Collecting chamber for a vacuum cleaner

Details Collecting chamber for a vacuum cleaner Collecting chamber for a vacuum cleaner

2006-03-28

2006-03-28

Hopkins, Robert A. (Department: 1724)

Gas separation

Residue access, handling or removing means

Separable collection container

C055S443000, C055S459100, C055SDIG030

Reexamination Certificate

active

07018439

ABSTRACT:
A bagless vacuum cleaner includes a separating unit for separating dirt and dust from a dirt-laden airflow which is drawn in by the cleaner. The separating unit has a chamber with a collection area for collecting dirt and dust which is separated from the airflow. A base of the separating unit is movable between a closed position and an open position. The base is released by a trigger and a linking mechanism. A seal fits against the base and, in use, wipes a portion of the surface against which it seals as the base moves towards the closed position.

REFERENCES:
patent: 1979873 (1934-11-01), Engstrom
patent: 4826515 (1989-05-01), Dyson
patent: 5090976 (1992-02-01), Dyson
patent: 5160356 (1992-11-01), Dyson
patent: 6406505 (2002-06-01), Oh et al.
patent: 0 042 723 (1981-12-01), None
patent: 0 557 096 (1993-08-01), None
patent: 0 728 435 (1996-08-01), None
patent: 1 023 864 (2000-08-01), None
patent: 98/10691 (1998-03-01), None
Opposition Argument of Hoover Ltd, Mid Glamorgan, GB.

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