Air reflux assembly of the vacuum cleaner

Details Air reflux assembly of the vacuum cleaner Air reflux assembly of the vacuum cleaner

2004-08-23

2008-10-21

Redding, David A (Department: 3723)

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

C015S352000

Reexamination Certificate

active

07437798

ABSTRACT:
An air reflux assembly for a conventional or a automatic cleaner comprising an outer shell, an inner shell, a rotating disc, a rotating disc seat and plurality of return air ducts. The inner shell is positioned in the lower part of the inner chamber of the outer shell and does not contact the inner wall of the outer shell; the rotating disc seat is connected to the upper portion of the inner shell, the lower part of the rotating disc is placed in the rotating disc seat, three groups of windows are arranged in the upper, middle and lower portion of the rotating disc, another three groups of windows which correspond to the three groups of windows of the rotating disc are arranged in the upper, middle and lower portion of the rotating disc seat; air inlets and air outlets are arranged in the rotating disc seat and the two ends of the return air ducts are respectively connected to the air inlets and air outlets. The cleaner of the present invention is of high suction and easy to remove the trash collected by the cleaner.

REFERENCES:
patent: 6345411 (2002-02-01), Kato et al.
patent: 6484354 (2002-11-01), Lee
patent: 6684451 (2004-02-01), Kato et al.
patent: 1562584 (2005-01-01), None
patent: 2001-161606 (2001-06-01), None
patent: 2001-169973 (2001-06-01), None
patent: 2001-340268 (2001-12-01), None
patent: 2002-165733 (2002-06-01), None
patent: WO 01/30228 (2001-05-01), None
patent: 2004/080664 (2004-09-01), None

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