Patent ID: 8689515

Claim:
A hinge assembly for a frame structure, the frame structure including a first elongated frame member having a surface with a slot extending therein and a second elongated frame member having a surface with a slot extending therein, the hinge assembly comprising: a first generally flat plate having a generally flat inner face, a generally flat outer face and a bolt-receiving bore therethrough, the bolt-receiving bore extending between the generally flat inner face and the generally flat outer face along a bore axis at an acute angle to the generally flat outer face; a second generally flat plate pivotably connected to the first plate, the second plate having a generally flat inner face, a generally flat outer face and a bolt-receiving bore therethrough, the bolt-receiving bore extending between the generally flat inner face and the generally flat outer face along a bore axis at an acute angle to the generally flat outer face; a first bolt extendable through the bolt-receiving bore in the first plate; a second bolt extendable through the bolt-receiving bore in the second plate; a first nut receivable in the slot in the first elongated frame member and including a bolt-receiving bore therein, the bolt-receiving bore adapted for receiving the first bolt in a mating relationship; and a second nut receivable in the slot in the second elongated frame member and including a bolt-receiving bore therein, the bolt-receiving bore adapted for receiving the second bolt in a mating relationship.