US Patent 9642457 Adjustable frame for hanging folders

A hanging file folder frame is disclosed in several embodiments one of which is constructed of three segments. Two frames are joined together by rails. The frame includes a slot of a particular profile and the rails have a similar profile to slide into the slots. On the bottom of the frame are recesses sized to receive a portion of a wireframe leg. The leg is prevented from being ejected from the frame by a spanning flange which bridges part of the recess and confines a part of the leg between the recess walls and the flange.