Patent 8251431 was granted and assigned to Suzuki Motor Corporation on August, 2012 by the United States Patent and Trademark Office.
An opening and closing device for an automobile trunk lid is capable of producing an optimum pop-up amount by mounting an elastic spring, which is used to hold a trunk lid in a popped-up state in cooperation with torsion bars when the trunk lid is unlocked, in a link mechanism part that transmits the torsional torque of the torsion bars to the hinge arm of the trunk lid.