Patent ID: 7114355
Filing Date: 2006-10-03
Classification: D06F,H02K,Y10T

Abstract:
1. A washing machine, comprising: a tub installed in a cabinet; a metal bearing housing mounted in a central portion of a rear wall of the tub, wherein the bearing housing has a cylindrical aperture passing therethrough, and wherein front and rear steps are formed on the cylindrical aperture, the front and rear steps being configured to receive and support bearings; front and rear bearings installed in the front and rear steps of the bearing housing; a drum rotatably installed in the tub and having a spider formed on a rear wall of the drum; a shaft, wherein a first end of the shaft is attached to the spider of the drum such that a driving force can be transmitted from the shaft to the drum, wherein the shaft includes front and rear steps configured to receive bearings, and wherein the shaft passes through the bearing housing and is mounted on the front and rear bearings such that the front and rear bearings abut the front and rear steps on the shaft; a brass bushing mounted on the shaft between the spider and the front bearing; a connector coupled to a rear end of the shaft; a rotor coupled to the connector such that the connector and the shaft rotate with the rotor, wherein the rotor comprises one of steel and steel alloy plate, and wherein the rotor further comprises: