B61F - CPC Classification

• B61F1/00 » Underframes 20
• B61F11/00 » Rail vehicles characterised by rail-engaging elements other than wheels, e.g. balls 5
• B61F13/00 » Rail vehicles characterised by wheel arrangements, not otherwise provided for 32
• B61F15/00 » Axle-boxes 7
• B61F17/00 » Lubrication specially adapted for axle-boxes of rail vehicles 0
• B61F19/00 » Wheel guards; Bumpers; Obstruction removers or the like 10
• B61F3/00 » Types of bogies 17
• B61F5/00 » 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 18
• B61F7/00 » Rail vehicles equipped for use on tracks of different width 13
• B61F9/005 » {by use of non-mechanical means, e.g. acoustic or electromagnetic devices} 21
• B61F99/00 » Subject matter not provided for in other groups of this subclass 28