Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Reexamination Certificate
2011-07-05
2011-07-05
Nguyen, Dung Van (Department: 3723)
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
C015S354000, C015S361000, C015S319000
Reexamination Certificate
active
07971315
ABSTRACT:
A suction brush for a vacuum cleaner includes an upper casing, a lower casing coupled to the upper casing and provided with a suction port through which contaminants are drawn in from a surface to be cleaned, a lift plate disposed between the upper casing and the lower casing to move up and down with respect to the lower casing, a lift plate driving part to allow the lift plate to move up and down, and a lift control unit to control the lift plate driving part so that when the surface to be cleaned changes from a hard floor to a carpet, the lift plate is raised, and when the surface to be cleaned changes from the carpet to the hard floor, the lift plate is lowered.
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Extended European Search Report for corresponding European Patent Application No. 08010872.3 dated May 31, 2010.
Kim Min-Ha
Oh Jang-Keun
Nguyen Dung Van
Ohlandt Greeley Ruggiero & Perle LLP
Samsung Gwangju Electronics Co. Ltd.
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