Version: 2024.08
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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) [2018-08] WARNING
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B61F 1/00 |
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 |
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 5/02 | . | Arrangements permitting limited transverse relative movements between vehicle underframe or bolster and bogie; Connections between underframes and bogies [2013-01] |
B61F 5/04 | . . |
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] |