CPC Subgroup
H01R 39/02 Details
Full Title
Rotary current collectors, distributors or interrupters > Details
15 direct subcodes
Child Classifications
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- H01R 39/04 Commutators (wherein the segments are formed by extensions of dynamo-electric machine winding H02K)
- H01R 39/08 Slip-rings
- H01R 39/14 Fastenings of commutators or slip-rings to shafts
- H01R 39/18 Contacts for co-operation with commutator or slip-ring, e.g. contact brush
- H01R 39/32 Connections of conductor to commutator segment
- H01R 39/34 Connections of conductor to slip-ring
- H01R 39/36 Connections of cable or wire to brush
- H01R 39/38 Brush holders
- H01R 39/42 Devices for lifting brushes
- H01R 39/44 Devices for shifting brushes
- H01R 39/46 Auxiliary means for improving current transfer, or for reducing or preventing sparking or arcing
- H01R 39/56 Devices for lubricating or polishing slip-rings or commutators during operation of the collector
- H01R 39/58 Means structurally associated with the current collector for indicating condition thereof, e.g. for indicating brush wear
- H01R 39/59 Means structurally associated with the brushes for interrupting current (H01R39/58 takes precedence)