Brush roll of a vacuum cleaner

Abstract

A vacuum cleaner has a brush roll which has a housing. A motor is disposed within the housing and has a pulley mounted on a shaft of the motor. A roller is disposed within the housing and has a drive wheel. A belt couples the pulley to the drive wheel, so that the motor can drive the roller. The roller has bristles for sweeping a surface to be cleaned.

1 . A brush roll for a vacuum cleaner, comprising: a housing; a motor disposed within the housing and having a pulley mounted on a shaft of the motor; a roller disposed within the housing and having a drive wheel; and a belt coupling the pulley to the drive wheel. 
     
     
         2 . The brush roll of  claim 1 , wherein a plurality of bristles are arranged on the roller. 
     
     
         3 . The brush roll of  claim 2 , wherein the housing has a receiving chamber for accommodating the roller and a plurality of openings are formed in the housing communicating the receiving chamber with the outside. 
     
     
         4 . The brush roll of  claim 1 , wherein the belt has a plurality of inner teeth arranged on an inner surface thereof and the pulley and the drive wheel have a plurality of outer teeth arranged on an outer surface thereof for engaging with the inner teeth. 
     
     
         5 . The brush roll of  claim 1 , wherein the motor is a direct current motor. 
     
     
         6 . The brush roll of  claim 1 , wherein the motor is a high voltage direct current motor. 
     
     
         7 . A vacuum cleaner incorporating the bush roll of  claim 1 . 
     
     
         8 . A vacuum cleaner incorporating the brush roll of  claim 6 .