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Upright vacuum cleaner with cyclonic airflow

  • US 7,131,165 B2
  • Filed: 09/10/2004
  • Issued: 11/07/2006
  • Est. Priority Date: 01/09/1998
  • Status: Expired due to Fees
First Claim
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1. An upright vacuum cleaner comprising:

  • a first housing member comprising a dirt separation chamber adapted for separating entrained dirt and dust from an airstream;

    a second housing member defining a main suction opening, said second housing member being pivotally mounted to said first housing member;

    a first conduit for fluidically connecting said main suction opening to an inlet of said dirt separation chamber;

    an airstream suction source, mounted to one of said first and second housing members, positioned downstream from said separation chamber and in communication therewith, said airstream suction source being located beneath said dirt separation chamber;

    a dust cup removably mounted to said first housing member, said dust cup being impervious to-airflow and comprising at least a part of said dirt separation chamber; and

    ,a first filter located adjacent an outlet end of said dirt separation chamber, said first filter being mounted to said dust cup and removable with said dust cup from said first housing member when said dust cup is emptied.

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