Patent ID: 7861375

Claim:
A hinge assembly comprising: a first hinge half having a first top surface and at least a first knuckle having a bottom surface located above the first top surface; a second hinge half having a second top surface and at least a second knuckle having a bottom surface located above the second top surface; a spring comprising: a coil body, a first spring arm extending from a point on the coil body above the first top surface and below the bottom surface of the first knuckle toward the first top surface and having a first distal end portion, a second spring arm extending from a point on the coil body above the second top surface and below the bottom surface of the second knuckle toward the second top surface and having a second distal end portion, and a pin located in the first knuckle and the second knuckle and passing through the coil body of the spring joining the first hinge half and the second hinge half.