Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1986-03-26
1987-04-21
Moore, Chris K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15339, A47L 700
Patent
active
046584641
ABSTRACT:
An apparatus for spraying a shampoo solution through a shampoo solution supply conduit to a nozzle as the nozzle is moved over an area of upholstery, carpet and the like while dirty shampoo solution is drawn back through the nozzle to a vacuum tank by vacuum suction. A mechanism is provided to apply the vacuum suction to the shampoo solution supply conduit at the end of the cleaning operation to effectively clear the shampoo solution supply conduit and nozzle of the shampoo solution.
REFERENCES:
patent: 3815169 (1974-06-01), Mooring
patent: 4153968 (1979-05-01), Perkins
patent: 4159544 (1979-07-01), Knight et al.
patent: 4194262 (1980-03-01), Finley et al.
patent: 4202072 (1980-05-01), Gonzales
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