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Vacuum cleaner with improved suction inlet

  • US 5,699,586 A
  • Filed: 01/11/1996
  • Issued: 12/23/1997
  • Est. Priority Date: 01/11/1996
  • Status: Expired due to Term
First Claim
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1. A vacuum cleaner comprising:

  • a housing having a suction inlet at its bottom;

    a motor with an impeller located in the housing;

    a rotatable brush mounted to the housing in front of the suction inlet in a pocket in the bottom of the housing, the pocket being separated from the suction inlet by a wall of the housing such that suction inlet has a relatively small area at the bottom of the housing;

    said suction inlet extending upward from the bottom of the housing substantially entirely perpendicular to the bottom of the housing between an entrance to the suction inlet and an exit aperture in a wall at the top of the suction inlet;

    said suction inlet having an upper section with a generally uniform shape and a lower section with a non-uniform shape; and

    said lower section has straight front and rear wall sections in which two of the rear wall sections uniformly taper towards the front wall section as they approach lateral ends of the suction inlet, and two straight top wall sections that uniformly taper downwardly from the upper section as they extend towards the lateral ends of the suction inlet.

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