Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1992-04-03
1993-03-02
Coe, Philip R.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15339, 15410, A47L 700
Patent
active
051897555
ABSTRACT:
The specification discloses a wet vacuum/extractor including an add-on liquid dispensing system. A liquid supply tank removably mounts on the vacuum and couples with the vacuum exhaust for momentarily pressurizing the tank to prime the liquid dispensing system. A remote pump is included at the wand handle and is powered by low voltage current from the vacuum.
REFERENCES:
patent: 3072950 (1963-01-01), Duff
patent: 3262146 (1966-07-01), Hays
patent: 3343199 (1967-09-01), Nolte
patent: 3939515 (1976-02-01), Platek
patent: 4138760 (1979-02-01), Cadle
patent: 4210978 (1980-07-01), Johnson
patent: 4329756 (1982-05-01), Chicoine
patent: 4829624 (1989-05-01), Lackner
McDowell David E.
Yonkers Robert A.
Coe Philip R.
Till Terrence R.
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