US 7,581,283 B2
Nozzle assembly having UV generation unit and vacuum cleaner having the same
Dong-hun Yoo, Gwangju (Korea, Republic of); and Jang-keun Oh, Gwangju (Korea, Republic of)
Assigned to Samsung Gwangju Electronics Co., Ltd., Gwangju (Korea, Republic of)
Filed on Mar. 18, 2008, as Appl. No. 12/77,227.
Claims priority of application No. 10-2007-0121719 (KR), filed on Nov. 27, 2007.
Prior Publication US 2009/0133214 A1, May 28, 2009
Int. Cl. A47L 9/28 (2006.01)
U.S. Cl. 15—319  [15/324; 15/339; 15/246.3] 12 Claims
OG exemplary drawing
 
1. A nozzle assembly, comprising:
a nozzle main body that moves over a cleaning surface;
a drum brush unit that is formed on the nozzle main body and comprises an extension unit;
an ultraviolet (UV) generation unit that is formed on the drum brush unit to be folded or unfolded so that the UV generation unit selectively faces the cleaning surface; and
a switch that turns the UV generation unit on or off according to whether the UV generation unit is folded or unfolded.