Patent ID: RE38949

Claim:
A vacuum cleaner comprising: a housing having a cyclonic airflow chamber for separating contaminants from a suction airstream, said housing including a floor, a top wall, a suction airstream inlet, and a suction airstream outlet, said airstream inlet and said airstream outlet being in fluid communication with said cyclonic airflow chamber; a suction opening defined on said housing, said suction opening being fluidically connected with said airstream inlet; an airstream suction source located on said housing, said suction source having an inlet fluidically connected to said airstream outlet and a suction source exhaust outlet, said suction source selectively establishing and maintaining a suction airstream from said suction opening to said suction source exhaust outlet; a main filter support upwardly from the floor of the housing for releasably accruing a main filter element centrally in said cyclonic airflow chamber; a main filter element secured to said main filter support; and, a dirt cap selectively positioned in said housing, said main filter element being positioned in said dirt cup.