Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Publication of BE446348ApublicationCriticalpatent/BE446348A/xx
H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
H01R39/00—Rotary current collectors, distributors or interrupters
H01R39/02—Details for dynamo electric machines
H01R39/022—Details for dynamo electric machines characterised by the materials used, e.g. ceramics
