A - Human Necessities – 47 – L
Patent
A - Human Necessities
47
L
15/75
A47L 11/283 (2006.01) A47L 11/30 (2006.01)
Patent
CA 2001516
ABSTRACT OF THE DISCLOSURE The present invention involves a machine which may be used in either a walk-behind mode or a manual "scrub and recover" mode. In the "walk-behind" mode, the machine operates like a conventional walk-behind floor scrubber. The cleaning solution is dispensed under gravity adjacent a rotary brush located at the base of the machine. The brush works the cleaning solution into the dirt and loosens grime on the floor, and a vacuum recovery system collects and stores the spent (i.e., dirty) solution in the machine so that the machine leaves the floor clean and substantially dry after a single pass. In the manual "scrub and recover" mode, the machine remains stationary (or is moved as needed) and acts essentially as a source of power, a source of cleaning fluid which is dispensed under pressure through a hand-operated wand, and a reservoir for recovering the spent solution. At the end of the wand, which includes a rigid suction tube, there is a convertible operating head which is moveable between two use positions. In one use position, the operating head includes a brush which works the cleaning solution into the dirt and grime on the floor by hand. After the dirt is loosened, the spent solution, including any debris loosened by the hand operation of the brush is collected through a vacuum squeegee and delivered through the rigid vacuum tube of the wand to the recovery tank in the machine.
Girman Richard L.
Gotsis Gust G.
Palmer Gary E.
Girman Richard L.
Gotsis Gust G.
Hako Minuteman Inc.
Osler Hoskin & Harcourt Llp
Palmer Gary E.
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