Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1985-01-22
1986-08-19
Moore, Chris K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15374, 15401, 15420, A47L 1130
Patent
active
046060928
ABSTRACT:
The disclosed spray-vacuum tool has a partitioned housing with two adjacent open faces, and defines adjacent liquid and vacuum chambers each open to both open housing faces. A pair of squeegees project beyond the open housing faces from opposite housing sides paralleling the partition, and each squeegee is angled across a sharp angle corresponding to the corner angle. A pair of end guides also project beyond the open housing faces from the other interconnecting housing sides, and the squeegee ends are butted flush against the end guides. Each end guide has a flat edge to be fitted flush against one of the respective surfaces to be cleaned, and the squeegees then are flexed then against the surfaces to be cleaned. This communicates the chambers together in the region adjacent the surfaces to be cleaned, but isolates this region from the tool exterior. Nozzle means in the liquid chamber spray washing and/or rinsing liquid directly against the surfaces to be cleaned; and a source of vacuum is connected, via a hollow wand swiveled at one end to the housing, to the vacuum chamber operable to draw away the liquid spray and dirt kicked up by the spray. A brush also having the angled corner shape is supported in the liquid chamber immediately adjacent the squeegee.
REFERENCES:
patent: 3538535 (1970-11-01), Ginsburgh et al.
patent: 3896521 (1975-07-01), Parise
patent: 4161802 (1979-07-01), Knight et al.
Lind Charles F.
Moore Chris K.
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