Dust compressing apparatus of vacuum cleaner

Details Dust compressing apparatus of vacuum cleaner Dust compressing apparatus of vacuum cleaner

2007-10-05

2009-11-03

Smith, Duane (Department: 1797)

Gas separation

Residue access, handling or removing means

With movable or manipulable means controlling escape of residue

C055S429000, C055S466000, C015S352000, C015S353000

Reexamination Certificate

active

07611558

ABSTRACT:
A dust compressing apparatus of a vacuum cleaner capable of automatically compressing dust or dirt collected in a dust separating unit is disclosed. The dust compressing apparatus includes a compressing plate to compress the dust or dirt collected in the dust separating unit, a moving unit connected to the compressing plate on one side of the dust separating unit to move the compressing plate, an elastic unit to elastically urge the compressing plate to a compressing position where the compressing plate compresses the dust or dirt, and a driving motor to drive the moving unit thus to move the compressing plate.

REFERENCES:
patent: 7171725 (2007-02-01), Sjoberg et al.
patent: 2006/0123750 (2006-06-01), Lee et al.
patent: 2008/0264014 (2008-10-01), Oh et al.
patent: 1020060031442 (2006-04-01), None
patent: 1020060098765 (2006-09-01), None
patent: WO 02/054928 (2002-07-01), None

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