Gas separation – Flexible or collapsible bag type – Housing closure secures bag
Patent
1990-01-03
1991-10-22
Woo, Jay H.
Gas separation
Flexible or collapsible bag type
Housing closure secures bag
15347, 55378, 55472, B01D 4600, A47L 900
Patent
active
050592238
ABSTRACT:
A vacuum cleaner for simplified dirt disposal is described, having a dirt collector with a cover, a motor and turbine disposed on the cover and a filter below the turbine extending into the dirt collector, where the foil bag is removed from the dirt collector after the cover has been removed. It is intended to simplify to a considerable degree dirt disposal as far as cleaning of the dirt collector as well as changing of the filter is concerned. This is attained in that the dirt collector is covered on the top by at least one filter support plate inserted into the dirt collector, fasteners for the foil bag to be inserted into the dirt collector being disposed on the circumference of the filter support plate and, furthermore, in that the filter support plate has an annular opening, through which the upper portion of the filter extends and is sealingly maintained on the motor housing of the dirt collector.
REFERENCES:
patent: 2703152 (1955-03-01), Petersen
patent: 3204392 (1965-09-01), Schwab
patent: 3354620 (1967-11-01), Scholl et al.
patent: 3443366 (1969-05-01), Schwab
patent: 3568412 (1971-03-01), Schwab
patent: 4072483 (1978-02-01), Doyle, Jr.
patent: 4591368 (1986-05-01), MacDuff
patent: 4713858 (1987-12-01), Kelber
patent: 4894881 (1990-01-01), Palmer et al.
Bushey C. Scott
Woo Jay H.
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