Patent ID: 7302221

Claim:
A duplex hinge device, comprising: a hinge body having a first end and a second end; a first mounting plate hinged to the first end; a second mounting plate hinged to the second end; a first pivot hinged to the first end of the hinge body and the first mounting plate; a first pin, which penetrates through a first hole of the first mounting plate and a first guide slot of the hinge body and is for guiding the binge body and the first mounting plate to rotate relative to each other; a second pivot hinged to the second end of the hinge body and the second mounting plate; and a second pin, which penetrates through a second hole of the second mounting plate and a second guide slot of the hinge body and is for guiding the hinge body and the second mounting plate to rotate relative to each other, wherein the first pin is located apart from the first pivot, and the second pin is located apart from the second pivot.