Arrangement of filter bags in electric vacuum cleaners

Details Arrangement of filter bags in electric vacuum cleaners Arrangement of filter bags in electric vacuum cleaners

1988-04-28

1989-12-05

Woo, Jay H.

Gas separation

Flexible or collapsible bag type

Valved, self-closing, or apparatus contained bag closing means

15327D, 15352, 55373, 55374, 55378, 55381, 55473, A47L 914

Patent

active

048850136

ABSTRACT:
The present invention relates to an arrangement of filter bags in electric vacuum cleaners in which the filter bag has a bottom plate which has an insertion opening for a fan-side air-blast socket and at least one side-edge indentation (28) and is arranged as a transverse wall in a filter-bag chamber (6) which is adjacent a motor-fan housing (5) and can be lifted off from it. A second side-edge indentation is disposed opposite first side-edge identation and housing-side profections extend into both indentations and protrude beyond the lower side of the bottom plate.

REFERENCES:
patent: Re28201 (1974-10-01), Hughes
patent: 2070674 (1937-02-01), Muentener
patent: 2360155 (1944-10-01), Nuffer et al.
patent: 2833372 (1958-05-01), Lappin et al.
patent: 3559381 (1971-02-01), Fesco
patent: 3933451 (1976-01-01), Johansson
patent: 4155727 (1979-05-01), Kaulig
patent: 4452618 (1984-06-01), Kuplas
patent: 4670937 (1987-06-01), Sumerau et al.
patent: 4724574 (1988-02-01), Bowerman et al.

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