US Patent 7353564 Vacuum sweeper

An attachment for portable power and suction units, including a long control tube having a length to extend from a floor to adjacent shoulder height of a standing user and a vacuum head formed from a length of tube having a slot in one side and with the ends of the slot closed; and a flexible connection between the interior of the vacuum head and the interior of a control tube to be connected to a portable power and suction unit while allowing limited pivoting of the long control tube in the plane of the slot and normal to a bottom of the vacuum head.