Cyclonic vacuum cleaner

Details Cyclonic vacuum cleaner Cyclonic vacuum cleaner

2006-07-04

2006-07-04

Hopkins, Robert A. (Department: 1724)

Gas separation

Residue access, handling or removing means

Separable collection container

C055S447000, C055SDIG030, C015S350000, C015S353000

Reexamination Certificate

active

07070639

ABSTRACT:
A cyclonic vacuum cleaner with simple structure, low airflow leakage, excellent maintainability, and less possibility of littering a floor in the case of dumping dusts or care of the cleaner. A cyclonic portion14of an approximately cylindrical shape, having a bottom, an introducing portion15for introducing dust-laden airflow to the cyclonic portion14,and a reinforcing rib35provided on a lowermost end of the dust-collecting portion11for allowing it to stand on end, are formed into a one-piece structure. Thus, the structure from the introducing portion15to the cyclonic portion14can be simplified and the possibility of airflow leakage can be reduced. Also, maintenance of the cyclonic portion14and the introducing portion15can be easily performed through the detachment of the dust-collecting portion11together with the introducing portion15.Further, a floor is less likely to be littered with dusts collected within the cyclonic portion14by allowing the dust-collecting portion11to stand on end with the help of the reinforcing rib35.

REFERENCES:
patent: 6141826 (2000-11-01), Conrad et al.
patent: 2061469 (1996-11-01), None
patent: 0 827 710 (1998-03-01), None
patent: 2 373 996 (2002-10-01), None
patent: 06-054778 (1994-03-01), None
patent: 2001-104223 (2001-04-01), None

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