Receptacle with corner lock

Claim 1

A receptacle formed from a unitary blank of sheet material, said receptacle having a receptacle interior and comprising: a substantially rectangular main panel; a first pair of opposed side panels affixed to said main panel along fold lines and extending outwardly therefrom; a second pair of opposed side panels affixed to said main panel along fold lines and extending outwardly therefrom, said side panels of said first and second pairs of side panels forming four corners and each of said side panels having panel ends located at two of said four corners; and connector flaps attached to panel ends of side panels at said four corners, each connector flap extending outside of, parallel to, and in engagement with an adjacent side panel forming a corner with the side panel to which the connector flap is attached, each adjacent side panel having a slit formed therein defining a tab, and each connector flap having a first flap portion and a second flap portion, said first and second flap portions separated by a line of cut and movable relative to each other, each first flap portion being positioned in a slit behind a tab and having a bearing surface in engagement with an adjacent side panel to resist movement of the connector flap relative to the engaged adjacent side panel, each tab being hingedly connected to its respective adjacent side panel along a substantially straight hinge line extending from and at an angle to said main panel, and said substantially straight hinge lines terminating at spaced ends thereof at said slits.