Patent ID: 7418764

Claim:
A mode control arrangement for a floor care appliance, comprising: a suction nozzle for cleaning a surface, said suction nozzle being capable of being moved from a first position in highest relation to a surface to be cleaned to a second position in closest relation to the surface to be cleaned or one or more positions somewhere in between said first and second positions; a rotary mode control member having a first and second position representing the height of said suction nozzle, wherein said first position represents said first position of said suction nozzle and the second position represents said second position of said suction nozzle and said rotary mode control member could include one or more positions between said first and second positions wherein said one or more positions represent a position of said suction nozzle located in between said first and second positions of said suction nozzle; a suction nozzle height adjustment motor electronically controlled by said rotary mode control member; a rotary agitator; a rotary power source; a belt for transmitting rotary power from said rotary power source to said rotary agitator; an idler arm capable of being moved from a first position to a second position, a belt tensioner located on said idler arm wherein said belt tensioner tensions said drive belt when said idler arm is moved into said first position and de-tensions said drive belt when said idler arm is moved into said second position; wherein a projection on said suction nozzle height adjustment motor engages said idler arm to move said idler arm between said first and second positions when said rotary mode control member is moved to one of said first and second positions or to one of said one or more positions between said first and second positions.