Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Reexamination Certificate
2008-01-29
2008-01-29
Redding, David (Department: 1744)
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
C015S328000, C015S353000
Reexamination Certificate
active
07322071
ABSTRACT:
A complex type cleaner comprises: a body; a suction head arranged at a lower side of the body, for sucking dust at the time of performing a vacuum cleaning and sucking dirty water at the time of performing a water cleaning; a suction fan for generating a suction force so that dust and dirty water can be sucked into the suction head; a reservoir detachably mounted at the body and storing dust or dirty water; and a valve assembly for converting a cleaning mode into a vacuum cleaning mode or a water cleaning mode by selectively opening and closing passages connected among the suction head, the reservoir, and the suction fan. A vacuum cleaning function for sucking dust and a water cleaning function are implemented at one cleaner, thereby reducing the cost and facilitating the usage and the storage.
REFERENCES:
patent: 6243912 (2001-06-01), Grey
Chung Choon-Myun
Lee Yong-woo
Nam Hyeun-Sik
Rew Ho-seon
Birch & Stewart Kolasch & Birch, LLP
LG Electronics Inc.
Redding David
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