IPC 7 English version B61F-B61F 19/10

B61F-B61F01910

SECTION B – PERFORMING OPERATIONS; TRANSPORTING

B 61

RAILWAYS

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 B60; axles, wheels B60B; vehicle tyres B60C)

Subclass Index

FRAMES, RUNNING GEAR

Underframes, bogies, connections therebetween

B61F 1/00, B61F 3/00, B61F 5/00

For different gauges

B61F 7/00

For preventing derailment

B61F 9/00

Track-engaging means other than wheels

B61F 11/00

WHEEL ARRANGEMENTS

B61F 13/00

AXLE-BOXES; FORM, MOUNTING; LUBRICATION THEREOF

B61F 15/00; B61F 5/00; B61F 17/00

WHEEL GUARDS, BUMPERS, OBSTRUCTION REMOVERS

B61F 19/00

Underframes (making railway vehicle underframes by forging or pressing B21K 7/12)

with a single central sill

of triangulated type

specially adapted for locomotives or motor-driven railcars

Details

End constructions

Cross bearers

Attaching or supporting vehicle body structure

Types of bogies (B61F 5/00 takes precedence)

with more than one axle

with driven axles or wheels

with three or more axles

without driven axles or wheels

with three or more axles

specially modified for carrying adjacent vehicle bodies of articulated trains

specially modified for reducing air resistance

with a separate axle for each wheel

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

Arrangements permitting limited transverse relative movements between vehicle underframe or bolster and bogie; Connections between underframes and bogies

Bolster supports or mountings (side bearings B61F 5/14)

incorporating metal springs

incorporating rubber springs

incorporating fluid springs

incorporating dampers

Side bearings

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

King-bolts

with springs allowing transverse movements

Guiding of the vehicle underframes with respect to the bogies

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

Mounting or securing axle-boxes in vehicle or bogie underframes

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

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

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

Wedge mechanisms for adjusting clearance between underframes and axles

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

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

Bogies with side frames mounted for longitudinal relative movements

Adjustment controlled by buffer or coupling gear

Adjustment controlled by movements of vehicle body

Adjustment controlled by a sliding axle under the same vehicle underframe

Trailing or leading bogies for locomotives or motor-driven railcars (B61F 5/40 takes precedence) [2]

Other details

Bogie frames

Rail vehicles equipped for use on tracks of different width

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

11/

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

13/

Rail vehicles characterised by wheel arrangements, not otherwise provided for

15/

Axle-boxes (mounting or securing axle-boxes B61F 5/26; lubrication B61F 17/00; bearings in general F16C)

15/

with journal bearings

15/

for locomotives

15/

for cars

15/

the axle being slidable or tiltable in the bearings

15/

and having springs opposing such movements

15/

with roller, needle, or ball bearings

15/

constructed for taking-up axial pressure

15/

the axle being slidable or tiltable in the bearings

15/

and having springs opposing such movements

15/

Details

15/

Sealing means preventing entrance of dust or leakage of oil

15/

preventing oil leakage when vehicle is tilted or inverted

15/

Covers; Sealing thereof

15/

Axle-boxes modified to ensure electrical conductivity

17/

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

17/

with oil

17/

Lubrication by stationary devices

17/

by means of a wick or the like

17/

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

17/

by means of an oil bath

17/

by gravity

17/

Rotating lubricating devices

17/

with rings

17/

with chains

17/

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

17/

with discs, rollers, or belts engaging the axle

17/

by built-in lubricating pumps

17/

by external feeding means, e.g. pneumatic devices

17/

Applications of oil cleaners not otherwise provided for

17/

with grease

17/

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

17/

by automatic means, e.g. with spring action

17/

with other, e.g. mixed, lubricating agents

19/

Wheel guards; Bumpers; Obstruction removers or the like (for vehicles in general B60R 19/00)

19/

Wheel guards

19/

Bumpers or like collision guards

19/

Nets, catchers, or the like for catching obstacles or removing them from the track (mailbag catchers B61K 1/02)

19/

of the drop-down type

19/

automatically operated by engagement with obstacle