Patent ID: 6242839
Filing Date: 2001-06-05
Classification: H01R,H02K,Y10T

Abstract:
A commutator for a dynamoelectric machine comprising:a cylindrically arranged ring of linearly extending commutator bars, each of said bars comprising an outer layer having a tang extending therefrom and an inner layer having at least one anchoring lug extending therefrom;said bars extending substantially parallel to an axis of said commutator, being separated from other bars by axially extending slits, and being formed by:joining a first strip of metal having tangs extending laterally therefrom to a second strip of metal having anchoring tabs extending therefrom to form a composite strip;forming said composite strip into a cylindrical shell, with said first strip forming an outer layer of said shell and said second strip forming an inner layer of said shell; andslitting said shell to form said cylindrically arranged ring of commutator bars.