Skip over navigation
Outline
Indent Level
Color Curly Brackets (indicating CPC extensions to IPC) References Date Revised
Search Symbol
CPC
COOPERATIVE PATENT CLASSIFICATION
Collapse
RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES, ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING; WHEEL GUARDS; OBSTRUCTION REMOVERS, OR THE LIKE (for vehicles in general B60; axles, wheels B60B; tyres B60C) [2013‑01]
Collapse
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]
Collapse
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]
Collapse
Types of bogies (B61F 5/00 takes precedence) [2013‑01]
Collapse
B61F 3/02
.
with more than one axle [2013‑01]
Collapse
B61F 3/04
. .
with driven axles or wheels [2013‑01]
B61F 3/06
. . .
with three or more axles [2013‑01]
Collapse
B61F 3/08
. .
without driven axles or wheels [2013‑01]
B61F 3/10
. . .
with three or more axles [2013‑01]
Collapse
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]
Collapse
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]
Collapse
B61F 5/02
.
Arrangements permitting limited transverse relative movements between vehicle underframe or bolster and bogie; Connections between underframes and bogies [2013‑01]
Collapse
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]
Collapse
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]
Collapse
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]
Collapse
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]
Collapse
B61F 5/22
. .
Guiding of the vehicle underframes with respect to the bogies [2013‑01]
Collapse
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]
Collapse
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]
Collapse
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]
Collapse
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]
Collapse
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]
Collapse
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]
Collapse
B61F 5/50
.
Other details [2013‑01]
Collapse
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]
Rail vehicles equipped for use on tracks of different width [2013‑01]
Collapse
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]
Rail vehicles characterised by rail-engaging elements other than wheels, e.g. balls [2013‑01]
Rail vehicles characterised by wheel arrangements, not otherwise provided for [2013‑01]
Collapse
Axle-boxes (mounting or securing axle-boxes B61F 5/26; lubrication B61F 17/00; bearings in general F16C) [2013‑01]
Collapse
B61F 15/02
.
with journal bearings [2013‑01]
B61F 15/04
. .
for locomotives [2013‑01]
B61F 15/06
. .
for cars [2013‑01]
Collapse
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]
Collapse
B61F 15/12
.
with roller, needle, or ball bearings [2013‑01]
B61F 15/14
. .
constructed for taking-up axial pressure [2013‑01]
Collapse
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]
Collapse
B61F 15/20
.
Details [2013‑01]
Collapse
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]
Collapse
Lubrication specially adapted for axle-boxes of rail vehicles (lubrication in general F16N) [2013‑01]
Collapse
B61F 17/02
.
with oil [2013‑01]
Collapse
B61F 17/04
. .
Lubrication by stationary devices [2013‑01]
Collapse
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]
Collapse
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]
Collapse
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]
Collapse
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]
Collapse
B61F 19/06
.
Nets, catchers, or the like for catching obstacles or removing them from the track (mailbag catchers B61K 1/02) [2013‑01]
Collapse
B61F 19/08
. .
of the drop-down type [2013‑01]
B61F 19/10
. . .
automatically operated by engagement with obstacle [2013‑01]
Subject matter not provided for in other groups of this subclass [2013‑01]
This page is owned by Office of Patent Classification.
Last Modified: 10/10/2013