Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1995-03-31
1996-01-23
Moore, Chris K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15322, 15346, 15398, A47L 514
Patent
active
054856515
ABSTRACT:
A vacuum cleaning system utilizing a small-mouthed nozzle on a vacuum hose member, such nozzle having an air outlet member disposed therein for the directing of a high-pressure air stream out of said nozzle at selected times onto the surface to be cleaned while vacuuming is occurring through said nozzle. Shampoo fluid can optionally be delivered to the surface to be cleaned with such high-pressure air stream.
REFERENCES:
patent: 2055577 (1936-09-01), Huff
patent: 3161900 (1964-12-01), Hornschuch et al.
patent: 3268942 (1966-08-01), Rossnan
patent: 3484890 (1969-12-01), Case
patent: 3678534 (1972-07-01), Hilbig
patent: 3940826 (1976-03-01), Phillips et al.
patent: 4083077 (1978-04-01), Knight et al.
patent: 4488330 (1984-12-01), Grave
Moore Chris K.
Nitkin William
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