| Class Number |
Class Name |
No. of Patents |
| 246/217 |
Audible switch and signal indicators |
3 |
| 246/20 |
Block-signal systems |
10 |
| 246/27 |
Automatic |
3 |
| 246/93 |
Combined fluid pessure and electric |
0 |
| 246/94 |
Cab signal or train control |
0 |
| 246/95 |
Track-circuit control |
0 |
| 246/28R |
Electric |
28 |
| 246/28C |
Ballast leakage |
2 |
| 246/62 |
Cab signal or train control |
18 |
| 246/75 |
Bridged insulated rail joint |
1 |
| 246/73 |
Continuous contact |
2 |
| 246/63R |
Inductive |
40 |
| 246/63C |
Continuous |
18 |
| 246/63A |
Intermittent |
5 |
| 246/74 |
Intermittent contact |
1 |
| 246/72 |
Propulsion-current signaling |
4 |
| 246/76 |
Track trip |
2 |
| 246/64 |
Train-carried current supply |
0 |
| 246/69 |
Intermittent contact |
0 |
| 246/70 |
Rail circuit |
1 |
| 246/71 |
Rail return |
0 |
| 246/65 |
Multiple continuous contacts |
2 |
| 246/66 |
Sectional |
3 |
| 246/67 |
Single continuous contact |
0 |
| 246/68 |
Sectional |
1 |
| 246/28F |
Checking circuits |
18 |
| 246/77 |
Counting in and out |
6 |
| 246/78 |
Ratchet wheel |
1 |
| 246/79 |
Double opposed pawls |
0 |
| 246/80 |
Parallel teeth |
0 |
| 246/41 |
Direct current, normally closed, track circuit |
3 |
| 246/46 |
Line-wire distant control |
0 |
| 246/47 |
Cab signal or train control |
0 |
| 246/48 |
Bridged insulated rail joint |
0 |
| 246/49 |
Intermittent contact |
3 |
| 246/50 |
Current characteristic |
2 |
| 246/52 |
Home and distant |
0 |
| 246/51 |
Overlapped blocks |
0 |
| 246/53 |
Three position |
0 |
| 246/42 |
Propulsion-current return |
1 |
| 246/43 |
Varying |
2 |
| 246/54 |
Single block |
0 |
| 246/55 |
Cab signal or train control |
0 |
| 246/57 |
Bridged insulated rail joint |
1 |
| 246/56 |
Intermittent contact |
1 |
| 246/44 |
Wireless distant control |
3 |
| 246/45 |
Current reversal |
2 |
| 246/58 |
Direct-current, normally open, track circuit |
2 |
| 246/59 |
Cab signal or train control |
3 |
| 246/60 |
Distant-signal control |
0 |
| 246/28E |
Economy use of line wire |
2 |
| 246/28H |
Intermittent light |
0 |
| 246/28G |
Light-out |
1 |
| 246/87 |
Line-current supply |
2 |
| 246/90 |
Car-actuated controller |
1 |
| 246/91 |
Relay |
0 |
| 246/88 |
Intermediate signal |
0 |
| 246/92 |
Intermittent contact |
1 |
| 246/89 |
Short sectional rail closure |
0 |
| 246/31 |
Propulsion-current control |
3 |
| 246/32 |
Current consumption |
0 |
| 246/81 |
Propulsion-current signaling |
1 |
| 246/83 |
Car-actuated controller |
0 |
| 246/84 |
Trolley or plow |
0 |
| 246/85 |
Intermittent contact |
0 |
| 246/82 |
Rotary controller |
0 |
| 246/29R |
Radiant energy |
11 |
| 246/29A |
Electronic gaseous ionization devices |
0 |
| 246/30 |
Hertzian wave |
3 |
| 246/33 |
Single track |
2 |
| 246/61 |
Superimposed propulsion current |
3 |
| 246/86 |
Train-carried current supply |
2 |
| 246/28K |
Transformer |
3 |
| 246/34R |
Varying-current track circuit |
97 |
| 246/34A |
Approach control |
11 |
| 246/34B |
Coded circuits |
33 |
| 246/34CT |
Continuous track |
41 |
| 246/34C |
Insulation breakdown |
4 |
| 246/39 |
Line-wire distant control |
0 |
| 246/35 |
Propulsion-current return |
2 |
| 246/36 |
Double rail |
1 |
| 246/37 |
Impedance bond |
8 |
| 246/34D |
Saturable reactors |
3 |
| 246/40 |
Single block |
8 |
| 246/38 |
Wireless distant control |
0 |
| 246/96 |
Electromechanical |
0 |
| 246/97 |
Cab signal or train control |
0 |
| 246/99 |
Clockwork |
0 |
| 246/98 |
Track-circuit control |
0 |
| 246/100 |
Fluid pressure |
0 |
| 246/101 |
Cab signal or train control |
1 |
| 246/102 |
Mechanical |
0 |
| 246/103 |
Cab signal or train control |
1 |
| 246/104 |
Manual |
0 |
| 246/105 |
Electric |
0 |
| 246/106 |
Lock and block |
2 |
| 246/107 |
Recorders |
6 |
| 246/21 |
Semi-automatic |
0 |
| 246/22 |
Electromanual |
2 |
| 246/23 |
Cab signal or train control |
3 |
| 246/24 |
Circuit controllers |
1 |
| 246/25 |
Lock and block |
6 |
| 246/26 |
Track-circuit control |
6 |
| 246/167R |
Cab signal or train control |
191 |
| 246/177 |
Block entrance initiated |
3 |
| 246/178 |
Electric or magnetic control |
3 |
| 246/179 |
Bridged insulated rail joint |
0 |
| 246/180 |
Cab-circuit controller |
1 |
| 246/181 |
Mechanical actuation |
1 |
| 246/170 |
Derailment |
5 |
| 246/171 |
Contact trips |
2 |
| 246/172 |
Frangible |
6 |
| 246/173 |
Inertia trips |
2 |
| 246/189 |
Engineer's brake-valve actuation |
1 |
| 246/174 |
Highway or station, automatic |
1 |
| 246/175 |
Code signal |
0 |
| 246/167M |
Magnetic rail |
4 |
| 246/183 |
Manual-control systems |
3 |
| 246/186 |
Motive-power control |
7 |
| 246/187R |
Electric |
38 |
| 246/187C |
Control of vehicle from leading vehicle |
54 |
| 246/187B |
Non-mechanical control of vehicles from wayside |
97 |
| 246/187A |
Remote control |
74 |
| 246/188 |
Fluid-pressure-actuated throttle |
0 |
| 246/185 |
Recording devices |
5 |
| 246/184 |
Service stop |
4 |
| 246/182R |
Speed-control systems |
108 |
| 246/182B |
Automatic vehicle-carried braking |
99 |
| 246/182C |
Automatic vehicle-carried speed comparison circuits |
49 |
| 246/182BH |
Humped, unpowered cars |
3 |
| 246/182A |
Track brake speed control |
26 |
| 246/182AB |
Yard-switching, centralized |
3 |
| 246/182AA |
Yard-switching, dispersed |
3 |
| 246/176 |
Switch signals |
4 |
| 246/201 |
Track trips |
6 |
| 246/202 |
Electric or magnetic |
3 |
| 246/206 |
Fixed |
2 |
| 246/205 |
Lateral motion |
1 |
| 246/203R |
Pivoted |
2 |
| 246/203E |
Horizontal pivot, vertical rod, strike rod perpendicular |
0 |
| 246/203C |
Single horizontal pivot on which track trip turns |
1 |
| 246/203D |
Single horizontal pivot; strike rod transverse of track |
0 |
| 246/203A |
Single vertical pivot on which track trip turns |
0 |
| 246/203B |
Single vertical pivot; strike rod transverse of track |
0 |
| 246/207 |
Portable |
3 |
| 246/204 |
Vertical motion |
3 |
| 246/167A |
Train approach warning for work cars |
7 |
| 246/169R |
Train defect |
75 |
| 246/169A |
Hot bearing detectors |
44 |
| 246/169D |
Radiant energy type |
19 |
| 246/169S |
Sound detectors |
10 |
| 246/192R |
Train mechanism |
2 |
| 246/193 |
Electric or magnetic |
7 |
| 246/196 |
Cab-circuit controller |
5 |
| 246/197 |
Magnetically actuated |
7 |
| 246/194 |
Inductive |
21 |
| 246/195 |
Intermittent contact |
1 |
| 246/199 |
Frangible |
1 |
| 246/200R |
Lever actuated |
1 |
| 246/200A |
Lever perpendicular inclined less than 45 degree |
0 |
| 246/200B |
Lever transverse relative to direction of travel |
0 |
| 246/198 |
Single-direction actuation |
0 |
| 246/192A |
Train-carried electric contact mechanism |
1 |
| 246/168 |
Train parting |
4 |
| 246/190 |
Train-pipe-valve structure |
1 |
| 246/167D |
Vehicle-vehicle distance measuring |
17 |
| 246/191 |
Visual cab signals |
6 |
| 246/168.1 |
Wheel slip |
9 |
| 246/208 |
Car-displayed crossing signals |
1 |
| 246/375 |
Continuous-rail crossing |
0 |
| 246/379 |
Movable point |
0 |
| 246/376 |
Overlapped main |
0 |
| 246/377 |
Pivoted rail |
1 |
| 246/378 |
Rotary block |
0 |
| 246/380 |
Sliding rail |
3 |
| 246/381 |
Longitudinal |
0 |
| 246/454 |
Crossings, frogs, and mates |
16 |
| 246/463 |
Bolted |
8 |
| 246/460 |
Central inserts |
11 |
| 246/461 |
Cast bound |
1 |
| 246/465 |
Crossings |
11 |
| 246/467 |
Chairs |
0 |
| 246/466 |
Street and steam |
0 |
| 246/472 |
Details |
20 |
| 246/457 |
Flange-supported wheel |
1 |
| 246/458 |
Frogs |
10 |
| 246/468 |
Frogs |
38 |
| 246/470 |
Clamped |
5 |
| 246/471 |
Composite |
3 |
| 246/469 |
Unbroken main |
3 |
| 246/459 |
Hot filled |
0 |
| 246/455 |
Outer-tread-supported wheel |
3 |
| 246/462 |
Plate or plate bolted |
2 |
| 246/464 |
Solid |
1 |
| 246/456 |
Tread guard rail |
4 |
| 246/118 |
Drawbridge protection |
2 |
| 246/119 |
Cab signal or train control |
2 |
| 246/218 |
Electric actuation |
7 |
| 246/246 |
Car-actuated circuit controllers |
23 |
| 246/249 |
Electric or magnetic |
48 |
| 246/248 |
Retarded action |
0 |
| 246/250 |
Single-direction actuation |
0 |
| 246/252 |
Trolley or plow actuated |
3 |
| 246/251 |
Vertically sprung rail |
0 |
| 246/247 |
Wheel or train counting |
27 |
| 246/245 |
Car-actuated generators |
4 |
| 246/255 |
Car-wheel-completed circuits |
9 |
| 246/219 |
Control circuits |
19 |
| 246/221 |
Motor systems |
9 |
| 246/224 |
Home and distant signals |
1 |
| 246/225 |
Reciprocating armature |
2 |
| 246/236 |
Alternate throw |
0 |
| 246/226 |
Controller-actuated switches |
2 |
| 246/230 |
Alternate throw |
0 |
| 246/227 |
Opposed magnets |
4 |
| 246/228 |
Circuit changers |
0 |
| 246/229 |
Tandem contacts |
0 |
| 246/237 |
Fly-back |
0 |
| 246/238 |
Latch or clutch release |
0 |
| 246/239 |
Switches |
2 |
| 246/231 |
Opposed magnets |
3 |
| 246/232 |
Circuit changers |
1 |
| 246/234 |
Parallel contacts, switches |
1 |
| 246/235 |
Circuit controller |
0 |
| 246/233 |
Tandem contacts, switches |
0 |
| 246/222 |
Return-indication-current generation |
0 |
| 246/240 |
Rotary armature |
1 |
| 246/242R |
Circuit changers |
1 |
| 246/242B |
Dual selector circuit |
0 |
| 246/242C |
Remote lever, local selector |
0 |
| 246/242A |
Overload release |
0 |
| 246/243 |
Fly-back |
0 |
| 246/244 |
Latch or clutch release |
0 |
| 246/241 |
Opposed motors |
0 |
| 246/223 |
Three-position signals |
0 |
| 246/256 |
Relays |
0 |
| 246/253 |
Switch or signal actuated controllers |
16 |
| 246/220 |
Switch signals |
43 |
| 246/254 |
Trolley-completed circuits |
0 |
| 246/125 |
Electric automatic highway signals, mine doors, and gates |
60 |
| 246/126 |
Car-actuated controller |
17 |
| 246/127 |
Gates and doors |
16 |
| 246/130 |
Normally closed track circuit |
6 |
| 246/128 |
Normally open track circuit |
16 |
| 246/129 |
Short sectional rail closure |
1 |
| 246/257 |
Fluid-motor actuation |
14 |
| 246/258 |
Electric control |
16 |
| 246/259 |
Car-controlled switches |
1 |
| 246/261 |
Gates |
5 |
| 246/260 |
Signals |
4 |
| 246/111 |
Grade-crossing track protection |
8 |
| 246/113 |
Automatic |
2 |
| 246/114R |
Electric |
2 |
| 246/115 |
Cab signal or train control |
10 |
| 246/114A |
Cross-over protection |
2 |
| 246/116 |
Fluid pressure |
0 |
| 246/117 |
Cab signal or train control |
2 |
| 246/112 |
Semi-automatic |
0 |
| 246/131 |
Interlocking |
10 |
| 246/160 |
Approach locking |
0 |
| 246/163 |
Derails |
6 |
| 246/159 |
Detached locking, check locking, or key control |
1 |
| 246/132 |
Electric actuation |
1 |
| 246/133 |
Electric locking |
0 |
| 246/135 |
Return-release indication |
0 |
| 246/134 |
Route locking |
7 |
| 246/136 |
Mechanical locking |
0 |
| 246/137 |
Return-release indication |
1 |
| 246/138 |
Locked slide |
0 |
| 246/139 |
Fluid-pressure actuation |
0 |
| 246/140 |
Electrically controlled valve |
0 |
| 246/141 |
Return-release indication |
0 |
| 246/142 |
Return-release indication |
0 |
| 246/143 |
Manual actuation |
0 |
| 246/146 |
Electrical locking |
1 |
| 246/147 |
Mechanical locking |
0 |
| 246/152 |
Compensators |
0 |
| 246/153 |
Counterweight |
0 |
| 246/154 |
Intermittent grip |
0 |
| 246/151 |
Detector bars |
0 |
| 246/148 |
Preliminary |
0 |
| 246/149 |
Tappets |
0 |
| 246/155 |
Rod-saving devices |
0 |
| 246/156 |
Selectors |
0 |
| 246/157 |
Electric |
0 |
| 246/158 |
Switch and lock movements |
1 |
| 246/150 |
Tappets |
0 |
| | Switch stands | |
| 246/144 |
Signal-actuating |
0 |
| 246/145 |
Double lever |
0 |
| 246/161 |
Retarded-release mechanism |
0 |
| 246/162 |
Switch or signal indicators |
10 |
| 246/489 |
Manual actuation |
7 |
| 246/262 |
Mechanical-motor actuation |
3 |
| 246/263 |
Electric control |
3 |
| 246/1R |
Miscellaneous |
30 |
| 246/1C |
Signals and indicators |
42 |
| 246/209 |
Passengers' station signals |
1 |
| 246/166 |
Pilot or signal cars |
6 |
| 246/264 |
Point throwers |
1 |
| 246/265 |
Magnetic |
2 |
| 246/266 |
Modifier switch |
0 |
| 246/267 |
Directing-grooves |
0 |
| 246/269 |
Sliding shoe |
0 |
| 246/268 |
Wedging wheel |
0 |
| 246/DIG.1 |
Radiant energy devices |
3 |
| 246/120 |
Roadway-defect protection |
17 |
| 246/121 |
Electric |
38 |
| 246/374 |
Safety sidings |
1 |
| 246/166.1 |
Signalling between occupants of a train |
9 |
| 246/473R |
Signals |
25 |
| 246/486 |
Bridge warnings |
1 |
| 246/475 |
Dwarf or pot |
0 |
| 246/478 |
Enclosed |
0 |
| 246/473.1 |
Highway crossing |
33 |
| 246/473.2 |
Wigwag type |
3 |
| 246/473.3 |
Light beam projecting |
18 |
| 246/477 |
Roadway, visual, and portable |
15 |
| 246/479 |
Semaphore |
2 |
| 246/482 |
Arms |
0 |
| 246/483 |
Illuminated |
0 |
| 246/481 |
Home and distant |
0 |
| 246/484 |
Lamp and spectacles |
2 |
| 246/485 |
Post mechanism |
1 |
| 246/480 |
Upper quadrant |
0 |
| 246/476 |
Switch or switch stand |
24 |
| 246/487 |
Torpedoes |
0 |
| 246/473A |
Toy rail signals |
7 |
| 246/474 |
Track reflectors |
3 |
| 246/488 |
Trainmens' kits |
5 |
| 246/164 |
Slotting and control |
0 |
| 246/165 |
Electric |
0 |
| 246/19 |
Staff and tablet systems |
0 |
| 246/393 |
Switch stands |
21 |
| 246/404 |
Adjustable throw |
2 |
| 246/394 |
Cab signal or train control |
1 |
| 246/406 |
Gear actuated |
10 |
| 246/401 |
Rail lock and position indication |
10 |
| 246/402 |
Transverse rotary locking shaft |
0 |
| 246/395 |
Resetting |
0 |
| 246/399 |
Detention devices |
0 |
| 246/397 |
Hand restrained |
0 |
| 246/400 |
Key retaining |
0 |
| 246/396 |
Latch release, automatic |
1 |
| 246/398 |
Vehicle restrained |
0 |
| 246/405 |
Spiral-cam actuated |
1 |
| 246/407 |
Structural types |
5 |
| 246/408 |
Depressed mechanism |
0 |
| 246/409 |
High semaphore stands |
0 |
| 246/412 |
Horizontal lever |
1 |
| 246/413 |
Drop arm |
1 |
| 246/414 |
Automatic key-lock |
1 |
| 246/410 |
Vertical lever |
7 |
| 246/411 |
Ground stands |
3 |
| 246/403 |
Three and multiple throw |
0 |
| 246/382 |
Switch-connected frogs |
14 |
| 246/388 |
Center-pivoted rail |
3 |
| 246/387 |
End-pivoted rail |
3 |
| 246/383 |
Overlapped main |
2 |
| 246/384 |
Double rail |
0 |
| 246/389 |
Swinging rail |
6 |
| 246/390 |
Opposed swing |
0 |
| 246/391 |
Wing |
8 |
| 246/385 |
Swinging tongue |
9 |
| 246/386 |
Stub end |
0 |
| 246/392 |
Transversely sliding rail |
8 |
| 246/415R |
Switches |
53 |
| 246/453 |
Chairs and plates |
25 |
| 246/419 |
Conduit, third rail or trolley |
19 |
| 246/452 |
Connecting rods |
22 |
| 246/423 |
Facing, rerailing |
0 |
| 246/424 |
Facing, selective |
1 |
| 246/426 |
Modified wheel |
0 |
| 246/425 |
Side draft |
0 |
| 246/434 |
Flexible rail |
11 |
| 246/417 |
Frog obviating |
1 |
| 246/418 |
Single ral |
2 |
| 246/448 |
Lock |
33 |
| 246/420 |
Nonderailing, trailing |
2 |
| 246/422 |
Moving guard rail |
1 |
| 246/421 |
Risers |
0 |
| 246/431 |
Oscillating, longitudinal axis |
10 |
| 246/429 |
Overlap |
2 |
| 246/435R |
Point |
23 |
| 246/435A |
Guard |
4 |
| 246/438 |
Point and mate |
3 |
| 246/436 |
Recessed rail |
5 |
| 246/437 |
Renewable and reenforced |
3 |
| 246/439 |
Tandem |
1 |
| 246/440 |
Three throw |
0 |
| 246/442 |
Tongue |
10 |
| 246/443 |
Bed lock |
8 |
| 246/444 |
Self-cleaning |
3 |
| 246/441 |
Tread guard rail |
2 |
| 246/432 |
Risers |
3 |
| 246/430 |
Sliding |
19 |
| 246/416 |
Slip |
0 |
| 246/428 |
Snow protected |
29 |
| 246/427 |
Stationary turnout |
4 |
| 246/445 |
Stub |
2 |
| 246/447 |
Anti-creep or jar |
1 |
| 246/446 |
Double rail |
1 |
| 246/449 |
Tie bars |
13 |
| 246/450 |
Adjustable |
11 |
| 246/451 |
Eccentric |
1 |
| 246/415A |
Toy |
26 |
| 246/433 |
Vertical motion |
4 |
| 246/DIG.2 |
Thermal sensing devices |
8 |
| 246/108 |
Time indication, automatic |
2 |
| 246/109 |
Flow retarded |
0 |
| 246/110 |
Time limit expired |
1 |
| 246/210 |
Torpedo mechanism |
0 |
| 246/215 |
Car attached |
0 |
| 246/211 |
Electric |
0 |
| 246/216 |
Hand placing devices |
1 |
| 246/212 |
Magazine |
0 |
| 246/214 |
Rotary |
1 |
| 246/213 |
Vertical |
1 |
| 246/2R |
Train dispatching |
24 |
| 246/3 |
Central signal control |
40 |
| 246/4 |
Cab signal or train control |
28 |
| 246/5 |
Selective |
53 |
| 246/2F |
Frequency |
3 |
| 246/2E |
Orientation |
1 |
| 246/2S |
Spacing |
2 |
| 246/14 |
Station, block, or train-order signals |
7 |
| 246/18 |
Double semaphore |
0 |
| 246/17 |
Rotary, vertical axis |
0 |
| 246/15 |
Safety systems |
4 |
| 246/16 |
Holders |
1 |
| 246/7 |
Train telegraphy or telephony |
6 |
| 246/9 |
Continuous contacts |
1 |
| 246/12 |
Instruments in series |
0 |
| 246/10 |
Traction rail return |
1 |
| 246/11 |
Multiple contact |
0 |
| 246/13 |
Emergency signal stations |
1 |
| 246/8 |
Inductive |
11 |
| 246/6 |
Train-order cab signal or train control |
16 |
| 246/122R |
Train-position indication |
187 |
| 246/123 |
Automatic time recording |
0 |
| 246/122A |
Miniature model |
23 |
| 246/124 |
Train annunciators or indicators |
21 |
| 246/270R |
Vehicle-energy actuation |
6 |
| 246/270A |
Automatic switch actuation from or by vehicle |
2 |
| 246/277 |
Automatic turnouts |
0 |
| 246/273 |
Continuous-rail crossings |
0 |
| 246/275 |
Continuous-rail frogs |
4 |
| 246/276 |
Spring rail |
13 |
| 246/271 |
Fluid transmission |
3 |
| 246/272 |
Gates |
3 |
| 246/292 |
Signals and gates, automatic |
19 |
| 246/293 |
Highway crossing |
25 |
| 246/295 |
Audible |
4 |
| 246/296 |
Bells, single stroke |
2 |
| 246/294 |
Visual and audible |
12 |
| 246/297 |
Track mechanism |
4 |
| 246/299 |
Latch or clutch release |
0 |
| 246/300 |
Electric |
0 |
| 246/301 |
Longitudinal motion |
0 |
| 246/302 |
Vertical motion |
0 |
| 246/311 |
Longitudinal motion |
0 |
| 246/312 |
Rectilinear |
0 |
| 246/303 |
Longitudinal spiral cam |
0 |
| 246/310 |
Parallel swing |
0 |
| 246/298 |
Single direction |
0 |
| 246/304 |
Vehicle-restrained gates and doors |
1 |
| 246/306 |
Longitudinal motion |
0 |
| 246/305 |
Parallel swing |
0 |
| 246/307 |
Vertical motion |
1 |
| 246/308 |
Swinging |
0 |
| 246/309 |
Yielding rail |
0 |
| 246/313 |
Vertical motion |
1 |
| 246/358 |
Switch locks, automatic |
3 |
| | Switch stands, automatic | |
| 246/278 |
Facing setting |
0 |
| 246/279 |
Manual control |
0 |
| 246/280 |
Resetting |
0 |
| 246/281 |
Vehicle restrained |
1 |
| 246/282 |
Trailing setting |
0 |
| 246/283 |
Yielding rail |
0 |
| 246/290 |
Trailing fly-back |
0 |
| 246/291 |
Spring actuated |
1 |
| 246/284 |
Trailing setting |
1 |
| 246/285 |
Yielding rail |
0 |
| 246/288 |
Counterweight |
0 |
| 246/289 |
Frangible |
0 |
| 246/286 |
Spring-clutch |
0 |
| 246/287 |
Coaxial spring |
0 |
| 246/274 |
Switch-connected frogs |
4 |
| 246/314 |
Switches, automatic |
2 |
| 246/317 |
Facing setting |
0 |
| 246/315 |
Resetting, vehicle restrained |
0 |
| 246/322 |
Track mechanism |
1 |
| 246/327 |
Alternate throw |
1 |
| 246/328 |
Tappet wheel |
0 |
| 246/335 |
Bow spring |
0 |
| 246/332 |
Cable and pulley connection |
0 |
| 246/326 |
Electric control |
2 |
| 246/324 |
Latch or clutch release |
0 |
| 246/325 |
Electric control |
0 |
| 246/336 |
Longitudinal motion |
0 |
| 246/341 |
Horizontal swing |
0 |
| 246/342 |
Double acting |
0 |
| 246/343 |
Double |
1 |
| 246/339 |
Perpendicular swing |
0 |
| 246/340 |
Double |
0 |
| 246/338 |
Track-mechanism depression |
1 |
| 246/337 |
Train-trip elevation |
0 |
| 246/333 |
Longitudinal sprial cam |
0 |
| 246/334 |
Rack and pinion |
0 |
| 246/331 |
Rotary longitudinal connecting shaft |
0 |
| 246/323 |
Selective |
1 |
| 246/329 |
Three and multiple throw |
0 |
| 246/330 |
Traffic protected |
0 |
| 246/344 |
Transverse motion |
2 |
| 246/350 |
Double acting |
0 |
| 246/345 |
Duplex lever |
0 |
| 246/346 |
Swinging |
0 |
| 246/347 |
Double acting |
0 |
| 246/348 |
Guiding tail |
1 |
| 246/349 |
Double |
0 |
| 246/351 |
Vertical motion |
1 |
| 246/356 |
Double |
0 |
| 246/357 |
Transverse lever connection |
0 |
| 246/352 |
Duplex lever |
0 |
| 246/353 |
Swinging |
0 |
| 246/354 |
Double acting |
0 |
| 246/355 |
Double |
0 |
| 246/319 |
Trailing fly-back |
0 |
| 246/320R |
Spiral spring |
1 |
| 246/320A |
Dash pot |
0 |
| 246/321 |
Tie or connecting rod |
0 |
| 246/318 |
Trailing setting |
1 |
| 246/316 |
Wheel resetting |
0 |
| 246/359 |
Train trips |
0 |
| 246/360 |
Electric or magnetic |
0 |
| 246/361 |
Fluid pressure |
1 |
| 246/363 |
Hooks |
0 |
| 246/371 |
Lateral motion |
0 |
| 246/373 |
Rod |
0 |
| 246/372 |
Wheel |
0 |
| 246/365 |
Pivoted |
0 |
| 246/367 |
Rod |
0 |
| 246/366 |
Wheel |
0 |
| 246/364 |
Racks or friction bars |
0 |
| 246/362 |
Resilient |
0 |
| 246/368 |
Vertical motion |
0 |
| 246/370 |
Rod |
1 |
| 246/369 |
Wheel |
1 |
