Bare floor cleaner with shut off valve

Details Bare floor cleaner with shut off valve Bare floor cleaner with shut off valve

2008-12-18

2010-06-01

Redding, David A (Department: 3723)

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

C015S322000, C015S327600, C015S350000, C015S411000, C015S416000

Reexamination Certificate

active

07725984

ABSTRACT:
A bare floor cleaner for wet and dry bare floor surfaces comprises a base with wet and dry suction nozzles and a handle pivotally connected to the base. A diverter mounted in the working air conduit between each of the dry suction nozzle and the wet suction nozzle to a recovery tank is movable by movement of the handle between a dry suction position and a wet suction position for selectively at least partially blocking working air flow from the wet suction nozzle and the dry suction nozzle, respectively, to the recovery tank. A shut-off valve is mounted in the recovery tank to prevent fluid communication between a suction source and the recovery tank when the amount of liquid in the recovery tank reaches a first predetermined amount with the handle forward and a second predetermined amount with the handle rearward.

REFERENCES:
patent: 5983442 (1999-11-01), Louis et al.

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