US Patent 7553219 Louver sander

A representative louver sander includes: a housing containing a vibrator motor; and a sanding attachment having a staff and a sanding paddle, the staff being sized and shaped to be removably attached to the housing, the sanding paddle being located at a distal end of the staff such that when the staff is attached to the housing and the vibrator motor is operating, the sanding paddle is vibrated; the sanding paddle having first and second opposing sanding surfaces and a curved surface interconnecting the first and second surfaces; the first sanding surface extending outwardly from the curved surface to a length that is greater than a length that the second sanding surface extends from the curved surface.