Patent ID: 7117557
Filing Date: 2006-10-10
Classification: A47L,B01D,B04C,Y10S

Abstract:
1. An upright vacuum cleaner comprising: an upright housing section including a handle; a nozzle base section hingedly interconnected with the upright housing section, said nozzle base section including a main suction opening formed in an underside thereof; a cyclonic airflow chamber defined in said upright housing section for separating dust and dirt from a suction airstream, said cyclonic airflow chamber including an air inlet and air outlet; a suction source located in one of said upright housing section and said nozzle base section and having a suction airflow inlet in fluid communication with said cyclonic chamber outlet and a suction airflow outlet; a filter assembly located between said cyclonic airflow chamber and said suction source for filtering residual dust and dirt from a suction airstream as it flows through said cyclonic airflow dust and dirt separating chamber; and, a dirt cup mounted to one of said upright housing section and said nozzle base section, said cyclonic airflow chamber being at least partially defined in said dirt cup, wherein said dirt cup comprises a selectively detachable end wall and wherein said filter assembly is supported by said dirt cup.