Washer attachement for suction cleaner

Details Washer attachement for suction cleaner Washer attachement for suction cleaner

A - Human Necessities

47

L

15/42.1

A47L 11/03 (2006.01) A47L 9/02 (2006.01) A47L 11/30 (2006.01) A47L 11/34 (2006.01)

Patent

CA 2006172

WASHER ATTACHMENT FOR A SUCTION CLEANER ABSTRACT OF THE DISCLOSURE An attachment for the intake hose of a suc- tion cleaner for dispensing liquid to the surface to be suctioned, near the intake to the suction nozzle. A liquid supply tank is supported near the suction noz- zle. A valve dispenses the liquid. In one embodiment, a surface engaging brush or roller communicates with the valve. When the surface engaging element engages the surface, it opens the valve to dispense liquid from the tank to a liquid dispensing bar. A second embodi- ment uses a float valve which normally closes the com- munication between the inlet to the valve and the out- let from the valve to the dispenser bar. An additional conduit communicates with the nozzle to supply suction to the float valve, and when the suction inlet to the suction nozzle is partially obstructed, e.g. against the surface being suctioned, this increases the vacuum above the suction nozzle. The suction communicates through the additional conduit to the float valve to open the communication from the valve inlet to the dis- penser bar. A third embodiment uses a pinch valve. When the valve is open, liquid flows downward over shelves in a progressively wider pattern until the liq- uid reaches the surface to be cleaned. The valve is normally opened when the irrigator rests on the surface to be cleaned, However, the pinch valve can be locked in a closed position by a slide switch.

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