Patent ID: 8863360

Claim:
A lockable hinge assembly comprising: a first hinge member, the first hinge member comprising an outer convex surface; a second hinge member hingedly attached to the first hinge member; and a locking member provided at an attachment of the first hinge member and the second hinge member, the locking member being capable of sliding axially between a locked position and an unlocked position between the first and second hinge members, wherein in the unlocked position, the locking member is in contact with at least one of the first and second hinge members; wherein in the locked position, the locking member restricts a relative movement of the first hinge member and second hinge members, and wherein in the unlocked position, the first hinge member can move relative to the second hinge member; wherein the locking member comprises a curved panel, the curved panel providing an inner concave surface and an outer convex surface, wherein the inner concave surface of the curved panel contours against the outer convex surface on the first hinge member; and wherein at least a portion of one of the first and second hinge members is partially enclosed within the other of the first and second hinge members.