US Patent 7077421 Table saw cart

A table saw cart including a carrier, a foldable frame, and a pair of wheels; a stretcher between wheels; a connection rod between the stretcher and rear legs of the foldable frame. The wheels are raised above the floor by the stretcher to prevent displacement of cart while the machine thereon is operating. Two extension rods extend from the open end of carrier to secure the cart with the wheels. Both rear legs define a handle; and a pull rod and three locking pins control the elevation of the cart to secure the cart in either of a folded positioned or a raised, standing position.