US Patent 7021436 Adjustable foot for luggage case with wheels

The invention is directed to an article of upright rolling luggage including a luggage case having a bottom wall, a top wall opposed from the bottom wall, and a rear wall extending between a rear edge of the bottom wall and a rear edge of the top wall. The invention also includes one or more wheels rotatably mounted to a portion of the luggage case substantially at the rear edge of the bottom wall. One or more bases extend from the bottom wall and having at least one portion spaced apart from the wheel. One or more feet are movably mounted to the base where the foot is movable from a first position substantially adjacent to the bottom wall to a second position extending away from the bottom wall.