04373228 is referenced by 176 patents and cites 12 patents.

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.

Title
Vacuum cleaning appliances
Application Number
6/140497
Publication Number
4373228
Application Date
April 15, 1980
Publication Date
February 15, 1983
Inventor
James Dyson
Sycamore House, Bathford, Bath, Avon, BA1 7RS
GB
Agent
Stevens Davis Miller & Mosher
IPC
A47L 9/16
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