Vacuum cleaner configuration

Details Vacuum cleaner configuration Vacuum cleaner configuration

1998-10-05

2000-09-12

Moore, Chris K.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

15412, A47L 910

Patent

active

061158801

ABSTRACT:
A floor cleaner comprising a base and a filter bag housing, the filter bag housing having a bag cavity which has an undulated inner wall for receiving a filter bag, the undulated wall having a plurality of elongated protrusions and adjacent intermediate elongated air flow recesses. A smooth outer wall is spaced from the inner wall.

REFERENCES:
patent: 2033833 (1936-03-01), Kent
patent: 2210953 (1940-08-01), Replogle
patent: 2269482 (1942-01-01), Replogle
patent: 3126570 (1964-03-01), Green
patent: 3344460 (1967-10-01), Nordeen
patent: 3491519 (1970-01-01), Ettridge
patent: 3634905 (1972-01-01), Boyd
patent: 4512057 (1985-04-01), Laing et al.
patent: 4517705 (1985-05-01), Hug
patent: 4724574 (1988-02-01), Bowerman et al.
patent: 4959885 (1990-10-01), Sovis et al.

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