-back |
| 238 | | . . . . Latch or clutch release |
| 239 | | . . . . Switches |
| 240 | | . . Rotary armature |
| 241 | | . . . Opposed motors |
| 242R | | . . . Circuit changers |
| 242A | | . . . . Overload release |
| 242B | | . . . . Dual selector circuit |
| 242C | | . . . . . Remote lever, local selector |
| 243 | | . . . Fly-back |
| 244 | | . . . . Latch or clutch release |
| 245 | | . Car-actuated generators |
| 246 | | . Car-actuated circuit controllers |
| 247 | | . . Wheel or train counting |
| 248 | | . . Retarded action |
| 249 | | . . Electric or magnetic |
| 250 | | . . Single-direction actuation |
| 251 | | . . Vertically sprung rail |
| 252 | | . . Trolley or plow actuated |
| 253 | | . Switch or signal actuated controllers |
| 254 | | . Trolley-completed circuits |
| 255 | | . Car-wheel-completed circuits |
| 256 | | . Relays |
| 257 | | FLUID-MOTOR ACTUATION |
| 258 | | . Electric control |
| 259 | | . . Car-controlled switches |
| 260 | | . Signals |
| 261 | | . Gates |
| 262 | | MECHANICAL-MOTOR ACTUATION |
| 263 | | . Electric control |
| 264 | | POINT THROWERS |
| 265 | | . Magnetic |
| 266 | | . Modifier switch |
| 267 | | . . Directing-grooves |
| 268 | | . Wedging wheel |
| 269 | | . Sliding shoe |
| 270R | | VEHICLE-ENERGY ACTUATION |
| 271 | | . Fluid transmission |
| 272 | | . . Gates |
| 273 | | . Continuous-rail crossings |
| 274 | | . Switch-connected frogs |
| 275 | | . Continuous-rail frogs |
| 276 | | . . Spring rail |
| 277 | | . Automatic turnouts |
| | | . Switch stands, automatic |
| 278 | | . . Facing setting |
| 279 | | . . . Manual control |
| 280 | | . . . Resetting |
| 281 | | . . . . Vehicle restrained |
| 282 | | . . . Trailing setting |
| 283 | | . . . . Yielding rail |
| 284 | | . . Trailing setting |
| 285 | | . . . Yielding rail |
| 286 | | . . . . Spring-clutch |
| 287 | | . . . . . Coaxial spring |
| 288 | | . . . . Counterweight |
| 289 | | . . . . Frangible |
| 290 | | . . Trailing fly-back |
| 291 | | . . . Spring actuated |
| 292 | | . Signals and gates, automatic |
| 293 | | . . Highway crossing |
| 294 | | . . . Visual and audible |
| 295 | | . . . Audible |
| 296 | | . . . . Bells, single stroke |
| 297 | | . . Track mechanism |
| 298 | | . . . Single direction |
| 299 | | . . . Latch or clutch release |
| 300 | | . . . . Electric |
| 301 | | . . . . Longitudinal motion |
| 302 | | . . . . Vertical motion |
| 303 | | . . . Longitudinal spiral cam |
| 304 | | . . . Vehicle-restrained gates and doors |
| 305 | | . . . . Parallel swing |
| 306 | | . . . . Longitudinal motion |
| 307 | | . . . . Vertical motion |
| 308 | | . . . . . Swinging |
| 309 | | . . . . . . Yielding rail |
| 310 | | . . . Parallel swing |
| 311 | | . . . Longitudinal motion |
| 312 | | . . . . Rectilinear |
| 313 | | . . . Vertical motion |
| 314 | | . Switches, automatic |
| 315 | | . . Resetting, vehicle restrained |
| 316 | | . . Wheel resetting |
| 317 | | . . Facing setting |
| 318 | | . . Trailing setting |
| 319 | | . . Trailing fly-back |
| 320R | | . . . Spiral spring |
| 321 | | . . . . Tie or connecting rod |
| 320A | | . . . . Dash pot |
| 322 | | . . Track mechanism |
| 323 | | . . . Selective |
| 324 | | . . . Latch or clutch release |
| 325 | | . . . . Electric control |
| 326 | | . . . Electric control |
| 327 | | . . . Alternate throw |
| 328 | | . . . . Tappet wheel |
| 329 | | . . . Three and multiple throw |
| 330 | | . . . Traffic protected |
| 331 | | . . . Rotary longitudinal connecting shaft |
| 332 | | . . . Cable and pulley connection |
| 333 | | . . . Longitudinal sprial cam |
| 334 | | . . . Rack and pinion |
| 335 | | . . . Bow spring |
| 336 | | . . . Longitudinal motion |
| 337 | | . . . . Train-trip elevation |
| 338 | | . . . . Track-mechanism depression |
| 339 | | . . . . Perpendicular swing |
| 340 | | . . . . . Double |
| 341 | | . . . . Horizontal swing |
| 342 | | . . . . . Double acting |
| 343 | | . . . . . Double |
| 344 | | . . . Transverse motion |
| 345 | | . . . . Duplex lever |
| 346 | | . . . . Swinging |
| 347 | | . . . . . Double acting |
| 348 | | . . . . . . Guiding tail |
| 349 | | . . . . . Double |
| 350 | | . . . . Double acting |
| 351 | | . . . . Vertical motion |
| 352 | | . . . . . Duplex lever |
| 353 | | . . . . . Swinging |
| 354 | | . . . . . . Double acting |
| 355 | | . . . . . . Double |
| 356 | | . . . . . Double |
| 357 | | . . . . . . Transverse lever connection |
| 358 | | . Switch locks, automatic |
| 359 | | . Train trips |
| 360 | | . . Electric or magnetic |
| 361 | | . . Fluid pressure |
| 362 | | . . Resilient |
| 363 | | . . Hooks |
| 364 | | . . Racks or friction bars |
| 365 | | . . Pivoted |
| 366 | | . . . Wheel |
| 367 | | . . . Rod |
| 368 | | . . Vertical motion |
| 369 | | . . . Wheel |
| 370 | | . . . Rod |
| 371 | | . . Lateral motion |
| 372 | | . . . Wheel |
| 373 | | . . . Rod |
| 270A | | . Automatic switch actuation from or by vehicle |
| 374 | | SAFETY SIDINGS |
| 375 | | CONTINUOUS-RAIL CROSSING |
| 376 | | . Overlapped main |
| 377 | | . Pivoted rail |
| 378 | | . Rotary block |
| 379 | | . Movable point |
| 380 | | . Sliding rail |
| 381 | | . . Longitudinal |
| 382 | | SWITCH-CONNECTED FROGS |
| 383 | | . Overlapped main |
| 384 | | . . Double rail |
| 385 | | . Swinging tongue |
| 386 | | . . Stub end |
| 387 | | . End-pivoted rail |
| 388 | | . Center-pivoted rail |
| 389 | | . Swinging rail |
| 390 | | . . Opposed swing |
| 391 | | . . Wing |
| 392 | | . Transversely sliding rail |
| 393 | | SWITCH STANDS |
| 394 | | . Cab signal or train control |
| 395 | | . Resetting |
| 396 | | . . Latch release, automatic |
| 397 | | . . Hand restrained |
| 398 | | . . Vehicle restrained |
| 399 | | . . Detention devices |
| 400 | | . . Key retaining |
| 401 | | . Rail lock and position indication |
| 402 | | . . Transverse rotary locking shaft |
| 403 | | . Three and multiple throw |
| 404 | | . Adjustable throw |
| 405 | | . Spiral-cam actuated |
| 406 | | . Gear actuated |
| 407 | | . Structural types |
| 408 | | . . Depressed mechanism |
| 409 | | . . High semaphore stands |
| 410 | | . . Vertical lever |
| 411 | | . . . Ground stands |
| 412 | | . . Horizontal lever |
| 413 | | . . . Drop arm |
| 414 | | . . . . Automatic key-lock |
| 415R | | SWITCHES |
| 416 | | . Slip |
| 417 | | . Frog obviating |
| 418 | | . . Single ral |
| 419 | | . Conduit, third rail or trolley |
| 420 | | . Nonderailing, trailing |
| 421 | | . . Risers |
| 422 | | . . Moving guard rail |
| 423 | | . Facing, rerailing |
| 424 | | . Facing, selective |
| 425 | | . . Side draft |
| 426 | | . . Modified wheel |
| 427 | | . Stationary turnout |
| 428 | | . Snow protected |
| 429 | | . Overlap |
| 430 | | . Sliding |
| 431 | | . Oscillating, longitudinal axis |
| 432 | | . Risers |
| 433 | | . Vertical motion |
| 434 | | . Flexible rail |
| 435R | | . Point |
| 436 | | . . Recessed rail |
| 437 | | . . Renewable and reenforced |
| 438 | | . . Point and mate |
| 439 | | . . Tandem |
| 440 | | . . Three throw |
| 441 | | . . Tread guard rail |
| 442 | | . . Tongue |
| 443 | | . . . Bed lock |
| 444 | | . . . Self-cleaning |
| 435A | | . . Guard |
| 445 | | . Stub |
| 446 | | . . Double rail |
| 447 | | . . Anti-creep or jar |
| 448 | | . Lock |
| 449 | | . Tie bars |
| 450 | | . . Adjustable |
| 451 | | . . . Eccentric |
| 452 | | . Connecting rods |
| 453 | | . Chairs and plates |
| 415A | | . Toy |
| 454 | | CROSSINGS, FROGS, AND MATES |
| 455 | | . Outer-tread-supported wheel |
| 456 | | . Tread guard rail |
| 457 | | . Flange-supported wheel |
| 458 | | . . Frogs |
| 459 | | . Hot filled |
| 460 | | . Central inserts |
| 461 | | . . Cast bound |
| 462 | | . Plate or plate bolted |
| 463 | | . Bolted |
| 464 | | . Solid |
| 465 | | . Crossings |
| 466 | | . . Street and steam |
| 467 | | . . Chairs |
| 468 | | . Frogs |
| 469 | | . . Unbroken main |
| 470 | | . . Clamped |
| 471 | | . . Composite |
| 472 | | . Details |
| 473R | | SIGNALS |
| 473.1 | | . Highway crossing |
| 473.2 | | . . Wigwag type |
| 473.3 | | . Light beam projecting |
| 474 | | . Track reflectors |
| 475 | | . Dwarf or pot |
| 476 | | . Switch or switch stand |
| 477 | | . Roadway, visual, and portable |
| 478 | | . Enclosed |
| 479 | | . Semaphore |
| 480 | | . . Upper quadrant |
| 481 | | . . Home and distant |
| 482 | | . . Arms |
| 483 | | . . . Illuminated |
| 484 | | . . Lamp and spectacles |
| 485 | | . . Post mechanism |
| 486 | | . Bridge warnings |
| 487 | | . Torpedoes |
| 488 | | . Trainmens' kits |
| 473A | | . Toy rail signals |
| 489 | | MANUAL ACTUATION |
| | | ****************************** |
| | | DIGESTS |
| | | ****************************** |
| DIG 1 | | Radiant energy devices |
| DIG 2 | | Thermal sensing devices |
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