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Extractor with twin, counterrotating agitators

  • US 6,030,465 A
  • Filed: 12/17/1998
  • Issued: 02/29/2000
  • Est. Priority Date: 06/26/1996
  • Status: Expired due to Term
First Claim
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1. An extractor for cleaning carpet comprising:

  • a housing supported for movement relative to said carpet to be cleaned;

    a handle for manipulating and controlling said extractor;

    a cleaning liquid delivery system carried by said housing, said cleaning liquid delivery system including a cleaning liquid supply tank and first and second aligned agitators; and

    a cleaning liquid recovery system carried by said housing, said cleaning liquid recovery system including a recovery nozzle, a vacuum generator and a dirty cleaning liquid recovery tank;

    said extractor being characterized by;

    a manifold for receiving said cleaning liquid from said supply tank and directing said cleaning liquid into a nip defined between said first and second agitators; and

    a drive assembly for counterrotating said first and second agitators so that relative rotation of said first and second agitators in said nip is generally away from said manifold and toward said carpet to be cleaned whereby said cleaning fluid is propelled deep into said carpet to provide enhanced penetration and cleaning effect.

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