A - Human Necessities – 47 – L
Patent
A - Human Necessities
47
L
A47L 7/00 (2006.01) A47L 9/02 (2006.01) A47L 11/30 (2006.01) A47L 11/34 (2006.01) A47L 11/40 (2006.01) B08B 3/02 (2006.01) B08B 3/08 (2006.01) B08B 9/02 (2006.01) E03C 1/304 (2006.01)
Patent
CA 2242793
A particular multi-functional cleaning machine, in accordance with the principles of the invention, includes a water-tank and a liquid delivery line extending from the water tank to a high-pressure spray gun. The liquid delivery line has an inner end, a pump, and an outer end, with the inner end connected to the water tank, and the outer end connected to the high-pressure spray gun. The machine also has a cleaning-liquid draw line which is connected to the liquid delivery line using a cleaning-liquid injector. Because the machine has a separate cleaning-liquid draw line, an operator is able to choose from among any of a number of different cleaning liquids stowed in containers on the machine, and to draw a particular liquid through the draw line, into the liquid delivery line, where it may be combined with water from the water tank and subsequently sprayed onto a surface to be cleaned. The machine also incorporates a vac tank, a vacuum connected to the vac tank, and a vac-hose assembly, thereby enabling a user to vacuum spent cleaning solution and soil into the vac tank. Other aspects of the invention include a grout cleaning tool, a plunger gun, a liquid transport device, and a method of cleaning a soiled surface.
Kaivac Inc.
Macrae & Co.
LandOfFree
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