IPC Classification

Class code (prefix) Descriptions Number of results
  • All sections
  • B - Performing operationstransporting
  • B61F - Rail vehicle suspensions, e.g. underframes, bogies or arrangements of wheel axlesrail vehicles for use on tracks of different widthpreventing derailing of rail vehicleswheel guards, obstruction removers or the like for rail vehicles
B61F 1/00 Underframes
B61F 1/02 Underframes with a single central sill
B61F 1/04 Underframes of triangulated type
B61F 1/06 Underframes specially adapted for locomotives or motor-driven railcars
B61F 1/08 Underframes Details
B61F 1/10 End constructions
B61F 1/12 Cross bearers
B61F 1/14 Attaching or supporting vehicle body structure
B61F 3/00 Types of bogies
B61F 3/02 Types of bogies with more than one axle
B61F 3/04 Types of bogies with more than one axle with driven axles or wheels
B61F 3/06 Types of bogies with more than one axle with driven axles or wheels with three or more axles
B61F 3/08 Types of bogies with more than one axle without driven axles or wheels
B61F 3/10 Types of bogies with more than one axle without driven axles or wheels with three or more axles
B61F 3/12 Types of bogies specially modified for carrying adjacent vehicle bodies of articulated trains
B61F 3/14 Types of bogies specially modified for reducing air resistance
B61F 3/16 Types of bogies with a separate axle for each wheel
B61F 5/00 Constructional details of bogiesConnections between bogies and vehicle underframesArrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
B61F 5/02 Arrangements permitting limited transverse relative movements between vehicle underframe or bolster and bogieConnections between underframes and bogies
B61F 5/04 Bolster supports or mountings
B61F 5/06 Bolster supports or mountings incorporating metal springs
B61F 5/08 Bolster supports or mountings incorporating rubber springs
B61F 5/10 Bolster supports or mountings incorporating fluid springs
B61F 5/12 Bolster supports or mountings incorporating dampers
B61F 5/14 Side bearings
B61F 5/16 Centre bearings or other swivel connections between underframes and bolsters or bogies
B61F 5/18 King-bolts
B61F 5/20 Centre bearings or other swivel connections between underframes and bolsters or bogies with springs allowing transverse movements
B61F 5/22 Guiding of the vehicle underframes with respect to the bogies
B61F 5/24 Means for damping or minimising the canting, skewing, pitching, or plunging movements of the underframes
B61F 5/26 Mounting or securing axle-boxes in vehicle or bogie underframes
B61F 5/28 Axle-boxes integral with, or directly secured to, vehicle or bogie underframes
B61F 5/30 Axle-boxes mounted for movement under spring control in vehicle or bogie underframes
B61F 5/32 Guides, e.g. plates, for axle-boxes
B61F 5/34 Wedge mechanisms for adjusting clearance between underframes and axles
B61F 5/36 Arrangements for equalising or adjusting the load on wheels or springs, e.g. yokes
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
B61F 5/40 Bogies with side frames mounted for longitudinal relative movements
B61F 5/42 Adjustment controlled by buffer or coupling gear
B61F 5/44 Adjustment controlled by movements of vehicle body
B61F 5/46 Adjustment controlled by a sliding axle under the same vehicle underframe
B61F 5/48 Trailing or leading bogies for locomotives or motor-driven railcars
B61F 5/50 Other details
B61F 5/52 Bogie frames
B61F 7/00 Rail vehicles equipped for use on tracks of different width
B61F 9/00 Rail vehicles characterised by means for preventing derailing, e.g. by use of guide wheels
B61F 11/00 Rail vehicles characterised by rail-engaging elements other than wheels, e.g. balls
B61F 13/00 Rail vehicles characterised by wheel arrangements, not otherwise provided for
B61F 15/00 Axle-boxes
B61F 15/02 Axle-boxes with journal bearings
B61F 15/04 Axle-boxes with journal bearings for locomotives
B61F 15/06 Axle-boxes with journal bearings for cars
B61F 15/08 Axle-boxes with journal bearings the axle being slidable or tiltable in the bearings
B61F 15/10 Axle-boxes with journal bearings the axle being slidable or tiltable in the bearings and having springs opposing such movements
B61F 15/12 Axle-boxes with roller, needle, or ball bearings
B61F 15/14 Axle-boxes with roller, needle, or ball bearings constructed for taking-up axial pressure
B61F 15/16 Axle-boxes with roller, needle, or ball bearings the axle being slidable or tiltable in the bearings
B61F 15/18 Axle-boxes with roller, needle, or ball bearings the axle being slidable or tiltable in the bearings and having springs opposing such movements
B61F 15/20 Axle-boxes Details
B61F 15/22 Sealing means preventing entrance of dust or leakage of oil
B61F 15/24 Sealing means preventing entrance of dust or leakage of oil preventing oil leakage when vehicle is tilted or inverted
B61F 15/26 CoversSealing thereof
B61F 15/28 Axle-boxes modified to ensure electrical conductivity
B61F 17/00 Lubrication specially adapted for axle-boxes of rail vehicles
B61F 17/02 Lubrication specially adapted for axle-boxes of rail vehicles with oil
B61F 17/04 Lubrication by stationary devices
B61F 17/06 Lubrication by stationary devices by means of a wick or the like
B61F 17/08 Devices for pressing the wick or the like against the rotating axle
B61F 17/10 Lubrication by stationary devices by means of an oil bath
B61F 17/12 Lubrication by stationary devices by gravity
B61F 17/14 Rotating lubricating devices
B61F 17/16 Rotating lubricating devices with rings
B61F 17/18 Rotating lubricating devices with chains
B61F 17/20 Rotating lubricating devices with scoops or the like attached to, or coupled with, the axle
B61F 17/22 Rotating lubricating devices with discs, rollers, or belts engaging the axle
B61F 17/24 Lubrication specially adapted for axle-boxes of rail vehicles with oil by built-in lubricating pumps
B61F 17/26 Lubrication specially adapted for axle-boxes of rail vehicles with oil by external feeding means, e.g. pneumatic devices
B61F 17/28 Applications of oil cleaners not otherwise provided for
B61F 17/30 Lubrication specially adapted for axle-boxes of rail vehicles with grease
B61F 17/32 Lubrication specially adapted for axle-boxes of rail vehicles with grease by manually-operated lubricators, e.g. screw cups
B61F 17/34 Lubrication specially adapted for axle-boxes of rail vehicles with grease by automatic means, e.g. with spring action
B61F 17/36 Lubrication specially adapted for axle-boxes of rail vehicles with other, e.g. mixed, lubricating agents
B61F 19/00 Wheel guardsBumpersObstruction removers or the like
B61F 19/02 Wheel guards
B61F 19/04 Bumpers or like collision guards
B61F 19/06 Nets, catchers, or the like for catching obstacles or removing them from the track
B61F 19/08 Nets, catchers, or the like for catching obstacles or removing them from the track of the drop-down type
B61F 19/10 Nets, catchers, or the like for catching obstacles or removing them from the track of the drop-down type automatically operated by engagement with obstacle
B61F 99/00 Subject matter not provided for in other groups of this subclass