Cleaner head for a vacuum cleaner

Abstract

A cleaner head for a vacuum cleaner. The cleaner head has a housing defining a suction chamber comprising an outlet. The housing has a first side on which a first agitator element is mounted for rotation, and a second side on which a second agitator element is mounted for rotation. The one or both of the agitator elements have a shape which tapers from one end of the agitator element to the other.

1 . A cleaner head for a vacuum cleaner, the cleaner head comprising:
 a housing defining a suction chamber comprising an outlet, wherein the housing comprises a first side and a second side;   a first agitator element being mounted for rotation about a first axis; and   a second agitator element being mounted for rotation about a second axis,   wherein the first agitator element comprises a first end and a second end, and has a shape which tapers towards the first end in a direction along the first axis of rotation, and   wherein the first agitator element is located at the first side of the housing, and the second agitator element is located at the second side of the housing.   
     
     
         2 . The cleaner head according to  claim 1 , wherein the second agitator element comprises a first end and a second end, and has a shape which tapers towards the first end in a direction along the second axis of rotation. 
     
     
         3 . The cleaner head according to  claim 1 , wherein the first and second agitator elements are configured to rotate in opposite directions relative to one another in use. 
     
     
         4 . The cleaner head according to  claim 1 , comprising a third agitator element being mounted for rotation about a third axis, wherein:
 the first end of the first agitator element comprises a free end;   the third agitator element comprises a first, free end and a second end, and has a shape which tapers towards its first end in a direction along the third axis of rotation;   the first and third agitator elements are cantilevered from opposing sides of a first hub portion of the cleaner head at their respective second ends; and   wherein the first and third agitator elements are located at the first side of the housing.   
     
     
         5 . The cleaner head according to  claim 1 , comprising a fourth agitator element being mounted for rotation about a fourth axis, wherein:
 the first end of the second agitator element respectively comprises a free end;   the fourth agitator element comprises a first, free end and a second end, and has a shape which tapers towards its first end in a direction along the fourth axis of rotation;   the second and fourth agitator elements are cantilevered from opposing sides of a second hub portion of the cleaner head at their respective second ends; and   wherein the second and fourth agitator elements are located at the second side of the housing.   
     
     
         6 . The cleaner head according to  claim 1 , comprising a motor for rotating the first or second agitator element in use, wherein the motor is located at least partially within the first or the second agitator element. 
     
     
         7 . The cleaner head according to  claim 6 , wherein the first or second agitator element is configured to rotate about the motor in use. 
     
     
         8 . The cleaner head according to  claim 6 , comprising a transmission system configured to transmit drive from the motor to the first and second agitator elements in use. 
     
     
         9 . The cleaner head according to  claim 6 , comprising a further motor, wherein the motor is located at least partially within the first agitator element and wherein the further motor is located at least partially within the second agitator element. 
     
     
         10 . The cleaner head according to  claim 1 , wherein the housing comprises a cover element configured to cover an upper surface portion of one or more of the agitator elements. 
     
     
         11 . The cleaner head according to  claim 1 , wherein one or more of the agitator elements comprise a fabric covering. 
     
     
         12 . The cleaner head according to  claim 1 , wherein one or more of the agitator elements comprises bristles located on an outermost surface of the agitator element. 
     
     
         13 . A vacuum cleaner comprising a cleaner head as claimed in  claim 1 .