Leonard Earl Sharp

US Patent:

46584641, Apr 21, 1987

Filed:

Mar 26, 1986

Appl. No.:

6/844302

Inventors:

Leonard E. Sharp - Jonesboro AR

International Classification:

A47L 700

US Classification:

15321

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.