Patent ID: 6874646

Claim:
A depth-extendable display track unit comprising at least two essentially identical longitudinally-extending standard depth display tracks for forming a single depth-extended display track from one of said two standard depth display tracks and at least one section of the other of said two standard depth display tracks in longitudinal alignment with said one standard depth display track, each of said essentially identical standard depth display tracks comprising: (A) a front section; (B) a breakaway back section with rear engagement means at the rear thereof for clipless engagement with forward engagement means; and (C) an interconnected series of breakaway intermediate sections connecting said front and back sections; said intermediate and back sections defining at the front of each such section forward engagement means for clipless engagement with said rear engagement means at the rear of said back section of said one standard depth display track for extending the depth of said one standard depth display track, said forward engagement means being exposed for engagement by breaking away of the immediately forward section.