Method of making a carbon commutator

Details Method of making a carbon commutator Method of making a carbon commutator

1995-10-25

1999-07-13

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

310237, H01R 4306

Patent

active

RE0362484

ABSTRACT:
A method of making a carbon commutator is provided. The method includes the steps of providing a planar substrate having a series of current-carrying regions; providing a carbon base having a brush-contacting surface and a second opposite surface; substantially covering the second surface of the carbon base with a conductive plating to form an unslotted commutator body; applying a conductive bonding layer to the conductive plating; bonding the unslotted commutator body to the substrate; and cutting corresponding slots in the commutator body to form a series of commutator segments.

REFERENCES:
patent: 1811180 (1931-06-01), Landers
patent: 2645733 (1953-07-01), Marsal
patent: 3538365 (1970-11-01), Reisnecker
patent: 4283841 (1981-08-01), Kamiyama
patent: 4349384 (1982-09-01), Weinert
patent: 4358319 (1982-11-01), Yoshida et al.
patent: 4396358 (1983-08-01), de Concini
patent: 4399383 (1983-08-01), Kamiyama
patent: 4851728 (1989-07-01), Duege et al.
patent: 5157299 (1992-10-01), Gerlach

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