Patent ID: 6915947

Claim:
A paperboard or corrugated paper blank for forming a tray support for a tray, said tray and tray support forming an adjustable width paperboard or corrugated paper tray, said tray support paperboard or corrugated paper blank comprising a bottom wall, a rear wall, and opposing side walls integrally formed with each other and creating an open front, said tray support paperboard or corrugated paper blank comprising; an outer rear wall having first, second, third, and fourth edges, and an inner rear wall panel connected to said outer panel by a first score line along a first edge of said outer rear wall panel and forming said rear wall when said outer rear wall panel is folded over said inner rear wall panel about said first score line; an outer bottom panel having first and second opposed edges and an inner bottom panel connected to each other by a third score line along said one opposed edge and forming said bottom wall when said outer bottom panel is folded over said inner bottom panel about said third score line, said outer bottom panel being connected to said outer rear wall panel by a second score line along said second edge; each of said first and second opposed side walls comprising an inner side wall panel and an outer side wall panel, said inner side wall panel having an outer edge and being integrally formed with said outer bottom panel third and fourth edges respectively about a fourth score line; and each of said inner side wall panels of said opposed side walls being joined to a corresponding one of said outer side wall panels by a fifth score line such that when said inner side wall panel is folded over said outer side wall panel about said fifth score line, said inner side wall panel outer edge is positioned so as to point downwards toward said bottom wall; and spaced projections formed on said inner side wall panel outer edge, said spaced projections mating with corresponding spaced projections on said tray to form said self-contained locking mechanism for said adjustable width paperboard or corrugated paper tray.