초록 ▼

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 e

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.

대표청구항 ▼

[ What is claimed is:] [1.] A dual filter assembly for a vacuum cleaner comprising:an annular inner filter mountable on a filter cage of the vacuum cleaner, the inner filter having a lower end;a retaining ring attached to the lower end of the inner filter; andan annular outer filter having a lower e

[ What is claimed is:] [1.] A dual filter assembly for a vacuum cleaner comprising:an annular inner filter mountable on a filter cage of the vacuum cleaner, the inner filter having a lower end;a retaining ring attached to the lower end of the inner filter; andan annular outer filter having a lower end, the outer filter removably mounted surrounding the inner filter, the lower end of the outer filter supported by the retaining ring.