Patent ID: 8365359

Claim:
A hinge device for opening and closing a second member relative to a first member, comprising: a first mounting member that is adapted to be mounted on the first member and that has an axis part; a second mounting member that is adapted to be mounted on the second member and that has an axis part; a first pulley that is fixed to said axis part of the first mounting member; a second pulley that is fixed to said axis part of the second mounting member; a looping member that runs between the first pulley and the second pulley; a connecting member that is connected to said axis part of the first mounting member to be rotatable relative to said first mounting member and is connected to said axis part of the second mounting member to be rotatable relative to said second mounting member; and an abutting part that abuts to an outside of the looping member in such a manner that a width between one side of the looping member and an opposite side thereof becomes smaller than a diameter of at least one of the first pulley and the second pulley.