Patent ID: 7874039
Filing Date: 2011-01-25
Classification: A47L,Y10S

Abstract:
1. A dust collector having a dust bag-expanding function comprising: a machine frame having a closed chamber at one side of the bottom thereof and a hollow platform in the middle portion thereof, wherein said closed chamber has several through-holes; said platform has a bottom opening at one side thereof, and the vertical wall of said platform has an air inlet pipe interconnecting said bottom opening; a suction blower arranged inside said closed chamber, wherein said suction blower includes a vertical motor, and the top of said motor is coupled to a fan, and said motor drives said fan to rotate; a dust tank having an upper opening interconnecting said bottom opening of said platform; a hollow filter tank arranged above said platform and having a filter thereinside, wherein the bottom of said filter tank interconnects the interior of said platform, and an air outlet is arranged at the vertical wall near the top of said filter tank, and said air outlet is positioned above said filter; an air suction pipe connected to said air outlet at one end thereof and connected to said closed chamber at the other end thereof; and a hose connected to the wall of said dust tank at on end thereof and connected to said air suction pipe at the other end thereof.