B61F

RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES

RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH

PREVENTING DERAILING OF RAIL VEHICLES

WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES for vehicles in general B60; axles or wheels B60B; vehicle tyres B60C

In this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme.

B61F1/00

Underframes making railway vehicle underframes by forging or pressing B21K7/12

B61F1/02

with a single central sill

B61F1/04

of triangulated type

B61F1/06

specially adapted for locomotives or motor-driven railcars

B61F1/08

Details

B61F1/10

End constructions

B61F1/12

Cross bearers

B61F1/14

Attaching or supporting vehicle body-structure

B61F3/00

Types of bogies B61F5/00 takes precedence

B61F3/02

with more than one axle

B61F3/04

with driven axles or wheels

B61F3/06

with three or more axles

B61F3/08

without driven axles or wheels

B61F3/10

with three or more axles

B61F3/12

specially modified for carrying adjacent vehicle bodies of articulated trains

B61F3/125

with more than one axle or wheel set

B61F3/14

specially modified for reducing air resistance

B61F3/16

with a separate axle for each wheel

B61F5/00

Constructional details of bogies

Connections between bogies and vehicle underframes

Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves

B61F5/02

Arrangements permitting limited transverse relative movements between vehicle underframe or bolster and bogie

Connections between underframes and bogies

B61F5/04

Bolster supports or mountings side bearings B61F5/14

B61F5/06

incorporating metal springs

B61F5/08

incorporating rubber springs

B61F5/10

incorporating fluid springs

B61F5/12

incorporating dampers

B61F5/122

with friction surfaces

B61F5/125

with rubber elements B61F5/08 takes precedence

B61F5/127

with fluid as a damping medium

B61F5/14

Side bearings

B61F5/142

made of rubber elements, graphite or the like

B61F5/144

comprising fluid damping devices B61F5/146 takes precedence

B61F5/146

of the oil bath type; Lubrication devices for side bearings

B61F5/148

between bolsterless bogies and underframes B61F5/142 - B61F5/146 take precedence

B61F5/16

Centre bearings or other swivel connections between underframes and bolsters or bogies

B61F5/18

King-bolts

B61F5/20

with springs allowing transverse movements

B61F5/22

Guiding of the vehicle underframes with respect to the bogies

B61F5/24

Means for damping or minimising the canting, skewing, pitching, or plunging movements of the underframes

B61F5/245

by active damping, i.e. with means to vary the damping characteristics in accordance with track or vehicle induced reactions, especially in high speed mode

B61F5/26

Mounting or securing axle-boxes in vehicle or bogie underframes

B61F5/28

Axle-boxes integral with, or directly secured to, vehicle or bogie underframes

B61F5/30

Axle-boxes mounted for movement under spring control in vehicle or bogie underframes

B61F5/36 takes precedence over B61F5/305 - B61F5/34

B61F5/301

incorporating metal springs

B61F5/302

Leaf springs

B61F5/304

Torsion-bar springs

B61F5/305

incorporating rubber springs

B61F5/307

incorporating fluid springs

B61F5/308

incorporating damping devices

B61F5/32

Guides, e.g. plates, for axle-boxes

B61F5/325

The guiding device including swinging arms or the like to ensure the parallelism of the axles

B61F5/34

Wedge mechanisms for adjusting clearance between underframes and axles

B61F5/36

Arrangements for equalising or adjusting the load on wheels or springs, e.g. yokes

B61F5/38

Arrangements or devices for adjusting or allowing self- adjustment of wheel axles or bogies when rounding curves, e.g. sliding axles, swinging axles

B61F5/383

Adjustment controlled by non-mechanical devices, e.g. scanning trackside elements

B61F5/386

fluid actuated

B61F5/40

Bogies with side frames mounted for longitudinal relative movements

B61F5/42

Adjustment controlled by buffer or coupling gear

B61F5/44

Adjustment controlled by movements of vehicle body

B61F5/46

Adjustment controlled by a sliding axle under the same vehicle underframe

B61F5/48

Trailing or leading bogies for locomotives or motor- driven railcars B61F5/40 takes precedence

B61F5/50

Other details

B61F5/52

Bogie frames

B61F5/523

comprising parts made from fibre-reinforced matrix material

B61F5/526

comprising noise reducing devices

B61F7/00

Rail vehicles equipped for use on tracks of different width

B61F9/00

Rail vehicles characterised by means for preventing derailing, e.g. by use of guide wheels

B61F9/005

by use of non-mechanical means, e.g. acoustic or electromagnetic devices

B61F11/00

Rail vehicles characterised by rail-engaging elements other than wheels, e.g. balls

B61F13/00

Rail vehicles characterised by wheel arrangements, not otherwise provided for

B61F15/00

Axle-boxes mounting or securing axle-boxes B61F5/26; lubrication B61F17/00; bearings in general F16C

B61F15/02

with journal bearings

B61F15/04

for locomotives

B61F15/06

for cars

B61F15/08

the axle being slidable or tiltable in the bearings

B61F15/10

and having springs opposing such movements

B61F15/12

with roller, needle, or ball bearings

B61F15/14

constructed for taking-up axial pressure

B61F15/16

the axle being slidable or tiltable in the bearings

B61F15/18

and having springs opposing such movements

B61F15/20

Details

B61F15/22

Sealing means preventing entrance of dust or leakage of oil

B61F15/24

preventing oil leakage when vehicle is tilted or inverted

B61F15/26

Covers

Sealing thereof

B61F15/28

Axle-boxes modified to ensure electrical conductivity

B61F17/00

Lubrication specially adapted for axle-boxes of rail vehicles lubrication in general F16N

B61F17/02

with oil

B61F17/04

Lubrication by stationary devices

B61F17/06

by means of a wick or the like

B61F17/08

Devices for pressing the wick or the like against the rotating axle

B61F17/10

by means of an oil bath

B61F17/12

by gravity

B61F17/14

Rotating lubricating devices

B61F17/16

with rings

B61F17/18

with chains

B61F17/20

with scoops or the like attached to, or coupled with, the axle

B61F17/22

with discs, rollers, or belts engaging the axle

B61F17/24

by built-in lubricating pumps

B61F17/26

by external feeding means, e.g. pneumatic devices

B61F17/28

Applications of oil cleaners not otherwise provided for

B61F17/30

with grease

B61F17/32

by manually-operated lubricators, e.g. screw cups

B61F17/34

by automatic means, e.g. with spring action

B61F17/36

with other, e.g. mixed, lubricating agents

B61F19/00

Wheel guards

Bumpers

Obstruction removers or the like for vehicles in general B60R19/00

B61F19/02

Wheel guards

B61F19/04

Bumpers or like collision guards

B61F19/06

Nets, catchers, or the like for catching obstacles or removing them from the track mailbag catchers B61K1/02

B61F19/08

of the drop-down type

B61F19/10

automatically operated by engagement with obstacle

B61F99/00

Subject matter not provided for in other groups of this subclass