Adjustable Cover Assembly

摘要

A pit cover assembly having a base and a plurality of surfaces is provided. The base includes a hole disposed therethrough and has first and second surfaces. The plurality of surfaces extend from the first surface of the base, are spaced apart from each other, and are configured to engage a pit wall. Each of these surfaces is located on the first surface of the base a radial distance from the hole. At least one of the surfaces is radially adjustable with respect to the hole.