Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1999-01-04
2000-12-12
Moore, Chris K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15314, 15352, A47L 538
Patent
active
061580805
ABSTRACT:
The present invention is directed to improvements in the operation and design of wall-mounted recessed vacuum cleaner systems. The invention advantageously incorporates an extremely compact motor design which enables the filtering debris receptacle to be arranged directly over the motor housing. The vacuum system of the instant invention is characterized by an upper containment compartment and a lower evacuation compartment. The containment compartment houses an air filtering and residue collecting receptacle, e.g. a vacuum bag assembly, which may incorporate HEPA filtration characteristics.
REFERENCES:
patent: 1887600 (1932-11-01), Replogle
patent: 3023447 (1962-03-01), Senne
patent: 3213480 (1965-10-01), Miller
patent: 3422482 (1969-01-01), Hamrick
patent: 3568239 (1971-03-01), Hamrick
patent: 3704482 (1972-12-01), Brannon
patent: 3706184 (1972-12-01), Tucker
patent: 3714765 (1973-02-01), Simonelli
patent: 3783472 (1974-01-01), Mol
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