Floor nozzle for vacuum cleaners

  • US 5,539,953 A
  • Filed: 05/17/1995
  • Issued: 07/30/1996
  • Est. Priority Date: 01/22/1992
  • Status: Expired due to Fees
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First Claim
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1. A floor nozzle for vacuum cleaners, comprising:

  • a housing;

    a pivot plate;

    a vertically adjustable brush strip supported on said pivot plate;

    a bottom plate;

    an intermediate strip for opening a nap to be cleaned;

    front and rear suction channels separated by said intermediate strip and arranged in said bottom plate and extending transversely to a direction along which the floor nozzle is to be pushed to effect any of a forward and backward movement, said front suction channel being defined by a front cleaning edge, said rear suction channel being defined by a rear cleaning edge, each of said front and rear cleaning edges being rounded for sliding across the nap during any of the forward and backward movement of the floor nozzle on the nap; and

    support means arranged on the housing for providing swivel support of a suction pipe, wherein the intermediate strip is arranged between said front and rear cleaning edges for opening the nap to be cleaned, said intermediate strip being configured as an elongated lip for penetrating into the nap, bending individual fibers of the nap over according to the direction of movement of the floor nozzle across the nap, and separating the nap in directions toward the front and rear suction channels depending on the direction of movement of the floor nozzle in one of a forward and backward direction as the front and rear cleaning edges slide across the nap.

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