Dual filter assembly for a vacuum cleaner

Details Dual filter assembly for a vacuum cleaner Dual filter assembly for a vacuum cleaner

1998-08-31

2000-08-29

Simmons, David A.

Gas separation

With means securing or retaining separating media

553851, 55472, 55476, 55498, 55506, 55DIG3, B01D 2708

Patent

active

061102482

ABSTRACT:
A dual filter assembly for a vacuum cleaner includes an annular inner filter mountable on a filter cage of the vacuum cleaner. The inner filter has a lower end and a retaining ring is attached to the lower end. An annular outer filter is removably mounted surrounding the inner filter, with a lower end of the outer filter supported by the retaining ring.

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Eurpoean Search for Application No. EP 99 40 2129 dated Feb. 25, 2000.

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