Method of making a planar carbon segment commutator

Details Method of making a planar carbon segment commutator Method of making a planar carbon segment commutator

1994-08-03

1995-08-22

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

310237, H01R 4308

Patent

active

054428491

ABSTRACT:
A planar carbon segment commutator has contact members, with terminals, attached to the front surface of an insulating base member by means of overmoulded carbon segments formed integral with anchor pieces disposed within apertures in the base member. Each aperture has a second part disposed rearwardly of a first part having a smaller cross-section than the second part and the anchor piece disposed within the aperture has a locking portion which fills the second part of the aperture to thereby resist withdrawal of the anchor piece from the aperture. The contact members are embedded in the carbon segments and have holes filled with carbon segment material to increase interlocking between the contact members and the segments.

REFERENCES:
patent: 5157299 (1992-10-01), Gerlach

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