US Patent 9625175 Curb adapter

Provided is a curb adapter, comprising a first wall along a first direction of extension; a second wall along a second direction of extension that is different from the first direction of extension; and a corner support mechanism coupled at a corner that includes an edge of the first wall and an edge of the second wall. The corner support mechanism includes at least one fastener coupled to the edge of the first wall and at least one fastener coupled to the edge of the second wall.