Extractor including sonic agitator

1. A carpet extractor head comprising at least one sonic agitator and at least one mechanical agitator, the at least one mechanical agitator comprising a rotatable brush roller and a sonic agitator that vibrates the rotatable brush roller.

2. The carpet extractor head of claim 1 wherein the at least one sonic agitator comprises a first sonic agitator and a second sonic agitator, the first sonic agitator being disposed at one side of the at least one mechanical agitator and the second agitator being disposed at another side of the at least one mechanical agitator.

3. The carpet extractor head of claim 1 , further comprising a housing that houses the at lease one sonic agitator.

4. The carpet extractor head of claim 1 , wherein the at least one sonic agitator comprises a speaker.

5. The carpet extractor head of claim 1 , wherein the at least one sonic agitator comprises:

an agitating portion; and

an ultrasonic actuating member that rotates and vibrates the agitating portion.

6. The carpet extractor head of claim 5 , wherein the agitating portion is a brush head.

7. The carpet extractor head of claim 5 , wherein the ultrasonic actuating member comprises an ultrasonic transducer.

8. The carpet extractor head of claim 1 , further comprising a manifold that delivers cleaning liquid to a surface to be cleaned.

9. A carpet extractor comprising the carpet extractor head of claim 1 .

10. A carpet extractor comprising:

a cleaning liquid delivery system that delivers cleaning liquid to a surface to be cleaned;

a cleaning liquid recovery system that recovers dirty cleaning liquid and removes loosened dirt particles from the surface to be cleaned; and

a carpet extractor head comprising at least one sonic agitator and at least one mechanical agitator, the at least one mechanical agitator comprising a rotatable brush roller and a sonic agitator that vibrates the rotatable brush roller.

11. The carpet extractor of claim 10 , wherein the cleaning liquid delivery system comprises:

a cleaning liquid supply tank;

a manifold disposed in the carpet extractor head that distributes cleaning liquid to the surface to be cleaned; and

a pump that delivers cleaning liquid from the cleaning liquid supply tank to the manifold.

12. The carpet extractor head of claim 10 , wherein the cleaning liquid recovery system comprises:

a dirty liquid recovery tank disposed in the carpet extractor head; and

a recovery nozzle in the carpet extractor head that delivers dirty liquid and dirt particles to the dirty liquid recovery tank.

13. The carpet extractor of claim 10 , wherein the at least one sonic agitator comprises a first sonic agitator and a second sonic agitator, the first sonic agitator being disposed at one side of the at least one mechanical agitator and the second agitator being disposed at another side of the at least one mechanical agitator.

14. The carpet extractor of claim 10 , wherein the at least one sonic agitator comprises a speaker.

15. The carpet extractor of claim 10 , wherein the at least one sonic agitator comprises:

an agitating portion; and

an ultrasonic actuating member that rotates and vibrates the agitating portion.

16. The carpet extractor of claim 15 , wherein the agitating portion is a brush head.

17. The carpet extractor of claim 15 , wherein the ultrasonic actuating member comprises an ultrasonic transducer.