Vacuum cleaning appliances

Details Vacuum cleaning appliances Vacuum cleaning appliances

1980-04-15

1983-02-15

Moore, Chris K.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

15346, 15352, 15353, 55345, 55429, 55449, 55459R, A47L 916

Patent

active

043732283

ABSTRACT:
The invention relates to vacuum cleaning appliances.
The appliance of the invention includes a cyclone unit which is operable to extract dust and other dirt from the air flow therethrough and to deposit the extracted dust and other dirt in a chamber outside the cyclone and separate from the air flow through the casing of the appliance. The extracted dirt is removed from the appliance by separation of the cyclone unit from the casing.
The appliance is convertible to act both as an upright type cleaner or a cylinder type cleaner.

REFERENCES:
patent: 1220641 (1917-03-01), Kent
patent: 1664092 (1928-03-01), Squires
patent: 1759947 (1930-05-01), Lee
patent: 2071975 (1937-02-01), Holm-Hansen et al.
patent: 2300266 (1942-10-01), Smellie
patent: 2824335 (1958-02-01), Moffat
patent: 2867833 (1959-01-01), Duff
patent: 3308609 (1967-03-01), McCulloch et al.
patent: 3425192 (1969-02-01), Davis
patent: 3484890 (1969-12-01), Case
patent: 3520589 (1950-08-01), White

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