Patent ID: 8661943

Claim:
A four-speed drive system for household appliances comprising: a first drive outlet and a second drive-outlet, each drive-outlet configured to be driven at a different speeds in a same rotational direction; a motor and a motor shaft installed in a support bracket, wherein the support bracket is mounted in a base of a household appliance; a first one-way bearing installed at a middle section of the motor shaft; a second one-way bearing installed at an upper end section of the motor shaft; a drive-shaft mounted in the second one-way bearing, the first drive outlet mounted at an upper end of the drive-shaft; a third one-way bearing installed at a middle section of the drive-shaft; a drive gear installed on the third one-way bearing; and wherein the first one-way bearing is installed with a first gear which is connected with and drives a first gear down system; a second gear is mounted on a lower end of the drive-shaft which drives a second gear down system; the second drive-outlet is mounted on a top of a third gear which is installed with a fourth bearing, and the second gear down system simultaneously drives the third gear and the second drive-outlet.