Drum commutator and method for producing the same

Details Drum commutator and method for producing the same Drum commutator and method for producing the same

2005-01-18

2005-01-18

Mullins, Burton (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C029S597000

Reexamination Certificate

active

06844654

ABSTRACT:
The invention relates to a drum commutator comprising a cylinder-shaped support base (1) produced from an insulating pressed material, a plurality of metal conductor segments (3) with terminal lugs (8) disposed thereon and an equal amount of carbon segments (4) that are electrically connected to the conductor segments (3). The drum commutator, adjacent to the terminal lugs (8), further comprises an annular, closed substantially regularly cylindrical surface (19) with alternating pressed material zones and metal zones, as well as a metallized inner surface of the carbon segments (4) that communicates with the support base (1). When producing such a drum commutator, the conductor segments (3) are preferably first connected to a conductor blank via bridge portions which are removed once the conductor blank has been assembled with a carbon cylinder and the support base has been injection-molded onto it.

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