The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 05, 2011
Filed:
Jan. 22, 2008
Min-ha Kim, Gwangju, KR;
Jang-keun OH, Gwangju, KR;
Min-Ha Kim, Gwangju, KR;
Jang-Keun Oh, Gwangju, KR;
Samsung Gwangju Electronics Co., Ltd., Gwangju, KR;
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.