EP 0081828 A3 19840321 - CARBON BRUSH FOR ELECTRICAL MACHINES
Title (en)
CARBON BRUSH FOR ELECTRICAL MACHINES
Publication
Application
Priority
DE 3148996 A 19811210
Abstract (en)
[origin: EP0081828A2] 1. A carbon brush (1) for electrical machines, with a contact surface which in cross-section has a hollowed profile with flanks (4, 5) inclined towards the centre plane for contact with a commutator or similar slip ring with a nominal radius (R2), characterised in that the two flanks (4, 5) of the profile extend without curvature or with lesser curvature (R1) than the nominal radius (R2) tangentially to a circle of nominal radius (R2).
IPC 1-7
IPC 8 full level
H01R 39/26 (2006.01)
CPC (source: EP)
H01R 39/26 (2013.01)
Citation (search report)
- [A] FR 2437710 A1 19800425 - LORRAINE CARBONE
- [A] FR 1174253 A 19590309
Designated contracting state (EPC)
AT DE FR GB IT
DOCDB simple family (publication)
EP 0081828 A2 19830622; EP 0081828 A3 19840321; EP 0081828 B1 19860402; AT E18963 T1 19860415; DE 3148996 A1 19830623; DE 3270312 D1 19860507
DOCDB simple family (application)
EP 82111465 A 19821210; AT 82111465 T 19821210; DE 3148996 A 19811210; DE 3270312 T 19821210