A - Human Necessities – 47 – L
Patent
A - Human Necessities
47
L
15/75, 15/70.1
A47L 7/00 (2006.01) A47L 11/34 (2006.01)
Patent
CA 1087814
ABSTRACT OF THE INVENTION A low-cost accessory for a conventional tank-type wet- pickup vacuum cleaner which converts such a vacuum cleaner into a self-contained hot water extraction type of carpet shamponer and floor cleaner suitable for use by homeowners. The accessory includes a reservoir which attaches compactly to the vacuum cleaner. The reservoir is intended to be filled with a cleaning solution of hot water and detergent and includes means for feeding the cleaning so1ution to a spray nozzle located behind the vacuum pickup nozzle. A hand-controlled valve permits the operator to dispense cleaning solution and to interrupt the flow of solution while vacuuming the wetted floor or carpet. In a pre- ferred embodiment the reservoir is a pressurizable toroidal-shaped tank which fits around the vacuum cleaner. The reservoir is pressurized by an integral manual air pump. An indicating pressure relief valve provides a measure of air pressure and prevents over pressurization of the reservoir. The air pressure forces cleaning solution to the spray nozzle. In a modified embodiment, a motor driven pump assembly is employed to deliver detergent fluid to tne point of use thus, eliminating the need for pressurization of the reservoir. -1-
315124
Hurwitz Mathew
Macrae & Co.
LandOfFree
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