Patent ID: 7435160

Claim:
An automated floor sander, comprising: a chassis; a sanding drum disposed laterally across said chassis; a sanding drum drive motor disposed with said chassis, selectively driving said sanding drum; a sanding belt tension roller disposed laterally across said chassis; an endless sanding belt disposed about said sanding drum and said tension roller; an articulated support and drive axle and wheel assembly disposed laterally across said chassis; a propulsion motor communicating mechanically with said support and drive axle and wheel assembly; a support and drive wheel axle and wheel assembly height adjustment mechanism disposed with said chassis, selectively adjusting the height of said support and drive axle and wheel assembly; an elongate handle extending from said chassis, said handle having a chassis attachment end and a distal operator control end opposite the chassis attachment end; an operator controlled, electronic propulsion motor speed control mechanism disposed within said handle, communicating with said propulsion motor; an automated, propulsion speed controlled, support and drive axle and wheel assembly lifting and lowering mechanism disposed with said chassis, and communicating electrically and mechanically with said support and drive axle and wheel assembly; and an automated sanding belt centering mechanism, supporting said tension roller.