Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1980-03-03
1981-07-21
Moore, Christopher K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15396, 15422, A47L 902
Patent
active
042790573
ABSTRACT:
Spots and stains are completely removed from wall-to-wall carpeting, upholstery fabric, and the like, by using a generally flat, hollow tool, which is inserted beneath the carpet or fabric without completely removing the latter from the floor or piece of furniture which it covers. The flat tool has a plurality of spaced perforations in its upper wall; and its interior is releasably connected by a tubular extension member to a vacuum supply which creates a localized vacuum immediately beneath the portion of the carpet that is to be cleaned. A liquid cleaning medium or solvent is then applied to the spot or stain which is located above the tool; and after it passes through the carpet or fabric it is drawn into the tool and through the extension member to the vacuum supply. The tool has a plane, perforated upper wall, and a compound lower wall, a first portion of which extends parallel to the upper wall to form a flat base for supporting the tool during use, and a second inclined portion of which extends upwardly toward the front of the tool so that the tool is tapered to ease its insertion beneath the carpet or upholstery fabric.
REFERENCES:
patent: 243098 (1881-06-01), Becker et al.
patent: 1322361 (1919-11-01), Sherman
patent: 2081597 (1937-05-01), Nowak
patent: 2193804 (1940-03-01), Dahlberg
patent: 2533263 (1950-12-01), Johnson
patent: 2643413 (1953-06-01), Buccasio
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