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Dust suction head for electric vacuum cleaner

  • US 6,122,798 A
  • Filed: 08/27/1998
  • Issued: 09/26/2000
  • Est. Priority Date: 08/29/1997
  • Status: Expired due to Fees
First Claim
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1. A dust suction head for use in an electric vacuum cleaner, comprising:

  • a body having in the bottom thereof an air suction port;

    a brush chamber formed in said body;

    a freely rotatable rotational brush mounted on a shaft within said brush chamber and having a multiplicity of flexible blades mounted on said shaft along the length of said shaft; and

    an opening formed in an upper portion of said body for taking in fresh air and guiding the fresh air to said blades so as to assist rotation of said rotational brush.

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