Cooperative Patent Classification


Version: 2017.08
CPC
COOPERATIVE PATENT CLASSIFICATION
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) [2015-05]
B61F 1/00
Underframes (making railway vehicle underframes by forging or pressing B21K 7/12) [2013-01]
B61F 1/02
.
with a single central sill [2013-01]
B61F 1/04
.
of triangulated type [2013-01]
B61F 1/06
.
specially adapted for locomotives or motor-driven railcars [2013-01]
B61F 1/08
.
Details [2013-01]
B61F 1/10
. .
End constructions [2013-01]
B61F 1/12
. .
Cross bearers [2013-01]
B61F 1/14
. .
Attaching or supporting vehicle body-structure [2013-01]
B61F 3/00
Types of bogies (B61F 5/00 takes precedence) [2013-01]
B61F 3/02
.
with more than one axle [2013-01]
B61F 3/04
. .
with driven axles or wheels [2013-01]
B61F 3/06
. . .
with three or more axles [2013-01]
B61F 3/08
. .
without driven axles or wheels [2013-01]
B61F 3/10
. . .
with three or more axles [2013-01]
B61F 3/12
.
specially modified for carrying adjacent vehicle bodies of articulated trains [2013-01]
B61F 3/125
. .
{with more than one axle or wheel set} [2013-01]
B61F 3/14
.
specially modified for reducing air resistance [2013-01]
B61F 3/16
.
with a separate axle for each wheel [2013-01]
B61F 5/00
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 [2013-01]
B61F 5/02
.
Arrangements permitting limited transverse relative movements between vehicle underframe or bolster and bogie; Connections between underframes and bogies [2013-01]
B61F 5/04
. .
Bolster supports or mountings (side bearings B61F 5/14) [2013-01]
B61F 5/06
. . .
incorporating metal springs [2013-01]
B61F 5/08
. . .
incorporating rubber springs [2013-01]
B61F 5/10
. . .
incorporating fluid springs [2013-01]
B61F 5/12
. . .
incorporating dampers [2013-01]
B61F 5/122
. . . .
{with friction surfaces} [2013-01]
B61F 5/125
. . . .
{with rubber elements (B61F 5/08 takes precedence)} [2013-01]
B61F 5/127
. . . .
{with fluid as a damping medium} [2013-01]
B61F 5/14
. .
Side bearings [2013-01]
B61F 5/142
. . .
{made of rubber elements, graphite or the like} [2013-01]
B61F 5/144
. . .
{comprising fluid damping devices (B61F 5/146 takes precedence)} [2013-01]
B61F 5/146
. . .
{of the oil bath type; Lubrication devices for side bearings} [2013-01]
B61F 5/148
. . .
{between bolsterless bogies and underframes (B61F 5/142 - B61F 5/146 take precedence)} [2013-01]
B61F 5/16
. .
Centre bearings or other swivel connections between underframes and bolsters or bogies [2013-01]
B61F 5/18
. . .
King-bolts [2013-01]
B61F 5/20
. . .
with springs allowing transverse movements [2013-01]
B61F 5/22
. .
Guiding of the vehicle underframes with respect to the bogies [2013-01]
B61F 5/24
. . .
Means for damping or minimising the canting, skewing, pitching, or plunging movements of the underframes [2013-01]
B61F 5/245
. . . .
{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} [2013-01]
B61F 5/26
.
Mounting or securing axle-boxes in vehicle or bogie underframes [2013-01]
B61F 5/28
. .
Axle-boxes integral with, or directly secured to, vehicle or bogie underframes [2013-01]
B61F 5/30
. .
Axle-boxes mounted for movement under spring control in vehicle or bogie underframes {(B61F 5/36 takes precedence over B61F 5/305 - B61F 5/34)} [2013-01]
B61F 5/301
. . .
{incorporating metal springs} [2013-01]
B61F 5/302
. . . .
{Leaf springs} [2013-01]
B61F 5/304
. . . .
{Torsion-bar springs} [2013-01]
B61F 5/305
. . .
{incorporating rubber springs} [2013-01]
B61F 5/307
. . .
{incorporating fluid springs} [2013-01]
B61F 5/308
. . .
{incorporating damping devices} [2013-01]
B61F 5/32
. . .
Guides, e.g. plates, for axle-boxes [2013-01]
B61F 5/325
. . . .
{The guiding device including swinging arms or the like to ensure the parallelism of the axles} [2013-01]
B61F 5/34
. . . .
Wedge mechanisms for adjusting clearance between underframes and axles [2013-01]
B61F 5/36
. . .
Arrangements for equalising or adjusting the load on wheels or springs, e.g. yokes [2013-01]
B61F 5/38
.
Arrangements or devices for adjusting or allowing self- adjustment of wheel axles or bogies when rounding curves, e.g. sliding axles, swinging axles [2013-01]
B61F 5/383
. .
{Adjustment controlled by non-mechanical devices, e.g. scanning trackside elements} [2013-01]
B61F 5/386
. .
{fluid actuated} [2013-01]
B61F 5/40
. .
Bogies with side frames mounted for longitudinal relative movements [2013-01]
B61F 5/42
. .
Adjustment controlled by buffer or coupling gear [2013-01]
B61F 5/44
. .
Adjustment controlled by movements of vehicle body [2013-01]
B61F 5/46
. .
Adjustment controlled by a sliding axle under the same vehicle underframe [2013-01]
B61F 5/48
. .
Trailing or leading bogies for locomotives or motor- driven railcars (B61F 5/40 takes precedence) [2013-01]
B61F 5/50
.
Other details [2013-01]
B61F 5/52
. .
Bogie frames [2013-01]
B61F 5/523
. . .
{comprising parts made from fibre-reinforced matrix material} [2013-01]
B61F 5/526
. . .
{comprising noise reducing devices} [2013-01]
B61F 7/00
Rail vehicles equipped for use on tracks of different width [2013-01]
B61F 9/00
Rail vehicles characterised by means for preventing derailing, e.g. by use of guide wheels [2013-01]
B61F 9/005
.
{by use of non-mechanical means, e.g. acoustic or electromagnetic devices} [2013-01]
B61F 11/00
Rail vehicles characterised by rail-engaging elements other than wheels, e.g. balls [2013-01]
B61F 13/00
Rail vehicles characterised by wheel arrangements, not otherwise provided for [2013-01]
B61F 15/00
Axle-boxes (mounting or securing axle-boxes B61F 5/26; lubrication B61F 17/00; bearings in general F16C) [2013-01]
B61F 15/02
.
with journal bearings [2013-01]
B61F 15/04
. .
for locomotives [2013-01]
B61F 15/06
. .
for cars [2013-01]
B61F 15/08
. .
the axle being slidable or tiltable in the bearings [2013-01]
B61F 15/10
. . .
and having springs opposing such movements [2013-01]
B61F 15/12
.
with roller, needle, or ball bearings [2013-01]
B61F 15/14
. .
constructed for taking-up axial pressure [2013-01]
B61F 15/16
. .
the axle being slidable or tiltable in the bearings [2013-01]
B61F 15/18
. . .
and having springs opposing such movements [2013-01]
B61F 15/20
.
Details [2013-01]
B61F 15/22
. .
Sealing means preventing entrance of dust or leakage of oil [2013-01]
B61F 15/24
. . .
preventing oil leakage when vehicle is tilted or inverted [2013-01]
B61F 15/26
. .
Covers; Sealing thereof [2013-01]
B61F 15/28
. .
Axle-boxes modified to ensure electrical conductivity [2013-01]
B61F 17/00
Lubrication specially adapted for axle-boxes of rail vehicles (lubrication in general F16N) [2013-01]
B61F 17/02
.
with oil [2013-01]
B61F 17/04
. .
Lubrication by stationary devices [2013-01]
B61F 17/06
. . .
by means of a wick or the like [2013-01]
B61F 17/08
. . . .
Devices for pressing the wick or the like against the rotating axle [2013-01]
B61F 17/10
. . .
by means of an oil bath [2013-01]
B61F 17/12
. . .
by gravity [2013-01]
B61F 17/14
. .
Rotating lubricating devices [2013-01]
B61F 17/16
. . .
with rings [2013-01]
B61F 17/18
. . .
with chains [2013-01]
B61F 17/20
. . .
with scoops or the like attached to, or coupled with, the axle [2013-01]
B61F 17/22
. . .
with discs, rollers, or belts engaging the axle [2013-01]
B61F 17/24
. .
by built-in lubricating pumps [2013-01]
B61F 17/26
. .
by external feeding means, e.g. pneumatic devices [2013-01]
B61F 17/28
. .
Applications of oil cleaners not otherwise provided for [2013-01]
B61F 17/30
.
with grease [2013-01]
B61F 17/32
. .
by manually-operated lubricators, e.g. screw cups [2013-01]
B61F 17/34
. .
by automatic means, e.g. with spring action [2013-01]
B61F 17/36
.
with other, e.g. mixed, lubricating agents [2013-01]
B61F 19/00
Wheel guards; Bumpers; Obstruction removers or the like (for vehicles in general B60R 19/00) [2013-01]
B61F 19/02
.
Wheel guards [2013-01]
B61F 19/04
.
Bumpers or like collision guards [2013-01]
B61F 19/06
.
Nets, catchers, or the like for catching obstacles or removing them from the track (mailbag catchers B61K 1/02) [2013-01]
B61F 19/08
. .
of the drop-down type [2013-01]
B61F 19/10
. . .
automatically operated by engagement with obstacle [2013-01]
B61F 99/00
Subject matter not provided for in other groups of this subclass [2013-01]