US Patent 7122765 Electric oven

A self-supporting removable box-like liner for use in an electric oven that has a heating element supported in a plane and extending across a cooking chamber from one said side wall to the other. The liner has an open the front, a pair of liner side walls and a back wall, and an elongate aperture extending across the back wall and continuing along each liner side wall toward the front to pass over and receive the heating element such that the liner can be inserted into the chamber for use and completely removed for cleaning, without removal of the heating element from the oven.