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Vacuum cleaners

  • US 4,355,436 A
  • Filed: 01/19/1981
  • Issued: 10/26/1982
  • Est. Priority Date: 01/19/1981
  • Status: Expired due to Fees
First Claim
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1. In a vacuum cleaner characterized by a revolvable brush roll horizontally supported in the nozzle area within the side walls of a housing, the combination of a brush roll with a free end, an aperture in the side wall of the housing adjacent the said free end in axial alignment with it, a stub shaft, at least a portion of a disk brush incorporating at least a portion of the rim section and its circumference bristles and a portion of the hub section, and a bumper guard with a gap therein affixed to the aforesaid exterior side wall of the housing, the gap adjacent the aperture;

  • the disk brush portion positioned within the gap in the bumper guard rigidly affixed at the hub section to an end of the stub shaft and the balance of the stub shaft loosely penetrating the aperture in the housing side wall in rigid axial engagement with the brush roll end, the rim bristles capable of making contact with a floor surface, and the hard, unyielding parts of the disk brush portion confined within the aforesaid gap;

    the disk brush portion thereby revolvable with the brush roll and the room wall protected against abrasion as the bumper guard is run along a wall-floor edge.

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