Patent ID: 7146681

Claim:
A vacuum cleaner comprising: a housing including a cyclonic airflow chamber adapted for separating dust and dirt from an airstream, wherein a suction opening is in fluid communication with an inlet of said cyclonic airflow chamber; a handle for manipulating said housing over a surface to be cleaned; an airflow source located in said housing and having an airflow inlet in fluid communication with an outlet of said cyclonic airflow chamber and an airflow outlet; a main filter interposed between a downstream end of said cyclonic airflow chamber and a conduit leading to said airflow source for filtering dust and dirt from the airstream that passes through said cyclonic airflow chamber, wherein said main filter comprises a thermoplastic material, said main filter being selectively removeable from said housing; and, a dust cup mounted to said housing and defining at least a portion of said cyclonic airflow chamber for receiving and retaining dirt and dust separated from the airstream, said dust cup being selectively detachable from said housing for emptying.